Apparatus or processes for treating or working the shaped articles (B28B11)

B28B11                 Apparatus or processes for treating or working the shaped articles (specially adapted for tubular articles b28b0021920000; decoration or surface treatment in general b05, b44; compacting concrete in situ in connection with building e04g0021060000; drying f26)(1936)
ethod of manufacturing products under pressure from high-strength fibrous concrete // 2641363
FIELD: construction.SUBSTANCE: method of manufacturing products under pressure of high-strength fibrous concrete, by which reinforcement is installed (if necessary) and concrete mixture is laid in the mould cavity. Thereinafter, the mould is closed and pressure is created inside the mould by means of a press, whereby the concrete mixture is pressed out. After the concrete has gained strength, the product is released from excess pressure and removed from the mould. Wherein the concrete mixture is filled with metallic or non-metallic fibres before the concrete mixture is laid in the mould, whereby fibrous concrete is obtained. The concrete mixture laid in the mould is held therein at a pressure of not less than 2.5 MPa before gaining the stripping strength, but not less than for 240 minutes. The hardening concrete mixture is heated to a temperature of not more than 80°C due to feeding a coolant inside the mould cavity. Wherein the coolant temperature for heating up the products to be moulded should not exceed 95°C, and the temperature increase rate should not exceed 35°C per hour.EFFECT: improving the technical characteristics of products, reducing the reinforcement consumption, reducing the labour intensity and the work implementation time.4 dwg

achine for decoding by image transmitting method and image transmitting method // 2638192
FIELD: physics.SUBSTANCE: machine, in which the powdered material or granules is used, comprises a support surface movable in a predetermined direction and a decorating device operating above the said support surface. The said device has a movable transfer belt, which is a closed loop disposed between the drive rollers and performs the function of receiving the decor obtained by the powder material or granules and transferring it to the said support surface. The device comprises the first unit configured to form one such decor on the transfer belt, and the second unit adapted to carry the said decor from the transfer belt. Moving the transfer belt is provided in the specified direction of advance. The second unit comprises a lower section of the transfer belt, which has an outer side facing downwards to the said movable support surface. This section extends between the first abutment upstream and the second abutment downstream. An actuating means is provided that operates on the inside of the said section and is configured to rapidly move gas present in the immediate vicinity of the said section and transfer vibration to the said section by the said gas. The driving means is a gas jet disposed in a row transverse to the transfer surface of the said movable belt and configured to create a turbulent motion situation.EFFECT: improving the effectiveness of decoration.17 cl, 9 dwg

achine and method of manufacturing construction panel // 2637677
FIELD: construction.SUBSTANCE: machine for finishing construction panels comprises a conveyor line designed to receive incoming housing elements of construction panels and to transport the housing elements in the working direction (F) along the group of treatment stations (A, B, C, D) in the machine. Moreover, construction products are essentially made in the form of rectangular parallelepipeds having: a base, main, side and an opposite additional main side, each of which has a relatively large contoured area; and four edge sides having a relatively small contoured area. Wherein the first treatment station (A) from said treatmentstations comprises treatment means acting in the width direction, designed for introducing, by means of gluing, a first edge strip along the first edge side, from the four edge sides, so that the first edge strip is located parallel to the base, main, side. The second treatment station (B) from said treatment stations, comprises treatment means acting in the vertical direction, designed for introducing, by means of gluing, a basic surface layer covering the entire base, main, side and the base side of the first edge strip. Thereinafter, vertical pressure is applied to the housing element and the first edge strip in the direction transverse to the working direction (F), when the housing element and the first edge strip are passed through the second treatment station, so that the basic side of the first edge strip is aligned with base, main, side of the housing element when they are passed through the second treatment station (B).EFFECT: improving the panel finishing efficiency.19 cl, 6 dwg
Device for cutting off cured concrete product obtained by means of sliding formwork // 2636193
FIELD: construction.SUBSTANCE: device comprises a frame with wheels to move the device along the stand for casting and a saw for cutting concrete, connected to the frame with the ability to move. The device comprises a brush unit for cleaning the stand for casting. The brush unit is connected with the device frame with the possibility of adjustable movement in the vertical direction, to use the brush unit to clean the upper surface of a cast concrete product on the stand for casting.EFFECT: reducing the time required for changing the running process - from cutting to cleaning and converting the stand for casting, as well as for the stages of cleaning and conversion, eliminates the need in machine lifts at a manufacturing plant and, accordingly, the risk to personnel.7 cl, 1 dwg

ethod for manufacturing architectural decorative elements of glass-fiber reinforced concrete // 2629633
FIELD: construction.SUBSTANCE: method for manufacturing architectural decorative elements from glass-fiber reinforced concrete includes a workpiece manufacture, that repeats the architectural element. At the same time, initially manufacture a wooden box, for example, from the plywood, having a rectangular shape according to the dimensions of the manufactured architectural element. The workpiece is manufactured, for example, from the expanded polystyrene, on which the contour and the relief of the architectural element are cut in the mirror image, then it is put into the wooden box and filled with glass-fiber reinforced concrete. Then after the full cure of not more than 24 hours, the resulting architectural element is removed, separated from the expanded polystyrene and cleaned.EFFECT: reduction of the architectural and decorative elements manufacturing period.1 dwg

ethod of manufacturing frozen samples structurally comparable with explosed massif of roaches // 2629610
FIELD: mining engineering.SUBSTANCE: first, inclusions of cubic form are made in a special lattice tray, the compaction of roach is carried out by vibration, after which the inclusions are frozen to the temperature specified by the experiment. Then, tray with cells is dismantled, the inclusions are removed, they are incubated at room temperature for a while until condensate appears on the surface for better adhesion to binder, the inclusions are mixed with binder - occurrence solid, mixed inclusions with binder are placed in a specially manufactured detachable cylindrical shape (collet). Then, collet with solid is installed in the climatic chamber and frozen to the temperature, corresponding to the temperature of solid in massif, applied to different periods of year, and held in refrigerator until the temperature in the center of sample with the thermal sensor installed in it is equal to the set temperature.EFFECT: possibility of making samples that are structurally comparable to a blown up massif of roaches, allowing to determine on them the resistance to soil shear by the single-plane cut method.2 dwg

