Vehicle tyres and tyre inflation and tyre changing and connecting valves to inflatable elastic bodies in general and devices or arrangements related to tyres (B60C)

B60   Vehicles in general(31835)
B60C              Vehicle tyres (manufacture, repairing b29); tyre inflation; tyre changing; connecting valves to inflatable elastic bodies in general; devices or arrangements related to tyres (testing of tyres g01m0017020000)(2097)
Copolymer, rubber composition with its use and tire // 2629197
FIELD: chemistry.SUBSTANCE: rubber composition comprises a copolymer, a rubber component, at least, one component selected from the group consisting of technical carbon having an average particle size of 5 to 100 nm and silica having an average particle size of 0.5 to 200 nm. The copolymer comprises a monomer unit (a) formed from butadiene, and a monomer unit (b) formed βfrom farnesen. A tire is also described, in which a rubber composition is used.EFFECT: providing a copolymer capable of improving the dispersibility of carbon black and silicon dioxide in the rubber composition with the use of the copolymer as part of the rubber composition, improving the technological properties of the rubber composition during mixing, moulding or vulcanizing, providing excellent rolling resistance and wear resistance with little mechanical strength and hardness deterioration in rubbers on its base.11 cl, 6 tbl, 20 ex
Tire element, hydrogenated polymer based on conjugated diene and polymer composition // 2628603
FIELD: chemistry.SUBSTANCE: tire element is a tire element obtained by subjecting to a treatment for obtaining cross links of a composition containing a hydrogenated polymer based on a conjugated diene and a cross-linking agent. The used hydrogenated polymer based on conjugated diene is a hydrogenation product of a polymer based on conjugated diene which contains structural units derived from butadiene and has a functional group at one end of the chain or at both ends of the chain. The functional group is one or more groups selected from the group consisting of an amino group, an imino group, a pyridyl group, a phosphino group, a thiol group and a hydrocarbyloxysilyl group.EFFECT: tire element is satisfactory with respect to the minimum fuel consumption coefficient and has a higher strength and better abrasion resistance than conventional tire elements.20 cl, 4 tbl, 5 ex

Pneumatic tyre // 2628551
FIELD: automotive engineering.SUBSTANCE: tire tread has a ribbed pattern that includes at least four major grooves (11, 12) and at least five rows of contact areas (10, 20, 30). A plurality of curved grooves (21), each having a curved shape, are formed on an intermediate contact area (20) located on the inside of each main groove (12) of the shoulder region. Each of the curved grooves (21) has one end part opening to the main groove (12) of the shoulder region and the other end part closed on the intermediate contact area (20). Each of the curved grooves (21) consists of the first inclined area of the groove extending from the open end part to the curved part and the second inclined area of the groove extending from the curved part to the closed end part. The direction oriented from the open end part of the first inclined area of the groove to the curved part coincides with the rotation direction (R) and the second inclined area of the groove is bent towards the first inclined area of the groove. The curved part serves as a vertex.EFFECT: uneven wear of the tire is suppressed while driving along a circular path and the increase in noise after wear is prevented.13 cl, 6 dwg, 1 tbl

ethod of constructing removable tread for pneumatic tire and removable tread for pneumatic tire obtained according to this method // 2627890
FIELD: automotive engineering.SUBSTANCE: method includes building a computer model of the chosen tread design, selecting target functions and restrictions on input and output variables, numerically solving the problem of optimizing the objective functions by searching for the extreme value, determining the optimal values of the essential parameters of the tread parts and materials for its manufacture and verifying the possibility of achieving the found in the course of solving the problem of optimizing the values of parameters by computer simulation of the technological processes of manufacturing tread parts and its assembly and calculation of dependencies "composition - properties" of a rubber. As a mandatory objective function in the optimisation phase, the absence of a tread protrusion from the tire surface in the process of a movement during the computer simulation of the movement of the tire with the tread in different modes is selected. The removable tread has a lower surface of curvilinear shape approximated by three radii of curvature R1, R2, R3, the value of which decreases from the center of the tread cross section to the periphery in the ratio 1:0.9:0.8.EFFECT: increase the reliability of fixing the removable tread on the treadmill of the tire by optimizing its design for tires of the specified size.6 cl, 2 dwg

Strengthening layer for the products made from elastomeric material, preferably for pneumatic tyres of the vehicles and pneumatic tyres of the vehicles // 2627889
FIELD: transportation.SUBSTANCE: strengthening layer has the plurality of parallel tire cords, spaced apart, and mentioned tire cords are hybrid cords, composed of at least two multifilaments, twisted with each other. The first multifilament is the viscose multifilament, and the other multifilament is non-metallic multifilament, which consists from the material, that is not identical to the first multifilament. The viscose multifilament was subjected to exposure at environmental conditions, determined by the standard DIN EN ISO 139-1: 2005, and after exposure it has the linear density of the filament <1100 dtex and the tensile strength ≥45 sN/tex. The hybrid cord has the cord linear density ≤3000 dtex.EFFECT: creating from the environmentally friendly material the reinforcing layers in the elastomeric products with high physical properties, in particular its usage in the tires with the relatively low rolling resistance.14 cl, 2 dwg, 1 tbl

