Abstract: A pneumatic tire includes a tread having a center main groove and a pair of shoulder main grooves, a pair of center portions between the center main groove and the shoulder main grooves, and a pair of shoulder portions between the shoulder main groove and tread edges. Each center portion includes: center lateral grooves extending from the shoulder main groove toward the axially inside of the tire without reaching the center main groove so as to have an axially inner end thereof on the center portion with an angle of 35 to 65 degrees with respect to an axial direction of the tire; center lateral sipes extending from axially inner ends of the center lateral grooves to the center main groove in the same inclination direction as the center lateral groove at an angle of 35 to 65 degrees with respect to an axial direction of the tire.

Abstract: A pneumatic tire is mounted on a vehicle so a first side in a tire width direction corresponds to a vehicle outer side. A tread surface has four circumferential main grooves extending in a tire circumferential direction and five land portions partitioned by the circumferential main grooves. A ratio W2/W1 ranges 4 to 5 when W1 is a groove width of a first circumferential main groove that is located at a first position when viewed from the first side and W2 is defined as a groove width of a second circumferential main groove located at a second position when viewed from the first side, and a ratio Sin/Sout ranges 1.1 to 1.2 when, in a region of the tread surface which interposes the tire centerline, Sout is defined as a groove surface area ratio in a region on the first side and Sin is defined as a groove surface area ratio in a region on the second side.

Abstract: Provided is a pneumatic tire used with a specified rotation direction, including a tread, a pair of sidewalls extending continuously from the tread inward in a tire radial direction, a pair of beads continuous with the sidewalls inward in the tire radial direction, and at least one ridge on a buttress surface. The buttress surface extends from a tread edge of a tread surface formed on the tread to the sidewall. The ridge extends from a sidewall side of the buttress surface towards the tread edge and terminates before reaching the tread edge. The ridge includes a steeply inclined surface, having a high gradient with respect to the buttress surface, inclined forwards in the rotation direction, and a moderately inclined surface, having a more moderate gradient than the steeply inclined surface, inclined backwards in the rotation direction.

Abstract: A pneumatic tire comprises a plurality of main grooves extending along a tire circumferential direction, and shoulder lateral grooves extending to an outer side in a tire width direction from a shoulder main groove positioned in an outermost side in the tire width direction among the main grooves, the main grooves and the shoulder lateral grooves being arranged on a tread surface, wherein a depression is formed on a wall surface of a land portion facing to the shoulder lateral groove, in a state in which it is not exposed to a surface of the land portion, and wherein the depression is formed in such a manner that a height of the depression in a depth direction of the shoulder lateral groove is reduced toward an inner side in the tire width direction, and an exposure length of the depression becomes longer in accordance with a progress of an abrasion of the land portion.

Abstract: A tire includes a tread band provided with a tread pattern including a first and a second portion of tread pattern, repeated just the same along the circumferential extent of the tire, forming respectively a short pitch module and a long pitch module of the tread pattern, wherein the modules include a respective first transverse groove in which, starting from an axially outer first end thereof toward an opposed axially inner second end thereof, an initial section and a section of enlarged cross-section are formed, the latter being blind, at least on its axially inner side, when in the footprint area. The initial section and the section of enlarged cross-section have, respectively, a first width and a second width, and the ratio between the second width and the first width of a first transverse groove belonging to a short pitch module is greater than the ratio between the second width and the first width of a first transverse groove belonging to a long pitch module.

Abstract: A pneumatic tire adapted to effectively suppress temperature rise of a tread portion during loaded rolling of the tire, and sufficiently suppress failure of the tread portion due to the temperature, rise. The tread portion of the pneumatic tire extends between both tread ends and has a tread surface with lug grooves. Each lug groove extends in a tire width direction and has an opening at its one end to a buttress that extends from the tread end radially inwards of the tire. The buttress has a surface with a projection on one side, in a tire circumferential direction, of the buttress-side opening of the lug groove to protrude in the tire width direction. The projection has a radially outer end in a radially outer side than a radially inner end of the buttress-side opening of the lug groove.

