Working of plastics and working of substances in a plastic state in general (B29)

B29            Working of plastics; working of substances in a plastic state in general(19391)
Winding device // 2607752
FIELD: machine building.SUBSTANCE: invention relates to winding device. Technical result is achieved by winding device having base plate, which is rotated by means of rotary shaft, plurality of segments arranged in annular zone corresponding to base plate outer circumference. At that, every segment has shape corresponding to one of forms obtained by annular zone dividing into plurality of sections along base plate circumference. At that, each of segments is supported by base plate, each is in movable way in base plate radial direction. Manipulation shaft, which is rotated by means of handle, and conversion mechanism arranged between manipulation shaft and each segment. At that, conversion mechanism converts manipulation shaft rotation into corresponding segment movement in base plate radial direction. At that, conversion mechanism includes: first gear wheel, supported by base plate in rotary manner relative to rotating shaft, second gear wheel attached to manipulation shaft so, that to engage with first gear wheel, plurality of threaded shafts supported by base plate, plurality of third gear wheels attached to threaded shafts so, that to engage with first gear wheel, and plurality of movable elements, which are directed by plurality of guide sections, which are formed on base plate, to pass in base plate radial direction. Each of threaded sections includes internal threaded section, screwed in to corresponding threaded shaft, and each of segments is supported by one of movable elements. At that, when base plate rotates, wire is wound on segments outer circumference, which rotate integrally with base plate, thereby forming bead ring.EFFECT: technical result is simplification of rings with different diameters winding.7 cl, 9 dwg
ethod of creating structure of article and article produced using said method // 2607750
FIELD: laser engineering.SUBSTANCE: group of inventions relates to a method of creating at least one structure (13, 15) by means of a laser exposure, at least, at one part (11) of a container wall of a plastic article in the form of a container and an article made as described above. Preferably, the article is made by the process of blow molding, filling and closing the container. Corresponding structure (13, 15) of the container is created by the laser exposure. Laser exposure is determined at least considering the laser power, duration of the laser exposure, type of a plastic material and type of the desired structure in the form of linear depression (17) in part (11) of the article wall. Linear depression (17) at its edge and its travel is limited by projection (27), which is created under the effect of inherent stress of the plastic material.EFFECT: technical result achieved when using the group of inventions is reliable implementation of the method and creation of distinctly recognizable structures.10 cl, 9 dwg
ethod for producing films from non-woven fabrics // 2607747
FIELD: textile and paper.SUBSTANCE: method for producing film from non-woven fabric by conversion of non-woven fabric into film and film and single-dose articles obtained therefrom. Method for producing water-soluble film from a nonwoven fabric contains the following stages: producing nonwoven fabric containing multiple filaments containing filament-forming material soluble in a polar solvent, and an active agent and converting the nonwoven fabric into film. Film is produced as described above. Single-dose article comprising a bag made from film produced in accordance with the proposed method. Method for processing an item from fabric in need of treatment, at one or more stages of which a water-soluble film produced in accordance with the proposed method is used.EFFECT: technical result of the group of inventions consists in improvement of casting speed of films obtained from the solution.46 cl, 3 dwg
ethod for manufacturing pattern, apparatus for manufacturing pattern, method for manufacturing structural body and apparatus therefor // 2607744
FIELD: image forming devices.SUBSTANCE: invention relates to a method of making a pattern, apparatus for making a pattern, method of making structural body and apparatus therefor. Method of making a pattern includes a step for providing a pattern from a first liquid on a support, applying powder material on pattern and applying of coloured paint on powder material to form a coloured pattern of powder material. Powder material is applied onto provided pattern by means of feeding powder materials into area of support, including a pattern from a first liquid, and removing powder materials outside pattern from first liquid. First liquid is a reaction liquid, which reacts with coloured paint to provide an effect of fixing a colouring compound of coloured paint.EFFECT: method enables to make a pattern with high resolution and enables to form a pattern in a wide range of different media.9 cl, 2 dwg, 2 ex
ethod of film stretching // 2607742
FIELD: manufacturing technology.SUBSTANCE: invention relates to laminated material producing method containing non-woven fabric and film. This method comprises heating initial thermoplastic polymer material film, containing at least one low-melting polymer component and at least one high-melting polymer component, until at least partially melted state. At that, at least one low-melting polymer component is in melted liquid state, and at least one high-melting polymer component is not in melted liquid state. Melting is performed by means of at least one heating cylinder. Then performing cooled by passing of partially melted film via cooled cylinders clamp. Film is stretched between at least one heating cylinder and cooled cylinders clamp. Produced films can be laminated together with nonwoven material. Laminated material is used in medicine or hygiene fields.EFFECT: technical result achieved when using method and laminated material according to inventions, consists in production of thinner films.9 cl, 1 dwg, 3 tbl, 1 ex
Extruded preform and container made of polyethylene terephthalate and method for production thereof // 2607739
FIELD: manufacturing technology.SUBSTANCE: invention relates to methods and systems of blow molding with extrusion of polyethylene terephthalate (PET). Extruded PET-preform contains the first extruded polymer containing PET, and the second extruded polymer with characteristic viscosity 0.8–0.87 containing PET. First extruded polymer and the second extruded polymer are extruded together. First extruded polymer has characteristic viscosity higher than characteristic viscosity of the second polymer. Besides, extruded monolayer PET-preform for container blow moulding with extrusion. Extruded multilayer polymer is in hardened condition and has characteristic viscosity from 0.96 to 1.4 and stripped chain extenders.EFFECT: production of a product with no haze and/or banding, having high strength.15 cl, 4 dwg
Protective shield against impacts of ice on aircraft // 2607686
FIELD: aircraft engineering.SUBSTANCE: invention relates to aircraft engineering, particularly to a self-recovering shield protection against impacts of ice on an aircraft (AC), in particular, an AC with propeller engines. Protective shield against impacts of ice on an aircraft structures comprises layers of a composite material (CM) having microcapsules containing a recovering agent. Herewith the CM also contains microcapsules containing particles of a catalyst. Under action of the catalyst particles the recovering agent becomes a polymerized recovering agent, where the recovering agent is dicyclopentadiene. Herewith the catalyst particles are particles of tungsten hexachloride and diethylaluminium chloride (WCl6-Et2AlCl).EFFECT: provided is higher flight safety due to the use of a self-recovering material, which recovers the protective material in flight.14 cl, 7 dwg
Rubber-cord casings assembly method // 2607663
