In which the raised area of the pattern consists only of isolated elements, e.g. blocks and and (B60C11/11)

B60   Vehicles in general(31835)
B60C11/11                     In which the raised area of the pattern consists only of isolated elements, e.g. blocks (b60c0011120000, b60c0011130000 take precedence);;(124)

Pneumatic tire // 2640917
FIELD: automotive engineering.SUBSTANCE: pneumatic tire (1) includes transverse connecting grooves (3, 3a, 3b) and circumferential grooves (4). In the shoulder area of the protector part, a transverse connecting groove (3A) is located between the two V-shaped cross grooves (2A, 2b), neighbouring in the direction along the tire circumference, and runs from the tire edge in the direction of the equatorial plane (CL) of tire. In the central area of the protector part, the transverse connecting groove (3a) communicates with the V-shaped cross groove (2b) from the protruding side of the V-shaped profile of the pair of V-shaped cross grooves (2a, 2b) and does not communicate with the other V-shaped cross groove (2a) from this pair. The circumferential grooves (4) are located in the shoulder area of the protector portion and extend in the circumferential direction of the tire, and communicate with the V-shaped cross grooves (2) and the transverse connecting grooves (3).EFFECT: improved braking performance when driving on snow and performance when driving on wet roads.30 cl, 6 dwg

Pneumatic tire tread and pneumatic tire with such tread // 2640666
FIELD: automotive engineering.SUBSTANCE: on the front walls (52, 53) of each block (5) of the tread (1) there are reinforcement sections (6) provided on the tire, where both angles (T1, T2) formed by two front walls having reinforcement sections (6) and an upper surface of the block are less than 90 degrees.EFFECT: improvement of tire performance on ice and snow.14 cl, 5 dwg, 1 tbl

Pneumatic tire // 2639922
FIELD: transportation.SUBSTANCE: pneumatic tire (1a) in the central area comprises an equatorial plane wherein the first set of blocks (16a) is located, separated and formed by two first longitudinal grooves (24) and a plurality of the first transverse grooves (26a). The second set of blocks (20a) separated and formed by one second longitudinal groove (28) and a plurality of the second transverse grooves (30a) is located at the outermost portion in the transverse direction of the tire on each side in the transverse direction of the tire. An edge (22) is located between the first set of blocks (16a) and the second set of blocks (20a). The edge (22) is separated by at least one third longitudinal groove (32), wherein a plurality of slit-like cuts (34a) are formed in the first set of blocks (16a), the second set of blocks (20a) and the edge (22).EFFECT: improving the tire performance when braking on ice, while minimizing any reduction in performance when braking on snow.12 cl, 7 ex, 1 tbl

Pneumatic tire // 2639840
FIELD: automotive engineering.SUBSTANCE: pneumatic tire (1) comprises a plurality of small blocks (20) which are defined and formed by a plurality of rectilinear longitudinal narrow grooves (16) and a plurality of transverse narrow grooves (18) which are in communication with the longitudinal narrow grooves, and the rows (22) of small blocks with small blocks aligned along the longitudinal direction of the tire and formed between the adjacent longitudinal narrow grooves. Each of the small blocks has a surface area which is different from the surface area of at least one small block relating to the adjacent row of small blocks on at least one side with respect to the lateral direction of the tire and having an overlap area in the tire transverse direction (CA). Small blocks have a surface area of at least 20 mm2 and no more than 400 mm2. The tire also comprises one longitudinal main groove which is wider than longitudinal narrow grooves, and a plurality of lug grooves which are wider than the transverse narrow grooves.EFFECT: improvement of tire braking performance on ice, improvement of steering stability on snow.9 cl, 8 dwg 1 tbl

Pneumatic tyre tread and pneumatic tyre with this tread // 2630043
FIELD: automotive engineering.SUBSTANCE: tread provides a reinforcing part (7) on the side walls (52, 53) of the block (5) of the tread (1) of tyres, forming frontal surfaces. The difference (G) of distance (Rt), measured from the axis of tyre rotation to the farthest from the center side of the upper block surface, and distance (Re), measured similarly from the axis of tyre rotation to the edges of the two frontal surfaces, ranges from 0.2 mm to 2.0 mm in the new product. The distance from the axis of rotation to any point in the zone of the upper surface of the block, except for the edge of the frontal surface, exceeds the distance (Re). The distance from the part on the farthest from the center side of the reinforcing part to the edge of the frontal surface, measured in the radial direction, does not exceed 2.0 mm.EFFECT: improved performance while driving on ice and improved performance while driving in snow.11 cl, 5 dwg, 2 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