Abstract: A heavy duty tire comprises a tread portion provided with belt plies and circumferentially-extending main grooves, wherein a shoulder rib area between the axially outermost shoulder main groove and a tread edge is subdivided by a sub groove into an axially inner main rib zone and an axially outer sub rib zone. The main rib zone is provided with a high elastic modulus rubber layer extending along the axially outer edge of the main rib zone to form a part of the tread face and made of rubber having an elastic-modulus higher than that of rubber forming the tread face except for said part of the tread face. The axial width (W1a) of the high elastic modulus rubber layer is 0.3 to 0.6 times the axial width (W1) of the main rib zone.

Abstract: A pneumatic tire has an asymmetric tread pattern and an outboard tread edge and an inboard tread edge to be located outside and inside of a vehicle respectively. Inboard shoulder blocks have an axial width and outboard shoulder blocks have an axial width more than the axial width of the inboard shoulder blocks. The inboard and outboard shoulder blocks are each provided with a plurality of sipes. The sipes of each outboard shoulder block include a circumferential sipe as the axially outermost sipe. The circumferential sipe extends at an angle of not more than 10 degrees with respect to the tire circumferential direction. The outboard shoulder block has an axially outer sidewall of which surface is provided with a plurality of narrow buttress grooves extending radially inwardly from the outboard tread edge.

Abstract: A pneumatic tire comprises a tread portion provided along each tread edge with shoulder blocks defined by a circumferentially extending shoulder main groove and shoulder lateral grooves extending from the shoulder main groove to the tread edge. The shoulder main groove is made up of groove segments curved convexly toward the tire equator so that each groove segment comprises a first inclined part and a second inclined part. The shoulder lateral grooves extend at 45 to 90 degrees with respect to the tire circumferential direction, and are coupled with the first inclined parts of the groove segments. The shoulder blocks are each subdivided by a shoulder sub groove extending at an angle of from 15 to 45 degrees with respect to the tire circumferential direction. The shoulder sub groove has an axially outer end connected with the shoulder lateral groove and an axially inner end coupled with the second inclined part.

Abstract: A pneumatic tire has a tread pattern including a lateral groove extending in a direction intersecting a tire circumferential direction and a shoulder block comparted by the lateral groove. A depression region in which a plurality of depressions extending in the tire circumferential direction are arranged in a tire width direction are formed on a surface of the shoulder block in an outer side in the tire width direction than a ground-contact end. The depressions are open to the lateral groove, and are segmented in a center portion in the tire circumferential direction of the shoulder block.

Abstract: A pneumatic tire including a plurality of circumferential main grooves extending in a tire circumferential direction, a plurality of land portions partitioned by the circumferential main grooves, a narrow groove extending in the tire circumferential direction and disposed in an edge portion of a road contact surface side and an outer side in the tire width direction of the shoulder land portion on an outermost side in a tire width direction, and a narrow rib that is partitioned by the narrow groove. The narrow rib includes an offset portion having a road contact surface offset inward in a tire radial direction from the road contact surface of the shoulder land portion, and a protrusion protruding in the tire radial direction from the offset portion, extending in the tire circumferential direction, and having a top surface that is substantially flush with a profile line of the shoulder land portion.

Abstract: A motorcycle tire for running on rough terrain comprises a tread portion provided with shoulder blocks each provided with a ground contacting surface whose profile (contour) is a curved line having a radius of curvature not less than 200 mm or a straight line in a tire meridian section including the centroid of the ground contacting surface.

Abstract: A pneumatic radial tire having a thin groove continuous in a tire circumferential direction at a buttress formed between a shoulder of a tread and a sidewall includes a tire contour portion that is formed between an end portion of the shoulder and a groove floor of the thin groove. A tire transverse direction outermost portion at a shoulder side curved portion is disposed further toward a tire radial direction inner side than a sidewall side end portion of a sidewall side groove wall surface of the thin groove.

Abstract: Provided is a run-flat tire having a substantially-crescent-shaped cross section, which makes it possible to achieve both durability at the time of run-flat travel and ride comfort at the time of travel at a normal inner pressure. A rigidity reducing portion that reduces a tire rigidity in the width direction extends in the circumferential direction on a surface of a tread rubber in an area located on the inner side than an end of a belt in the tire width direction and on the outer side than a road-contacting end in the tire width direction under a 75% load state.