FIELD: manufacturing technology.SUBSTANCE: invention relates to production of rubber-cord casings, namely to methods of balloon type rubber-cord casings with clincher beads assembly. According to method, forming rubber-cord casing, uniformly stretching casing edges, seating bead rings, forming rubber-cord casing beads. Rubber-cord casing edges are uniformly stretched in cone-shaped manner. In side zones on evenly stretched casing cone-shaped edges outer diameter non-stretchable belt material is wound layer-by-layer, thereby forming bead rings. Non-stretchable belt material layers are duplicated. Wrapping casing edges onto bead rings. Non-stretchable belt material is made in form of rubber-cord belt with number of threads in row from 3 to 12 threads.EFFECT: technical result of disclosed technical solution is creation of rubber-cord casings assembly method, increasing range of produced balloon type rubber-cord casings with clincher beads.1 cl, 7 dwg
Polyethylene composition with high degree of swelling // 2607625
FIELD: chemistry.SUBSTANCE: invention relates to a polyethylene composition for making moulded articles of different types. Composition has density from 0.953 to 0.960 g/cm3 and ratio of MIF/MIP from 17–29, where MIF is melt flow index at 190 °C with load of 21.60 kg, and MIP is melt flow index at 190 °C with a load of 5 kg. Composition is obtained by polymerisation of ethylene, optionally together with one or more comonomers, in a gas phase reactor in presence of hydrogen and copolymerisation of ethylene with one or more comonomers in other gas-phase reactor in presence of a lower amount of hydrogen, than at step a). In at least one of said gas-phase reactors growing polymer particles flow upward through a first polymerisation zone under fast fluidisation or transfer conditions, come out of said zone, and enter a second polymerisation zone, through which they flow down by gravity, come out of said second polymerisation zone and reenter first polymerisation zone, creating circulation of polymer between polymerisation zones. All copolymerisation steps are carried out in presence of a Ziegler-Natta polymerisation catalyst deposited on MgCl2. Polyethylene composition contains one or more copolymers of ethylene and not more than 1 wt% of comonomer, selected from olefins of formula CH2=CHR, where R is alkyl radical, linear or branched, containing from 1 to 10 carbon atoms.EFFECT: obtained composition is characterised by good balance of physical and mechanical properties, high degree of swelling of extruded flow with surface of high quality and stability of dimensions of end product, environmental stress-cracking resistance (FNCT) and impact strength.4 cl, 1 dwg, 1 tbl
ethod of articles producing from carbon fibre and article produced using said method // 2607583
FIELD: machine building.SUBSTANCE: invention relates to thermal compression molding method for making articles from composite materials. Method of thermal compression molding for making articles from composite materials, which involves stages, on which providing mold with molded surfaces, in which article to be produced negative shape is formed. Determining volume of article, to be produced. Calculating sheet molding material (SMC) semi-finished product weight, to be introduced into mold, based on volume of article, to be produced. At that, SMC semi-finished product contains one or more sheets of composite material, containing matrix from heat-curable resin and carbon fibres. Calculating, based on SMC semi-finished product calculated weight, SMC semi-finished product surfaces size, covering mold molded surfaces, when SMC semi-finished product is introduced into mold. Mold is preheated to temperature, making it possible to provide thermally cured resin curing. SMC semi-finished product is introduced into mold. At that, SMC semi-finished product surfaces cover mold molded surfaces in percentage, making from more than 80 % to less than or equal to 99 %. Closing mold, placing mold in autoclave, performing compression cycle in autoclave according to specified pressure on time dependence, opening mold and removing product.EFFECT: technical result is minimization of articles surface defects formation.15 cl, 4 dwg
Device for making articles from composite material // 2607413
FIELD: materials.SUBSTANCE: invention relates to making articles from composite material. Device comprises a matrix and device for its positioning in zone of spraying head. Device for positioning is made as installed on the floor, at least two conical guides, raising matrix above floor by a fixed height, and fixed on matrix mating parts with conical seats. Conical guides are secured with possibility of vertical movement. Matrix is installed on rollers.EFFECT: high sealing effect, reduced preparatory final time during production and reduced consumption of materials for making articles from composite materials.3 cl, 2 dwg
Heat-resistant matrix for moulding articles from composite materials // 2607362
FIELD: technological processes.SUBSTANCE: invention relates to moulding articles from composite materials. Heat-resistant matrix has inside one or several layers of electrically conducting material, connected to an electric power source, wherein electroconductive elements are also included in stiffness ribs of matrix.EFFECT: higher strength of matrix, as well as preventing its warpage during heating.1 cl
ethod, device and plant for cutting and installation of cover on cut pipe opposite ends // 2607306
FIELD: manufacturing technology.SUBSTANCE: invention relates to plastic pipes production. Plastic pipes production plant, closed with covers, in form of set of pipes, comprises moulding machine (E), device for plastic pipe cutting and installation of cover (1a, 2a) onto cut pipe end (1, 2) and pipes consolidation machine (A). Device for plastic pipe cutting and installation of cover (1a, 2a) on cut pipe end, implementing this method comprises driving unit (20) to supply pipe (1, 2), supplied from molding machine (E), pipe gripping assembly (30), pipes cutting assembly (40) and covers (1a, 2a) levelling assembly (50) and their mounting on pipe ends (1, 2).EFFECT: invention usage allows to reduce labor intensiveness and increase plastic pipes producing process efficiency, closed with covers.30 cl, 9 dwg
ethod of producing three-dimensional female elements // 2607226
FIELD: manufacturing technology.SUBSTANCE: invention can be used for making female elements for individual bioactive implants and artificial organs. For producing three-dimensional female elements used is a machine consisting of a control system, a three-dimensional coordinate system for a syringe dispenser displacements and a working reservoir. Control software of the control system is loaded with a digital three-dimensional model of the female element. Solution of polylactoglycolide in tetraethylene glycol is stirred at the temperature of 20–60 °C for at least 3 hours. Solution is then injected in layers first onto the bottom of the working reservoir with a liquid. Every next layer is applied on the surface of the three-dimensional female element being formed by moving the syringe dispenser while forming each layer in horizontal directions. Syringe dispenser every time before forming the next layer is lifted at a height equal to the thickness of a separate layer. Speed of the syringe dispenser displacement in the horizontal directions is selected of 3–7 mm/sec. When the forming is complete the three-dimensional female element is maintained for 2–3 hours in the liquid for final fixation, then dried in the air at room temperature.EFFECT: invention enables to obtain not having cytotoxicity three-dimensional female elements of a given structure and shape on the basis of their digital three-dimensional models.5 cl, 3 dwg
ethod and device for manufacturing cylindrical part from composite material // 2607216
FIELD: technological processes.SUBSTANCE: invention relates to a method for manufacturing a cylindrical part from composite material, and an injection moulding device. Method comprises putting in place fibrous structure (P) on a horizontal mandrel. Annular moulding enclosure is set around fibrous structure and mandrel. Resin is fed to enclosure via a first axial end while keeping a second axial end of enclosure at a pressure below resin supply pressure. Moulding enclosure is kept in a horizontal or substantially horizontal position. Second axial end comprises at least two drawing sectors in form of annular sectors, each independently kept at pressure below said supply pressure.EFFECT: invention provides higher quality of obtained articles with easy maintenance of casting mould.10 cl, 5 dwg