Rubber composition for use in the tire protector // 2627853
FIELD: chemistry.SUBSTANCE: rubber composition contains: per 100 wt parts of diene rubber containing 40 wt % or more of butadiene rubber and styrene-butadiene rubber, from 80 to 150 wt parts of silica having a specific surface area of CTAB from 150 to 250 m2/g, a silane compound containing a long chain alkyl group in an amount of 1 to 10 wt % of the amount of silica. The styrene component in the diene rubber is from 15 to 20 wt %, and the vinyl component in the diene rubber is from 18 to 28 wt %. The average temperature of the vitrification of diene rubber is -55°C or lower.EFFECT: invention makes it possible to improve performance on ice, characteristics on wet surfaces and durability before or above traditional levels.5 cl, 1 dwg, 3 tbl

Tire // 2626446
FIELD: automotive industry.SUBSTANCE: on protector (2), a plurality of blocks (70A, 70B, 70C) is arranged separated by circumferential grooves (50) extending in the circumferential direction (L) of the tire and lateral grooves (60) extending in the direction (W) of the tire width. Width (W2) of protector (2) in the direction (W) along the tire width is from 60 to 95% of width (W1) of tire (1) in the direction indicated. The slots location density in central blocks (70A) is more than the slot location density in blocks (70B, 70C) remote from the central blocks in the direction (W) along the tire width.EFFECT: improved wear characteristics and tire protector rolling with preservation of normal performance on ice.14 cl, 3 dwg, 2 tbl

Tire protector and production method // 2626426
FIELD: automotive industry.SUBSTANCE: tire protector (110) comprises a plurality of ribs (122-126) or blocks, a plurality of grooves (142, 144, 146, 148) and a plurality of slots. Each of ribs (122-126) has a length in the circumferential direction, a width in the axial direction; and a radial depth. A plurality of grooves (142, 144, 146, 148) are set by adjacent ribs (122-126) or blocks. A plurality of ribs (122-126), each of which is disposed between two grooves of the plurality of grooves (142, 144, 146, 148) defines a plurality of central ribs (123, 124, 125). A plurality of slots (150) formed in each of central rib (123, 124, 125). Each of slots (150) extends along central ribs (123, 124, 125) without contacting grooves (142, 144, 146, 148), each of slots (150) is straight and angular to the axial direction, where the angle of each slot (150) refers to either the first plurality of angles, where all angles are equal to or more than 0 degrees, and do not exceed 70 degrees; or to the second plurality of angles, where all angles are equal to or more than -70 degrees, and do not exceed 0 degrees. Each slot (150) has a thickness which does not exceed 2.00 mm. Each slot (150) is spaced in the circumferential direction from the adjacent slot to a certain interval of a certain length that does not exceed 20 mm. The interval length ratio to the length of the tire contact area with the support surface that is formed after applying the standard load to the tire with a standard internal pressure is less than 0.062.EFFECT: reduced protector wear rate or improved performance of the clutch force.28 cl, 7 dwg, 1 tbl

Tire with toroidal element // 2626417
FIELD: automotive industry.SUBSTANCE: tire comprises a tread formed in the block of the tire tread and sidewall areas extending from the tread block to the bead areas. Additionally the tire comprises a toroidal element extending through the tire tread block and additionally extending along at least a part of each tire sidewall area. The toroidal element has a central area disposed between the inner and outer areas. The central area is more elastic than the inner or outer areas.EFFECT: increase the tire strength.15 cl, 9 dwg
Device for studying energy losses in pneumatic tires of wheeled vehicles // 2625704
FIELD: automotive industry.SUBSTANCE: device comprises of a removable casing, a duct with a shutoff valve-type mechanism, flanged connection for fixing the device housing to the wheel hub of the vehicle, intra-tire pressure chamber and reference pressure chamber connected to a highly sensitive membrane sensor linked to a lever load cell transducer capable of receiving a measurement signal comprising, at least, one specific parameter of pneumatic tire rolling, and of a data processing module representing an electronic microprocessor converter. The device comprises of a data processing module in which there is a removable storage device for storing data on the measured value when the wheel pneumatic tire is being rolled and a data transfer interface to a computer.EFFECT: improved technical and economic performance of wheeled vehicles and road safety based on the determination of the conformity of the tire types under study to the operating conditions - determination of the optimum rolling surfaces for a particular type of tire in terms of the amount of energy losses.2 cl, 2 dwg

Snow tire // 2625390
FIELD: automotive industry.SUBSTANCE: tire (1) comprises a frame structure (2), structure (6) of the undertread band, applied in a radially outer position to the frame structure (2), and the tread band (7) applied in a radially outer position to the undertread band structure (6). The tread band (7) comprises a vulcanized rubber composition comprising particles of rice husk ash and/or silicon dioxide from rice husk ash with a maximum dimension over 10 my and distribution on the surface more than 10 particles per mm2 of the solid surface of the tread band (7).EFFECT: tire with a good performance on ice when driving in a straight line and with a change of direction.18 cl, 3 dwg, 5 tbl, 2 ex