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

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

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

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

Tire tread with material gripping (versions) // 2613120
FIELD: manufacturing technology.SUBSTANCE: invention relates, substantially, to tire tread. More specifically, object of present invention relates to tire or tire tread, containing element with material gripping. Tire has radial direction, axial direction, direction along circumference and tire grouser (220), wherein grouser (220) is limited by plurality of surfaces (230). Plurality of surfaces (230) comprises upper surface (232), which passes in axial direction and in direction along circumference, first side surface (233) and second side surface (234). First side surface (233) is oriented at first angle (φ) to upper surface (232), wherein first angle (φ) ranges from 100 to 150 degrees. First side surface (233) contains first side surface first cavity (242) and has height (H1) and width. First cavity (242) represents elongated rectangular slot forming first elongation axis. First cavity (242) has lateral cross section perpendicular to first elongation axis, which is, essentially, semicircular, semioval, semi-elliptical, parabolic or hyperbolic. First cavity (242) has length from 30 % to 120 %, inclusive, of first side surface (233) width. Second side surface (234) is oriented at second angle (ψ) to upper surface (232), wherein second angle varies from 100 to 150 degrees. Second side surface (234) contains second side surface (234) first cavity (252), and has height (H2) and width. Second side surface (234) first cavity (252) represents elongated rectangular slot, forming second elongation axis. First cavity (252) has lateral cross section perpendicular to second elongation axis, which is, essentially, semicircular, semioval, semi-elliptical, parabolic or hyperbolic. First cavity (252) has length from 30 % to 120 %, inclusive, of second side surface (234) width.EFFECT: creation of tire tread, which is made with possibility to grip significant amount of road bed material by tire tread.5 cl, 11 dwg

Radial tire for agricultural equipment // 2613098
FIELD: agriculture.SUBSTANCE: pneumatic tire is made with radial layer for agricultural equipment, has permissible load "IF" in compliance with standards of Association on tires and discs. Tire has two radial layers of housing, reinforced with organic cord, as well as two breakers reinforced with steel. Tread pattern is of ribbed type has multiple relatively wide parallel longitudinal ribs, separated with relatively narrow lengthwise grooves.EFFECT: high strength of tires for agricultural equipment.26 cl, 6 dwg, 2 tbl

Pneumatic tire // 2610737
FIELD: transportation.SUBSTANCE: longitudinal narrow grooves (16) are placed with density of at least 0.06 groove/mm and not more than 0.2 groove/mm in transverse direction of the tire. Narrow grooves (20) in the transverse direction stretch at the angle of at least -45° and not more than +45° in respect to the transverse direction of the tire. Longitudinal narrow grooves (16) have at least one bent section. Angle of bent section bending is at least 40° and not more than 160°.EFFECT: improved characteristics of braking and turning on ice.17 cl, 6 dwg, 1 tbl

Pneumatic tire // 2610736
FIELD: transportation.SUBSTANCE: longitudinal narrow grooves (18) are placed with density of placement in transverse direction of the tire from 0.06 groove/mm to 0.2 groove/mm. Narrow grooves (22) have at least one bent section in the transverse direction. Angle of bent section bending is at least 40° and not more than 160°.EFFECT: improved characteristics of braking on ice, snow and water drainage.11 cl, 5 dwg, 1 tbl

otorcycle tire // 2607854
FIELD: machine building.SUBSTANCE: tire tread comprises inner inclined main grooves arranged on each side of tire equator in staggered order, inclined axially outward in direction corresponding to specified direction (R) of rotation, at angle from 5 to 30° relative to longitudinal direction, and inner end (Ai) of every said groove is located at distance from 0 to 30 % of half tread width (W) from tire equator. Also there are external inclined main grooves 11 located at each side from tire equator in staggered order, inclined axially outwards in direction opposite to specified direction of rotation, at angle from 10 to 60° relative to longitudinal direction, and inner end (Bi) of every said groove is located axially inside from outer end (Ao).EFFECT: improved roll characteristics without deterioration of tire adhesion and durability characteristics.4 cl, 6 dwg, 1 tbl
otorcycle tire // 2607524
FIELD: machine building.SUBSTANCE: tire tread comprises first and second areas, divided by tire equator. Tread is provided with first inner inclined grooves arranged in first area, and second inner inclined grooves arranged in second area. First and second inner inclined grooves are arranged alternately in tire lengthwise direction. Inner inclined groove passes from axially-inner end Ai in direction opposite to specified direction of rotation, to axially-external end Ao at angle α from 0 to 20° relative to tire lengthwise direction. Tread is also equipped with first external inclined grooves arranged in first area, and second external inclined grooves arranged in second area, and first and second outer inclined grooves are arranged alternately in tire lengthwise direction.EFFECT: improved tire movement performances while turning without deterioration of other characteristics.6 cl, 6 dwg, 3 tbl