Inflatable adjustable gastric bandage for treating obesity // 2607162
FIELD: medicine.SUBSTANCE: group of inventions relates to medical equipment, namely to surgical implant intended for placement around segment of gastrointestinal tract for narrowing of the latter, for example between abdominal part of oesophagus and stomach, method of its production, as well as to kit for surgical narrowing of gastrointestinal tract segment containing said implant. Inflatable adjustable gastric bandage intended for placement about gastrointestinal tract segment with purpose of its narrowing comprises hollow flexible bandage and flexible inflating tube. Hollow elastic flexible bandage has inner and outer wall forming inflatable sealed chamber with hole for inflation. Distal end of flexible inflating tube is connected with hole for inflation of bandage. Proximal end of flexible inflating tube is designed for connection with inflating means. Tube and bandage are fitted on corresponding distal end sections coupled by closing means to fix ring in closed position. Said ring is formed by bringing distal end and proximal end of bandage on principle of sliding assembly, in particular around gastrointestinal tract segment to be narrowed. Closing means of tube are made in form of at least one tooth. Closing means of bandage are composed of, at least one loop so that proximal end of tube intended to pass through, at least one loop of bandage is in fixed position of closing after, at least one tooth is fitted in, at least one said loop. When hollow flexible bandage is not used and tube and bandage do not engage with each other to form ring, bandage has previously formed curved part, which continues starting from proximal end part and continues with help of, in fact, rectilinear part to free distal end of bandage. Above, in fact, rectilinear part has length of 10–40 % of total length of hollow flexible bandage to facilitate engagement of proximal end of tube through at least one loop of bandage. Said, at least one loop is located on external wall of rectilinear part of hollow flexible bandage. Method of making said gastric bandage includes manufacturing of cast products by means of serial multiple molding in same form. Set for surgical narrowing of gastrointestinal tract segment contains said gastric bandage and inflated module provided with partition and intended for connection with proximal end of flexible tube to provide in-situ pressurization or removal of inflating liquid to inflate hollow bandage or discharge fluid from it.EFFECT: inventions facilitate considerable progress in gastric implants for treating obesity; most significant advantage is assisting performing surgical operations, which increases safety level, and profit with respect to industrial production, taking into account economic factors and efficiency of production of cast assembly representing integral part of at least two materials or even three materials, for example using multiple molds for pressure casting.21 cl, 12 dwg
Winding device // 2606686
FIELD: manufacturing technology.SUBSTANCE: invention relates to winding devices for winding wire around round template periphery and unfolding wire in columns and rows arrangement to form bead ring. Roller for pressing wire located on template periphery, is placed on device frame and is movable along wire columns and in direction along wire rows. Annular cam has cam surfaces and is supported by camshaft, which rotates synchronously with template rotation. Cam follower interacts with cam surfaces of cam and moves apiece with roller along wire columns and in direction along wire rows. Cam surfaces are acting to move roller along wire columns.EFFECT: enabling reliable wire winding.4 cl, 6 dwg
Device for assisting in cutting layer of fibre texture wound on impregnation mandrel of winding machine // 2606681
FIELD: technological processes.SUBSTANCE: device comprises two positioning stops (102), each configured to be positioned on side plate (26) of an impregnation mandrel, and plate (108) forming a cutting jig configured to be positioned on fibre texture layer that is to be cut at level of protective layer, said plate including slot (110) extending in position between side plates of impregnation mandrel and serving to guide cutting tool (200).EFFECT: high degree of controlling position of cutting.10 cl, 7 dwg
ethod and device for connection of image transferring or lamination film webs // 2606648
FIELD: machine building.SUBSTANCE: group of inventions relates to method and device for connection of image transfer film one first and one second film webs (2, 2') or lamination film. Each film web (2, 2') contains thermoplastic film substrate (21) and decorative layer (23). Between the first and second film webs (2, 2') common connecting area (3) is created, in which first and second film webs (2, 2') are connected to each other by means of welding. Device for image transfer film of first and second film webs solid connection comprises receiving means, adjustment means, installed with possibility of alignment signs orientation on first web relative to alignment signs at second web, welding head, installed with possibility of perpendicular movement to film surface.EFFECT: technical result, achieved using group of inventions consists in that, to enable required tensile strength during processing.23 cl, 18 dwg
Device for bead ring bonding thread winding // 2606647
FIELD: machine building.SUBSTANCE: invention relates to bead ring connecting cord winding device. Device comprises feed roller, which supplies bead ring formed by wire (W) multiple winding, in bead ring (B) circumferential direction, gripper, which captures connecting cord (S) starting end (Sa), and rotating element, which rotates after bead ring (B) inner and outer sides, while retaining connecting cord (S). While bead ring (B) is supplied in circumferential direction, rotating component (B) rotates after bead ring (B) inner and outer sides so, that to spirally wind connecting cord (S) around bead ring (B). Gripping element is located on rotating element inlet side in bead ring (B) feeding direction (D).EFFECT: invention enables higher rate of articles making.3 cl, 6 dwg
andrel for winding shells from polymer composite materials // 2606644
FIELD: machine building.SUBSTANCE: invention relates to machine building, namely, to polymer composite materials shells winding technology, and can be used for production of solid-propellant rocket engines (SPRE) bodies. Mandrel for polymer composite materials shells winding on premade heat-resistant coating, fastened with flange and frame comprises on shaft double housing with shaping surfaces, shells removing mechanisms. In mandrel central part annular groove is made, arranged two rings fixing thermal-protective coating frames, in which holes with spring-loaded screws are made, screwed in into mandrel housing. Each ring is equipped with collar, interacting with thermal-protective coating frame end. Recess is closed by insulating layer. Mechanisms to remove shells are installed on covering mandrel shaft cylindrical sections external surface, made on mandrel housing sides. Each mechanism comprises thermal-protective coating flange holder, equipped with slot, interacting with key, rigidly attached to mandrel housing cylindrical section surface. Flange holder is attached to heat shielding coating flange through centering ring. Enveloping clamping ring is installed on holder. Flange holder end interacts with nut through split bushing, positioned on mandrel shaft threaded surface.EFFECT: higher quality of finished articles.1 cl, 4 dwg
ethod of making film composite and use of film composite made using said method // 2606631
