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Method and device for making short rubber cord compensation inserts Invention relates to production of compensator sleeves, particularly, to production of short rubber cord compensator inserts. Device for production of said short rubber cord compensator inserts for pipelines which comprises rigid mandrel, flanges, outer shell and welding diaphragm arranged above insert blank and mounted at outer shell. Note here that welding diaphragm ID in free state complies with OD of said short rubber cord insert. Rigid mandrel ensures invariable diameter and cleanliness of inner surface over the entire length of said insert. |
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Invention relates to holding film, method of film obtaining and method of obtaining products from composite material. Holding film includes plastic polymeric bearing film, intermediate layer of anti-adhesive chemical product, which covers front wall side of bearing film, intended for getting into contact with half-finished product, which will lead to obtaining of product from composite material, and surface layer of covering material, which is applied on intermediate layer by method of vacuum sedimentation from steam phase. |
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Charcoal-containing plastic packing material and method for production thereof Group of inventions relates to a charcoal-containing plastic packing material and a method for production thereof. As a result of containing charcoal, the material has functional properties such as suppressing putrefactive bacteria, absorbing pollutant particles and smells, emitting far-infrared radiation and anions, and preventing the generation of static electricity. The disclosed material has thickness of 0.01-0.11 mm and blends a given amount of charcoal powder with a polymer resin. The invention provides a method of producing a plastic packing material, in which the particle size, the amount used for resin, and the particle size uniformity of charcoal powder to be mixed with the resin are controlled in accordance with the thickness of the plastic packing material to be formed. |
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Method and device for soldering of tubular polymer package and package thus produced Set of inventions relates to soldering of tubular polymer package. Proposed method comprises stages described below (a) Wrapping of laminar material (11). (b) Placing the laminar material edges (8, 9) nearby. (c) Extruding the softened polymer cord (12) to be placed at said edges (8, 9). (d) Smelting the edges (8, 9) to be bonded by cord (12). (e) Application of pressure to soldering zone (10). (f) Cooling of produced joint. Proposed device comprises vertical soldering rod coated by laminar material, softened polymer rod extruder and applicator to by applied between soldering rod outer surface and laminar material. |
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Polyethylene film with high tensile strength and high rupture energy in stretching Invention relates to film from ultra-high-molecular-weight polyethylene UHMWPE. Film has tensile strength, at least, 2.0 GPa, energy of tensile rupture, at least, 30 J/g, value of mean molecular weight Mw, at least, 500000 g/mol, Mw/Mn ratio not higher than 6 and film width, at least, 5 mm. Also described is method of obtaining film from ultra-high-molecular-weight polyethylene UHMWPE. Film is applied as initial material for ballistic devices, ropes, cables, meshes, tissues and protective devices. |
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Furniture article lining strip Invention relates to a furniture article lining strip. The liming strip contains a meltable layer and a structural layer of polymer material bonded to the latter. The meltable layer contains both polar and non-polar molecular structure components. The meltable layer material is represented by a copolymer, preferably - a grafted copolymer. |
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Set of inventions relates to filling of foam in joint between isolated pipe lengths (versions). Proposed method is realised by wrapping the shaping sheet of plastic reinforced by fibre around cavity or applying of shell around said cavity. Said shaping sheet has protective elements to prevent the separation of sheet edges. Shell has one or more flexible tensile elements wrapped around shell for prevention of shell bulging. Prevention occurs at expansion of foam filler introduced in the mould or shell. |
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Polymeric fabric composition, method for production and use thereof Invention relates to the technology of producing composite polymeric materials which compensate for motion in or near one or more corresponding surfaces without detriment to the structural integrity thereof after attaching polymeric fabric thereto. The material contains polymeric fabric from a plurality of elastomeric fibres and a binding matrix. The matrix is selected from a group comprising liquid resins and binding substances, e.g. polyurethanes, polyureas, acrylic resins, epoxy resins and or mixtures thereof. The elastomeric fibres are spandex or block-copolymers of polyurethane and polyethylene glycol, optionally coupled with natural or synthetic fibres. The material is obtained by depositing the binding matrix on the fabric and vulcanising, followed by hardening. Also disclosed are methods of producing and using the polymeric fabric composition. |