Pneumatic tyre // 2607491
FIELD: machine building.SUBSTANCE: invention relates to automotive industry, in particular, to a winter tire tread pattern. Pneumatic tire comprises annular grooves, multiple transverse grooves and longitudinal grooves, communicating between transverse grooves on outer side of the annular grooves in a tire width direction. Each transverse groove includes the first part of the transverse groove, the second part of the transverse groove located farther outward in a tire width direction than the first part of the transverse groove, and a transition part of the transverse groove connecting the first and the second parts of of the transverse groove. Centre of the groove in width of the outer end in a tire width direction, the first part of the transverse groove is located closer to one peripheral side of the tire, than the centre of the groove in width of the inner end in a tire width direction, the second part of the transverse groove. Longitudinal grooves are inclined relative to tire circumferential direction to the opposite side, on which a transition part of the transverse groove passes. End on one circumferential side of the tire of each longitudinal groove is connected with a section, where the second part and the transition part of the transverse groove on one peripheral side of the tire are connected together. End on the other circumferential side of the tire of each longitudinal groove is connected with a section, where the first part and the transition part of the transverse groove on the other peripheral side of the tire are connected together.EFFECT: technical result is improvement of drainage characteristics at good operational features on snowy and icy roads.5 cl, 3 dwg

Pneumatic tyre // 2605219
FIELD: machine building.SUBSTANCE: invention relates to a pneumatic tire. Pneumatic tire comprises a tread, multiple strips on the tread confined by a main circular groove passing in circumferential direction of the tire, multiple blocks on the shoulder tread strip which is most remote outward in the direction over the tire width. Blocks are confined by multiple narrow grooves with width which is less than the width of the main circular groove, and auxiliary groove, width of which increases outward in the direction over the tire width in the zone not adjacent to the main circular groove. Auxiliary grooves enter the main circular groove, and on entry into the main circular groove there is a head width of which exceeds minimum width of the auxiliary grooves. Surface area of each block of the tread is 100-200 mm2.EFFECT: better adhesion and braking characteristics during driving over ice without deterioration of drainage properties.9 cl, 10 dwg, 1 tbl

Tread comprising inclined units // 2603880
FIELD: motor vehicle industry.SUBSTANCE: invention relates to automotive industry, particularly, to winter tire tread. Tread comprises plurality of units (3) with height H. Each unit has contact surface (7) intended for contact with road during pneumatic tire movement, and at least side surface (5a, 5b). This side surface is coated with covering material layer (10), at least, on 50 % of surface. Unit comprises attack zone, intended for implementation of primary contact with road during pneumatic tire movement. This unit (3) has inclined direction of extension (J), so that attack zone of this unit is angle of attack (9). Besides, unit (3) contains part (11), not coated with coating material, wherein said coating material has modulus of elasticity, which exceeds unit forming rubber material modulus of elasticity, and this uncovered part (11) stretches from angle of attack, at least for 1/3 of unit height H.EFFECT: better tire adhesion on snow-covered road at reduction of noise.4 cl, 5 dwg

High-capacity pneumatic tyre // 2601992
FIELD: motor vehicle industry.SUBSTANCE: present invention relates to automotive industry, in particular, to pneumatic tires. High-capacity pneumatic tire comprises tread, two circumferential grooves, plurality of transverse grooves and tread sett. Sett is equipped with two small grooves, having average depth less than circumferential grooves. Grooves average depth makes more than 20 % and less than 80 % of circumferential grooves depth. Two of small grooves extend into one of transverse grooves and circumferential grooves. One of other small grooves extend into each of two small grooves.EFFECT: achieving better removal of dirt around sett center.9 cl, 8 dwg

Pneumatic tyre // 2601504
FIELD: manufacturing technology.SUBSTANCE: invention relates to a pneumatic tyre with a slot (narrow groove) made inside a unit. Pneumatic tyre comprises a unit, divided by multiple annular grooves running along circumferential direction of tyre, and multiple grouser grooves passing diagonally relative to tyre circumferential direction and equipped with two or more curved sections. Tyre also comprises an inclined narrow groove, which divides unit, passes diagonally relative to tyre circumferential direction and parallel to said grouser grooves. Inclined narrow groove is provided with two or more curved sections inside one unit.EFFECT: improved tyre performance when moving on ice, preventing formation of a water film and local wear.8 cl, 11 dwg, 1 tbl