FIELD: materials.SUBSTANCE: invention relates to film composites, in particular, method for production of composite film from polyarylenetherketone moulding compound and metal foil, as well as use of the film composite made by said method for production of the printed circuit boards retaining stability of dimensions. Proposed method of making composite film of polyarylenetherketone moulding compound and metal foil includes the following steps: I) preparation of film with thickness 5–1,200 µm from the molding mass containing the following components: a) polyarylenetherketone 60–96 wt%, b) hexagonal boron nitride 2–25 wt%, and c) talc 2–25 wt%, where the sum of weight parts of components a), b) and c) is 100, II) preparation of metal foil, thickness 10–150 µm; III) molding of the films prepared at the stages I and II without any adhesive at temperature from Tm-40 K to Tm+40 K and under pressure from 4 to 5,000 bar.EFFECT: technical result is development of the method, which, using the film of polyarylenetherketone moulding compound with less shrinkage, as well as lower thermal surface expansion coefficient, by dry lamination with metal foil makes a composite with good adhesion and smooth surface.10 cl, 1 tbl
Device for holding fibre texture on an impregnation mandrel of winding machine // 2606617
FIELD: textile and paper.SUBSTANCE: invention relates to machine and a device for holding a fibre texture on an impregnation mandrel of a winding machine. Device comprises a cross-member forming a support having each of its ends for fastening on one of cheekplates of mandrel. Central pad carrier is mounted on cross-member and includes a pad for pressing against a fibre texture layer wound on mandrel. Two lateral pad carriers are mounted on cross-member and each includes a main pad for pressing against fibre texture layer wound on mandrel and a lateral pad for pressing against a lateral margin of fibre texture layer wound on mandrel. Device also includes means for exerting a clamping force urging pads against fibre texture layer wound on mandrel.EFFECT: invention ensures uniform tension of fibre structure on mandrel.7 cl, 5 dwg
Cartridge for stereo lithographic machine, stereo lithographic machine with such cartridge and said cartridge production method // 2606448
FIELD: polygraphy.SUBSTANCE: invention represents cartridge (2; 2'; 2ʺ) for stereo lithographic machine (1). Cartridge includes container (3), equipped with hole (4); reservoir (5) to contain main material (6) in it, curable under effect of certain radiation (7). At that, reservoir (5) is rigidly connected with container (3), and feeder (8) is made with possibility to supply of main material (6) from reservoir (5) into container (3). Container (3) bottom (9) is at least partially transparent for certain radiation (7) and located opposite to hole (4).EFFECT: technical result achieved when using disclosed cartridge, is in eliminating need of periodic refilling and/or emptying container and preventing main material spoilage, left in end of production cycle.15 cl, 4 dwg
Bead ring winding device and mounting element // 2606225
FIELD: machine building.SUBSTANCE: invention relates to bead ring winding device and mounting element for use with said device. Device comprises template, including attached segment, which is attached to rotating shaft, and separated segment, which is connected to attached segment with possibility of displacement to and from fixed segment, so that template is made able to increase or reduce template peripheral length. Device comprises mounting element, which can be replaced to establish distance of separated segment separating from fixed segment with changing of formed bead ring winding diameter, and fastening element, which secures separated segment to attached segment. Provided is eccentric bolt serving as fastening element, passes through engaging opening in mounting element and attached to threaded opening in attached segment so that eccentric bolt head is engaged with engaging opening surface wall for mounting element positioning and locking.EFFECT: invention allows to increase efficiency of the device.5 cl, 12 dwg
Device for fabricating composite material part // 2605969
FIELD: chemistry.SUBSTANCE: invention relates to a device for fabricating a composite material part by injecting resin into a fibre structure. Device includes a first die composed of two adjacent support surfaces defining reentrant angle (A) between them. At least one chock with a wedge-shaped portion is configured to press fibre structure into angle (A). Second die is movable relative to first die. First and second dies are configured to clamp on fibre structure and chock. Chock is connected to second die by at least one link. Link is hinged relative to second die and relative to chock to guide wedge-shaped portion towards angle (A) to press the fibre structure into angle when second die approaches first die.EFFECT: invention provides improved physical and mechanical properties of obtained articles.9 cl, 6 dwg
olding element containing cutting tool for tire tread molding and vulcanization // 2605966
FIELD: technological processes.SUBSTANCE: invention relates to molding die molding element for tire tread molding and vulcanization. Technical result is achieved by molding die molding element for molding and vulcanization of tire tread containing tread surface contacting with ground during tire rolling. At that, molding element comprises forming surface intended for part of tire tread surface molding, and blade with length L and height Hc intended for molding of sipes or grooves in tread. Blade has rounded end passing along blade length in direction of length X. At that, molding element comprises two cutting tools arranged on blade both sides at specified distance from blade. At that, each cutting tool at one end has alternating projections and grooves extending in direction of length X. At that, distance from projections to forming surface is exceeding or equal to blade height Hc.EFFECT: technical result is simplification of coating layer integration with tires tread grooves side surfaces.10 cl, 9 dwg
ethod and plant for production of mutually different tires // 2605964
FIELD: machine building; transportation.SUBSTANCE: invention relates to tires production method, to vehicles tires production plant. According to method carcass structure is produced. Crown structures are made. Assembling each carcass structure with one of crown structures. At least one of said actions for carcass structure making and for crown structures making includes stages, on which first continuous elongated element is placed so, that its end section is aligned with cutting position. Arranging second continuous elongated element so, that its end section is placed side by side with first continuous elongated element end section. Forming first strip-shaped elements from first continuous elongated element. Placing first strip-shaped elements on first forming drum. Moving first continuous elongated element end sections and second continuous elongated element end sections relative their elongation to align second continuous elongated element end section with cutting position. Forming second strip-shaped elements from second continuous elongated element. Placing second strip-shaped elements on second forming drum.EFFECT: invention provides improved physical and mechanical properties.49 cl, 4 dwg
Systems and methods for forming different plastic products from single melt // 2605963
FIELD: technological processes.SUBSTANCE: invention relates to an apparatus for forming different plastic products. Technical result is achieved by an apparatus for forming different plastic products from a single melt, which comprises a main extruder system and a second product extruder system. Main extruder system includes an extruder configured to melt a plastic resin to form a melt, an additive system configured to feed any additive to melt in extruder, a diverter system configured to transfer a portion of melt to a second product extruder system and a first die configured to form a first plastic product from undiverted melt. Second product extruder system comprises a product extruder configured to blend the melt with an additive, forming a second product melt, an additive feeder configured to feed product additive to second product extruder and a second die configured to form a second plastic product from second product melt. Efficiency of second product extruder system is not more than 75 % efficiency of main extruder.EFFECT: enabling production of several products from one melt flow and reduced power consumption.21 cl, 6 dwg