System and method of mitigation of negative heat effects on electronic instruments for measuring internal pressure in tire // 2625387
FIELD: transportation.SUBSTANCE: thermal pressure measuring unit is connected to the wheel rim. The body is designed to be fixed to the outer surface of the wheel. The housing of electronic devices is installed in the housing. Electronic devices are installed in the casing of electronic devices and are configured to process a signal received from a remote sensor that measures the internal pressure in the tire and the temperature. Internal insulation is installed in the inside of the case. The internal insulation is made with the possibility of lowering the temperature of electronic devices is enough to allow the use of low-temperature electronic devices with nominal 125°C.EFFECT: mitigation of negative thermal effects on electronic devices for measuring internal pressure in the tire.20 cl, 13 dwg

System with controlled adherence of chassis tires // 2625380
FIELD: aviation.SUBSTANCE: for chassis tires adherence, the pressure in the outer tire of the wheel is reduced to the reduced pressure state in response to the non-optimal landing condition of the aircraft, the inner wheel rotor is brought into contact with the external tire in response to the reduced pressure state. Then, a plurality of adherence pins are released so that they protrude from the outer tire in response to the contact of the inner rotor with the outer tire.EFFECT: improved chassis grip during landing on contaminated, wet, covered with snow or ice runways, in emergency situations such as low friction conditions, when conventional brakes on the main chassis can be ineffective.14 cl, 11 dwg
aterial for tire blowouts sealing // 2624298
FIELD: transportation.SUBSTANCE: sealant contains only latex and/or emulsion and non-freezing agent, at that the latex and/or emulsion contains at least one polymer as solid substance, at that the solid substances content is from 20 up to 65% by weight relatively to the total weight of the sealant, and the difference between the specific density of solid substances and specific density of the water mixture and non-freezing agent in the sealant for the tire blowouts is in the range ±0.1.EFFECT: sealant has improved storage stability.13 cl, 4 tbl

Tire with electronic device in its lower side part // 2624175
FIELD: automotive industry.SUBSTANCE: tire includes a pair of bead parts having a bead and a bead filler. The pair of reinforcing fillers has an inner surface, the upper part of which contacts the outer surface of the corresponding bead filler. The middle part contacts the outer surface of the corresponding bent part of the body ply and the lower part contacts the outer surface of a wire reinforcer. The electronic device is located radially below the top of the bead filler of one of the bead parts and axially outside the bead filler. The electronic device is located axially at a distance from the bead filler so that the electronic device does not come into contact with the bead filler.EFFECT: increased reliability of the attachment of the electronic device to the wheel tire without degrading the quality of the tire.21 cl, 5 dwg

Vehicle tire and method for producing vehicle tires // 2623365
FIELD: automotive industry.SUBSTANCE: vehicle tire (1) comprises a tread (2) which is provided with holes (4), at least a part of which comprises inserts (5) mounted therein. The mounted inserts (5) in the direction (CD) along the tire perimeter are significantly bigger in diameter (D), than the diameter (d) of the hole (4), wherein the inserts (5) are mounted so that the insert part (5) farthest in the radial direction of the tire (1) is mounted at the level below the plane (220) of the tread surface (2) or the block (22) of the tire tread (1).EFFECT: improved adherence of the tire tread with road surface and controllability of the vehicle via using soft rubber mixtures in a tread together with sufficient stiffness of the tread pattern in various areas.14 cl, 5 dwg

Tire with slot of essentially helicoid shape // 2623338
FIELD: automotive industry.SUBSTANCE: tire comprises an annular protector having a protector element located thereon. The protector element includes an upper surface that forms the first plane. The tire further comprises, at least, one slot of substantially helicoid shape, located in the protector element, which is formed by the hole in the upper surface extending in the first direction in the first plane, when the tire is new, and is further formed with a base extending in the second direction in the second plane parallel to the first plane. The second direction is located at the angle of 45 to 135° against the first direction.EFFECT: optimized determination of the tire protector wear.14 cl, 15 dwg

Vehicle tire and antislip stud inserted in vehicle tire // 2623320
FIELD: automotive industry.SUBSTANCE: tire tread is provided with antislip studs, where each includes an elongated housing comprising a base flange disposed in the lower area of the opening for the stud, and a leg extending upwards therefrom, and a head made of a material different from the stud housing material, where the pin is disposed within the stud housing and stud extends from its outer end. The pin is elongated and fastened in the stud housing so that it extends inside the stud housing leg and protrudes from the outer end of the stud housing that enables the pin to contact with the road when the tire is in operation. Housing cleat spikes inserted in the tire tread, has an outer end formed with a beveled 2-12, said chamfer disposed at an angle 8-45 degrees to a plane perpendicular to the longitudinal axis of the cleat body and said chamfer are inclined to the tread looking direction of the longitudinal axis of the stud body.EFFECT: improved adherence of the stud with the road surface while reducing its wear.5 cl, 3 dwg

Wheel // 2622733
FIELD: machine building.SUBSTANCE: invention relates to transport machine building. A wheel has a tight rim and a pneumatic tubeless tyre, in the tyre cavity a disassembled support is installed, the support is fixed on the rim surface forming a ring lowering. The support body is made in form of elastomer toroidal enclosure with a ring collard on internal diameter congruent to the ring lowering of the disassembled support.EFFECT: invention ensures simplified tyre installation.4 dwg