Pneumatic tyre // 2601092
FIELD: machine building.SUBSTANCE: present invention relates to automotive industry, in particular, to pneumatic tires. Pneumatic tire with the pre-set direction of rotation comprises a tread. Tread comprises two side walls, a pair of beads, a ledge and a recess on thee tread side surface. Ledge includes a surface with a steep inclination and a surface with a moderate inclination. Recess opens on the tread surface, it is lowered from the tread side surface and is independent of the ledge.EFFECT: better pneumatic tire adhesion with a snow-covered road.5 cl, 5 dwg

Pneumatic tyre // 2599856
FIELD: equipment and accessories for vehicles.SUBSTANCE: invention relates to a pneumatic tyre with a tread pattern. Tread pattern comprises a set of main grooves, multiple grouser grooves containing multiple central and intermediate grouser grooves to form a plurality of central and intermediate blocks of the contact surface, respectively. Herewith each of two internal main lengthwise grooves comprises first and second walls of the groove facing the first wall of the groove. Each of two external main lengthwise grooves includes a pair of the first or the second walls of the groove facing each other.EFFECT: provided is balance between wear resistance on dry road surfaces and stable steering on wet road coat, as well as stable steering on snow.16 cl, 13 dwg, 2 tbl

Pneumatic tyre // 2596646
FIELD: machine building.SUBSTANCE: invention relates to automotive industry, particularly discloses a winter tyre tread. Tyre tread comprises area of contact with soil, separated by at least two longitudinal grooves extending continuously in tyre lengthwise direction, transversal grooves crossing lengthwise groove to form a row of blocks containing units arranged in tyre lengthwise direction. At least one unit contains at least two segments extending in tyre axial direction and separating unit at least into three parts, including outer and inner part, where total axial length of all segments is from 100 to 400 size of width of tyre tread. Outer part has is longer than inner part, and ratio of the longitudinal length of outer part to longitudinal length of inner part is more than 1.0, but less than 3.0.EFFECT: technical result is improved resistance to uneven wear of tyre tread with preservation of running characteristics on icy roads.8 cl, 6 dwg, 1 tbl

Tyre for heavy load vehicle wheels // 2595728
FIELD: equipment and vehicle accessories.SUBSTANCE: tyre comprises tread (2) provided with blocks (201-204) formed between longitudinal (205-207) and transverse grooves. Between blocks particularly broad intersections (212) are formed, for example by staggering substantially transverse grooves of circumferential rows axially in side-by- side relationship, of blocks with rounded corners. Inside such broad intersections (212) a stocky-shaped protrusion (216) is arranged which has a lateral stiffness greater than lateral stiffness of surrounding blocks (201-204).EFFECT: better grip on asphalt roads, and off-road in terms of road grip, comfort and noise level.12 cl, 5 dwg

Pneumatic tyre // 2595098
FIELD: machine building.SUBSTANCE: invention relates to automotive industry. Proposed tire comprises support elements, each being provided with row of ledges arranged in tire lengthwise direction. Ledge has radial outer surface of wall extending from surface of support element, radial inner surface of wall extending from surface of support element, and top surface extending between radial wall inner surface and radial external surface of wall. Radial outer surface of wall begins to rise from surface of support element at certain distance from tread edge so that minimum radial distance Kmin from tread edge to ledges makes from 5 to 15 mm.EFFECT: technical result is improvement of characteristics of movement on snow-covered roads.4 cl, 7 dwg, 2 tbl

Pneumatic tyre // 2589192
FIELD: machine building.SUBSTANCE: invention relates to automotive industry and concerns an all-season tyre tread. Tyre comprises multiple main lengthwise grooves (21-23) extending in longitudinal direction of tyre, as well as multiple surfaces for contact with road surface (31-34), separated and formed by said main lengthwise grooves (21-23) in area of tread. Each of said surfaces for contact with road surface (31-34) has multiple recesses (312-342) respectively. At least 90 % of recesses (312) and (322) located in inner area are two-dimensional recesses and not less than 90 % of recesses (332) and (342) located in external area are three-dimensional recesses. Number N_in of lug grooves (311) in shoulder surface of contact with road surface (31) on side of inner area and number N_out of lug grooves (341) in shoulder surface of contact with road surface (34) on side of outer area relate so that N_in > N_out.EFFECT: technical result is improved stability on dry, and on snow-covered road surface.8 cl, 7 dwg