Device for preparation of moulding mixture for making articles from composite material (versions) // 2605910
FIELD: manufacturing technology.SUBSTANCE: invention relates to a device for preparation of a moulding mixture for making articles from a composite material. Proposed is a device for preparation of a moulding mixture for making articles from a composite material, which includes a housing with heating, in which a screw is installed with the possibility of rotation with blades fixed on it with formation of zones of mechanical processing arranged along a line enclosing the spiral shaft. Herewith additionally installed is at least one screw with blades fixed on it. Herewith the screws are installed with the possibility of independent and asynchronous control of rotation speed, and the screws diameters are either identical or different able to be made from many parts.EFFECT: simplified design of the device for preparation of a moulding mixture, higher reliability of its operation and increased uniformity of the moulding mixture.12 cl, 3 dwg

Profiled structural element and method of its production // 2605909
FIELD: manufacturing technology.SUBSTANCE: profiled structural element is disclosed containing polymer base and reinforcing fiber, randomly oriented in polymer base, reinforcing fiber makes < 30 wt% of material of profiled structural element with preference over high content of reinforcing fibers of specified range, reinforcing fibers with length of < 20 mm with preference for higher values of length of specified range. Proposed shaped structural element is made by extrusion of compound containing polymer base and reinforcing fiber.EFFECT: invention provides improved reliability and service life of structural element.5 cl