Vehicle mover with cross-country capacity (vmwccc) // 2622169
FIELD: automotive industry.SUBSTANCE: mover includes a wheel, the tire of which is made of a solid or filled sponge mass with radial holes in the circumference of the wheel with bushing-type sockets, in which there are movably mounted studs. Each stud is provided with a return spring, a buffer and a support, each of which interacts with one of the eccentrics or in series with all the eccentrics attached to the tubular shaft which is connected to a drive mechanism and a control mechanism. The drive mechanism is designed as a two-row planetary mechanism, and the control mechanism of the studs is made in the form of a worm gear with an electric drive.EFFECT: increased reliability of the mover with a simplified design and a gentle impact on the road surface.2 cl, 2 dwg

Spiked tire // 2621824
FIELD: automotive industry.SUBSTANCE: tire comprises a tread with annular grooves running in the tire circumferential direction and with spur grooves extending in the direction intersecting the annular grooves, the annular grooves and spur grooves limit the sett in which the stud holes are formed. Each sett with a stud hole includes an internal groove from the oncoming side and a separate internal groove from the run-off side separated from it. Each of the two ends of each internal groove is within the sett and all internal grooves are made in an area delimited by two circles of different radius coaxial with the stud hole in the sett. The tire also includes connecting grooves connecting the internal grooves with spur grooves only from the oncoming side of the sett.EFFECT: increased controllability of the vehicle with the adherence of crushed ice to the pointed studs of the tire.4 cl, 10 dwg, 1 tbl
Br-nd wet concentrate // 2621812
FIELD: chemistry.SUBSTANCE: invention relates to BR-Nd wet concentrate comprising neodymium-catalyzed polybutadiene having a high content of cis-1.4 units >95% and a low content of 1.2-vinyl <1%, with a narrow polydispersity of less than 3, with a Mooney viscosity of (ML1+4 100°C) from 30 to 90 EM, with high linearity coefficient (the ratio of solution viscosity to Mooney viscosity) from 3 to 10 mPa/EM and Mooney relaxation in 30 s from 2 to 12%, obtained by polymerization in solution, at least one carbon black, wherein the carbon black has an iodine value (IV) from 85 to 210 mg/g as, measured by ASTM D1510-1304, and an oil absorption number (OAN) from 75 to 150 ml/100 g, measured by ASTM D2414, and oil.EFFECT: improved properties.21 cl, 3 tbl

Tyre for motorcycles // 2621528
FIELD: transportation.SUBSTANCE: invention relates to tyres intended to be mounted on the wheels of motorcycles with medium/large engine displacement (e.g., 600 cm3 or more) and/or high power (for example, 130-140 h.p. or more). The tyre (100) for the motorcycle has a tread band (8) comprising the central annular portion (A) and two arm circumferential portions (B). The portion (A) has a width (M) not exceeding 65% of the band (8) width in the axial direction, and each arm circumferential portion (B) has a width (N) not exceeding 45% of the band (8) width in the axial direction. The band (8) comprises a plurality of grooves and slit-like drainage grooves made with the possibility to form the tread pattern. The portion (A) comprises at least two substantially longitudinal first grooves (18, 19) opposed to each other with respect to the plane (X-X) of the tyre. The first substantially longitudinal grooves (18, 19) extend substantially in the portion (A) and at least partially facing each other so as to limit a part of the tread band in the axial direction, at least partially; the void ratio defined by the slit-like drainage grooves of the portion (A) is less than the void ratio defined by the slit-like drainage grooves of the portion (B).EFFECT: providing the possibility of using the tyre substantially all the year round; the tyre must be able to ensure good grip with the road at low temperature conditions as well, to have the high reliability on wet grounds and at the same time to provide the possibility of achieving the performance characteristics comparable to the performance of typical summer tyres in terms of responsiveness and drivability, steerability, and also in case of the sports driving style without compromising the security.25 cl, 5 dwg
Copolymer, rubber composition with its use, and tire // 2621032
FIELD: chemistry.SUBSTANCE: copolymer comprises monomer units forned by farnesene, a method for obtaining the copolymer, a rubber composition containing the copolymer, and the tire produced with the use of the rubber composition. The copolymer comprises a monomer unit formed by isoprene and a monomer unit formed by farnesene.EFFECT: providing a copolymer capable of improving the dispersibility of carbon black and silicon dioxide in the rubber composition with the use of the copolymer as part of the rubber composition, improving the technological properties of the rubber composition during mixing, moulding or vulcanization, providing excellent rolling resistance and wear resistance with little mechanical strength and hardness deterioration in rubbers on its base.17 cl, 6 tbl, 20 ex

Pneumatic tire // 2620398
FIELD: transportation.SUBSTANCE: on the tread surface there are a plurality of main grooves extending in the circumferential direction of the tread, and a plurality of stripes, bounded with the main grooves and tread edges, wherein the central strip rigidity in the tread circumferential direction is less than the rigidity of the nearby strip adjacent to the central strip from respective sides.EFFECT: tire tread central part wear degree reduction and therefore improved tread adhesion with the support surface.7 cl, 8 dwg, 3 tbl
eans for improving appearance of rubber compositions with antidegradants // 2620397
FIELD: chemistry.SUBSTANCE: rubber composition for a tyre sidewall contains a natural or synthetic rubber polymer, an antidegradant causing plaque formation, and a polyester resin which comprises a copolymer of maleic anhydride or acid and a linear or branched polyol in an amount of approx. 0.1 wt parts to approx. 10 wt parts per 100 wt parts of rubber.EFFECT: invention can improve gloss and the quality of the rubber composition of under tyre operating conditions while maintaining high ozone resistance.11 cl, 4 tbl