Plant for manufacturing drywall and method of manufacturing gypsum slab // 2624847
FIELD: construction.SUBSTANCE: plant for manufacturing drywall comprises at least one circulating device (10) in the form of a conveyor belt for obtaining a gypsum layer formed from the upper shell (27), the lower shell (28) and the single-layered or multilayer gypsum core (26) arranged therebetween, and for moulding and curing the gypsum layer (16). Wherein the device (10) in the form of a conveyor belt has a support belt (11) providing a support for the bottom side (17) of the gypsum layer (16). Wherein in the vicinity of the device (10) in the form of a conveyor belt, there is a device for ultrasonic impact with one or more ultrasonic radiators (15, 20, 22, 24). Wherein at least one lower ultrasonic radiator is arranged between the support belt (11) and the bottom side (17) of the gypsum layer (16), and the support belt in the vicinity of said ultrasonic radiator passes along the deflecting device (13).EFFECT: increasing the effectiveness of ultrasound application and its introduction into the gypsum layer.15 cl, 4 dwg

String tension device of machine for cutting raw material // 2623764
FIELD: construction.SUBSTANCE: string tension device of the machine for cutting raw material includes a feed drive for the raw material, an air cylinder, a string rigidly fixed with one end to one support of the machine, and with the other end - to the rod of the pneumatic cylinder, the housing of which is rigidly fixed to the other support of the machine. Wherein it additionally contains a pneumatic distributor with electromagnetic control, a strain gauge, a pressure sensor in the pneumatic cylinder, a selector generating a signal proportional to the string tension force, the first and the second comparison devices, a string tension force regulator, and an air pressure regulator in the pneumatic cylinder. Wherein the selector output is connected to the direct input of the first comparison device, the inverse input of which is connected to the strain gauge. The output signal of the first comparison device is supplied to the input of the string tension force regulator, the output signal of which is supplied to the direct input of the second comparison device, the inverse input of which is connected to the pressure sensor output in the pneumatic cylinder. The output signal of the second comparison device is supplied to the air pressure regulator inlet in the air cylinder. The output signal of the air pressure regulator in the pneumatic cylinder is supplied to the pneumatic cylinder input with electromagnetic control, the output of which is connected to the pneumatic cylinder input.EFFECT: increasing the service life of the string of the machine for cutting raw material and reducing the technological waste while manufacturing construction products.2 dwg

ethod of cutting raw material massive of cellular concrete // 2623763
FIELD: construction.SUBSTANCE: method of cutting a raw material massive of cellular concrete by means of feeding the raw material to a workplace equipped with a feed drive for a raw material massive, pneumocylinders and strings rigidly fixed with one end to the support of the machine for cutting raw material, and the other to a rod of a pneumatic cylinder. Wherein the automatic string tension control system is additionally connected, consisting of a strain gauge, pressure sensors for pneumatic cylinders, a selector generating a signal proportional to the string tension force, two comparating devices, a string tension force regulator, a regulator of air pressure in a pneumatic cylinder, a pulse width converter and a pneumatic distributor with electromagnetic control forming the control action on pneumatic cylinders. Wherein before the start of cutting the raw material massive, the matrix-column of permissible values of string tension forces is determined, conditioned by the mechanical properties of the strings, the cutting speed and the rheological properties of the raw material. The tension force of each string is measured, and a matrix-column of measured values is formed. The permissible value of the tension force for each string is compared with the measured values, the difference signal of which is supplied to the input of the string tension force regulator. The pressure in each pneumatic cylinder is then measured. The output signal of the string tension force regulator is compared with the changed value of the pressure in the pneumatic cylinder. The difference signal is supplied to the input of the air pressure regulator in the pneumatic cylinder. The output signal of the air pressure regulator in the pneumatic cylinder is supplied to the input of the pulse-width converter. The output pressure of the pulse-width converter is supplied to the pneumatic cylinder pulling the string with the required force.EFFECT: increasing the service life of the string of the machine for cutting raw material and reducing the technological waste while manufacturing construction products.2 dwg

achines for decoration, in particular for decoration of ceramics, and method of performing belt for decoration of the noted ceramics // 2619609
FIELD: mechanics.SUBSTANCE: machine contains a belt in the form of a closed loop for transferring the decor to the receiving surface of the ceramic product and conveyor rollers around which the belt is wound and moves while rotating. Moreover, at least one of the noted conveyor rollers comprises a central portion and two end portions opposite to each other. At least one of the noted end portions freely rotates with respect to the other of the noted portions. The belt comprises a central portion with a small thickness and defining respective side edges attached to the flat, co-operating belts stretched to the noted end portions. The distance (A) between the two axial lines of the noted flat belts is shorter than the distance (B) between the locations with the maximum diameters (D) at the noted opposite end portions. The manufacturing method of the belt includes stretching due to the elasticity of the flat belts so that the size of their circumferential length substantially corresponds to the circumferential length of the tubular film. The edges of the tubular film are joined to the edges of the flat belts during the noted stretching of the flat belts. The stretching of these flat belts is eliminated.EFFECT: increased efficiency of the decor transfer to the receiving surface and simplified manufacture of the belt.20 cl, 5 dwg

ethod for concrete and reinforced concrete products heat treatment // 2618003
FIELD: construction.SUBSTANCE: method for reinforced concrete products heat treatment includes pre-aging at an ambient temperature, temperature increase up to the setpoint and isothermal heating at this temperature, and cooling. At that, during isothermal heating, the heating temperature value is periodically changed in amplitude and duration, provided that the specified medium isothermal value is maintained. At that, the oscillation amplitude and the oscillation period are varied depending on the isothermal temperature tsp according to the given mathematical expressions.EFFECT: reduced energy consumption required to ensure the specified quality of concrete and reinforced concrete products and improved product quality without changes in the thermal processing technology.2 cl, 2 tbl, 4 dwg

