Class / Patent application number | Description | Number of patent applications / Date published |
152209250 | Having grooves or sipes with different specified depths | 57 |
20080271827 | Pnuematic tire - The tire has a ground contacting tread portion, the tread comprising at least one straight circumferentially extending groove. The groove defines one lateral side and a lateral boundary of a plurality of tread elements. At least one tread element has a chamfer within the tread element and inward of the lateral boundary of the tread element. The chamfer extends in the circumferential direction of the tire and has an inclined radially outer surface. The chamfer has at least one traction element in the radially outer surface, the indentation extending radially inward of the radially outer surface of the chamfer. | 11-06-2008 |
20090090445 | Heavy Duty Tire - A heavy duty tire ( | 04-09-2009 |
20090151833 | PNEUMATIC TIRE, TIRE MOLD AND METHOD OF PRODUCING PNEUMATIC TIRE - There is provided a pneumatic tire having a shallow groove provided between zigzag sipes adjacent in the circumferential direction of the tire, a tire mold used for production of the pneumatic tire and a method of producing the pneumatic tire with the tire mold, which can reduce production cost of the mold, facilitate trimming operation and decrease waste from trimming while reduction of driving stability during turning on a wet road surface and occurrence of curing trouble are suppressed. | 06-18-2009 |
20090165911 | PNEUMATIC TIRE - An object of the present invention is to provide a pneumatic tire capable of reducing the narrowing of the openings of sipes and increasing ground-contact performance by ensuring the edge effect and the water removal effect thereby increasing on-ice braking performance while providing a satisfactory durability to a sipe-forming blade mounted on the tire manufacturing die. To achieve the above object, each of the sipes formed in a land portion of a tread surface which a pneumatic tire comprises has: a first sipe portion in which a first wide portion having a bottom portion thereof is formed, a second sipe portion in which a second wide portion having a bottom portion thereof and extending in a depth direction from a depth position closer to the tread surface side than the bottom portion of the first wide portion is formed at the side opposite to the first wide portion as viewed in a sipe width direction, the second sipe portion being positioned on the side of the bottom portion of the first sipe portion, and a third sipe portion in which a third wide portion having a bottom portion thereof and extending in a depth direction from a depth position closer to the tread surface side than the bottom portion of the second wide portion is formed at the same side as the first wide portion as viewed in a sipe width direction, the third sipe portion being positioned on the side of the bottom portion of the second sipe portion. | 07-02-2009 |
20090266459 | Pneumatic Tire - An object of the present invention is to provide a pneumatic tire having low rolling resistance and higher resistance against irregular wear. To achieve the above object, a pneumatic tire includes a tread portion comprising a plurality of block arrays each of which is constituted of a plurality of blocks that are partitioned by a plurality of main grooves extending in a circumferential direction of the tire and a plurality of lateral grooves crossing the main grooves, wherein at least one of the block arrays is provided with a thin rib that continuously extends in the circumferential direction of the tire in a central area of the block array as viewed in a width direction of the tire and is partitioned by two sipes extending in the circumferential direction of the tire, the depth of the sipes extending in the circumferential direction of the tire is 0.7 times or less of the depth of the lateral grooves. | 10-29-2009 |
20090301623 | PNEUMATIC TIRE - Provided is a pneumatic tire that has a directional tread pattern and includes: a rib-shaped first land area extending in the tire-circumferential direction in a center section of a tread portion; paired first main grooves being adjacent respectively to the two sides of the first land area; paired second land areas being adjacent respectively to the outer sides of the first main grooves; paired second main grooves being adjacent respectively to the outer sides of the second land areas; paired third land areas being adjacent respectively to the outer sides of the second main grooves; a fine groove extending at the center of the first land area; plural lug grooves formed in the first land area; and plural sipes formed in the first land area. The lug grooves alternate with the sipes along the tire-circumferential direction. Each lug groove intersects with a corresponding sipe. An end of the lug groove formed in the first land area is formed as a dead end between the fine groove and a corresponding first main groove. The width and depth of each lug groove formed in the first land area are gradually reduced from its open-end side to its closed-end side. Each sipe formed in the first land area communicates with the fine groove, and includes: a deeper section between a corresponding first main groove and the intersection with a corresponding lug groove; and a shallower section between the fine groove and the intersection with the corresponding lug groove, the shallower section being shallower than the deeper section. | 12-10-2009 |