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Method for producing plastic mounting element of floating platform (versions) Method for producing a plastic mounting element of a floating platform (version 1) consists in the fact that moulds for the cap are manufactured with at least one slot for a key and at least two fixed pawls and for the end part of the mounting element with at least one locking protrusion on the lateral surface. Then, the product is moulded in moulds by means of injection of the molten plastic under pressure in the form of a coaxially displaced plate, primary and secondary inserts and the product in the form of the end part with at least one locking projection on the lateral surface. A tube is produced by an extrusion method, cut up to the specified size and further its ends are welded with a neck of a complimentary insert respectively and the end part of the mounting element with formation of perfect junctions. The method of manufacturing the plastic mounting element of the floating platform (version 2) comprises steps as (in version 1) before moulding of parts, wherein an additional tube is made in the mould. Then, the product is moulded in moulds by means of injection of the molten plastic under pressure in the form of a coaxially displaced plate, primary and additional inserts covering the last one, the product in the form of an additional tube with projections on the outer surface and the product in the form of the end part with at least one locking projection on the lateral surface. Then, the main tube is manufactured by extrusion. It is cut up to the specified size and then the ends of the last one are welded to one end of the additional tube and the end part of the mounting element. The other end of the additional tube is welded to the neck of the main insert with formation of perfect junctions. |
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Invention relates to a device for the uniform application of foaming reaction mixtures on a substrate, as well as a device for manufacture of composite sandwich elements. The device for applying a foaming reaction mixture comprises a mixing head for mixing the raw material for manufacture of the foam material, a distribution head located in the direction of flow behind the mixing head, at least two hose pipelines fixed on the distribution head and at least two stationary filling combs for applying a raw material mixture on the movable substrate for formation of foam. |
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Method of explosion-proof vacuum pumping in production of polymeric composite materials Method of explosion-proof vacuum pumping of sealed enclosures in production of polymeric composite materials is pumping the air with vapours of highly-flammable liquids from the sealed enclosures using a vacuum pump through distribution units, pipelines and vacuum receiver. At that after each vacuum pumping the receiver, the distribution units and the pipelines are filled with gas-deterrent. |
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Method of composite element production Invention relates to production of composite element and device to this end. Stack of plies is assembled on stacker table. Note here that every said ply comprises multiple reinforcing elements, for example, dry fibres. First part of said stack is bonded to produce partially bonded stack of plies while second part of said stack is no bonded. Partially bonded stack is formed inside mould cavity between two parts of said mould to obtain formed blank. Note also that plies in second part of said stack slide relative to each other at forming. Liquid bonding material is fed into formed blank in mould cavity for it to be solidified. |
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Device for making of articles from composite by transfer forming Invention relates to production of composite parts by transfer forming. Device for making the part from composite by resin injection comprises the die to accommodate the article billet that can be impregnated with resin. Note here that is composed of female die and one or several movable structural components to be arranged on said female die. Note here that after assembly made unit forms the cavity with profile corresponding to that of the article. |
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Low-density nonwoven fabric, applied with products of acoustic ceiling tiles Invention relates to acoustic ceiling tiles made of a nonwoven fabric. The material includes mainly a plane and self-supporting core of an inorganic basic fibre and a synthetic thermal bonding fibre. The synthetic thermal bonding fibre is preferably characterised by an increased area of a bonding surface which improves the adhesion and porosity to provide the sound absorption by a plate or the core with low density. |
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New reinforcing materials suitable for production of composite parts Invention relates to reinforcing materials, particularly, to intermediate material to be combined with thermosetting resin for production of composite parts. Intermediate material consists of unidirectional web of carbon fibres with surface density of 100-280 g/m2 bonded on every side with thin 0.5-50 mcm depth film of thermoplastic fibres. Note here that said intermediate material features total depth of 80-380 mcm. |