Process line for moulding and drying ceramic bricks // 2617659
FIELD: construction.SUBSTANCE: process line for moulding and drying ceramic bricks contains the sequentially mounted belt press, polychord automatic cutting machine, automatic brick stacker, and drying oven. Between the polychord automatic cutting machine and the automatic stacker, the alternating magnetic field generator is installed, the lines of which are perpendicular to the compression vector.EFFECT: reduction of bricks irregular grain and uneven density; under the action of alternating magnetic field, molecular interaction occurs in the raw brick, resulting in ordering the material, which in turn increases the strength properties of brick.3 dwg
ethod for producing hollow landscape decorative items // 2616020
FIELD: construction.SUBSTANCE: method of manufacturing hollow decorative landscaping products in stages by means of forming a multilayer template by making a cast frame and the carcass of the simulated natural object. The mould is produced by applying at least 6 layers of silicone with a hardener onto the simulated object in the ratio of 1 kg per 30 g; each layer must be dried for at least 12 hours at the temperature of 18-25°C until the next layer is applied. After all layers are fully dry, the mould is carefully taken off the natural object. The carcass is made in accordance with the silicone mould from fiberglass by means of sequential application of several layers onto the simulated natural object, the first of which is a mixture of polyester resin and hardener in the ratio of 1 litre to 20 g. Then the second layer of the glass mat emulsion is immediately applied followed by a mixture of polyester resin and a hardener, taken in the same ratio as the first layer (1 litre to 20 g). The resulting carcass is dried at 18-25C° for at least 12 hours. After drying, the carcass is carefully removed from the simulated natural object, and the dried silicone mould is placed inside. The first layer of the composition of polyester resin, pigment, thickener and hardener is then applied to the inner surface; the ratio of components in the mixture depends on the size of the made hollow landscaping product . After that this layer is immediately coated on top with marble granite chips, with the minimum fraction of 0.63-0.2 mm. The resulting multilayer matrix is then placed in the drying chamber for drying, and dried at a temperature of 25-35°C for at least two hours. After the drying is complete, the second layer of the same composition is applied in the amount determined by dimensions of the manufactured product. The glass mat emulsion of at least 12 m in size is then added to the second layer, which is then impregnated by the third layer of the polyether resin mixed with the hardener in the ratio of 1 litre per 20 g. The article is then placed in the oven again to be dried at the temperature of 25-35°C for at least 1 hour. Then the final finishing layer of polyester resin is applied mixed with the hardener in the ratio of 1 litre per 20 g, to which the pigment is added in an amount determined by the dimensions of the manufactured article to obtain the consistency of paint. Then the product is placed in an oven to dry at a temperature of 25-35°C for 30 minutes. Full inspection of each layer of 0.01-0.02 mm thickness is then performed. The carcass is then carefully removed, and the silicone impression of the finished landscape product is taken out; all the excess, if any, is cleaned off, and the impregnation substance is applied onto the outer surface in accordance with the simulated natural object.EFFECT: improved quality, better similarity and a better decorative effect of landscape products, production standardization and cost reduction.8 cl, 14 dwg, 3 ex

ethod for manufacturing gypsum-based building slabs // 2611089
FIELD: construction.SUBSTANCE: present invention relates to methods for detecting air cavities in gypsum-based building slabs and to methods for manufacturing gypsum-based building slabs. The method comprises forming a gypsum-based slab with a preset shape. the surface of the gypsum-based building slab is cooled; it has been generated heat as a result of the reaction of calcined gypsum hydration, by flowing the cooling medium onto the surface. The temperature distribution on the surface of the gypsum-based building slab is detected after the named cooling. The temperature distribution pattern is formed, this temperature distribution has been obtained as a result of the named detection. The air cavity exceeding or equal to the specified size contained in the gypsum-based building slab is automatically detected by image processing using the temperature distribution pattern of the gypsum-based building slab surface obtained in the named pattern formation. The part of the gypsum-based building slab is identified which comprises an air cavity as defective one, and the part is automatically marked and discarded from the process system.EFFECT: improvement of efficiency of identification of air cavities.3 cl, 5 dwg

Steaming pit // 2609500
FIELD: construction.SUBSTANCE: steaming pit comprises, installed on a foundation, reference posts around a chamber, on which are suspended reinforced concrete beams with a hydroseal frame, on which are mounted slabs of a bearing reinforced concrete layer of wall enclosures, the lower part of which is arranged in a trench of the foundation which is filled with sand. The reinforced concrete beams are joined to each other and with slabs of the bearing reinforced concrete layer of wall enclosures by welding metal embedded parts The outer side of the slab of the bearing reinforced concrete layer is faced with a heat insulating material. Both sides are coated with a coating made of composite materials. The inner side is coated with a light-reflecting paint coat. The heat insulating coating and the coating of composite materials are glued to epoxy resin with an additive of light-reflecting elements.EFFECT: high wear-resistance of component parts of a steaming pit, as well as reduced consumption of heat energy during loading/unloading of reinforced concrete articles and heat treatment thereof.3 dwg
Improved method of bending of ceramic tiles // 2607488
FIELD: manufacturing technology; chemistry.SUBSTANCE: present invention relates to a method of bending ceramic tiles. Method includes steps of making grooves on lower surface of tiles, in region where tile is to be bent; filling grooves obtained on tile with filling material, compatible with material from which tile is made; coating grooves of with a flexible band of fireproof refractory material; attachment of band to surface of tile; placing tiles onto a substrate of a given shape; heating region tiles, which should be bent to softening temperature of said region; and cooling obtained modelled tile. Flexible band is a band of insulating paper based on mineral felt. After cooling, flexible band is removed.EFFECT: preventing sticking of filling material to substrate when bending.4 cl