Pneumatic tire // 2620035
FIELD: transport.SUBSTANCE: invention relates to the tread design of an automotive studless tire for running on snow-covered and icy roads. Protector is equipped with a row of shoulder blocks along each of its edges. At least in one of the shoulder block rows each shoulder block row comprises at least one lamella extending at an angle of at least 60° relative to the tire longitudinal direction and containing a plane inclined relative to the normal direction to the tread surface; rounded part with an arcuate surface in the tire meridional section smoothly connecting the tread surface and the trapezoidal part surface, and at least one scarcement comprising a top surface extending axially outward of the curved part surface, and a side surface extending radially inward from the axially outer end upper surface. The scarcement has a longitudinal width of from 0.5 to 7.0 mm.EFFECT: invention provides higher vehicle stability while turning in critical conditions on snowy and icy roads, and on dry road surfaces.4 cl, 4 dwg, 1 tbl

otorcycle tire // 2619881
FIELD: transport.SUBSTANCE: motorcycle tire includes a tread provided with first T-shaped grooves and the second T-shaped grooves, spaced and oriented alternately along the tire equator Angles of the main part and the branch part of the T-shaped longitudinal groove with respect to the tire circumferential direction gradually increases toward the tread edges The axial distance between the branch point and the inner end of the main portion is not more than 25% of the axial distance from the tread edge, each mentioned distance is measured along the tread surface of the tire equator The longitudinal distance from the inner end of the main body adjacent to the longitudinal T-shaped groove is from 5% to 15% of the longitudinal length of the first step of the T-shaped grooves.EFFECT: invention improves the stability of the bike when cornering.6 cl, 7 dwg, 1 tbl

Rubber mixtures // 2619696
FIELD: chemistry.SUBSTANCE: group of inventions can be used for the production of moulded items used in parts and elements of pneumatic suspensions, tires, tire treads, cable casings, hoses, drive belts, conveyor belts, tires, shoe soles and shock-absorbing elements. For obtaining rubber mixtures, at least one ACM polyacrylate rubber, at least one oxide or silicate filler or carbon black, at least one epoxysilane, crosslinking agents and vulcanisation accelerators are mixed. The epoxysilane is represented by the formula wherein X - OCH2CH3, RI represents a branched or unbranched, saturated or unsaturated, aliphatic, aromatic or mixed aliphatic / aromatic hydrocarbon group with two bonds and a C1-C30, which is optionally substituted, or an alkyl ether group with two bonds.EFFECT: increase of the dynamic properties of rubber mixtures.9 cl, 1 dwg, 8 tbl

Non-uniformity correction using successive ablation // 2619368
FIELD: medicine.SUBSTANCE: invention relates to systems and methods for determination of at least one ablation profile for selective removal of material from the splint side portions to correct non-uniformity characteristics of a vulcanized splint, such as lateral force variation. Ablation procedure can be determined for a plurality of grooves along the splint side based on the sensitivity data corresponding to the plurality of grooves. At least one ablation profile can be sequentially determined in accordance with the flow chart set by the ablation procedure.EFFECT: sequential determination of ablation profiles can reduce computational resources required to compute at least one ablation profile, and in some cases may reduce ablation time and total splint ablation, sequential determination of ablation profiles may provide lateral force variation correction to rotate the splint clockwise and counterclockwise.15 cl, 20 dwg, 3 tbl
Process for regenerating sulphur-crosslinked rubber vulcanizates to regenerates // 2618766
FIELD: chemistry.SUBSTANCE: regeneration method includes the use of a regenerant selected from the group consisting of dithiophosphoryl polysulfides and silanes containing a polysulfanic group.EFFECT: invention makes it possible to obtain regenerated products with improved rolling resistance and lower compression deformation at compression in vulcanized rubber mixtures.13 cl, 3 tbl
Rubber mixture and pneumatic tire // 2618728
FIELD: automotive industry.SUBSTANCE: rubber mixture comprises 0.5-100 weight percent of reaction product obtained by reacting of a part or all the polymer composed of conjugated diene compound and an aromatic vinyl compound with an anhydride; 0.1-20.0 weight percent of triamine, 5-150 weight percent of silicon dioxide and 100 weight percent of the rubber component. Wherein the reaction product has an average weight molecular weight from 1.0⋅103 to 1.0⋅105, and triamines are compounds of the following formula: wherein each RA, RB, RC, RD and RE, independently represents a hydrogen atom, and ALK1 and ALK2 represent a C1-C12 aliphatic hydrocarbon group.EFFECT: improved abrasion resistance without deterioration in energy use efficiency.10 cl, 3 tbl