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Device for filtration of polymer melts Proposed device comprises casing with inlet, outlet and drain channels, heaters arranged on casing outer surface, filter unit built in said casing communicated with casing channels. Said casing is composed by hollow steel cylinder. Filter element is composed of cartridge consisting of replaceable filter element, bearing grate, drain cylinder, head and cartridge flange. All cartridge elements apart from replaceable filter element are assembled to integral one-piece unit. Drain cylinder is composed of all-metal rod connected with cartridge flange on one side and, on opposite side, with cartridge head. Drain cylinder outer surface is coated with truncated pyramid elements. On one side of drain cylinder turning of pyramidal elements does not extend to the edge for cylinder to have smooth surface at said point. Replaceable filter element represents a woven steel screen wrapped and tightened around bearing grate. Bearing grate is composed of perforated steel sheet rolled to cylindrical shell. Cartridge head is composed of steel cylinder composed by piston with holes made in circle. Cartridge flange represents a blank metal disc made so that cartridge of which said disc is a part can be fitted in and out many times and is tightly secured to the casing. Casing flange is a metal disc. There is the joint with cartridge flange on one side and with casing flange on opposite side. Both ends of the casing have circular groove for dowelled joint. |
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Invention relates to a method of manufacturing tape from reinforcing strands or threads. The tape is fixed with each of the outer faces with a polymer binding agent. The tape has a specified width, which, in fact, is constant along its entire length, with the strands or threads passing in it in parallel to the length direction. In accordance with the method the tape length is regulated to a required value by means of a size-setting device. From each of its outer faces the tape is fixed with the polymer binding agent for the uniform tape adhesion. The total weight of binding does not exceed 25% of the total weight of the obtained tape. Invention also relates to tapes from the reinforcing strands or threads. |
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Method to produce brake pad with noise protection Method involves preparation of a frame body with one or more through holes. A damping layer is applied onto the prepared frame body and is covered by a metal plate fitted by folded elements in the form of edges or an edge. The edges or the edge are placed in the holes or the hole of the frame body. Moulding of a brake lining on the frame body is carried out with simultaneous moulding of the edges or the edge of the metal plate into the brake lining. |
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Fireproof decorative-finishing material and method of obtaining thereof Invention relates to elaboration of a fireproof decorative-finishing material - artificial leather, obtained by coagulation of a solution based on a polyurethane composition. The decorative-finishing material contains a woven layer, preliminarily impregnated with an aqueous silicone emulsion and dried to the weight gain of the latter of 3.0-8.5 wt %, on which, after that, a primer and a front layer are successively applied with intermediate drying. The primer layer is made of a composition, which contains 25% solution of polyurethane "Vitur 0512", dimethyl formamide with a viscosity of 120-170 P and a dry residue 18.0-22.0 wt % for the primer layer. The front layer is made of a composition, containing 15% solution of polyurethane "Vitur 0512", a surface-active substance OP-10, di-(2-ethylhexyl)-phthalate, ammonium polyphosphate, dimethylformamide with a viscosity of 205-210 P and a dry residue 26.0-27.0 wt % for the front layer. Front layers are coagulated in a coagulation bath with a composition of 30.0 wt % of dimethylformamide and 70.0 wt % of water at a temperature of 50°C for 20 min, washed in a bath with flowing water until content of dimethylformamide is less than 3.0%, dried and finished with a polyurethane composition, containing 25% solution of polyurethane "Vitur 0512", the surface-active substance OP-10, di-(2-ethylhexyl)-phthalate, ammonium polyphosphate, dimethylformamide with a viscosity of 84 P and a dry residue 24.5 wt %. After that, the half-finished product is processed in a padding bath with compression rolls at a temperature of 60°C with an aqueous solution of a mixture of polyphosphoric acids and urea with a ratio of nitrogen and phosphorus respectively 1.0:1.56-1.80 and drying for 4 min at a temperature of 120°C until the weight gain is 20.0-25.0 wt %. The obtained finished material has a ratio of layers by weight, equal: woven layer, including 3.0-8.5 wt % of the silicone emulsion: polyurethane layers: the said mixture of polyphosphoric acids and urea respectively 1.0:0.85-0.93:0.37-0.48. |
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Method and device for injection forming and cooling of plastic parts Invention relates to injection forming. Proposed device comprises opening die with cavities for injection forming. Additional cooling cavities are located above injection forming cavities and are configured so that after their emptying after injection forming ate least released formed parts can displace at least partially thereto under gravity. Top edges of the set of chutes can be positioned to receive appropriate parts released from injection forming cavities. Bottom edges can be positioned to discharge articles in selected cavities of additional cooling. Injection forming cavities are arranged in rows while said set of chutes is configured so that their top edges are identically oriented relative to every appropriate injection forming cavities. |
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Production of turbomachine blade from composite Invention relates to making articles from composite material. In compliance with this process, 3D braiding is made to make flexible single-piece fibrous workpiece including aerofoil preform and blade root sections. Blade shroud element is made to include fibrous reinforcement with at least one hole with blade aerofoil profile shape made in shroud element. Shroud element is hooked with the help said hole at flexible fibrous workpiece. Note here that the blade is strained to pit it together with said fibrous workpiece. Fibrous workpiece is formed with shroud element to get preform shaped to finished blade shape. Preform dies are secured in moulding machine. Female die is fitted in preform to make blade with built-in shroud from composite. |