Line for producing multilayer panels // 2607324
FIELD: construction.SUBSTANCE: invention relates to construction, namely to lines for producing multilayer panels to allow their proper package and reliable protection during transportation and storage. Line for producing multilayer panels comprises interconnected: an assembly to supply reels of lining to a deep shaping assembly, a filler laying assembly, a segments loading assembly, a pressing assembly, a panels cutting assembly, a pile of panels forming assembly and an assembly to pack a pile of panels with a polyethylene film. Herewith the said assemblies are interconnected with the possibility of shaping incoming linings, subsequent laying a filler between the shaped linings, cutting segments from the filler and further pressing the shaped linings together with the segments down to a required thickness, cutting the linings with the segments into separate panels, forming a pile of panels from individual panels and packing the pile of panels with a polyethylene film. Line is additionally equipped with a protective coating forming assembly located before the assembly to pack a pile of panels with a polyethylene film and including a mechanism to apply a protective coating onto the formed pile of panels along the length of the pile of panels in the direction of its movement along the line, made in the form of a shaft with a rolled protective material placed on it, and a mechanism for cutting the protective material.EFFECT: technical result is higher reliability of packing the formed pile of panels directly in the process of its production.3 cl, 2 dwg

Device for pressing to form cavity and method of cavities formation in gypsum board // 2607001
FIELD: manufacturing technology.SUBSTANCE: group of inventions relates to pressing device and method for forming recesses in plate. Device comprises pressing head having pressing surface, which is intended for contact with plate, and supporting element. At that, pressing head compresses plate section between pressing surface and supporting element for formation of cavity in plate. Pressing surface comprises sections of first and second surfaces, separated by textured area, which is intended for compression of plate in supporting element direction with smaller compression force in comparison with sections of first and second surfaces. Device also comprises drives to move pressing head and supporting element in first direction, which is, substantially, corresponds to plate movement direction, and in second direction, which is, substantially, perpendicular to plate plane, wherein pressing device speed in first direction, substantially, corresponds to plate speed.EFFECT: technical result is higher efficiency of pressing and formation of cavities in plate.15 cl, 9 dwg, 1 tbl

Front concrete products thermo humidity processing automatic control device // 2606522
FIELD: construction.SUBSTANCE: invention relates to production of construction materials. Front concrete products thermo humidity processing automatic control device includes thermo humidity processing chamber, air circulation device and moistening device, connected to control unit. Circulation device is made in form of pipeline with suction holes in chamber upper part and comprises axial fan for wet-hot air suction through holes, humid-warm air circulation valves and discharge into atmosphere valves, exhaust nozzle in chamber lower part and air humidity sensors. Moistening device includes high pressure steam humidifiers and free-flow steam humidifier, made with possibility of synchronization. Free-flow steam humidifier is arranged in thermo humidity processing chamber. Control unit is made with possibility of control signals automatic transmission to circulation and moistening devices, calculated taking into account of control over articles supply into chamber periodicity, moisture content of articles themselves and steam-air mixture temperature in articles thermo humidity processing chamber.EFFECT: enabling higher quality of concrete articles.3 cl, 2 dwg

Production line for production of wall plates from gypsum or gypsum concrete // 2604889
FIELD: construction.SUBSTANCE: invention relates to construction, in particular to a method of production of construction materials, mainly plates made from gypsum or gypsum concrete. Production line for making wall plates or blocks from gypsum or gypsum concrete comprises an assemble of dispensing components of the moulding mixture, a blending machine, a cassette moulding machine, a grip for a packet of moulded plates, a packing machine and a grip to install the formed cargo packet on a transport pallet. Herewith the process line is introduced with one device for drying plates or blocks from gypsum or gypsum concrete in the form of a press-grip for packets of plates, wherein the force of compressed air is used to press water out of the plates bringing their residual moisture content to less than 6-12 wt%, one conveyor for packets of moulded and dried plates, one grip for removal of packets of plates from the conveyor.EFFECT: technical result is increased efficiency due to establishing a continuous production line for production and reduced consumption of production areas, reduced operating costs.1 cl, 4 dwg

Device, system and method of compacted articles and pressed articles made by pressing with the help of these devices and methods // 2603146
FIELD: construction.SUBSTANCE: group of inventions is related to devices, system and methods of forming powder, in particular for formation of floor and wall ceramic tiles from composite materials containing ash dust. System for formation of compacted articles by pressing powder or granules includes supply Assembly for supply of powder or granules and no-cavity press. Unit for no-cavity press contains the bottom plate, the size of which substantially equals or exceeds it, molded articles arresting apparatus for isolating part of the powder or granules and top die. Besides, the system contains a conveyor for transfer of powder or granules and/or molded articles and a flexible grid under conveyor, fixed on the upper part of the lower plate.EFFECT: technical result is increasing of efficiency of pressing, higher quality, continuous process of making articles for increasing efficiency.42 cl, 7 dwg
ethod for production of heat carrier for heat and moisture treatment of concrete and reinforced concrete products // 2598667
FIELD: construction.SUBSTANCE: invention relates to production of concrete, concrete and reinforced concrete structures, namely, to methods involving impact on the process of concrete structure formation and concrete products properties and can be used in production of construction materials. Method for production of heat carrier for heat and moisture treatment (HMT) of concrete and reinforced concrete products involves fuel combustion, moistening of its combustion products with steam and feeding obtained heat carrier in steaming chamber for heat and moisture treatment of products. Wherein heat carrier production is performed in combustion chamber of boiler unit. Wherein water supply for steam generation is performed in combustion zone of furnace chamber. Wherein heat carrier temperature prior to feeding it into steaming chamber is maintained within range of 100-200 °C due to regulation of amount of water supplied to combustion zone of 2 to 60 l/min.EFFECT: technical result is increase of production quality and decrease of operating costs for HMT of products.1 cl, 1 ex