Tread comprising relief elements covered with thermoplastic material // 2618576
FIELD: automotive industry.SUBSTANCE: tire tread comprises a number of relief elements (1) with side surfaces (13, 14, 15, 16) and a contact surface (2) designed to contact with the road during tire rolling provided with the mentioned tread, where the contact boundary of the land contact surface (2) forms at least one rib (23, 24, 25, 26). The tread comprises a number of cutouts (3, 4) in the form of grooves and/or incisions, where the mentioned cutouts (3, 4) are bounded with the opposed side surfaces. Each relief element (1) is made using at least one first rubber mixture. The tire tread has, in a sectional view in plane including the tread thickness, at least one surface, defining at least one cutout, covered at least partially with a layer of coating material. The coating material is a thermoplastic polymer composition with Young's modulus over than 100 MPa, wherein the thermoplastic polymer composition comprises at least one thermoplastic polymer with a positive glass transition temperature, poly(p-phenylene)ether ("PPE") and unsaturated functionalized styrenic thermoplastic elastomer ("TPS") with a negative glass transition temperature. TPS elastomer comprises functional groups selected from epoxy, carboxyl, anhydride groups or groups of acid compound ether.EFFECT: improved tire adhesive properties, in particular adherence to a snow-covered road.14 cl, 9 dwg, 1 tbl

Pneumatic tire // 2618358
FIELD: automotive industry.SUBSTANCE: tire includes a frame of at least one layer including the base layer and layer twists, and an axially inner tire groove on the outer surface of the tire between the rim demarcation point and the maximum width position in each sidewall. In the cross-section along the axial direction of the tire, in an unassembled with the rim form α between the intersecting outer rear surface of the bead by a straight line passing through the first intersection and the second intersection with the outer back surface of the bead, and the axial direction of the tire is from 70° up to 100°.EFFECT: reduced weight of the tire and increasing its durability.8 cl, 8 dwg, 2 tbl
Rubber mixture and pneumatic tire // 2618272
FIELD: automotive industry.SUBSTANCE: rubber mixture comprises 0.5-100 weight percent of reaction product obtained by reacting of a part or all the polymer composed of conjugated diene compound and an aromatic vinyl compound with an anhydride; 0.1-20.0 weight percent of tetraamine, 5-15- weight percent of silicon dioxide and 100 weight percent of the rubber component. Wherein the polymer mixture has an average weight molecular weight from 1.0⋅103 to 1.0⋅105, and tetraamines are compounds of the following formula wherein each RA, RB, RC, RD, RE, RF, RG and RH independently represents a hydrogen atom, and ALK represents a tetravalent C1-C6 aliphatic hydrocarbon group.EFFECT: invention allows to improve the abrasion resistance without deterioration in energy use efficiency.10 cl, 3 tbl

Stud for slip protection and method its manufacturing // 2617904
FIELD: automobile production.SUBSTANCE: invention relates to the automotive industry, in particular to a method of a stud for slip protection manufacturing, and the stud for slip protection is designed as one part or several parts of at least one support part and one wearing pin. Thus it is provided that the stud for slip protection and/or the support part and/or the wearing pin are manufactured by powder injection moulding (PIM), in what connection in the powder injection moulding process the wearing pin is deformed by the support part and thereby the undercut is formed.EFFECT: enabled cost-effective production of the large quantities of studs for slip protection with agreed properties with the appropriate use.9 cl, 2 dwg

Tyre for motorcycles // 2617894
FIELD: transportation.SUBSTANCE: invention relates to tyres intended to be mounted on the wheels of motorcycles with medium/large engine displacement (eg, 600 cm3 or more) and/or high power (for example, 130-140 h.p. or more). The tyre (100) for the motorcycles has a tread band (8) comprising the central annular portion (A) symmetrically disposed on either side of the equatorial plane (X-X), and two arm circumferential portions (B) located on the sides opposite in the axial direction relative to the central annular portion (A). The portion (A) has a length (M) in the axial direction, not exceeding 65% of the band (8) scan in the axial direction. Each portion (B) has a length (N) in the axial direction, not exceeding 45% of the band (8) scan in the axial direction. The band (8) comprises a plurality of grooves and slit-like drainage grooves made with the possibility to form the tread pattern. The portion (A) comprises at least two substantially longitudinal first grooves (18, 19) opposed to each other with respect to the plane (X-X) of the tyre. The portion (A) comprises at least one first slit-like drainage groove (20) and the second slit-like drainage groove (22), following one another in the circumferential direction, of which at least one is inclined relative to the plane (X-X) of the tire so as to form an angle α<60°.EFFECT: providing the opportunity for a greater print area and, consequently, a greater adhesion to the soil and providing the safety of driving in cold areas or on slippery roads typical for the winter season, as well as adjusting for use for sport riding on motorcycles with the medium and large engine displacement.26 cl, 5 dwg