20090320982 | PNEUMATIC TIRE - To enhance cornering performance on each road surface and improve steering stability while ensuring traction performance and breaking performance of a pneumatic tire on a snow road or off-road. | 12-31-2009 |
20100006198 | PNEUMATIC TIRE - Disclosed is a pneumatic tire including: plural blocks ( | 01-14-2010 |
20100078107 | Tread Comprising Dual Orientation Incisions | 04-01-2010 |
20100096054 | PNEUMATIC TIRE - At least one of land portion rows | 04-22-2010 |
20100096055 | HEAVY-DUTY TIRE - A heavy-duty tire comprises two rows of middle blocks ( | 04-22-2010 |
20100116395 | PNEUMATIC TIRE - A thin groove | 05-13-2010 |
20100147427 | PNEUMATIC TIRE FOR FRONT WHEEL OF MOTORCYCLE, AND PNEUMATIC TIRE FOR REAR WHEEL OF MOTORCYCLE - In a pneumatic tire for a front wheel, turning performance on a wet road surface is improved compared with a conventional tire. | 06-17-2010 |
20100170602 | PNEUMATIC TIRE AND METHOD OF CARRYING OUT HAND GROOVING ON THE SAME - An object of the present invention is to provide a pneumatic tire on a tread surface of which hand grooving can be carried out swiftly and easily, and a method of carrying out the hand grooving thereon. In order to achieve the object, a pneumatic tire comprises a tread surface formed with a plurality of grooves. The tread surface includes a guide line previously disposed as a reference for carrying out hand grooving. The guide line extends along at least one edge line of the grooves or a virtual extension line of at least one edge line of the grooves. | 07-08-2010 |
20100186861 | PNEUMATIC TIRE - Five land portions on tread surface are demarcated by four main grooves that extend in a tire circumferential direction TC. The five land portions include a center land portion between the first main grooves, two middle land portions between the first main grooves and the second main grooves, and two shoulder land portions located toward the outside of the second main grooves in the tire width direction, and sub-grooves and sipes are formed on the land portions. The total groove surface area ratios of the sub-grooves and the sipes in the land portions are different in the center land portion and the shoulder land portion as compared to the middle land portion, with the total groove surface area ratio being lower in the center land portion and the shoulder land portion and being higher in the middle land portion. | 07-29-2010 |
20100200138 | HEAVY DUTY TIRE - A heavy duty tire comprises a tread portion provided with a center rib, shoulder ribs and middle ribs therebetween. The middle ribs are provided with closed-end sipes. The sipe comprises: an axially inner segment and axially outer segment inclined at an angle of from 30 to 60 degrees with respect to the tire circumferential direction; and a middle segment therebetween inclined in a direction crosswise to the axially inner and outer segments. The angle β | 08-12-2010 |
20100206447 | Pneumatic Tire - An object of the present invention is to provide a pneumatic tire that ensures both of the on-ice braking performance and the dry braking performance. In order to achieve the object, a pneumatic tire comprises a tread surface including a land portion in which a plurality of sipes are formed, wherein each of the sipes includes a reference plane extending in a depth direction of the sipe from a wavy or zigzag line in the surface of the land portion and each of the sipes is formed with a convex portion having a convex shape in a vertical section with respect to the reference plane in a top area at the front side and the rear side thereof. | 08-19-2010 |
20100243120 | PNEUMATIC TIRE - The present invention provides a pneumatic tire capable of ensuring good braking performance by making an edge effect be fully demonstrated by suppressing upward deformation of edge portions of a block. A block row constituted of plural shoulder blocks | 09-30-2010 |
20100252159 | PNEUMATIC TIRE - A pneumatic tire has a unidirectional tread pattern comprising right-hand and left-hand crown circumferential grooves and a crown rib formed therebetween. The crown rib is provided with first and second V-shaped grooves arranged alternately in the tire circumferential direction. The first V-shaped grooves extend from the left-hand crown circumferential groove. The second V-shaped grooves extend from the right-hand crown circumferential groove. The first and second V-shaped grooves are terminated within the rib, and their V-shape configurations have bending points substantially positioned at the tire equator. | 10-07-2010 |
20100307652 | Pneumatic Tire - A pneumatic tire comprises main grooves | 12-09-2010 |