Abstract: A tire, wherein, a lateral groove (7) is disposed between a predetermined land block (5) and a land block (6) adjacent to the land block (5) in the tire circumference direction, among land blocks (4, 5, 6), and is formed of an inner lateral groove (Q) and an outer lateral groove (P), the inside lateral groove (Q) being disposed at an inside of a boundary of a bent portion (12) in a tire width direction, the outside lateral groove (P) being disposed at an outside of the bent portion (12), the bent portion (12) being formed at intermediate portion in the tire width direction. The angle ?1 of the inner lateral groove (Q) relative to the tire circumference direction is smaller than the angle ?2 of the outer lateral groove (P) relative to the circumference direction.

Abstract: In a pneumatic tire, a difference Gs?Ge falls in a range of Gs?Ge?0.10, where Gs is a groove area ratio for a wear rate 0% and Ge is a groove area ratio for a wear rate 100%. Further, a groove area ratio G for a wear rate 20% falls in a range of (Gs?G)/(Gs?Ge)?0.30, and a groove area ratio G for a wear rate 35% falls in a range of (Gs?G)/(Gs?Ge)?0.50.

Abstract: A pneumatic tire (1) comprises a tread (50), side walls (60), and buttress portions (70). In a cross-section of the pneumatic tire (1) in the tread width direction (TW), if the point at which a first curved line (R1) which follows the curvature of the surface of the tread (50) and a second curved line (R2) which follows the curvature of the surface of a buttress portion (70) intersect is defined as an imaginary point (IP) and also if the point at which a straight line (L) passing through the imaginary point (IP) and substantially perpendicular to the carcass (20) intersects the surface of the pneumatic tire (1) is defined as an intersection point (NP), the pneumatic tire (1) has a recessed shoulder region (US) including the intersection point (NP) and having a predetermined width. The recessed shoulder region (US) is provided with recesses (80) recessed from the surface of the pneumatic tire (1) and also with a surface portion (90) in which no recess (80) is formed.

Abstract: This tire has a buttress section to which a plurality of depressions (100) have been formed along the tire peripheral direction (DC). The depressions (100) have: a first outer edge (110) that bulges inward in the tread width direction (DT); and a second outer edge (120) that is continuous with the first outer edge (110) and that bulges outward in the tread width direction (DT) with respect to the first outer edge (110). The distance between the deepest section (150) of the depressions (100) and the ground-contact end of the tread varies along the tire peripheral direction (DC).

Abstract: A pneumatic tire comprises a pair of bead portions, a sidewall portion extending from the bead portions outward in a radial direction of the tire, a tread portion connected to an outer side of the sidewall portion in the radial direction of the tire through a shoulder portion, and extension block groups in each of which a plurality of extension blocks to extending from at least the shoulder portion to the sidewall portion are arranged in a circumferential direction of the tire. The extension block group includes a first extension block whose cross section height from a tire equator point exceeds ½ of a tire cross section height, and a second extension block whose cross section height from the tire equator point is lower than the first extension block.

Abstract: A pneumatic tire comprises a plurality of protect ribs extending at an angle ? of 0 to 20° with respect to a tire radial direction line and provided on outer surfaces S of sidewall portions at distances from each other in a circumferential direction of a tire. Each of the protect ribs includes a maximum height portion whose height from the outer surface S is maximum. A vertical cross section shape which passes through the maximum height portion is of substantially triangular shape. This s substantially triangular shape includes an outer end-side inclined portion having the height which is gradually reduced from the maximum height portion to a radial outer end Ra, and an inner end-side inclined portion having the height which is gradually reduced from the maximum height portion to a radial inner end Rb. A distance La between the maximum height portion and the radial outer end Ra in the length direction is in a range of 0.1 to 0.

Abstract: A vehicle pneumatic tire for utility vehicles has a tread profile in which a shoulder profile band (19) is formed. The shoulder profile band (19) is bounded by a groove (20) and by a flank surface of the side wall (2) of the tire. The surface which forms the road contact surface is formed in the shoulder profile band (19) in a first extension (21) having a width (a) up to an inflection point (P) as a prolongation of the curved surface contour line (K) and in a second extension (22) of width (b) where b<B starting from the inflection point (P) up to the flank surface side wall (2) in a linear fashion at an angle (?) of inclination with respect to a tangent to the surface contour line (K) at the point (P) where 3°???25°.

