Patents Examined by Justin R Fischer
  • Patent number: 11987077
    Abstract: A pneumatic tire includes first main grooves formed on outer sides, in the lateral direction, of a first land including an equatorial plane and extending in the circumferential direction; second main grooves outside, in the lateral direction, of the first main grooves and extending in the circumferential direction; auxiliary grooves formed on second lands between the first main grooves and the second main grooves, opening to the second main grooves, and terminating in the second lands; and first sipes inclined identically to the auxiliary grooves and crossing the second lands. The auxiliary grooves are formed into a shape bending at a bend point, and include a first portion extending from an opening end to the bend point, and a second portion extending from the bend point to a terminating end. A groove width of the first portion gradually reduces from the opening end to the bend point.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: May 21, 2024
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Haruna Mizushima
  • Patent number: 11975569
    Abstract: A pneumatic tire includes a tread portion having a first tread edge, and a first buttress portion extending inwardly in a tire radial direction from the first tread edge. The first buttress portion is provided with a plurality of protectors protruding outwardly in a tire axial direction. The plurality of protectors includes a set of protectors including a first protector and a second protector arranged adjacent to the first protector via a groove extending in the tire radial direction. The groove is provided with a tie-bar connecting the first protector and the second protector. The tie-bar is partially formed in a tire radial region of the groove, and the tie-bar has a protruding height that is smaller than a protruding height of the first protector and a protruding height of the second protector.
    Type: Grant
    Filed: September 7, 2022
    Date of Patent: May 7, 2024
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Renya Okawara
  • Patent number: 11970027
    Abstract: A main object is to provide a tire that suppresses snow clogging of sipes. The tire includes a tread portion. The tread portion includes a first land portion demarcated by circumferential grooves continuously extending in a tire circumferential direction, and a plurality of first lateral grooves inclined in a first direction relative to a tire axial direction and traversing the first land portion. The first land portion includes a plurality of first blocks demarcated by the first lateral grooves. Each first block has at least one sipe inclined in a second direction opposite to the first direction, relative to the tire axial direction. The sipe includes a portion deeper than a maximum depth of the first lateral groove, and a portion shallower than the maximum depth of the first lateral groove.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: April 30, 2024
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Yuto Hashimoto
  • Patent number: 11958316
    Abstract: A tire includes a tread portion being provided with circumferential grooves extending continuously in a zigzag manner. One of the circumferential grooves includes first inclined elements inclined in a first direction with respect to the tire circumferential direction, second inclined elements inclined in a second direction opposite to the first direction with respect to the tire circumferential direction, and intersections where the first inclined elements and second inclined elements intersect. Each of the first inclined elements and the second inclined elements is provided with at least one first protrusion that projects outwardly in a tire radial direction from the groove bottom and connects the pair of groove walls. At least one of the intersections is provided with a second protrusion that projects outwardly in the tire radial direction from the groove bottom and is separated from the pair of groove walls.
    Type: Grant
    Filed: October 21, 2022
    Date of Patent: April 16, 2024
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Satoko Tsujibayashi
  • Patent number: 11958320
    Abstract: A tire having a tread portion provided with a first circumferential groove and a second circumferential groove each extending in the tire circumferential direction, and lateral grooves connecting between the first circumferential groove and the second circumferential groove. The first circumferential groove extends zigzag and comprises a radially outer first portion having the smallest width and a radially inner second portion having a width larger than that of the first portion.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: April 16, 2024
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Masayuki Yoshino
  • Patent number: 11951774
    Abstract: A pneumatic tire includes a center land portion, intermediate land portions, and shoulder land portions each with sipes arranged at intervals in a circumferential direction. Center land sipes have a widened portion with a wide groove width at one end. Shoulder land sipes extend from the outer side of a ground contact end in a lateral direction toward an outer main groove. The orientation of the center and shoulder land sipes with respect to the circumferential direction is opposite to the orientation of intermediate land sipes. Respective inclination angles ?CE, ?MD, ?SH of the center, intermediate and shoulder land sipes satisfy ?CE<?MD<?SH<90°, an end of the intermediate land sipe on the side of the inner main groove is between ends of the center land sipes, and at any position on the entire circumference at least one center or intermediate land sipe is present on a meridian.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: April 9, 2024
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Daisuke Watanabe
  • Patent number: 11951777
    Abstract: A tire can include a pair of beads, a carcass, an inner liner, and an insulation located between the carcass and the inner liner. The carcass can include one carcass ply. The carcass ply can include a plurality of carcass cords and a topping rubber. Each carcass cord can have a total fineness of not less than 6000 dtex and not greater than 9000 dtex. The insulation can be located between first and second beads. A ratio (ta/td) of a thickness to of the topping rubber located between the insulation and the carcass cords to a thickness td of the insulation can be not less than 0.2 and not greater than 0.6.