20110139325 | TIRE TREAD HAVING SERRATED GROOVES - A tread is configured to have three rows of tread elements, a center row and a pair of shoulder rows, the center row forming a circumferential rib positioned at an equatorial centerplane of the tread. Each shoulder row has a repeating circumferential array of upwardly extending elongate groove fingers, adjacent groove fingers within the repeating array of each shoulder row of groove fingers being connected by at least one laterally extending channel. An array of serrations line each longitudinal side of the channels, each serration defined by inward tapering serration sidewalls extending to a serration base surface. Each channel is submerged below an outward tread surface such that the submerged channel will emerge as the tread wears down. | 06-16-2011 |
20110303333 | TIRE - Two open sipes are formed at a tire circumferential direction central side of a block, and closed sipes are formed in the block at both tire circumferential direction sides of the two open sipes. The depth of the open sipes is set in a range of 50 to 70% times the depth of a first circumferential direction main groove, and the depth dimension of the closed sipe is set in a range of 105 to 140% times the depth dimension of the open sipes. Accordingly high performance on ice is obtained while securing block rigidity. | 12-15-2011 |
20120006458 | Tire Tread Comprising Incisions and Recesses - Tire tread comprising a plurality of elements forming relief, each element comprising a contact face, a plurality of elements of the tread being provided with at least one incision, this incision opening onto the contact face in order to form second edges parallel with one another and with an average orientation at most equal to 45° with the direction of the axis of rotation of the tire provided with this tread, each incision also opening onto two lateral surfaces of the element so as to form strips having a length L and a width d, this width d being less than the length L, each strip comprising at least one cavity entirely contained in the strip and of which the largest dimension is oriented so as to be in the direction of the length of the strip inside which it is formed, each cavity having a length Lc, measured along its largest dimension, which is between 10% and 90% of the length L of the strip, the total of the lengths Lc of all the cavities of one and the same strip being more than 10% of the length L of the said strip. | 01-12-2012 |
20120103493 | WINTER TIRE CENTER TREAD PATTERN - A vehicle wheel tire center tread region has a repeating circumferential array of first substantially V-shaped grooves positioned on the centerplane, each first V-shaped groove having divergent first groove side arms extending in a first circumferential direction, and a repeating circumferential array of second substantially V-shaped grooves positioned on the centerplane and having divergent second groove side arms extending in a second circumferential direction opposite to the first circumferential direction. Each first V-shaped groove is overlapped by multiple oppositely directed second V-shaped grooves. The first V-shaped groove arms have a varying lengthwise depth that varies between about 2 and 7 millimeters from a shallower depth proximate to a vertex arm region to an increased depth at a medial arm region to a decreased depth at a terminal arm region. The first V-shaped groove arms further vary in width as well as depth from a narrower vertex arm region to a wider medial arm region to a narrow terminal arm region so that the volume of the groove arms per length unit is constant. | 05-03-2012 |
20120168050 | PNEUMATIC TIRE - A tire contour shape is formed by a single arc in a condition in which tire flattening rate is more than 55% and less than 70% and internal pressure is 5%. Shoulder lateral grooves extend at an angle α of 80 to 90° from the axially outer side of the tread ground-contact edge to the axially inner side of the tire, and the tire axially inner ends terminate within the shoulder land portion. A tire axial distance Ds between the tire axially inner end and the shoulder circumferential main groove is in the range of 3.5 to 5.5 mm, the shoulder lateral groove has the deepest part where the groove depth is largest, and the groove depth of the deepest part is 70 to 90% of the groove depth of the shoulder circumferential main grooves. | 07-05-2012 |
20120267022 | PNEUMATIC TIRE - A pneumatic tire comprises a tread portion provided on each side of the tire equator with a land zone defined between two circumferential main grooves, wherein the land zone is provided with axial grooves extending between the main grooves and inclining to a first circumferential direction at an angle of from 30 to 50 degrees with respect to the tire axial direction, and auxiliary grooves inclining to a second circumferential direction opposite to the first circumferential direction. The axial groove is shallow in its axially-inner-main-groove side in comparison with its axially-outer-main-groove side. The auxiliary groove is deep in its axially-inner-main-groove side in comparison with its axially-outer-main-groove side. | 10-25-2012 |