Device for lining narrow surfaces and method of applying thermally activated lining of edges by means of hot air or hot gas // 2605903
FIELD: construction.SUBSTANCE: invention relates to device for lining edges and to a method of lining edges. Technical result is achieved by a device for lining edges, intended for application on narrow surfaces of a workpiece in form of a strip of an edge tape, fixed on narrow surfaces without glue due to its multilayer structure by thermal activation. Device comprises a device for feeding edge tape and clamping device, which presses edge tape to narrow surface of workpiece. In zone of feed device and/or clamping device is located an outlet for hot air or gas, which feeds hot air or gas under pressure higher than atmospheric pressure by more than 1 bar, on edge tape, and/or on thermally activated layer of edge tape, and/or on narrow surface of workpiece. Invention provides a heating device linked with outlet to feed hot air or gas thereto to bring hot air or gas to temperature of 400-700 °C, and an external source of compressed air, from which gas or air is blown into heating device.EFFECT: simplified application, high accuracy of adjustment and quality of edge tape.20 cl, 2 dwg

Control over bubbles size in gassy fluid // 2605902
FIELD: package and storage; food industry.SUBSTANCE: invention relates to methods of producing container for carbonated beverage (variants). Method of producing container for carbonated drink, which involves introduction of traction rod into heated plastic preform with neck. At that, neck section is fixed relative to axis of movement of stretching rod, and traction rod comprises end with cavities formed in it. At that, cavities have shape corresponding to pointed projections. Pushing end of traction rod to internal preform bottom, to push heated plastic preform in said cavities and injection of gas in elongated preform to produce container with pointed projections formed in its inner lower surface.EFFECT: improvement of taste sensations of beverage by controlling size of bubbles.15 cl, 68 dwg

ethod of making sliding bearing // 2605713
FIELD: machine building.SUBSTANCE: invention relates to production of laminar articles by winding and can be used for journal bearing production. According to journal bearing manufacturing method performing woven tape winding onto mandrel with woven tape impregnating with polymer binder with fillers and further heat treatment. At that winding between woven tape layers metal tape is arranged. In friction zone metal band has perforation, made in staggered order on two or three layers of metal tape surface. Between perforation layers pressed tape from flax tow is arranged, with thickness, exceeding thickness of impregnated with composition metal tape.EFFECT: engineering problem solved by invention is increasing of journal bearing durability.1 cl, 1 dwg

ethod of polymer sealing material layer application control on forming drum and method of making vehicles self-sealing tires // 2605588
FIELD: transportation.SUBSTANCE: invention relates to control over polymer sealing material layer application on forming drum and to method of self-sealing tires producing. According to method performing sealing set including non-sagging thermoplastic film and polymer sealing material layer, connected with non-sagging thermoplastic film and resting on non-sagging thermoplastic film of specified size. Sealing set is supplied into chute from top to bottom until forming drum. Sealing set front end is lowered on forming drum in radial direction outer surface so, that sealing set front end was supported on forming drum surface without jamming or displacement on forming drum surface. Front end is fixed on forming drum for elimination of sealing set and forming drum considerable displacements relative to each other.EFFECT: invention enables higher quality of produced articles.32 cl, 15 dwg
Sulphur-crosslinkable rubberizing mixture // 2605582
FIELD: chemistry.SUBSTANCE: invention relates to sulphur-crosslinkable rubberizing mixture for strengthening elements in vehicle pneumatic tyres, comprising 70 to 100 phr (parts by weight, based on 100 parts by weight of total rubbers in the mixture) of natural rubber, up to 30 phr of at least one polybutadiene, up to 15 phr of at least one carbon black, 20 to 100 phr of at least one high-dispersibility silica dioxide, at least one silane coupling agent and a bonding system. Present invention also relates to automotive pneumatic tyres comprising sulphur-crosslinkable rubberizing mixture. High-dispersibility silica dioxide has a CTAB number to ASTM D 3765 of more than 130 m2/g.EFFECT: improved resistance to cracking and growth of cracks with good adhesion and good mechanical and dynamic properties.9 cl, 1 tbl

ethod for production of hydrogel ophthalmic devices with electronic elements // 2605419
FIELD: medicine.SUBSTANCE: invention relates to medicine. Method of forming ophthalmic device with power supply includes following stages: preliminary dosing in first part of casting form preliminary amount of monomer reaction mixture; functionalization of insert with medium and electronic element so that adhesion promoter could contact with surface of insert with medium and surface of electronic element; application of adhesion booster including reagent methoxysilane on functionalized insert with medium and functionalized electronic element; application of coating on insert with medium and electronic element containing adhesion promoter; arrangement of insert with medium and electronic device for preliminary dosing of reaction mixture monomer, preliminary hardening of preliminary dose of monomer reaction mixture so that it rigidly holds insert with medium and electronic element in immediate vicinity of first part of casting form; subsequent dosing into first part of casting form of further dose of reaction mixture monomer; placing of second part of casting form in close vicinity of first part of casting form so, that at such arrangement assembly of casting form of ophthalmic device with lens-forming cavity is created; curing of subsequent dose of monomer reaction mixture to form ophthalmic lens. Wherein insert with medium comprises power supply elements, made with possibility to provide electric connection between insert with medium and electronic element.EFFECT: use of given invention will allow to expand range of methods of forming ophthalmic devices with power supply.8 cl, 6 dwg, 1 tbl
ethod of grinding and cutting of rubber by boring // 2605128
FIELD: tools.SUBSTANCE: invention relates to method of grinding and cutting of rubber by boring. According to method boring equipment is used for production of rubber crumb, crushed rubber or rubber fragments by boring initial raw rubber.EFFECT: invention reduces cost of processing equipment, consumed energy for production of rubber crumb or crushed rubber, reduces area of arrangement of equipment, simplifies process of grinding.4 cl

Tire vulcanization die mold equipment component replacement method // 2605116
FIELD: technological processes; machine building.SUBSTANCE: invention relates to tire vulcanization die mold equipment component replacement method. Technical result is achieved by tire vulcanization die mold equipment component replacement method, making part of this equipment and located between tire vulcanization unit main and support plates. At that, support plate is located above main plate and faces its side. At that, method includes stages, at which lifting support plate, when it is disconnected from said component, replacing component, lowering support plate for adjustment of its vertical position, connecting support plate with component, lifting lower bar mounted on main plate for its connection with upper bar mounted on support plate, rotating only upper bar coaxially to lower bar until their connection.EFFECT: technical result is replaceable component more reliable fastening.4 cl, 14 dwg