Process line for making water-resistant construction slabs // 2598391
FIELD: construction.SUBSTANCE: invention relates to construction. Process line for making water-resistant construction slabs, mostly boards based on gypsum, fine-grained expanded clay and structure forming gypsum modifier, includes arranged in process sequence, and interconnected with vehicles batcher, mixer of continuous or periodic action, assembly for preparation and portion supply of raw gypsum material, water, gypsum modifier, fine-grained expanded clay, and fibres. Besides, process line contains unit for generating carpet of product, for example in form of plate or building fabric, device for formation and compaction of formed products, drying and cutting unit for finished product. Device for formation and compaction of formed article is equipped therein with height-adjustable evener roller for mass. Before carpet generating assembly, bunch for supplying lower layer of glass fibre net, and open vessel for uniform impregnation of carpet with homogeneous composition are arranged. After carpet generating assembly, bunch for supplying upper layer of glass fibre net and bunch for supplying glass fibre canvas are installed in series, and also evener roll for uniform pressing them into carpet material mass. At that, along conveyor run, before drying unit, lifting cassette collector is installed.EFFECT: technical result is faster construction time, increased service life, and higher efficiency of operation.1 cl, 3 dwg

ethod of producing autoclave wall materials with composite protective-decorative coatings // 2597340
FIELD: technological processes.SUBSTANCE: invention relates to production of autoclave wall materials with composite protective-decorative coatings and can be used in manufacturing construction materials. Method of producing autoclave wall materials with composite protective-decorative coatings includes semi-dry pressing, autoclave treatment, sputtering of non-ferrous metals using a plasmatron. Prior to plasma sputtering, face surface of autoclave wall materials is coated with 20-40 % aqueous solution of liquid glass, and then plasma sputtering of glass granules pre-coated with fine powder of non-ferrous metals, at power of plasmatron operation of 6 kW and rate of passage of plasma burner on face surface of autoclave wall materials of 0.35 m/s.EFFECT: high strength of adhesion with base, shorter time for producing autoclave wall materials with composite protective-decorative coatings and reduced power consumption.1 cl, 3 tbl, 1 ex

Device and method for distribution of loose solid material // 2595708
FIELD: machine building.SUBSTANCE: invention relates to a device for distribution of loose solid material, for example in grain or powder form, and may be used for distribution of colour material over the surface of the product, for example, for obtaining decorative effect. Device (100) for distribution of loose solid material comprises multiple vibration elements (210) arranged in one plane installed side by side to support material (P) from the bottom. Each of vibration elements is connected to the piezoelectric device (220) configured to convert electric excitation signal in mechanical vibrations that may cause falling material (P) from vibration element (210). Device (100) comprises heaters (240) for heating the vibration elements (210) which are in contact with material (P). Heaters (240) contain at least one heating element configured to emit heat. Heating element stays in contact with vibration elements (210) directly or indirectly via structure (215) from conductive material supporting vibrating elements (210). Method of the device functioning includes a step of heating the plane of vibration elements (210) being in contact with material (P) by means of heating devices (240).EFFECT: technical result of the invention is possibility of uniform distribution of powder material over the surface, reduced production costs and simplified design.14 cl, 8 dwg

ethod of producing composite protective-decorative coatings on concrete articles // 2595024
FIELD: construction.SUBSTANCE: invention relates to producing composite protective-decorative coatings on concrete articles and can be used in manufacturing construction materials. Method of producing composite protective-decorative coatings on concrete articles includes plasma spraying of protective-decorative materials on the front surface of the article, glass granules are sprayed as protective-decorative coating, granules are preliminary humidified to 6-8 % and coated with layer of finely dispersed powder in ratio 9:1 (glass granules: finely dispersed powder) at plasmatron power of 6 kW and flame propagation speed at the front surface of 0.3 m/s.EFFECT: high strength of the metal layer adhesion with base and reduced power consumption.1 cl, 2 tbl, 1 ex
ethod of heat and moisture treatment of concrete articles // 2584907
FIELD: technological processes.SUBSTANCE: invention relates to a method of heat and moisture treatment of moulded concrete articles, mainly of complex shape, for example, toothed concrete sleepers. Method for heat and moisture treatment of toothed reinforced concrete sleepers consists in that after setting concrete toothed protrusion on foot of under-rail zone of sleeper is surrounded with a shell installed with clearance along perimeter, and water is poured. Required temperature is maintained.EFFECT: higher efficiency of thermal-moisture treatment.1 cl

Device and method for processing segment of concrete tower of wind power plant // 2583392
FIELD: construction.SUBSTANCE: group of inventions relates to processing device for processing top edge segment concrete tower for preparation of tower segment to installation of at least one of following tower segment. Method includes movement of treatment agent at edge of segment for processing edge of segment. Said treatment agent is directed using a fixed region of edge of segment support apparatus for supporting device and on edge of segment. Edge of segment is treated by treatment agent during movement of treatment agent at edge of segment.EFFECT: high efficiency of processing.25 cl, 10 dwg

achine for cutting plastic bar // 2581434
FIELD: construction.SUBSTANCE: invention relates to the industry of construction materials, to devices for measuring cutting of continuously moving plastic bar into billets of bricks or other ceramic articles. Disclosed cutting machine for plastic timber comprises a housing, a support table for timber, a body with a vertical cutting string and a crank-and-rocker mechanism for moving body. Crank mechanism is connected to a rotary drive, controlled by signals of beam speed meter. Rocker arm is fixed on a support table capable of swinging in a plane parallel thereto. Connecting rod connecting crank and rocker arm is designed as a spatial figure, having at least one connection from remote nodes connecting rod with a yoke and crank point made in a plane parallel to plane of supporting table, moving along a path in form of figure eight. At said point, connecting rod is attached to body with cutting string so that centre of figure eight, described cutting string, falls on middle beam, edges are outside its scope, and axis is perpendicular to beam.EFFECT: invention is aimed at designing a simple, light-weight and reliable drive for moving cutting string.6 cl, 5 dwg