Pneumatic tyre // 2588329
FIELD: machine building.SUBSTANCE: invention relates to machine building, particularly, to tires. Pneumatic tire comprises tread with web sections, each having a slot-like groove. Slot-like groove includes perpendicular section and section of bend, bending along perpendicular section in direction perpendicular to one side, and then to other. Bending section includes in direction on depth first point of additional bend, main point of curvature and second point of additional bend. First and second inclined sections have areas and ratio between their areas and projection area for slot-like grooves. Ratio for first and second inclined sections are not less than 0.1.EFFECT: better braking characteristics due to suppression of deformation of sections of links and improvement of properties of landing on ground is achieved.10 cl, 10 dwg, 12 tbl

Pneumatic tyre // 2587774
FIELD: motor industry.SUBSTANCE: invention relates to automotive industry, in particular, to non-studdable tire with tread asymmetric pattern, designed for all operating conditions. External central main longitudinal groove passes in zigzag pattern and consists of alternating small and large pieces. Large pieces of grooves are inclined at angle from 5 to 30° relative to tire lengthwise direction. Inner central main longitudinal groove is widest among main lengthwise grooves. Outer mid transverse grooves are widest among transverse grooves. Distance Li from straight line width of the inner central main lengthwise groove to tire equator is less than distance from central line zigzag amplitude Lo from external central main lengthwise groove to tire equator.EFFECT: technical result is improved running characteristics of tire on dry and wet road surfaces without deterioration of on snowy and icy roads.8 cl, 3 dwg, 1 tbl

Pneumatic tyre // 2585194
FIELD: motor industry.SUBSTANCE: invention relates to tire tread design intended for movement over ice and snow. Tyre (1) is made with multiple circular main grooves (21, 22) passing in direction along tire circumference and multiple contact sections (31, 32), separated by circular main grooves (21, 22). Contact areas (31, 32) are made with multiple auxiliary sipes (52). When viewing tread auxiliary sipes (52) have curved shape, formed by connection of first bent sections (521) and second curved sections (522). Depth (Dg) of grooves, which have circular main grooves (21, 22), and depth (Ds_1) slot-like drain grooves, which have first curved sections (521), and depth (Ds_2) slot-like drain grooves, which have the second curved sections (522) auxiliary Sipes (52), have ratio of 0.5≤s_1/Dg≤1.0 and 0.2≤Ds_2/Ds_1≤0.5.EFFECT: improved braking performance of tyre on ice and improving driving stability on snow when moving.21 cl, 19 dwg, 1 tbl

Tyre // 2584637
FIELD: motor industry.SUBSTANCE: invention relates to automotive industry. Tire (1) has multiple projections (500) at groove (50B2) bottom. Projections (500) pass from one sidewall (50B1) to other side wall (50B3), wherein side walls form groove. Projections (500) are located in groove with preset intervals. Lateral grooves (60) pass from side of tread (9) and have outputs (60a) into it. Air supply facilities (100R) supply air in lateral (60) grooves.EFFECT: reduced tire heating.6 cl, 20 dwg

Pneumatic tire // 2581978
FIELD: motor car construction.SUBSTANCE: tire tread comprises one or several main grooves extending in the tire circumference and multiple side grooves extending in the tire width between the main grooves and/or between the main groove and the tread end. Note here that the main grooves and side grooves define the number of units with at least one narrow cutout in every said unit. Every unit has the first cut out groove with one end exposed to side groove located at one side of the unit in the tire circumference and the other end terminated inside the unit. The second cut put groove has its one end exposed to the side groove arranged at the unit opposite side in the tire circumference. The opposite end terminates inside the unit. There is the connection narrow groove in width smaller than that of the first and second cut out grooves to connect the both said first and second grooves.EFFECT: better performances on ice.7 cl, 5 dwg, 1 tbl

Rain tire with high operating performances // 2581098
FIELD: transport.SUBSTANCE: invention relates to automotive industry. Claimed tire comprises tread band (2) with inner part (5), outer part (6) and central zone (7). Said tire band (2) has two circular grooves (11, 12) in said inner part (5), central circular groove (10) and multiple inner crosswise grooves (15) and multiple outer crosswise grooves (20). Inner crosswise grooves (5) comprise the central inner section (16) to make the angle (A relative to equator plane (X) making some minus 95 degrees to minus 135 degrees. Outer crosswise grooves (20) comprise the central inner section (21) to make the angle (D relative to equator plane (X) making some plus 125 to plus 165 degrees.EFFECT: better grip on wet road under maximum load.31 cl, 2 dwg