    Type: Grant
    Filed: March 24, 2023
    Date of Patent: April 9, 2024
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Masahiro Tatsuta, Junya Tamai, Tomohiko Hiroshige, Hiroki Sato
  • Patent number: 11951784
    Abstract: The tire comprises a carcass ply connecting two beads via two sidewalls, the carcass ply being surmounted radially towards the outside of the tire by a crown reinforcing zone which is itself surmounted radially towards the outside of the tire by a tread, the crown reinforcing zone comprising a plurality of reinforcing strips arranged over at least one ply of strips. The strips are arranged so that they are juxtaposed and at an angle less than or equal to 15° with respect to the circumferential direction. Each reinforcing strip is made up of a laminate of at least 3 composite layers, each composite layer containing oriented fibers having a tensile modulus less than or equal to 30 GPa, which are parallel to one another and coated in a polymer matrix.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: April 9, 2024
    Assignee: COMPAGNIE GENERALE DES ESTABLISSEMENTS MICHELIN
    Inventors: Gael Pataut, Sebastien Rigo
  • Patent number: 11951775
    Abstract: A pneumatic tire includes a decorative area 11 provided on a sidewall surface 10, in which three kinds of planes 21, 22, and 23 with different inclinations with respect to a profile surface 20 are tightly arranged in the decorative area 11, two kinds of planes 21, 22, or 23 from the three kinds of planes 21, 22, and 23 are aligned in a first direction to make a pair, plural kinds of pairs with different combinations are aligned in a second direction, and boundaries 24 between each two planes 21, 22, or 23 aligned in the first direction are shifted in the first direction between the pairs adjacent in the second direction.
    Type: Grant
    Filed: January 3, 2023
    Date of Patent: April 9, 2024
    Assignee: Toyo Tire Corporation
    Inventor: Hikaru Kuriyama
  • Patent number: 11945261
    Abstract: Provided is a tire including, in a surface of a tread of the tire, a land portion row in which four land portions are arranged in parallel in a width direction of the tread, in a land portion on one end side of the land portion row, a recess that opens in a circumferential groove on an adjacent land portion side, and an intermittent sipe extending in an orientation intersecting the width direction of the tread, intermittently by being interrupted by the circumferential groove, from a position of a start end corresponding to the recess, across three land portions of the four land portions excluding the land portion on the one end side, wherein the intermittent sipe opens in a surface of each of the three land portions via an inclined surface from the surface of each of the three land portions toward the intermittent sipe.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: April 2, 2024
    Assignee: BRIDGESTONE CORPORATION
    Inventor: Takamitsu Nakamura
  • Patent number: 11945262
    Abstract: The invention relates to a utility vehicle tire tyre having a tread with at least one circumferential channel (2, 2?, 2?) with a channel base (5) and channel walls (4, 4?). Base elevations are formed on the channel base. A top surface (8, 8?, 8?) of the base elevations (7, 7?, 7?) slopes downward uniformly toward the surface edge, wherein the channel walls (4, 4?) have, to the side of the base elevations (7, 7?, 7?), wall sections (4b, 4?b) which are convexly curved toward one another.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: April 2, 2024
    Assignee: Continental Reifen Deutschland GmbH
    Inventors: Andre Lutz, Florian Kristen
  • Patent number: 11938760
    Abstract: A pneumatic tire includes a sidewall extending in a tire radial direction, the sidewall comprises a first side block which protrudes outwardly in a tire axial direction, the first side block comprises a first region which is arranged at an inwardmost location in the tire radial direction of the first side block, a second region which is contiguous with a location toward an exterior in the tire radial direction of the first region, and a third region which is contiguous with a location toward an exterior in the tire radial direction of the second region, the second region protrudes more than the first region, and the third region protrudes more than the second region.