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Screw elements with reduced ridge inclination Invention relates to screw elements for multiple-shaft screw machines with screw shafts rotating pairwise in one direction and cleaning each other pairwise by scraping, to the usage of such screw elements and to the method of the screw elements manufacturing. Technical result is reached by the screw elements for the multiple-shaft screw machines with the screw shafts rotating pairwise in one direction and cleaning each other pairwise by scraping. The screw elements have two or more screw twists Z with an interaxle distance A and an external diameter DE. The sum of angles of ridges at a pair of elements is more than 0 and less than and the screw profiles have gaps within 0.001-0.1 in relation to the external diameter DE. |
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Method of radial tire repair, repaired radial tire and rubber patch Method includes phase of rubber patch in which multiple reinforcing elements (11) are mutually parallel and covered with rubber attachment (10) from inside of tire to damaged portion (7) of carcass layer (5a) when at least one cord thread (6a) of layer in carcass layer is torn together with layer rubber on bead section (3) of a tire. Rubber patch is attached so that reinforcing elements (11) lay parallel to radial direction of tire and that inner ends (11a, 11b, 11c) of reinforcing elements (11) in radial direction of tire lay in such a manner, that they could at least partially have mutually different distances from circumferential line of tire in perpendicular direction. |
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Method and device for fluid removal at puncture elimination Proposed method comprises application of water removal device for puncture repair including pipe and seal. Said pipe can be fed into tire via tire valve arranged at the wheel while seal is located at pipe section and features OD larger than that of pipe fed into tire valve. Spool valve is withdrawn from wheel tire valve, fluid for puncture repair being introduced in said tire. Compressed air is released from tire valve. Fluid for repair is withdrawn from the tire via said pipe at tire residual pressure at fitting said seal in tire valve and fitting pipe in through tire valve to move to fluid surface for puncture repair during release of compressed air filling the tire. |
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Stringer panel from laminar composite Stringer panel forming the skin and stringers from alternating monolayers of composite arranged in lengthwise direction along said stringers. Stringer cross-section features wavy shape. Stringer is divided into first part starting in skin depth and formed by extra lengthwise monolayers, second part with shin transverse monolayers are laid in separate strips, and third part formed by lengthwise and crosswise stringer monolayers above the last top layer of the skin. Crosswise monolayers extend to wave edges to overlap underlying crosswise monolayers Layers at stringer cross-section mid part can be made horizontal so that wave top has smooth horizontal section. |
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Assembled mould with heating device Assembled mould with a heating device, which is used in thermoplastic or thermoreactive processes, includes an upper mould with upper contact surface, a lower mould, two current-carrying plates and two wires. The lower mould includes a conductive layer, a lower contact surface formed on the conducting layer and facing to the upper contact surface, an insulating surface formed on the conducting layer and facing to the opposite side relative to the lower contact surface, and an insulating layer formed on the insulating surface. Two conducting plates are located on the conducting layer of the lower mould. Two wires are connected to conducting plates and each of them has resistance that is less than that of the conducting layer. The insulating surface of the lower mould is bigger than the lower contact surface. |
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Method of making lever for swivelling device such as equaliser in aircraft landing gear Invention relates to aircraft engineering. Proposed lever comprises main body extending in lengthwise direction and including a connector extending radially from said main body. In compliance with this method, insert including base with connector made thereat is produced. Mandrel including insert base is made so that mandrel outer side section is confined by insert base outer side section. One or several plies of reinforcement fibres are laid around said mandrel. Resin is injected into ply or plies. Resin is polymerised for rigid bonding of reinforcement fibres and insert base. |
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Method of making articles from plastics Invention relates to production of plastic articles. Proposed method comprises forming the part from polyethylene or polypropylene and mechanical flanging of part edges at flanging temperature higher than ambient temperature but lower than that of material phase alpha-transition. |