otorcycle tire // 2617855
FIELD: transport.SUBSTANCE: tire for motorcycle comprises a tread containing a rubber tread comprising: a central part located in the central zone of a tread comprising the tire equator, a pair of shoulder areas each of which is located on each side and passes from the tread edges, and a pair of middle areas each of which is located between the central and shoulder areas on either side of the tire equator. The central, middle and shoulder areas satisfy the following relations: E*1<E*2<E*3, 0.9tan1/tan21.1≤δδ≤, and≤δδ≤ 0.9tan2/tan31.1, where E*1, E*2 and E*3 are the complex modules of the central, middle areas and a shoulder area elasticity, respectively, and tan1δ, tan2δ and tan3δ are loss angles tangents of central, middle and a shoulder areas, respectively.EFFECT: invention provides higher driving stability and driving comfort.4 cl, 3 dwg, 3 tbl
Rubber composition and tyre // 2617481
FIELD: chemistry.SUBSTANCE: rubber composition comprises a rubber component (A), farnesene polymer (B) and silica (C). The rubber composition comprises a rubber component selected from the group consisting of styrene butadiene rubber, natural rubber and isoprene rubber, and 0.1-100.0 wt parts of farnesene polymer and 0.1-150.0 wt parts of silica per 100 wt parts of rubber component. Silica has average particle size of 0.5 to 200 nm.EFFECT: invention allows to improve rubber composition processability, to reduce rolling resistance of rubber by improving silica dispersibility in the composition.13 cl, 7 tbl

Agricultural harvesters // 2617316
FIELD: agriculture.SUBSTANCE: agricultural harvester which has at least one axle fitted with tyres and at least one additional axle fitted with tyres and can be operated as a slave or leading axle with the ability to disconnect or connect the all-wheel drive and the pressure control system in the tyres which comprises changing means for the tyre pressure and the control unit. At least one additional axle is fitted, for example, with the tyres, the pressure in which is increased at connecting the all-wheel drive as compared with the state of the off-wheel drive due to the fact that the control unit detects connection or disconnection of the all-wheel drive and initiates the pressure change in the tyres by using the pressure control therein.EFFECT: invention allows to use different types of tyres with different ride properties.8 cl, 2 dwg

Pneumatic tire // 2616483
FIELD: transportation.SUBSTANCE: when looking on the tire, which is mounted on a predetermined rim, inflated to an internal pressure of 50 kPa, and placed in the unloaded condition, at the section from the meridional direction of the tire, the place corresponding 1.30×Hf, on the outer surface of the part representing the sidewall, by taking the rim bead height (Hf), which is the predetermined rim, as a measurement reference, is defined as a point (P), the base of the normal (L), drawn from the point (P) to carcass line in the main part (131) of the casing layer (13), is defined as a point (M) and the point of normal intersection (L) and the carcass line in the bent part (132) of the layer (13) is defined as a point (T). The distance (a) mm between the point (M) and the point (T), the distance (b) mm between the point (T) and the point (P) and a predetermined load (x) kN are in such a ratio that a=0.019×x+13.3 and b=0.052×x+21,6, with a tolerance of not less than 0% and not more than 20%.EFFECT: increased strength of tire.15 cl, 5 dwg

Tire with laminated layer // 2616479
FIELD: transportation.SUBSTANCE: tire comprises a pair of side walls, a peripheral tread made of a base rubber, comprising a plurality of grooves, forming a plurality of tread elements including slots. The polymer laminated layer is placed on a peripheral tread and the polymeric laminated layer covers a plurality of grooves, the upper surface of the tread elements plurality, slots. This polymer laminated layer is placed on the vulcanized tire and has better grip with snow than the base rubber.EFFECT: improved grip with the road surface.15 cl, 6 dwg

Installation for vehicle wheels service // 2615839
FIELD: transportation.SUBSTANCE: invention is designed for balancing the wheels and tires for the replacement. The installation comprises a spindle (1), which is supported rotatably on the frame (2) of the machine and adapted to the installation and removal of the assembly tire-rim or the vehicle wheel rim to it or from it, means (3, 4) measuring imbalance operably coupled with spindle (1) and having at least one area (12, 12a, 12b) measuring the unbalance, which determines the forces generated by assembly imbalance (8, 9) tire-rim, or the rim (9) of the wheel; means (5, 6, and 44) of the tire changer, based on the base frame (2) of the machine and adapted to mount the tire on the rim and removing the tire from the rim.EFFECT: invention improves the accuracy of wheel balancing.11 cl, 11 dwg
Emulsion coagulant // 2615702
FIELD: chemistry.SUBSTANCE: emulsion coagulant contains: a component (A) having a particle size of from 35 to 100 microns and containing, at least, one type selected from the group consisting of aluminum oxide, magnesium oxide and silicon oxide; propylene glycol alginate; and a component (B) containing, at least, one type selected from the group consisting of calcium oxide, calcium chloride, calcium acetate and urea. Herewith the amount of the component (B) is of 3 to 30 wt % of the total amount of the component (A), propylene glycol alginate and the component (B).EFFECT: emulsion coagulant can be used for rapid material coagulation for sealing a puncture in the tire with extremely low ambient temperature.7 cl, 11 tbl