20120273108 | PNEUMATIC TIRE - A pneumatic tire with a designated rotational direction comprises a tread portion, a pair of center circumferential main grooves extending on both sides of a tire equatorial plane, a center land portion between the center circumferential main grooves, a ripe provided with the center land portion, a plurality of V-shaped grooves each provided separately in the center land portion, each V-shaped groove having a peak located in a middle area of the center land portion, the first inclined portion extending from the peak to one side edge of the center land portion, and the second inclined portion extending from the peak to the other side edge of the center land portion, and a first inclined sub-groove and a second inclined sub-groove provided between a pair of V-shaped grooves, the first inclined sub-groove and the second inclined sub-groove being provided separately in the circumferential direction of the tire. | 11-01-2012 |
20120298271 | TIRE FOR A VEHICLE CARRYING HEAVY LOADS - Tyre intended to be fitted to a vehicle carrying heavy loads comprising a tread band ( | 11-29-2012 |
20130008576 | TIRE - A pneumatic tire | 01-10-2013 |
20130098520 | TIRE - A pneumatic tire | 04-25-2013 |
20130146192 | PNEUMATIC TIRE - A pneumatic tire having improved braking performance includes sides and a tread section between the sides. In each of two regions on opposite sides of a tire centerline in the tread section, two circumferential main grooves extend along a tire circumferential direction in a zigzag shape, first lug grooves extend from an inner circumferential main groove to a pattern end, and second lug grooves extend toward the pattern end from the outer circumferential main groove. A wall of the inside circumferential main groove includes wall surfaces with a wall angle varying along the circumferential direction. An outside land section between the main grooves includes a notched lug groove extending in a tire widthwise direction from either the inside or outside main groove and closes within the outside land section. A groove depth of the notched lug groove is shallower than that of the first and second lug grooves. | 06-13-2013 |
20130160909 | HEAVY DUTY PNEUMATIC TIRE - A heavy duty pneumatic tire comprises a tread portion provided with a crown main groove and a middle axial groove. The middle axial groove extends axially outwardly from its axially inner end axially outwardly spaced apart from the crown main groove and inclines with respect to the tire circumferential direction at an angle of from 45 to 75 degrees. In a cross section along the widthwise center line of the middle axial groove, an end wall of the axially inner end is inclined at an angle 0 to 50 degrees with respect to the normal direction to the tread from the radially outer edge of the end wall toward the groove bottom, and a corner between the end wall and the groove bottom is chamfered by an arc having a radius of curvature of 1 to 10 mm. | 06-27-2013 |
20130240103 | PNEUMATIC TIRE - A pneumatic tire comprises a tread portion with a land ratio of from 75% to 80%, the tread portion provided with crown main grooves having groove widths of 2.0-8.0 mm and groove depths of 15.0-20.0 mm, shoulder main grooves having groove widths of from 8.0-14.0 mm and groove depths of from 15.0-20.0 mm and lateral narrow grooves with groove widths of 0.6-2.0 mm and groove depths of 15.0-20.0 mm, wherein each main groove has a cross section including a groove bottom and groove walls, each groove wall includes an inner part and an outer part, the inner part has an inclination of not more than 1 degree with respect to a groove centerline, and the outer part has an inclination larger than that of the inner part. | 09-19-2013 |
20130269848 | Pneumatic Tire - A pneumatic tire is provided which includes a plurality of drainage grooves positioned on each side of a tire equator line that extend at an angle in a direction opposite a rotating direction while curving outward in a tire width direction in a tread portion, with an end of a leading edge closed and an end of a trailing edge open to a tire side. A plurality of sub grooves extending from the drainage grooves in the rotating direction is provided, where an end of the leading edge is closed. The drainage grooves and the sub grooves are arranged so that spacings W1, W2, and W3 gradually increase outward in the tire width direction, groove area ratios R | 10-17-2013 |
20130284334 | LAYERED TIRE TREAD DESIGN WITH BRIDGED CIRCUMFERENTIAL AND TRANSVERSE GROOVES - A tire tread is provided having a layered design that includes bridged and unbridged circumferential grooves during earlier stages of tread life while transverse and unbridged circumferential grooves are provided at later stages of tread life. Together, the combination of grooves can provide desired wet adherence performance without unacceptable compromises of tread wear and/or rolling resistance. Pockets can also be provided at the end of the transverse grooves to increase the volume available for receipt of water during wet traction. | 10-31-2013 |
20130284335 | LAYERED TIRE TREAD DESIGN FOR IMPROVED COAST BY NOISE AND TRACTION PERFORMANCE - A tire tread having a layered design is provided. In a first layer of the tread, sipes extend transversely to provide traction in the first stage of the wear life of the tread. In a second layer of the tread, the width of the sipes along the circumferential direction is increased to provide for improved traction in a second stage of the wear life. The increased width is provided by a void that opens to a circumferential groove only along one end. Because the void opens only along one end, a decrease in acoustical effects such as drive by noise can be provided. | 10-31-2013 |