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Toothed belt and usage of toothed belt in oil Invention relates to a driven toothed belt. The belt (1) comprises a body (2) made from elastomer material, teeth (4) covered by fabric (5) and a variety of reinforcing inserts (3). The elastomer material contains fibres (6) which pass in the direction in essence perpendicular to the reinforcing inserts and parallel to the surface formed by the reinforcing inserts' axes. The belt is used in systems where it is in contact with oil or with oil mixed with fuel. |
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Device and method for forming of mineral cotton sections of pipe insulation Invention relates to making of pipe insulation of mineral cotton. Proposed device comprises pipe insulation section solidification part including one or several moulds (31, 32), cylindrical on the side of inner surface. Note here that said solidification part comprises core (51, 52), each being fitted inside the every mould or designed to be fitted therein and withdrawn therefrom. Note here that first heaters are arranged on every mould (31, 32), at least over its inner surface. Second heaters heat pipe insulation sections placed in said moulds by microwave radiation. Note here that said second heaters are composed of generators (61, 62) to transmit microwave power to every mould via conducting modules (11, 12) and adapter elements (21, 22). Note here that said cores are made from material heating under effects of microwave radiation. |
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Connection method involves making of longitudinal grooves and ridges on the tape surfaces to be connected, application of adhesive material on the said surfaces, placement of the first tape on a bench support with the surface to be connected being set upwards, covering of the first tape by the second tape with the surface to be connected being set downwards, matching of the first tape ridges with the second tape grooves, pressing of the tapes. At first the second tape is bent in longitudinal direction with the prominence oriented downwards and then it is laid over the first tape in the bent state and straightened. As an alternative both tapes are bent in longitudinal directions with their prominences towards each other, then they are approached and laid together in the bent state, afterwards the second tape is straightened, bent in the opposite direction and pressed to the first tape. |
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Polymer composition and method of plastic bottle production by two-stage injection-blowing Invention relates to polymer composition and method of plastic bottle production by two-stage injection-blowing. Plastic bottle is produced by drawing at second stage, separated in time and space, after heating to 115°C-135°C, from the blank with 2.1-2.9 mm thick walls at forming with blowing and drawing axially and radially. Blank is produced at first stage by injection moulding or by injection moulding with additional injection of polymer composition. Note here that said polymer composition contains at least 60 wt % of HDPE that features density of 0.941-0.965 g/cm3 and first melt index at 190°C/2.16 kg of 0.1-0.9 g/10 min, to 40% of calcium carbonate as a filler and to 4% of dye based on titanium oxide and/or zinc sulphide. Note here that said HDPE represents mono- or multimodal HGPE with second melt index at 190°C/21.6 kg making 5 g/10 min to 50 g/10 min. |
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Rubber mixture for sidewall reinforcing layer or for sidewall and tire Invention relates to rubber mixture for sidewall reinforcing layer or for sidewall of self-supported tire. Rubber mixture for sidewall reinforcing layer or for sidewall includes diene rubber, containing 10 to 80 mass% of butadiene rubber, and coal tar pitch carbon fibre. |
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Reinforcement of composite made of fibrous composite and device to this end Invention relates to aerospace engineering. Reinforcing element comprises intake area and pressure area adapted to intake area geometry. Pressure element fits in reinforcing element intake area. Reinforcing element and pressure element fitted in place are bonded together by plug-in joint. Said plug-in joint comprises one male part fitted at pressure element and one female element fitted at reinforcing element. Reinforcing element with pressure element secured thereto is applied to reinforcing element from fibrous composite to make a forming part. For bonding of reinforcing element with component from fibrous comprises the forming part is solidified. Plug-in connector and pressure element are removed from reinforcing component of fibrous composite. |
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Invention relates to production of tubular beams. Tubular beams are made from composition containing filler and binder. Note here that said filler contains particles and/or fibres of vegetable origin. Note also that said binder comprises thermosetting resin. Proposed method comprises continuous extrusion of said composition by screw extruder furnished with forming channel and screw shaft arranged therein. Proposed method comprises loading performed at screw extruder loading zone. Then, composition is compacted and formed in compaction zone and heat treated in zone of heat treatment and curing of screw extruder. Note here that content of thermosetting resin in said composition makes 2-15% of absolutely dry resin weight relative to that of absolutely dry filler weight. Composition is compacted to preset density and formed to required shape in compaction zone, solidified and cured in solidification and curing zone of screw extruder. Tubular beam shape and sizes are fixed at said stage and hardened. Note that forming channel in compaction zone features gradually converging polygonal cross-section in extrusion direction. After hardening and curing, finished tubular beam is obtained of required outer shape and wall density of 600-1100 kg/m3. Besides, tubular beam has central through round cross-section bore. Surface of said bored has continuous rib coiling relative to central axis of the beam and extending over the entire length of said inner channel. Note that in said hardening and curing zone, forming channel cross-section that of screw extruder and screw shaft pitch are constant. |