Abstract: A pneumatic tire has a tread portion having a tread surface between tread edges and provided along each tread edge with a row of shoulder blocks. Each of the shoulder blocks in at least one row is provided with at least one sipe extending at an angle of not less than 60 degrees with respect to the tire circumferential direction and having a plane inclined with respect to a normal direction to the tread surface. A chamfered part has a surface being arc-shaped in a tire meridian section and smoothly connecting between the tread surface and a surface of a buttress part. At least one protruding part has an upper surface protruding axially outwardly from the surface of the chamfered part and a side surface extending radially inwardly from an axially outer end of the upper surface. The protruding part has a circumferential width of from 0.5 to 7.0 mm.

Abstract: A tire is provided having a plurality of shoulder blocks separated by axial grooves and located along at least one side of the tire. Apertures extend through the shoulder blocks to connect with a circumferential groove. The apertures are located within a certain radial position relative to the axial grooves. Each aperture has a bottom positioned at a radial depth HB relative to the shoulder block and extends completely through the shoulder block along the axial direction. Each aperture has a radial overlap HL with the axial grooves. The ratio HL/Ho is about 0.15 or less and the ratio of HB/H is in the range of about 1.0 to about 1.1.

Abstract: A tire having (i) an asymmetric tread profile with a shoulder drop difference of 0.3 to 0.9; and (ii) an asymmetric tread pattern so as to have a ratio between the inner void/solid ratio and the outer void/solid ratio of 1.1 to 1.50. By the above combination of features, handling and aquaplaning performance is remarkably improved even at high operating speeds without negatively affecting the wear resistance of the tread band.

Abstract: An object of the present invention is to provide a pneumatic tire excellent in running performance on a rough road. In order to achieve the object, a pneumatic tire comprises a tread surface having a plurality of lug grooves each of which opens to a sidewall, the sidewall includes a plurality of protrusions disposed thereon, wherein each of the lug grooves includes a protruding strip portion disposed on a groove bottom of the lug groove and extending along an extending direction of the lug groove, the protruding strip portion has a start point thereof at an inner side than a ground-contact point in a width direction as viewed from a front side thereof, and extends up to one of the protrusions beyond an open end of the lug groove located at the sidewall side and is connected to the protrusion.

Abstract: The weight of a tire is reduced whilst maintaining wet weather performance. A pneumatic tire includes a lug groove (34) positioned to a tire radial direction outside of a tire width direction outside edge portion (belt edge (18A)) of a belt layer (18), and a raised bottom portion (36) that is disposed at a position in the lug groove (34) corresponding to the tire width direction outside edge portion (18A) of the belt layer (18) with a bottom raised in comparison to the groove bottom (34A) at a general portion of the lug groove (34). The raised bottom portion (36) is set at a position corresponding to the belt edge (18A), allowing the volume of the lug groove (34) to be maintained and a rubber gauge (D6) between the lug groove (34) bottom and the belt edge (18A) to be secured even though the rubber gauge of a tread portion (20) overall is suppressed.

Abstract: Tire having a tread, sidewalls axially and radially extending towards the inside of the tread, the tread having a running surface, intended to be in contact with the ground during running, and axially lateral faces on either side of the tread, this tire having, furthermore, at least on one of the sidewalls and near the tread, a circumferential rib intended to modify the height of expelled water in the transverse direction (corresponding to a direction parallel to the rotation axis of the tire) in the case of the tire running on wet ground. The circumferential rib comprises a deflector device for deflecting the stream of expelled water in the case of the tire running on water-covered ground, this deflector device being formed from a plurality of protuberances projecting from the circumferential rib and being arranged in an oblique direction with respect to the transverse direction.

Abstract: A method of designing a tire, wherein a tire designer identifies a target residual aligning torque range for a tire design and creates a computer model of the tire, including a buttress angle. Further, the method includes calculating the residual aligning torque of the modeled tire and comparing the calculated residual aligning torque value to the target residual aligning torque to determine whether the calculated residual aligning torque value is within the target residual aligning torque range. The method produces a final tire design having a target residual aligning torque.

Abstract: A tire suitable for off road use has blocks on its sidewalls that add thickness to the sidewall for added protection from debris tending to puncture the sidewalls. The blocks have sloping surfaces that protect the blocks from snagging or tearing from the sidewall. The blocks have surfaces designed to grip sides of ruts and are arranged in concentric patterns with overlapping for greater traction and good weight distribution when running at zero pressure.