Pneumatic tyre // 2578702
FIELD: motor industry.SUBSTANCE: invention relates to automotive industry and a tyre tread intended for snow, ice and wet roads. On surface of tyre tread there are blocks (18) located in central zone (22), tread having a width of X% (30≤X≤70) of width TW of tread contact zone with tyre equatorial line C as a center, formed elongated in tyre circumferential direction, so that ratio (S1/S2) of block sizes is not less than 1.5. At least one end of sipes (20), defined in longitudinal direction of sipes (20) made in blocks (18) is connected to longitudinal groove (14). Protrusion (30) and recess (32), which can contact interact with each other, are made on surfaces of walls of sipes, which face each other, forming sipes (20), in end in longitudinal direction of part of sipes (20), which is connected to longitudinal groove (14).EFFECT: technical result is improved characteristics of tyre adhesion with snow-covered, icy and wet road surfaces while maintaining stability on dry road surfaces.13 cl, 16 dwg, 4 tbl

Pneumatic tire // 2575335
FIELD: motor car construction.SUBSTANCE: tread pattern comprises two first main lengthwise grooves, shoulder surfaces of contact with the road surface and shoulder grouser grooves, shoulder cutouts and narrow lengthwise grooves. Note here that said shoulder grouser grooves converge at the centre, in the area of the shoulder surface of contact with the road surface, without connection with the first main lengthwise grooves. Said grooves comprises the first and second areas located closer to the first main lengthwise grooves than the first areas and feature the depth smaller as compared with the first areas. Shoulder cutouts are coupled with the second areas to extend to the first main lengthwise grooves. The narrow lengthwise grooves extend in lengthwise direction of the tire and feature the width smaller than that of the shoulder grouser grooves. Said narrow lengthwise grooves intersect the second shoulder grouser grooves.EFFECT: perfected balance between wear resistance on dry road surface, stable steering on wet surface and stable steering on ice.12 cl, 10 dwg, 9 tbl

Heavy-duty pneumatic tire // 2574874
FIELD: transportation.SUBSTANCE: invention relates to automotive industry. The tire includes the protector fitted with the main grooves continuous in the longitudinal direction and cross grooves with formation of blocks in longitudinal rows. The main grooves include a pair of main shoulder grooves each of them is located from each side from the tire equator so their central line is located at the distance from 0.30 to 0.65 of the half of width of the protector from the tire equator. Blocks comprise the crown blocks located near the protector crown between the main shoulder grooves and the shoulder blocks located in shoulder areas axially outside from the main shoulder grooves. Each of crown blocks and shoulder blocks is fitted at least with one lamel passing in the axial direction.EFFECT: improvement of running characteristics of the tire on the ice-covered road.11 cl, 6 dwg, 1 tbl

Pneumatic tire tread // 2569147
FIELD: motor car construction.SUBSTANCE: tire tread reinforcing ply (6) of tread element (5) in contact with the ground is arranged on tire tread sidewall (5a). Said reinforcing ply of natural resin-based or thermoplastic resin-based resin features the average depth of less than 0.5 mm and is fitted on the area making at least 50% of side wall and has the coefficient of elasticity equal to at least 200 MPa.EFFECT: normal grip on ice, better performances on snow.7 cl, 4 dwg, 1 tbl

Radial pneumatic tire for passenger vehicle and method of its operation // 2568521
FIELD: motor car construction.SUBSTANCE: tire tread surface in contact with the soil has at least one major groove (2a) extending along the tread, or the major groove (2a) and minor groove (2b) that differs from said major groove (2a. It has also the auxiliary groove, its width making ≤2 mm in the area across the tread width while the ratio of the negative area of major groove (2a) varies from 12% to 20%.EFFECT: better grip on dry and wet surface.13 cl, 10 dwg, 5 tbl

Pneumatic tire // 2566514
FIELD: motor car construction.SUBSTANCE: shoulder contact section (13S) has the first crosswise groove (14A) that communicates at one end part with the major groove (12) on the side most remote from the centre in the tire width direction and does not communicate with the opposite end part with the tread end (E). Its second crosswise groove (14B) does not communicate at one end part with the major groove (12) on the side most remote from the centre in the tire width direction and communicates with the opposite end part with the tread end (E). The first crosswise groove (14A) and second crosswise groove (14B) alternate in the tire circumference so that their end parts have permissible overlap (S) in the tire width direction. Besides, knife cut (15) is composed between the other end part of the first crosswise groove (14A) and tread end (E).EFFECT: noiseless work, better stability owing to better water removal.11 cl, 5 dwg, 1 tbl