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Fibre application machine with soft roll and heat control system Invention relates to application of fibres in production of parts made of composites. Proposed machine comprises compaction roll to apply tape on the surface, said tape being composed by at least one flat web pre-impregnated with resin, and heating system designed to emit heat radiation towards said tape. Compaction roll comprises rigid central tube and cylinder made of soft elastically straining material and fitted on said central tube. The latter has radial holes. Said cylinder is made of soft material and can communicate by its outer surface with radial holes. This machine comprises heat control means to inject heat control medium into central tube inner channel. |
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Device for fitting heat sealing plate in plastic bag machine Invention relates to production of plastic bags. Heat sealing plate has intake seat (7) to accommodate insert (8) locked thereat. Coupling rod (16) of heater (1) should be fitted in extra seat (11) and, then, through axial passage (10), into axial recess (9). Heater (1) comprises drive to displace said coupling rod (16) along its axis so that rod head (17) engages with internal ledge (18). Coupling rod (16) and insert (8) interact with each other for fitting heat sealing plate (2) at heater (1). |
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Method of processing with lubricant for mould contains: stage of supplying lubricant for mould and mould, which has porous layer of aluminium oxide over its surface, with lubricant for mould containing fluoride compound, capable of lubricating mould, and solvent; stage of applying solvent, capable of dissolving fluoride, over mould surface, and stage of applying lubricant for mould over mould surface in accordance with method of application of coating by spraying. |
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Graphite-containing nanocomposites Claimed invention relates to elastomer compositions, which include elastomer and graphite nanoparticles, to internal envelope of tyre, produced from thereof, to method of obtaining thereof and to method of producing product from thereof. Technical result is achieved by means of elastomer composition, which includes from 0.1 to 10 wt.p. of graphite nanoparticles, from 1 to 99 wt % of at least one functionalised elastomer component. Said component includes statistical copolymer, which has at least one link, derived from isomonoolefin with C4 to C7, with elastomer component being functionalised with combination of halogen and triethylammonium group. In addition, composition contains from 10 to 2000 wt.p. of at least one filling agent, which is not graphite. |
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Device for repair and inflation of damaged inflatable articles Invention relates to sealing and inflating of damaged inflatable articles and to repair set to this end. Particularly, it relates to device intended for repair and/or inflation of damaged inflatable part. Proposed device comprises first container to accommodate sealing compound to be dispensed therefrom. Said first container comprises vessel for said sealing compound with neck with outer thread to confine the inlet. Inlet seal cap includes main body closed at one end and is to be fitted inside vessel neck. Note here that said seal cap comprises edge ledge at opposite free end. Vessel neck has extra inner step to make the seat for seal cap. Note also that proposed device comprises second container with compression assy to be attached to said first container. It includes compressor casing and means for controlled feed of sealing compound from aforesaid first container to inflatable part and confining container seat with location of the valve there between. |
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Advanced stereolithography machine Stereolithography machine (1) includes: a supporting frame (2), a bath (3) for liquid substance storage, a baseplate (4) connected to the supporting frame (2) and meant to hold the bath (3), a locking mechanism (5) for firm fastening of the bath (3) on the baseplate (4) in nonoperating position, a radiating device (6) for the direction of specified electromagnetic radiation (6a) to the bath (3), a bath (3) movement mechanism (7) functionally connected to the baseplate (4) by the first drive unit (8) aimed at moving the bath (3) in relation to the baseplate (4) along the prespecified motion path. The locking mechanism (5) comprises the second drive unit (17) which is used to set the locking mechanism (5) in active position to fix the bath (3) and in nonoperating position to release the bath (3). |
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Fabrication of baffle boards, particularly, for aircraft Invention relates to production of baffle boards. In compliance with this invention, at least one element of foam material is used and coated with green organic composite impregnated with resin and containing carbon fibres. Coat thus produced is, then, perforated. |