20140000776 | PNEUMATIC TIRE FOR HEAVY LOAD | 01-02-2014 |
20140110027 | PNEUMATIC VEHICLE TIRE - A pneumatic vehicle tire for commercial vehicles is provided wherein the wet traction properties are improved with simultaneously good rolling resistance properties. At least 120 transverse grooves are arranged in each of the central profile ribs over the entire circumference of the tire. The width (B | 04-24-2014 |
20140166173 | TREAD COMBINING INSERTS AND SIPES - Tire tread comprising a tread surface intended to come into contact with a roadway, this tread comprising at least one sipe extending in a main direction D and of mean width E, this sipe comprising in the main direction D at least one part sipe of shallow depth HF and at least one part sipe of great depth HG, the depth HF being less than the depth HG, each part sipe of shallow depth and each part sipe of great depth comprising an end region, this tread further comprising at least one insert oriented in a direction different from the main direction D of the sipe, this insert being positioned wholly within the thickness of the tread so as to be situated radially on the inside of a part sipe of shallow depth HF, this tread being such that at least the part sipe of shallow depth HF situated radially on the outside of the insert is provided, at its end region, with a widening forming a channel of maximum width W, this maximum width W being greater than the mean width E of the sipe. | 06-19-2014 |
20140216620 | HEAVY DUTY PNEUMATIC TIRE - A heavy duty pneumatic tire includes a tread portion provided with at least one circumferentially extending main groove, at least one circumferentially extending sub groove, and a plurality of lateral grooves to form repeated pitch elements each of which consists of one lateral groove and a block element. The sub groove includes a shallow bottom part with a depth smaller than that of the main groove. The shallow bottom part of the sub groove is provided with a groove bottom sipe. The lateral grooves include a shallow bottom part with a depth smaller than that of the main groove. The shallow bottom part of the lateral groove is provided with a groove bottom sipe. The lateral grooves have groove widths W2 in a range of from 5% to 15% in relation to a circumferential length L1 of the pitch element. | 08-07-2014 |
20140261938 | VARIABLE HEIGHT GROOVES IN MULTIPLE WEAR LAYER TREADS FOR RETREADED TIRES - Particular embodiments of the present invention include multi-wear layer treads having variable depth grooves for retreaded tires, retreaded tires, and methods of forming retreaded tires. In particular embodiments, such multi-wear layer tire treads include a thickness bounded depthwise by a top side configured to engage a ground surface during tire operation and a bottom side configured for attachment to a tire carcass, the thickness extending laterally between opposing side edges and longitudinally in a lengthwise direction of the tread. Such tread may further include a top groove extending a variable depth into the tread thickness from the top side, the top groove having a groove bottom that varies depthwise within the tread thickness to form multiple wear layers. In other embodiments, top grooves may or may not be variable depth grooves, while the tread further include a bottom groove extending a variable depth into the tread thickness from the bottom side. | 09-18-2014 |
20140299244 | HEAVY DUTY PNEUMATIC TIRE - A heavy duty pneumatic tire includes a tread portion provided with at least three circumferential main grooves, and a plurality of lateral grooves extending between adjacent main grooves or between one main groove and a tread edge, to form at least one block row comprising a plurality of blocks. The block row comprises a plurality of pitch elements each of which consists of circumferentially adjacent one lateral groove and one block. The tread portion has a land ratio in a range of from 70% to 80%. The block row comprises a number of pitch elements in a range of from 40 to 50, and each lateral groove has a groove width in a range of from 5% to 15% in relation to a circumferential length of the block in each pitch element. | 10-09-2014 |
20140299245 | PNEUMATIC TIRE - Provided is a pneumatic tire including a land portion provided with a sipe, which is capable of simultaneously providing snow performance, dry performance, and wet performance all at high level in a single land portion. The pneumatic tire includes a land portion | 10-09-2014 |
20150107741 | TIRE | 04-23-2015 |
20150129098 | PNEUMATIC TIRE - The present invention relates to a pneumatic tire of which the stiffness of tread blocks is improved in a circumferential direction. According to embodiments of the present invention, second grooves are formed to have a depth larger than the depth of a first groove so that the volume of the first blocks is similar to the volume of the second blocks and the stiffness of the first blocks is similar to the stiffness of the second blocks. Further, a first angle is made to be larger than a second angle so that the stiffness of the first blocks is similar to the stiffness of the second blocks. Accordingly, there is an effect of improving the braking performance or grip performance of a tire by making the stiffness of the tire uniform in the circumferential direction of the tire. | 05-14-2015 |