Pneumatic tyre // 2564064
FIELD: automotive industry.SUBSTANCE: pneumatic tire contains circumferential main and cross grooves and blocks. The blocks comprise a bent groove passing along a tire circumference, separating the block into two parts along the tire width, and arranged so that the directions of bend of bent grooves alternately change to opposite ones. In the first version blocks comprise the bent groove. In the second version the main grooves which pass along the tire circumference, one row which is the central contact section and two contact sections of the left and right arm zones. Cross grooves are inclined cross grooves which pass at the pre-set inclination angle with reference to the direction along the tire circumference. The central contact section is separated into a set of blocks due to crossing of the cross groove.EFFECT: improvement of operational characteristics for snow-covered and wet road movement.22 cl, 6 dwg

Pneumatic tire // 2562260
FIELD: transport.SUBSTANCE: invention relates to motor tire tread pattern. Tread is provided with: a pair of longitudinal grooves (3) of crown passing on both sides of centre line (C) of tire, crown rib (5) between longitudinal grooves (3) of crown, a pair of shoulder longitudinal grooves (4) passing between crown longitudinal grooves (3) and edges (2t) of tread contact with ground, middle ribs (6) between crown longitudinal grooves (3) and shoulder longitudinal grooves (4), and shoulder ribs (7) between shoulder longitudinal grooves (4) and edges (2t) of tread contact with ground. Volume fraction Rc of grooves which represents total volume of grooves and lamellas to crown rib (5) volume ratio, volume fraction Rm of grooves relative to middle ribs (6) and volume fraction Rs of grooves relative to shoulder ribs (7) satisfy relation Rc ≤ Rm ≤ Rs.EFFECT: better driving stability due to increased cornering power in the whole range of loads including low loads range.10 cl, 6 dwg, 1 tbl

Inflated tyre // 2561661
FIELD: motor vehicle industry.SUBSTANCE: treat profile includes first grooves of grouser, that go from the appropriate ends on the external side in the transverse direction of tyre of the first inclined grooves in the first direction in the tyre longitudinal direction, and at angle in the direction of the external side in the tyre transverse direction up to edges of the area of engagement with the pavement, and have angle made with the tyre transverse direction, that is below the angle created with the tyre transverse direction by the first inclined grooves. The second inclined grooves pass from the appropriate ends on the external side in the tyre transverse direction of the first inclined grooves in the first direction in the tyre longitudinal direction, and at angle in the direction of the internal side in the tyre transverse direction. The third inclined grooves pass from the appropriate intermediate points on the first grooves of the grouser in the first direction in the tyre longitudinal direction, and at angle to in the direction of the external side in the tyre transverse direction, and have angle made with the tyre transverse direction exceeding the angle made with the tyre transverse direction by the first grooves of the grouser. Each third inclined groove closes not reaching the other first groove of the grouse, located adjacent with the first groove of the grouser in the first direction.EFFECT: improved operation parameters of the tyre on ice, snow and wet pavement.18 cl, 6 dwg, 3 tbl

Tyre // 2561656
FIELD: motor vehicle industry.SUBSTANCE: tyre has section of the tread for contact with the road surface. In the tread there is section of the side groove in the direction crossing with the circumferential direction of the tyre, and contact section divided by the section of the side groove. The contact section includes: surface of contact with soil to contact with the road surface; side surface made in the direction of the tread width on the external side of the contact section; the side groove surface creating the groove wall of the side groove section, made in the circumferential direction of the tyre at one end of the contact section; and narrowing surface that crosses the surface of contact with soil, side surface and the side groove surface at corner section, formed by the surface of contact with soil, side surface and side groove surface.EFFECT: increased efficiency of heat radiation without losses of the treat strength and its wear resistance.6 cl, 14 dwg, 1 tbl

Tire tread with better grip of snow or dry road pavement // 2561179
FIELD: transport.SUBSTANCE: tire tread has one or several reiterating spacings. Note here that every reiterating spacing comprises separate spacing with tread units including grooves formed in said tread. Note here that every spacing features length of 15-35 mm. Said treads can have weighted mean density of grooves Dw of 10 mm-1 to 37 mm-1. Tread units are also made of rubber mix based on diene elastomer, plasticizing system and cross-linking system. Said rubber mix features vitrification point of -40°C to -15°C. Note also that Coulomb modulus G* measured at 60°C at 0.5-1.1 MPa.EFFECT: better tread braking on snowy and dry pavement.20 cl, 4 dwg, 3 tbl