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Method and device for activation of antiskid nails engagement system Invention relates to method and device for thermal activation of rubber and metal engagement system of antiskid nails which are embedded into running surface of ready vulcanised tire. Technical result is achieved by device for thermal activation of rubber and metal engagement system of antiskid nails which are embedded into tread of ready vulcanised pneumatic auto tire. Herewith, heating station is provided in the device which station contains pusher furnace filled with saturated vapour. The furnace contains shut-off inlet and shut-off outlet. Note also that there are belt conveyors at entrance and at exit which are intended for charging the pusher furnace with tires and for carrying off processed tires, respectively. The conveyors are made capable to be set in such position where they outstand through open inlet and respectively outlet in the pusher furnace. |
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Method of tire surface fitting for contact with road surface and device to this end Invention relates to pneumatic tire tread. Antiskid stud has base and head. Stud with base is fitted in and glued in stud bore surface. Preliminary, first component of two-component glue is injected into stud bore. After injection, stud coated with second component of two-component glue in fitted in stud bore so that said second glue component gets in active contact with first flue component to get cured. Antiskid stud is glued to bore walls. |
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Mould for drawing and blowing of container from thermoplasts Mould (10) with cam regulator for making undercuts is designed to attach handles in container made of plastic material. Said handle is mechanically attached to container body with the help of undercuts. Cam system (3) allows making the undercuts at air feed step in making the container. Several undercuts in container are made with the help of cam system with several actuators (1, 2) engaged with inserts (16, 17). Said system can be applied to blowing moulds with several moulding cavities. Note here that grooves (14, 15) with pushers (8, 9) fitted therein are shaped to allow different fit-in time or different translation paths or translation speeds of two inserts (16, 17). |
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Method and device for moulding ophthalmic lens with built-in data microcontroller Claimed invention relates to production of ophthalmic lenses with insert including microcontroller and. Proposed method comprises location of insert-medium with microcontroller and power supply nearby the first part of the mould and polyamide elastic link. Then reactive monomer mix is applied to the mould first part. Said insert-medium comprising microcontroller and power supply is paced in contact with said reactive monomer mix. Then, the mould first part is placed nearby mould second part. This allows making the lens cavity with variable optical insert and at least a part of reactive monomer mix in lens cavity. Now said reactive monomer mix is subjected to actinic radiation. |
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Absorbers of uv/visible light for materials of ophthalmological lenses Described are novel derivatives of benzotriazole of general formula , where X is C3-C4 alkenylene, C3-C4 alkylene, CH2CH2CH2SCH2CH2 or CH2CH2CH2SCH2CH2CH2; Y is hydrogen, if X is C3-C4 alkenylene, or Y is -O-C(=O)-C(R1)=CH2, if X is C3-C4 alkylene, CH2CH2CH2SCH2CH2 or CH2CH2CH2SCH2CH2CH2; R1is CH3 or CH2CH3; R2 is C1-C4 alkyl, and R3is F, Cl, Br, I or CF3. |
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Invention relates to processing of plastics. Proposed method comprises preparation of initial material. Note here that, if required, said material is ground and fluidised, heated and continuously mixed at maintenance of lumpiness and looseness. Or, if required, it is degassed, softened and dried. Material viscosity is increased and/or material is crystallised. Prepared material is fused to allow the melt filtration for removal of impurities. Filtered melt is homogenised, degassed and discharged and/or processed. Processing can include pelletised and blown. Note here that said steps follow one after another in said sequence. Besides, this invention covers the plastic processing plant. |
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Method of producing complex shape parts from composites Invention relates to making articles from composites. In compliance with proposed method, preforms of parts to be made are produced by 3D weaving of a continuous fibrous web including continuous series of fibrous blanks. Separate fibrous blanks are cut from said web. Note here that every blanks represents an integral part and includes sections located nearby zones of disconnection of bonds formed in weaving. Cut blank is shaped as required to produce fibrous preform shaped to the part to be made. Note here that shaping comprises bend off/in of said sections located nearby aforesaid zones of bonds disconnection. Preform is hardened in appropriate mould. Hardened preform is compacted at gas phase chemical infiltration into female die. |
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Structural component and method for structural component manufacturing Invention relates to structural component for aircraft or spacecraft including component core passing through component area, the first and the second coatings which are made on two opposite boundary surfaces of component core and pass through component area, a number of squeezed elements which are distributed throughout component area and interconnect the first and the second coatings via component core, and reinforcing strip which passes between coatings along reinforcement line which is virtually parallel to component area. |
Another patent 2513164.