20150298506 | PNEUMATIC TIRE - A pneumatic tire ( | 10-22-2015 |
20150352902 | PNEUMATIC TIRE - A pneumatic tire includes a pair of circumferential grooves, a plurality of lateral grooves, and longitudinal grooves communicating between the lateral grooves on the outsides, in a tire width direction, of the circumferential grooves. Each lateral groove includes a lateral groove first portion, a lateral groove second portion disposed further outward, in the tire width direction, than the lateral groove first portion, and a lateral groove step portion connecting the lateral groove first portion and lateral groove second portion. | 12-10-2015 |
20150375572 | Pneumatic Tire - A pneumatic tire includes land portions partitioned and formed by inclined grooves inclined with respect to a tire circumferential direction. Stud pins are embedded in at least one of the land portions. The number of embedded stud pins embedded in a shoulder region is from 1.5 to 2.5 times the number of embedded stud pins embedded in a center region. A protruding amount of the stud pins in the shoulder region is from 1.2 to 2.0 times the protruding amount of the stud pins in the center region. | 12-31-2015 |
20160001599 | Pneumatic Tire - The present technology relates to a pneumatic tire in which the ratio of the total width SW and the outer diameter OD satisfies SW/OD≦0.3, and grooves are provided on the tread portion. In the ground contact region of the tread portion, when the groove area ratio in the ground contact area is GR, the ground contact width is W, the region having a width of 50% of the ground contact width W and the tire equatorial plane as center is the center region, the groove area ratio in the center region is GCR, the ground contact region on the outer side in the tire width direction of the center region is the shoulder region, and the groove area ratio in the shoulder region is GSR, the ground contact region of the tread portion is formed to satisfy 10%≦GR≦25% and GCR>GSR. | 01-07-2016 |
20160059638 | HEAVY DUTY PNEUMATIC TIRE - A heavy duty pneumatic tire comprises a tread portion provided with circumferentially continuously extending main grooves and axial grooves connecting between the main grooves to form blocks. The main grooves include a zigzag crown main groove disposed on each side of the tire equator, and a zigzag shoulder main groove disposed axially outside each crown main groove, wherein the groove width of the crown main groove is less than the groove width of the shoulder main groove. The axial grooves include crown axial grooves circumferentially dividing crown blocks disposed between the crown main grooves and each having a substantially hexagonal tread, and middle axial grooves circumferentially dividing middle blocks disposed between each crown main groove and the adjacent shoulder main groove and each having a substantially hexagonal tread, wherein the groove width of the middle axial grooves is more than the groove width of the crown axial grooves. | 03-03-2016 |
20160114629 | TIRE - This tire ( | 04-28-2016 |
20160137005 | HEAVY DUTY PNEUMATIC TIRE - A heavy duty pneumatic tire includes a tread including a pair of central portions, a pair of middle portions and a pair of shoulder portions, wherein each of the portions has an axial width varying periodically while increasing and decreasing in a circumferential direction of the tire. Each of the central portions includes a central block with a hexagonal shaped top face and a central sipe. A total that is the sum of each maximum axial width of the central portions, each maximum axial width of the middle portions, each maximum axial width of the shoulder portions, a maximum axial length of the central sipe provided on one of the central portions, and a maximum axial length of the central sipe provided on the other one of the central portions is in a range of from 1.05 to 1.31 times a tread width. | 05-19-2016 |
20160144668 | PNEUMATIC TIRE - To provide a pneumatic tire which is improved in on-snow performance, while maintaining steering stability on dry road surface. The pneumatic tire is provided in a tread portion | 05-26-2016 |
20160152085 | PNEUMATIC TIRE FOR HEAVY LOAD | 06-02-2016 |
20160176233 | Pneumatic Tire | 06-23-2016 |
20160185158 | PNEUMATIC TIRE - Each central land portion row ( | 06-30-2016 |
20160375729 | Tread Band Having Curved Blocks with Sipes - The disclosure concerns a tread band for a tire, said tread band having two sides with a predetermined distance D between these two sides and a centre. Indeed the tread band has a plurality of blocks, each block extending continuously in a curved manner to one side of the tread band towards the centre of this tread band with no groove separating this block in different parts, the block following a certain curvature C. All or part of the blocks of the plurality of blocks include a main sipe extending in the block and following the same curvature C, this sipe separating the block in two half parts. | 12-29-2016 |