ethod for producing polymer open-porous material // 2604844
FIELD: manufacturing technology.SUBSTANCE: parts from poromeric material can be used as functional elements, for example filtration elements of filtration devices, matrix-carriers of catalysts, heat insulation. Part from poromeric material can be used as a part of structures supporting power load. While producing heat-resistant polymers, the part from poromeric material can be used at high temperature, since they have high mechanical and thermal characteristics. Proposed method comprises formation of a porous matrix with a pore system of the specified shape and size, formation of the second matrix by filling pores of the first matrix, removal of the first matrix, formation of polymer phase in pores of the second matrix formed after removal of the first matrix, strengthening the polymer phase, removal of the second matrix. After removal of the second matrix protective coating of poly-para-xylylene can be applied on the reinforced polymer phase. Formation of the first matrix is possible by using equipment, called a 3D printer. In this equipment implements the method, also called a 3D printing method. Layer-by-layer building-up method enables forming a matrix with porosity morphology of virtually any desired type. Method can be used for thermoplastic and thermosetting plastics. Declared method enables making polymer open-porous material having the following characteristics of the porous structure: porosity of 25-67 %; pore size of about 0.5 mm; density (apparent) of 0.30-0.90 g/cm3. Porous composite material with matrix can be made of a thermally stable polyimide (temperature index of 250-300 °C) and coating of poly-para-xylylene providing low water absorption of the material.EFFECT: invention relates to producing articles from polymer open-porous material (poromeric material).3 cl, 2 dwg, 2 ex

olding element comprising cutting means for molding and vulcanising tyre tread // 2604630
FIELD: rubber industry.SUBSTANCE: group of inventions relates to rubber industry and can be used in making tyre treads. Molding element (1) comprises molding surface (3) intended to mold part of tyre tread surface, a blade intended to mold a sipe or a groove in tread and two cutting means(7), positioned on either side of blade at a certain distance from said blade. Blade comprises a rounded end, extending along length of blade in direction of extension X. Cutting means has edge (8), extending in direction of extension. Edge forms an acute angle in plane of cross section, perpendicular to direction of extension X, wherein height of Hlc of said edge is greater than or equal to height Hc of blade. Invention also relates to a mold, comprising multiple molding elements (1).EFFECT: higher accuracy of molding due to limitation of blade movement relative to cutout part of covering layer (9).12 cl, 8 dwg

Extruded polymer profiled article comprising continuously introduced insulation elements // 2604626
FIELD: chemistry.SUBSTANCE: invention relates to continuous production of profiled articles. Technical result is achieved using a continuous process for producing a profiled article having a core made of polyurethane foam or a mixture comprising polyurethane foam, a jacket made of thermoplastic material, and optionally a film between core and jacket, comprising following steps: (A) introducing film into a gripper-belt system which has shape of the profiled article; (B) introducing liquid foamable reactive system of core comprising at least one polyisocyanate a) and a higher molecular compound with groups b) reactive towards isocyanate groups, into gripper-belt system in such a way that if necessary film present encloses precursor material; (C) shaping of core in gripper-belt system; (D) cooling core from step (C); (E) introducing core from step (C) or (D) into an extruder with attached extrusion die for producing hollow profiles, in order to sheath core with a jacket made of thermoplastic material and thus obtain profiled article; (F) cooling profiled article from step (E); (G) cutting of profiled article from step (E) or (F). In step (A), (B), and/or (E), reinforcement is introduced into gripper-belt system or, respectively, into extrusion die of ex-ruder in such a way that said reinforcement system is present in profiled article between core and jacket or in essence entirely within jacket.EFFECT: high uniformity of distribution of foam plastic in cavities of obtained profile.8 cl, 4 dwg

Vehicle pneumatic tyre // 2604618
FIELD: transportation.SUBSTANCE: invention relates to pneumatic tire with radial carcass, wherein said tire comprises sulphur-impregnated rubber mixture which contains 70 to 100 phr (parts per weight by reference to 100 parts per weight of all rubber in the mixture) of natural rubber, up to 30 phr of at least one polybutadiene, up to 15 phr of at least one soot, from 20 to 100 phr of at least one silicon oxide, at least one silane binder, and one adhesive system. Rubber based mixture is a carcass rubber coating and silicon oxide has CTAB of more than 100 m2/g in accordance with ASTM D3765.EFFECT: longer service life of a vehicle pneumatic tyre.9 cl, 1 tbl

Device for production of plastic bags // 2604599
FIELD: machine building.SUBSTANCE: device comprises upper and lower plates for thermal welding, between which film material upper and lower webs are directed, wherein between upper and lower webs upper and lower elements of fastener material are directed, and webs and fastener material elements are periodically supplied in lengthwise direction, wherein between upper and lower fastener material elements mounting plate is arranged, and upper plate for welding is made with possibility of lowering to lower plate at each periodic web supply and fastener material element so that webs and fastener material elements are found between plates for welding and mounting plate. Upper web and upper fastener material element are welded together, while lower web and lower fastener material element are welded together. Device also comprises support plate extending across webs width and extending from one of webs opposite sides, and mounting plate attached to support plate, and also contains resilient support device arranged on one webs side and arranged between support plate and frame for resilient support of mounting and support plates so that plates were moving down and lowering by upper plate for welding in order to accommodate webs and fastener material elements between plates for welding and mounting plate and their welding to each other. At that, resilient support device is made with possibility of lifting plates so that mounting plate was moving from lower plate for welding after webs and fastener material elements welding to each other. Device also includes specified position maintaining device, located on webs one side and between support plate and frame to act on support plate so that plates were kept in specified position and not bent at lowering and lifting.EFFECT: invention provides quality improvement.6 cl, 12 dwg

Expander head for expansion tools and expander tool equipped with this head // 2604373
FIELD: tools.SUBSTANCE: present invention concerns expander head (1) for expansion tools for hollow billets, in particular for plastic pipe ends and multilayer composite pipes. Head includes a screwed cap (2) equipped with directed radially inside guide flange, and set in the form of sectors of spacer blocks (4). Each block by sector inner flange is arranged with possibility of radial movement in screwed cap (2). Set of sector-shaped spacer blocks (4) moves between closed state and expanding state. In closed state, the envelope of the outer walls of the set of spacer blocks (4) formes approximately cylindrical side surface. Each spacer block (4) has at least one groove (8), propagating in the direction of the longitudinal axis of the spacer blocks (4), so that area of outer walls of the set of spacer blocks (4) in closed state of expander head (1) corresponds to 25 % to 75 % of the area of envelope of the outer walls of the set of spacer blocks. Besides, the present invention relates to expansion tool for hollow billets, which includes the proposed expander head (1).EFFECT: technical result is reduction of force at expansion of hollow billets.13 cl, 9 dwg