Abstract: A pneumatic tire with a specified rotational direction includes a tread portion provided with a pair of circumferentially extending crown main grooves disposed on both sides of the tire equator, a plurality of inclined lateral grooves each extending axially outside of the tire from each crown main groove to each tread edge toward the anti-rotational direction to separate a plurality of shoulder blocks between crown main grooves and tread edges, and a sipe, inclined lateral grooves with inclinations of 45-85 degrees with respect to the tire circumferential direction, each shoulder block with a heel-side edge and a toe-side edge which comes into contact with a road later than the heel-side edge in the specified rotational direction, in a planer view, the heel-side edge smoothly extending in a curved manner from a first end intersecting a groove wall of the crown main groove to a second end intersecting the tread edge.

Abstract: A heavy duty tire comprises a tread portion provided with belt plies and circumferentially-extending main grooves, wherein a shoulder rib area between the axially outermost shoulder main groove and a tread edge is subdivided by a sub groove into an axially inner main rib zone and an axially outer sub rib zone. The main rib zone is provided with a high elastic modulus rubber layer extending along the axially outer edge of the main rib zone to form a part of the tread face and made of rubber having an elastic-modulus higher than that of rubber forming the tread face except for said part of the tread face. The axial width (W1a) of the high elastic modulus rubber layer is 0.3 to 0.6 times the axial width (W1) of the main rib zone.

Abstract: A shoulder main groove has a plurality of circumferential components inclined to an inside in a tire width direction toward a forward in a tire rotating direction. The circumferential components are communicated with each other via a lateral groove. A shoulder block row includes a first block positioned in a rear side in the tire rotating direction of the circumferential component, and a second block which has a smaller area of a top surface than the first block, and is adjacent to the first block with the lateral groove sandwiched therebetween. A plurality of projections elevating from a groove bottom and protruding out of a side wall of the second block are provided. A volume of the projection positioned in a trailing side of the second block is larger than a volume of the projection positioned in a leading side.

Abstract: The object of the present invention is to provide a pneumatic tire which reduces the partial wear while maintaining the durability in the shoulder land portion. In order to achieve the above object, the thin groove extending in the circumferential direction of the tire on the shoulder land portion is arranged so as to be perpendicular to or inclined outward to the groove bottom from the tread surface as viewed in the cross-section of the meridian direction of the tire, and the buttress groove is arranged to position at the inner side than the groove bottom of the thin groove with respect to a normal line of the tread surface as viewed in the radial direction of the tire, at the same time, at the outer side than the inner surface of the tire as viewed in the radial direction of the tire.

Abstract: A pneumatic tire comprises buttress parts each provided with a row of protrusions arranged circumferentially of the tire. The protrusion has a radially outside wall surface rising from the surface of the buttress part, a radially inside wall surface rising from the surface of the buttress part, and a top surface extending between the radially inside wall surface and the radially outside wall surface. The radially outside wall surface starts to rise from the surface of the buttress part at a certain distance from the tread edge so that the minimum radial distance Kmin from the tread edge to the protrusions is in a range of from 5 to 15 mm.

Abstract: Disclosed is a truck/bus tire that has an improved decoupling groove capable of suppressing unbalanced wear of a shoulder rib and preventing side chipping of a tread, and that has enhanced durability of a belt. The tire has a decoupling groove formed between an outermost rib and a tread lateral side. An offset structure is provided by cutting off a portion around a start point where a virtual line extending from a distal end of the outermost rib of the tread intersects a virtual line extending from the tread lateral side. A side of the outermost rib is parallel to the tread lateral side and the cut-off portion is formed with a “<”-shaped groove. A sacrifice rib protruding from the “<”-shaped groove is formed coplanar with the start point located on the virtual line extending from the tread lateral side.

Abstract: A tire includes a circumferential regional tire tread having a central region and first and second shoulder regions adjacent the central region. A circumferential array of spaced apart shoulder sipes is formed within one or both of the shoulder regions, each of the shoulder sipes having a depth in an unworn tire tread condition within a depth range of from 1 mm to 3.5 mm, and each shoulder sipe having a longitudinal axis oriented in a substantially axial direction within a range of between 20 degrees of the tire axial direction. The shoulder sipes each include a first and a second straight segment intersecting at an end-to-end intersection with respect to each other at an intersection angle. The first and second straight segments of each shoulder sipe incline in opposite directions from the end-to-end intersection and the end-to-end intersection of each shoulder sipe is located at a circumferential shoulder groove within a respective shoulder region.