ethod to engobe concrete products // 2572249
FIELD: construction.SUBSTANCE: method to engobe concrete products includes grinding and sifting of kaolins or white-burning clay, powder supply into a plasma burner and plasma sputtering. Besides, previously they prepare a mechanical mixture of kaolins and white-burning clays with ceramic pigments and powder of dried liquid glass at the ratio of 10:1:2. Plasma sputtering is carried out at capacity of 5 kW and plasma-generating gas flow rate of 2.0 m3/hour.EFFECT: reduced energy intensity, increased strength of adhesion and frost resistance of a coating.2 ex, 3 tbl

ethod to glaze concrete products // 2572095
FIELD: construction.SUBSTANCE: method to glaze concrete products includes mixture laying and compaction, soaking and heat-moisture treatment of products, plasma melting of their face surface, besides, colour glass powder is sputtered into face surface simultaneous plasma melting of the face surface with plasmatron operation capacity of 7 kW, consumption of plasma-generating gas 1.4 m3/hr and glass powder consumption of 1.75-2.25 g/s.EFFECT: increased quality of finished product due to reduction of temporary and permanent stress in a coating and increased strength of coating adhesion to base with simultaneous reduction of energy inputs.3 tbl, 2 ex

ethod of glazing autoclave wall materials // 2564544
FIELD: chemistry.SUBSTANCE: method of glazing autoclave wall materials includes semi-dry moulding, autoclave treatment, plasma fusion of the front surfaces thereof while simultaneously sputtering colour glass powder. The power of the plasmatron is 6 kW, the flow rate of the plasma-supporting gas is 1.0 m3/h and the flow rate of the glass powder is 2.0-2.5 g/s.EFFECT: high frost-resistance of the materials.3 tbl

Tower of wind-driven power plant and manufacturing method of tower of wind-driven power plant // 2564422
FIELD: power industry.SUBSTANCE: invention relates to a manufacturing method of a tower of a wind-driven power plant. The manufacturing method of the tower of the wind-driven power plant consists in the fact that at least one tubular section of the tower is made of ring-shaped concrete block assemblies located on each other and provided with two horizontal contact surfaces; with that, the ring-shaped concrete block assemblies after casting in the processing area at the shop of ready-made structures are fixed, and both horizontal contact surfaces of the concrete block assemblies are processed at one fixation by plane-parallel processing with material removal. Besides, the tower of the wind-driven power plant is described.EFFECT: easier erection of a tower is achieved.20 cl, 5 dwg

Apparatus for background ultrasonic action on hardening process of mineral binding material // 2562354
FIELD: physics.SUBSTANCE: apparatus for background ultrasonic action on the hardening process of mineral binding material consists of a current pulse generator with amplitude of not more than 1.5 A and full electrical oscillatory power of not more than 15 VA, a mediator-antenna loop and a pair of output terminals for connecting the mediator-antenna loop. The mediator-antenna loop is in the form of a single-wire conductor in a solid insulation with diameter of not more than 2 mm and length of not more than 3 m, and which galvanically closes the output of the current pulse generator onto its housing, thereby representing a short-circuited magnetic dipole loop. The mediator-antenna loop is either brought into mechanical contact with the mineral binding material or is broken and the gaps accommodate an electroconductive element of the structure, on which action on the mineral binding material will be applied through it or the mediator-antenna loop is rigidly mechanically connected to a monolithic acoustic conductor (waveguide), made of metal, ceramic, a dense organic polymer or an organomineral composite.EFFECT: high quality of the obtained mineral binding materials while cutting the duration of hardening of the mineral binding materials by not less than twofold owing to special connection of an apparatus for background ultrasonic action on the hardening process to said materials.24 dwg

ethod for metallisation of autoclave wall materials // 2553708
FIELD: construction.SUBSTANCE: in the metallisation method of autoclave wall materials, the surface of autoclave wall materials is previously covered with 10-30% aqueous solution of alkali silicate and alumina cement in their weight ratio of (3-19):1, and plasma powder spraying of non-ferrous metals is carried out at operation power of plasmatron equal to 6-2 kW.EFFECT: improving the quality of final products, increasing the resistance to frost and bonding strength of coating with base due to acceleration of metallisation process, reducing the energy intensity of production.3 tbl

Device for thermal treatment of construction materials and items from them // 2548275
FIELD: construction.SUBSTANCE: device for thermal treatment of construction materials and items from them comprises a chamber with generators of infrared radiation, heat-insulated doors, a control panel, devices and instruments regulating parameters of emission flows and internal pressure in the chamber. Generators are made as paired symmetrically infrared emitters and reflectors of complex configuration made of curvilinear sections creating a reflector in the form of two mirror cylindrical surfaces symmetrical relative to the vertical plane of the chamber of cylindrical surfaces having a common line. In the cross section the centres of curvature of curvilinear sections of the reflector in the chamber are arranged on a straight line stretching via centres of infrared emitters. At the same time radii of curvature of curvilinear sections of reflectors are related to each other as 1:π:π2. The chamber is made as closed. On side internal surfaces of the chamber vertically and in the arch of the chamber there are horizontally installed identical generators of infrared radiation. At the same time in each generator in the cross section the centres of curvature are arranged on straight lines crossing at the angle of 60° , one of which stretches via the centres of infrared radiators installed inside the sections of smallest radius of curvature. Centres of the largest radius of curvature are tops of equilateral triangles, the base of which is a section of a straight line that connects centres of smallest radii of curvature, at the same time completion of the largest radius of curvature. At the same time radii of largest curvature of vertically and horizontally installed generators start from one point.EFFECT: increased quality and strength of items due to even distribution of heat along area and depth of infrared radiation penetration.2 dwg