Compression molding of composite material quasi-isotropic flakes // 2604368
FIELD: technological processes.SUBSTANCE: invention relates to production of molded part with quasi-isotropic properties. According to method consolidated are first layer made from material of first composite component with first orientation, and second layer made from material of second composite component with second orientation, to create quasi-isotropic plate. Quasi-isotropic plate is separated into plurality of quasi-isotropic flakes. Mold is filled with plurality of quasi-isotropic flakes for direct pressing. Heat is supplied to mold for direct pressing to produce molded part with quasi-isotropic properties.EFFECT: higher quality of finished articles.14 cl, 7 dwg

ethod of producing mould from material with heat-resistant polymer matrix // 2604285
FIELD: metallurgy.SUBSTANCE: invention relates to production of composite material for moulds and can be used for moulding thermoplastic, fusible metals and composite materials based thereon. Method of making mould includes preparation of composite material containing 35 % of silicon carbide with particle size 5 mcm, 17 % of silicon carbide with particle size 2.5 mcm, 10 % of silicon carbide with particle size 1.25 mcm, 8 % of silicon carbide with particle size of 0.63 mcm, 6 % of silicon carbide with particle size 0.125 mcm, 8 % microsilica, 12 % of epoxy resin MR Advanced Poxy-Systems, 4 % hardener MR Poxy-Systems, 0.15 % wetting agent for epoxy compositions BYK-P1045, 0.01 % of antifoaming agent Troysol 307 Troy, composite material is prepared by mixing of solid components in a container with epoxy resin and container with hardener, wherein solid components are added to container in proportion to ratio of epoxy resin and hardener, mixing is carried out at a rate of 100-120 rpm for 10-15 minutes, the composition from smaller container is transferred into a larger container and obtained composition is mixed in same mode, a structure is mounted on tabletop of a vibration table for filling composition with moulding cavity, limited by surfaces of model of end product at joint line formed by mould and mould plate valves, in which is mounted a prefabricated cooling/heating system, obtained composition is poured into moulding cavity with simultaneous vibration, after which tabletop with structure is removed from vibration table and held for 1 hour in furnace at temperature 150 °C, followed by removing tabletop with structure from furnace and holding at room temperature for 24 hours, followed by separating structure from tabletop and sending for assembling mould.EFFECT: technical result is increased rigidity and accuracy of making mould, higher thermal and corrosion resistance and heat conductivity.1 cl, 2 dwg

Device for calibration of seats with polymer coating in housing parts // 2604238
FIELD: machine building.SUBSTANCE: device for calibration of seats with polymer coating in housing parts. Device includes base part and gage. Base part is made in form of three-staged axis. Base part maximum diameter stage has cylindrical shape and is supporting one, middle diameter stage has cylindrical shape and surface serving for location of mating part by not worn-out bore surface, minimum diameter stage is called shank, has cylindrical shape and is gauge guide. Gauge is made in form of cutting edge and cylinder with three openings adjacent to it. Cutting edge outer part is made conical and is cylindrical cutter rear surface with optimum rear angle, adjacent to it gauge side outer surface has permanent diameter cylindrical shape. Cutting edge inner surface is made conical and is cylindrical cutter front surface with optimum front angle. Middle diameter opening has cylindrical shape and serves for base part location and movement along shank surface. Minimum diameter opening is through, has cylindrical shape, its end serves as base part shank support, and opening itself is to remove gauge from shank in case of distortion and wedging.EFFECT: technical result achieved when using device according to invention enables to calibrate openings with hardened polymer coating and thus eliminating effect of polymer material shrinking to polymer-coated opening final sizes, eventually, increase openings with polymer coating dimensions accuracy and reduce structural parts recovery costs.3 cl, 6 dwg

Apparatus for repairing sifting or filtering screens // 2603983
FIELD: oil industry.SUBSTANCE: present invention relates to apparatus for repairing screens, used in oil, gas and drilling industry for separating solid particles of liquid phase of drilling mud on hydrocarbon and liquid base. Apparatus for repairing screens comprises a central frame and locking surface of screen frame, having a first extended shape. First extended shape is efficiently compressed to form a second compressed shape. Second compressed shape is efficiently returned into first extended shape. Apparatus is used to implement a method of blocking damaged areas of sifting or filtration screen, including insert of apparatus for repair in area of filter screen to be locked, while locking surface of screen frame is in its second compressed shape, returning locking surface of screen frame into expanded first shape. Apparatus for repair of screen is made by extrusion and cutting to required dimensions.EFFECT: technical result is longer service life of screen.14 cl, 4 dwg

ethod of forming articles of composite material // 2603798
FIELD: technological processes.SUBSTANCE: invention relates to method of forming articles of composite material. Technical result is achieved by method of forming articles of composite material, which involves lining of fibrous material, impregnated with binder, in recess of production equipment and use of sealing elements of thermally expanding rubber to create molding pressure, package, heating, supply of pressure, cooling of hardened product and its extraction from tooling fixture. Wherein volume of tooling cavities is equal to or greater than volume of non-compacted fibrous material, impregnated with binder, forming article. Sealing element is made of strip-like uncured thermally expanded rubber covering recess of tooling. Wherein pressure is transmitted to rubber element via stiff saddle overlapping strip of uncured rubber, which partially fills tooling cavity during heating and pressure supply via saddle, thus sealing fibrous material, impregnated with binder and creating molding pressure during curing.EFFECT: technical result is reduced labor input, power consumption and shorter production cycle of making article.4 cl, 3 dwg, 1 ex
 
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