Abstract: A pneumatic tire has a unidirectional tread pattern. On each side of the tire equator, there are a circumferential groove and main oblique grooves extending form the tread edge to the circumferential groove while inclining to the intended tire rotational direction and gradually decreasing its inclination angle with respect to the tire circumferential direction. The inclination angle of the main oblique groove measured at the tread edge is 60 to 120 degrees. The width of the main oblique groove is gradually increased toward the axially outside from the circumferential groove. The width of the circumferential groove becomes narrower at heel-side ends of shoulder blocks than at toe-side ends of the shoulder blocks. The shoulder block is provided with an auxiliary oblique groove extending from the main oblique groove toward the intended tire rotational direction and terminating without reaching to the next main oblique groove.

Abstract: A pneumatic tire (1) comprises a tread (50), side walls (60), and buttress portions (70). In a cross-section of the pneumatic tire (1) in the tread width direction (TW), if the point at which a first curved line (R1) which follows the curvature of the surface of the tread (50) and a second curved line (R2) which follows the curvature of the surface of a buttress portion (70) intersect is defined as an imaginary point (IP) and also if the point at which a straight line (L) passing through the imaginary point (IP) and substantially perpendicular to the carcass (20) intersects the surface of the pneumatic tire (1) is defined as an intersection point (NP), the pneumatic tire (1) has a recessed shoulder region (US) including the intersection point (NP) and having a predetermined width. The recessed shoulder region (US) is provided with recesses (80) recessed from the surface of the pneumatic tire (1) and also with a surface portion (90) in which no recess (80) is formed.

Abstract: The invention is directed to a pneumatic radial ply truck tire having a tread with a tread depth D, at least two circumferential grooves dividing the tread into at least a first shoulder circumferential rib, an intermediary circumferential rib, and a second shoulder circumferential rib, the tire being characterized by the tread having a base region disposed at depth D and a cap region over the base region, the base region and the cap region adjoining along a boundary, the cap region comprising a cap rubber composition having properties measured at 23° C. of: elongation of 400 to 500%, true tensile of 77 to 83 MPa, 300% modulus of 9 to 11 MPa, tensile strength of 14 to 15 MPa, shore A hardness of 63 to 68, rebound of 20 to 25%; and the base region comprising a base rubber composition having properties measured at 23° C. of: elongation of 470 to 520%, true tensile of 135 to 150 MPa, 300% modulus of 13 to 15.5 MPa, tensile strength of 22 to 25 MPa, shore A hardness of 63 to 67, rebound 50 to 55%.

Abstract: A method of improving the high-speed uniformity of tire performance that reduces low and/or high harmonics. The method includes determining a force variation that is created by rotation of a first tire, having a first tread design, at high speed. A second order harmonic of the force variation is analyzed. A second tire design is generated that circumferentially shifts one or more ribs of the first tread design to minimize the second order harmonic alone or in combination with other order harmonics.

Abstract: A tire having a tread comprising two shoulder ribs and at least one main rib, wherein the two shoulder ribs and the at least one main rib form at least two shoulder grooves. The two shoulder grooves each have a plurality of inboard walls and a plurality of outboard walls, each disposed at a substantially constant angle from a base of the shoulder groove to a shoulder rib surface. Further, the plurality of inboard walls includes a first set of walls disposed at a first angle from the base of the shoulder groove to a main rib surface and a second set of walls disposed at a second angle from the base of the shoulder groove to the main rib surface.

Abstract: A pneumatic tire comprises a plurality of main grooves extending along a tire circumferential direction, and shoulder lateral grooves extending to an outer side in a tire width direction from a shoulder main groove positioned in an outermost side in the tire width direction among the main grooves, the main grooves and the shoulder lateral grooves being arranged on a tread surface, wherein a depression is formed on a wall surface of a land portion facing to the shoulder lateral groove, in a state in which it is not exposed to a surface of the land portion, and wherein the depression is formed in such a manner that a height of the depression in a depth direction of the shoulder lateral groove is reduced toward an inner side in the tire width direction, and an exposure length of the depression becomes longer in accordance with a progress of an abrasion of the land portion.