Tire with low metal content // 2615074
FIELD: transportation.SUBSTANCE: invention relates to design of wheel tires for vehicles. Tire includes a layer of frame and at least one ring structure connected to the frame layer. The tire additionally includes an area of metal-free ring breaker comprising the first metal-free layer of the breaker and the second metal-free layer of the breaker. The tire also comprises a metal-free screening layer of the breaker placed radially outside the first metal-free layer of the breaker and the second metal-free layer of the breaker. The tire also comprises a metal-free ring tread that contacts with a road, and a pair of sides connected to at least one ring structure and the metal-free ring tread.EFFECT: improved operating properties of a tire.20 cl, 8 dwg, 4 tbl
ethod for producing rubber mixture, rubber mixture and pneumatic tyre using it // 2614680
FIELD: chemistry.SUBSTANCE: invention relates to a process for obtaining a rubber mixture. The mixture consists of a rubber component (A), a filler comprising an inorganic filler, (B), a silane coupling agent (C) and at least one vulcanisation accelerator (D). Component (A) comprises at least one member of natural rubbers and synthetic diene rubbers. Vulcanisation accelerator (D) is selected from guanidines, sulfenamides, thiazoles, thiurams, dithiocarbamates, thioureas and xanthates. In the process the rubber mixture is kneaded in several stages. During the first kneading step (X) a part (A') of the rubber component (A), all or part of inorganic filler (B), all or a part of silane coupling agent (C) and all or part of a vulcanization accelerator (D) are added and kneaded. During or after the second kneading stage a residual part (Aʺ) of rubber component (A) is added and kneaded.EFFECT: invention provides a reduction in heat generation as a result of a further improvement in activity of glazing function of silane coupling agent.41 cl, 2 tbl, 22 ex

Pneumatic tire // 2614413
FIELD: machine building.SUBSTANCE: invention relates to a pneumatic tire. Pneumatic tire contains tread (1), having contact surface (5), which comes into interaction with road surface during tire rotation, and pair of side walls (3) forming tire side surfaces and passing from tread (1) to inside in radial direction. Each side wall (3) has external surface (7), passing from contact surface (5) edge to corresponding side wall (3) in direction along tire width, wherein polygonal blocks (11) are made on outer surface (7), limited by grooves (9). On each of polygonal blocks (11) external surface on each side wall (3) first auxiliary grooves (13) are made, passing in direction along tire width, so, that said first auxiliary grooves (13) both ends are opened to grooves (9), restricting polygonal blocks (11).EFFECT: technical result is creation of pneumatic tire with improved resistance to lateral slip on snowy and icy road surface.5 cl, 3 dwg, 1 tbl

Tire and method to make tire // 2614402
FIELD: transportation.SUBSTANCE: tire is made with a ring reinforcing layer formed by rubber strips wound along the spiral in the same direction from different places arranged in the direction along tire width. Rubber strips (12A and 12 B) are arranged with clearances on the part of the tire or along the entire tire in direction along width. Together with end sections of rubber strips, at least the middle end sections (12Bs and 12Ae), located on the side of the equatorial plane of the tire, are located in areas, where the middle end sections are fully covered with the units (2a) of the tread in the form of a rib in direction along tire width, and width of tread units in the form of a rib covered with the middle end sections is defined as W, and the width of rubber strips is defined as G (mm), at the same time the ratio G<W is met.EFFECT: reduced frequency of cracks in grooves in all tires, which contain a circular reinforcing later wound along spiral.7 cl, 2 dwg, 1 tbl

Thick protector for construction machinery // 2614401
FIELD: transport.SUBSTANCE: invention relates to automotive tire. Tread comprises blocks (3) in the central part and the boundary edges (2, 4). Every boundary edge (2, 4) has numerous deepenings (21, 41) forming saddles. Each saddle is limited by the walls oriented in the transverse direction over its entire height, and the wall, oriented in the circumferential direction. Each saddle (21, 41) has a geometry suitable for receiving at least the end part of the central zone with the backlash Ac (measured in the circumferential direction) and the transverse gap AT (as measured in the transverse or axial direction). These Ac and AT gaps are determined so as to ensure that under normal operating conditions of the tire provided with the noted tread, the end part (302, 304) of the block central zone will be at least partially in contact with at least one of the walls of each saddle (21, 41) oriented in the transverse direction, thereby preventing the contact of each of the blocks (3), the ends of which are locked in these recesses, with the adjacent blocks of the central row.EFFECT: invention provides an improved tire traction characteristics with the ground, as well as increase strength and the tire tread durability.7 cl, 4 dwg

Tread containing sculptural elements coated with impregnated fibers compound // 2614375
FIELD: transportation.SUBSTANCE: tread for a pneumatic tyre comprises a plurality of sculptural elements, including the lateral sides and the contact surface intended for performing the contact with the road during the movement of the pneumatic tyre provided with said tread. At least one edge forms the contact boundary of the contact surface with the road. A plurality of cutouts in the form of a track and / or a cut also is represented, wherein said cutouts are bounded by the lateral sides disposed opposite one another. Each sculpture element is formed by at least one first rubber mixture called basic mixture. In the sectional view of a plane normal to the rotation axis of said pneumatic tyre and intersecting at least one contact surface sculptured element, wherein one of the cutouts adjacent to said contact surface is coated, at least partially, with the coating layer. The coating layer comprises a plurality of woven or non-woven fibers that are long fibers with the length greater than 50 mm.EFFECT: improved characteristics of pneumatic tyres on wet surfaces.32 cl, 9 dwg, 3 tbl
 
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