ethod of applying coating from catalyst component on monolythic base // 2541575
FIELD: chemistry.SUBSTANCE: invention relates to method and device for application of coating from liquid, containing catalyst component, on monolithic base with cellular structure, containing multitude of channels. Method includes the following stages at which: monolithic base with cellular structure is held in fact in vertical position; specified volume of liquid is introduced into base through open ends of channels on the lower base end; introduced liquid is retained inside base in hermetic way; base, containing retained liquid, is turned over and vacuum is applied to open ends of base channels on turned, lower base end to extend liquid along base channels. Invention also relates to catalytic monolithic base of filter with leaking through walls, on input channels of which preliminarily applied is superficial membranous layer, containing highly disperse fireproof solid-body particles, in which input channels contain porous oxide catalytic coating with in fact uniform in axial direction profile, said catalytic monolithic base of filter with leaking through walls can be manufactured by method by any of items 1-4.EFFECT: obtaining catalytic filter, which has higher capability of NH3 accumulation, which is important for promotion of NOx conversionat low temperature.18 cl, 1 tbl, 13 dwg, 5 ex

Fixation method of lifting eye on concrete element obtained by method of casting into sliding form, and support for lifting eye // 2541000
FIELD: construction.SUBSTANCE: group of inventions relates to fixation of lifting eyes on a concrete element during its installation. A lifting eye is made of a metal rod and is at least partially located inside a cavity made in the concrete element surface. The above method involves transfer of at least the forces acting in longitudinal direction of the concrete element and applied to the lifting eye to the above concrete element by means of a support. A support is placed at least partially into the above cavity of the concrete element in which the lifting eye is located.EFFECT: improving lifting eye fixation efficiency.10 cl, 4 dwg

ethod to manufacture acoustic panels and process line for their manufacturing // 2539462
FIELD: construction.SUBSTANCE: method to manufacture acoustic panels includes preparation of a water suspension from mineral wool, a binder, a filler and target additives. The produced suspension in the form of a raw mat is applied onto a continuously moving tape with a net. It is pressed with the help of vacuum. Drying and finishing treatment is performed. At the same time mineral wool for the suspension is additionally manufactured. After pressing moisture of the raw mat makes 55-60%. Before drying the raw mat is cut, drying is carried out in a multi-level moulding drying furnace with three heating zones, accordingly: 270-280°C, 330°C and 240°C. At the same time variation of temperature in the cross profile of the furnace makes +/-5°C, and moisture of panels at the outlet from the moulding furnace is not more than 0.5%.EFFECT: ecological compatibility of the method, high efficiency, high acoustic and operational characteristics of finished items.16 cl, 1 tbl, 1 dwg

Disk-shaped working element of concrete finishing machine with variable gradient of microwave radiation // 2537464
FIELD: construction.SUBSTANCE: disk-shaped working element of a concrete finishing machine includes a drive shaft that can transfer a torque moment to a smoothing disk, with that, in cavities of the smoothing disk there located are magnetrons creating microwave radiation, the electric power to which is supplied by means of sliding contacts through a rheostat, by means of which it is possible to control a microwave radiation gradient.EFFECT: obtaining high quality of treatment of a surface of concrete items; obtaining a high-strength surface layer.2 dwg

Production of foam materials and production line to this end // 2535548
FIELD: process engineering.SUBSTANCE: invention relates to production of foam materials on the basis of asbestos, basalt, carbon, polyether or polyamide or any other inorganic and organic fibres to be used in aircraft and ship building, machine building, etc. This method comprises the steps that follow. Production of foam bilk from initial mix of fibres and feed of said foam bulk to conveyor belt. Foam bulk is dried in drying chambers at stepwise increase in temperature in successive zones. Foam bulk is annealed in the kiln to foam material and cut reset-size boards. Note here that drying and annealing comprises simultaneous effects of IR radiation and convective heat. Note here that drying stepwise temperature increase occurs at 60°C-170°C. Annealing is performed at 190-280°C. Foam bulk is fed through drying chambers and annealing kiln at the rate of 6-12 m/h. Invention proposes also the conveyor line to this end.EFFECT: accelerated drying, higher quality of foam material, continuous production.8 cl, 3 dwg

Ceramic brick soft-mud forming and drying line // 2534283
FIELD: process engineering.SUBSTANCE: invention relates to production of construction materials and can be used for reconstruction and designing of brick soft-mud forming plants. Proposed line comprises extrusion press, open-frame automatic cutter, brick automatic stacker and drier. Note here that, additionally, this line is equipped with drying frames with T-like pillars and automatic stacker to place frames with bricks on drying frames. Automatic stacker consists of transition roll table, step conveyor, grouping conveyor and lifter with arms. Drying frames with bricks are fed into driers by means of stackers over smooth floor. Note here they are arranged in two tiers inside drying chamber over it height onto t-like pillars of said drying frames.EFFECT: reduced production floor and amount of automatic hardware, lower metal input.7 dwg

Device for separation of plastic bar // 2526030
FIELD: process engineering.SUBSTANCE: invention relates to production of construction materials. Proposed device comprises cutter with cutting string and flat chamfering devices with their rib facing the bar. Said device are arranged in pairs on bar sides, first chamfering devices of every pair being located on one conditional plane across the bar. Second chamfering devices of every pair are located in second conditional crosswise plane while spacing between said planes equals the diameter of string displacing therein. All chamfering devices are located to displace simultaneously across the bar to the position of compression of chamfering devices in one crosswise plane and backward. Merit consists in that chamfering devices are L-shaped to make internal angle face the bar. Chamfering surfaces are made on both sides of said angle. Note here that joint points between chamfering devices are located at bar side mid part.EFFECT: higher quality of articles.6 cl, 10 dwg

ethod of cutting, used device and cutting tool for extruded plastic profile // 2518044
FIELD: process engineering.SUBSTANCE: invention relates to processing of extruded plastic sections. Toothless disc cutter is used for cutting. Proposed cutter consists of the blade on inner circle and cutting edge on outer circle. Toothless disc cutter features the cutting edge with angle of tooth outline β=2°-6° for half-round blade or with angle of tooth outline α=4°-12° for two-edge cutter. Cutter is driven at linear speed of 20-100 m/min at feed rate of 0.3-0.7 m/min. At cutting, lubricant is sprayed onto disc cutter from sprayer nozzle.EFFECT: noiseless and dustless cutting, longer life, higher quality of finished product.10 cl, 4 dwg