Abstract: A pneumatic tire for use with telescopic material handlers includes a first concentrically continuous sidewall protector rib projecting axially outward from the sidewall and located above a midpoint of the sidewall. A second non-continuous sidewall protector rib is located concentrically outward of the first sidewall protector rib. The tire is a relatively low aspect ratio tire having a relatively flat sidewall profile. This provides a tire having the advantage of added sidewall protection without increasing the overall width of the inflated tire.

Abstract: An off-road tire for motorcycle comprises a tread portion provided with a plurality of blocks including an axially outmost shoulder block, a pair of sidewall portions, and a pair of bead portions, the shoulder block comprising a tread face with an axially outer edge corresponding to a tread edge and a lateral face extending from the tread edge to an radially inner edge located on the sidewall portion, the lateral face with a swelling portion swelling axially outside of the tire than a reference line which connects the tread edge and the radially inner edge, in a cross section including a tire axis, and the radial height of the radially inner edge of the lateral face from the bead base line being in a range of from 30 to 50% of the tire section height.

Abstract: A pneumatic tire has a tread pattern including a lateral groove extending in a direction intersecting a tire circumferential direction and a shoulder block comparted by the lateral groove. A depression region in which a plurality of depressions extending in the tire circumferential direction are arranged in a tire width direction are formed on a surface of the shoulder block in an outer side in the tire width direction than a ground-contact end. The depressions are open to the lateral groove, and are segmented in a center portion in the tire circumferential direction of the shoulder block.

Abstract: A pneumatic tire comprising a shoulder rib segmented into a main rib located at the inner side thereof in a width direction of the tire and a thin rib located at the outer side thereof in the width direction of the tire by a thin groove extending along a circumferential direction of the tire, wherein the thin groove includes a large-width portion having a relatively larger groove width and a small-width portion having a relatively smaller groove width continuously formed one after the other along the circumferential direction of the tire, and an inner wall of the large-width portion located at the thin rib side is disposed at a further outer side with respect to an inner wall of the small-width portion located at the thin rib side as viewed in the width direction of the tire, a protruding portion protruding outwardly in the width direction of the tire from an edge line of the thin rib located at the outer side in the width direction of the tire is formed at a position where the large-width portion is disposed

Abstract: A pneumatic tire includes a circumferential tread disposed between opposing tread edges and opposing sidewalls disposed radially inward from the opposing tread edges. Each sidewall has a rectangular extension block and a triangular extension block. The rectangular extension block protrudes axially outward by a first amount. The triangular extension block protrudes axially outward by a second amount. The first amount is less than the second amount.

Abstract: A pneumatic radial ply truck tire for use on medium truck trailers includes a tread, a casing with two sidewalls, one or more radial plies extending from, and wrapped about, two annular beads, and a belt reinforcement structure located radially between the tread and the one or more radial plies. The tread includes a plurality of circumferentially extending tread grooves, a pair of circumferentially extending shoulder ribs, a pair of radially recessed ribs being radially recessed and non-road contacting under static load disposed at a lateral edge of the shoulder ribs, and a pair of circumferentially extending decoupling grooves. Each decoupling groove defines a transition between a corresponding shoulder rib and a corresponding recessed rib. A lateral edge of one of the shoulder ribs has a first radius of curvature forming a transition from a radially outer surface of the shoulder rib to a first side surface of the corresponding decoupling groove.

Abstract: Protrusions 11 are provided in a buttress portion 20, the protrusions 11 are composed of a center portion 11a extending from the groove bottom 4 of the transverse grooves 2 toward the tire rotational axis and side portions 11b, the center portion 11a and the side portions 11b are integrally formed, the side portions 11b extend from the same cross-sectional height as, that of the center portion toward the tire rotational axis, the protrusions 11 extend at least to a virtual line 22 in which the inner most belt layer 21a is virtually extended to the buttress portion 20, and the width W of the side portions 11b is 7% to 30% of the depth D of the transverse grooves 2, and the thickness L of the protrusions 11 on the virtual line 22 is 1 mm to 10 mm.

Abstract: A lightweight truck and passenger vehicle tire having an improved tread design that provides numerous biting edges for increased grip in mud, snow, loose debris, and when climbing rocks as well as providing increased protection from punctures and cuts to the tire's shoulder and upper sidewall regions.