Tire with tread having improved adhesion with snow and dry pavement // 2561149
FIELD: motor vehicle industry.SUBSTANCE: tire has tread with maximum density of narrow slots in the contact patch, minimum density for side grooves in the contact patch, and minimum longitudinal ratio of contact surface. Under definite options of the implementation the length of steps or repeating blocks of the tread geometry along the circular direction of the tire is within range of the definite span, and depth of the tread pattern is below the specified value.EFFECT: improved characteristics of the tire adhesion with snow and dry pavement.15 cl, 22 dwg, 7 tbl

Pneumatic tire // 2560193
FIELD: transport.SUBSTANCE: invention relates to pneumatic tire suitable for use in winder. Claimed tire comprises tread extending in circumference of this tire to define a ring shape, two side strips and two beads. Said tread has multiple lengthwise grooves and multiple side grooves. Both lengthwise and side grooves define the boundaries of multiple rows of segments each including multiple segments. Each said segment of one of their rows has at least three closed grooves. One groove, a closed first groove, is arranged on shoulder zone side in every segment with closed channels and at least two grooves, each representing second closed groove, are arranged on the tire equator line side in each segment provided with closed grooves.EFFECT: good grip on ice and snow.10 cl, 13 dwg, 2 tbl

Pneumatic tire // 2557126
FIELD: transport.SUBSTANCE: tire with preset sense of rotation comprises treads. Parts of said treads are composed by multiple inclined grooves extending from both edges of the tread to its equatorial line and inclined to direction of rotation relative to tread width direction. Tread branched grooves, each extending from the part of inclined groove located some 1/4 of tread width from tread edge and directed inward over tread width. It is directed to tire equatorial line in tire circumference opposite the direction if tire circumference whereat inclined grooves are located relative to tread width to terminate in tread block.EFFECT: higher resistance to abrasive wear.4 cl, 2 dwg, 1 tbl

Tire with aggressive tread with perfected uniformity and wear resistance and method of its protection // 2556773
FIELD: transport.SUBSTANCE: machine for production of tire comprises multiple forming wheels suspended above carrier in machine direction. Every forming wheel has multiple recesses to receive preset sections along the tread at tread displacement along every forming wheel. Said recessed have preset depth and shape. Note here that said preset depth increases between forming wheels in machine direction.EFFECT: better uniformity of the tread adding to tire wear resistance.7 cl, 1 tbl, 10 dwg

High-capacity tire // 2551699
FIELD: transport.SUBSTANCE: invention relates to vehicle tire tread design. High-capacity tire includes tread provided with four or five longitudinal grooves so that in axial direction they divide the tread into five or six ribs. Five or six ribs include a pair of ribs of shoulder area each one of which is provided with shoulder lateral groove, and three or four ribs of crown area each one of which is provided with lateral grooves of crown. Lateral grooves of crown pass throughout the crown area rib width. Shoulder lateral grooves pass axially outwards from axially-inner edge of shoulder area rib so that they end at axial distance of 78 to 88% of shoulder area rib axial width from the mentioned axially-inner edge. Depth of longitudinal grooves is 15 to 20 mm. Depth of lateral grooves of crown is 9 to 30% of longitudinal grooves depth. Depth of shoulder lateral grooves is 9 to 25% of longitudinal grooves depth. Tread width TW is 0.78 to 0.87 of tire cross-section width SW.EFFECT: improved resistance to shoulder tire wear, as well as improved running characteristics of tire on wt road surface.6 cl, 6 dwg, 1 tbl

High-capacity tire // 2550631
FIELD: transport.SUBSTANCE: invention relates to automotive industry. High-capacity tire includes tread provided with central longitudinal groove, crown longitudinal grooves at each side of this groove and crown lateral grooves passing between them thus crating blocks of crown. Crown block is additionally divided in longitudinal direction into two parts of the block by narrow groove of crown. Lateral groove of crown is provided at its bottom with web extending from bottom and connecting two crown blocks being adjacent in longitudinal direction. Lateral grooves of crown are inclined at an angle α of 10 to 30 degrees relative to axial direction of tire. The central longitudinal groove and axially-inner part of lateral crown groove which is located at axially inner side of web are of least depth than longitudinal groove of crown.EFFECT: better tread self-cleaning of stones without creation of cracks at the bottom of groove and without performance degradation on wet road surface.8 cl, 4 dwg, 1 tbl
 
2550910.
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