Device and method to manufacture special formats of building bricks or their moulded blanks, or connections of building bricks and transport belt // 2515388
FIELD: construction.SUBSTANCE: invention relates to the field of construction, namely, to structures and methods for manufacturing of bricks. The device for manufacturing of special formats of construction bricks, in particular, silicate bricks, for moulded blanks of building bricks comprises a sawing device for sawing of building bricks or their moulded blanks and a feed device for feeding of building bricks or their moulded blanks to the sawing device. The feed device includes an upper element, made as capable of lying building bricks on it or a moulded blank, and a lower element arranged at the distance from it. The sawing device or the saw blade of the sawing device is made as capable of rotation relative to the feed device around the axis, in particular, for making inclined saw cuts or cuts for connection into a mitre joint. The upper element of the feed device is made with a gap for the saw, through which at least partially the sawing device or the saw blade may go. The axis of rotation of the sawing device or the saw blade is arranged, at least approximately in the field of the upper element of the feed device, in particular, in the area of the support surface for a construction brick or its moulded blank. The upper and lower elements of the feed device limit the intermediate space, formed so that at any angular position it may receive the sawing device or the saw blade.EFFECT: invention will make it possible to reduce quantity of wastes.10 cl, 3 dwg

Hopper with inclined electrodes for electric heating of concrete mix // 2513519
FIELD: construction.SUBSTANCE: invention relates to the field of construction, namely, to structures for electric heating of a concrete mix in construction conditions. The electric heating hopper of cyclic action is made as installed with the angle of inclination 70…75° to the bottom by steel plate electrodes having horizontal strip cuts with height of 8…10 mm, arranged along the height of the electrode via 5…6 cm.EFFECT: invention will make it possible to provide for increased evenness of heating of a concrete mix, to reduce duration of heating of a concrete mix, to reduce power consumption.1 dwg

ethod of production of cellular concrete with closed pores (versions), device for making foam medium and mould for forming article to this end // 2510330
FIELD: process engineering.SUBSTANCE: invention relates to construction, particularly to production of cellular concrete particles. Proposed method comprises separate preparation of mortar and water, making foam of surfactant and water, mixing said mortar with foam, foam making, moulding the mix in the mould and thermal processing of article. Mortar is made by mixing water and cement at the following ratio, in wt %: cement - 25.0-58.0, water - 43.0-29.0. Cement is added into vessel with water at constant mixing to obtain homogeneous mortar. At a time, foam-like medium is made by mixing anionic and/or nonionic surfactant in amount of 0.05-0.2% per 30.0-9.0% of water degassed by thermal treatment at 20-95°C. Mixing is conducted by rubber disc fitted on drive shaft at 1000-3000 rpm. Obtained foam-like medium is added to mortar and mixer by mixer composed by piston engaged with drive to reciprocate vertically to produce homogeneous mass. Said mass is poured into molds and solidified at 1-37°C. Now, semi-finished moulded article is withdrawn to be cured at ambient temperature to solid state.EFFECT: higher precision of finished articles.10 cl, 3 dwg

Concrete surface finisher disc tool with variable gradient of magnetic field // 2500522
FIELD: process engineering.SUBSTANCE: invention relates to construction and can be used for high-quality processing of uncured reinforced concrete surfaces of articles moulded from concrete mixes for civil and industrial construction. Concrete surface finisher working disc tool consists of body, motor, drive shaft and smoothing disc. Besides, it comprises cathode immersed in concrete mix and rheostat to control electric field gradient and to transmit electricity via current collector to drive shaft and smoothing disc. Note here that is it possible to influence processed concrete surface by electric effects.EFFECT: higher surface quality and hardness.1 dwg

Concrete surface finisher disc tool with variable gradient of magnetic field // 2500521
FIELD: process engineering.SUBSTANCE: invention relates to construction and can be used for high-quality processing of uncured reinforced concrete surfaces of articles moulded from concrete mixes for civil and industrial construction. Finisher disc tool comprises drive shaft to transmit rotation to smoothing disc made from magnetically conducting material wherein high-power magnets are secured. Said smoothing discs can rotate in opposite directions at different angular velocities. Note here that outer smoothing disc is rigidly secured to planetary train. Inner smoothing disc is rigidly attached to the shaft. Outer and inner smoothing discs have recesses made in adjacent zone of rotation to accommodate alternating poles of high-power magnets.EFFECT: higher surface quality and strength, decreased roughness and power consumption.

Chamber for accelerated curing of concrete articles with use of electromagnetic wave power in visible spectrum band of artificial and natural origin // 2499665
FIELD: process engineering.SUBSTANCE: invention relates to construction, namely, to concrete and reinforced concrete article drying chambers. Proposed chamber comprises walls, detachable translucent cover and heat power feed system. Chamber guard structure and said detachable cover are made of combined material including metal, asbestos sheet, foil with heat insulation provided with air layer confined by two layers of foil. Layer of asbestos at chamber inner walls is covered by foil. IR radiators, portable heat sensor are arranged at chamber bottom while water like with sprinklers is laid around the periphery. Electrical protection contact device is arranged ay chamber r top part.EFFECT: decreased heat losses.1 dwg
 
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