    Type: Grant
    Filed: April 6, 2022
    Date of Patent: March 26, 2024
    Assignee: Toyo Tire Corporation
    Inventor: Shingo Sano
  • Patent number: 11938762
    Abstract: A tire sensor attachment structure is provided. The tire includes a pair of bead areas, a sidewall extending from each respective bead area to a tread, a carcass extending toroidally between each of the bead areas, and an innerliner that is disposed radially inwardly of the carcass. A sensor housing is attached to the innerliner, and defines an interior chamber. A sensor is disposed in the chamber. The tire sensor attachment structure includes a compressible body that is disposed in the chamber between the sensor and the innerliner.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: March 26, 2024
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Junling Zhao, Peter Jung-min Suh, Jeffrey McKay West, Arun Kumar Byatarayanapura Gopala, Michael William Kestner
  • Patent number: 11938759
    Abstract: A tire includes a sipe, on a surface of a tread of a tire, extending across a tire equator from one side to another side of the tire equator. An end of the sipe on at least the one side is located at a tread edge or near the tread edge, and an inclination angle of the sipe relative to a width direction of the tread decreases from the tire equator towards the tread edge.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: March 26, 2024
    Assignee: BRIDGESTONE CORPORATION
    Inventor: Kohei Sahashi
  • Patent number: 11932063
    Abstract: A tire (10) for two-wheeled vehicles comprises a crown (12) comprising: a tread (20), and a hoop reinforcement (17) comprising at least one hooping ply (19) comprising one or more hoop reinforcing elements (44) comprising an assembly made up of a multifilament strand of aromatic polyamide or aromatic copolyamide (47) and of a multifilament strand of aliphatic polyamide (48). The twist factor K of the hoop reinforcing element (44) ranges from 5.5 to 6.5. The tire (10) is obtained by a method comprising a step of manufacturing the hooping ply (19), in which the bonded reinforcing elements (44) are embedded in a polymer composition in order to form the uncured hooping ply, the equivalent initial tensile modulus of the uncured hooping ply ranging from 330 to 620 cN/tex/dm.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: March 19, 2024
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Florian Vilcot, Pierre Laurent, Claire Pucci, Aneta Babacz
  • Patent number: 11932056
    Abstract: In regions, divided by the tire equator, on both sides of the tread surface of a tire, the tire includes a grip area along the entire circumference of the tread, the grip area including a plurality of recessed lines, with a shape recessed toward an inner side of the tire from the outline of the tread surface, that extend from the tread edge side in a direction inclined relative to the tire equator and are arrayed in parallel, and a plurality of sipes that extend toward the tire equator in a direction inclined relative to the tire equator, starting in the grip area and terminating before the tire equator. The negative ratio in the grip area is higher than the negative ratio closer to the tire equator than the grip area.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: March 19, 2024
    Assignee: BRIDGESTONE CORPORATION
    Inventor: Kohei Sahashi
  • Patent number: 11926179
    Abstract: A method of preparing a sidewall support, the method comprising the steps of (i) providing a vulcanizable composition including an elastomer, a filler, a curative, and a eutectic composition; (ii) fabricating the vulcanizable composition into a green sidewall support; and (iii) subjecting the green sidewall support to curing conditions.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: March 12, 2024
    Assignee: Bridgestone Corporation
    Inventors: Erin Sheepwash, Ryan J. Hue
  • Patent number: 11926178
    Abstract: Tire (1) comprising a tread (8), the tire comprising at least one groove (2), at least one wear indicator (3) disposed in the groove (2), the wear indicator comprising a contact face (7) intended to come into contact with a roadway when the tire reaches a wear limit, the groove (2) comprising a texture (4) produced integrally with a bottom (10) of this groove (2), said texture (4) surrounding the wear indicator (3) and contrasting with the contact face (7) of the wear indicator.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: March 12, 2024
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Olivier Muhlhoff, Hélène Emorine, Arnaud Larregain, Nicolas Levy
  • Patent number: 11919341
    Abstract: A pneumatic tire is provided with a belt layer and a reinforcing layer provided outside the belt layer in tire radial direction. The reinforcing layer has an inner reinforcing layer in which a strip member having a plurality of cords is wound along tire circumferential direction, and an outer reinforcing layer in which the strip member having a plurality of cords is wound along the tire circumferential direction and is provided outside tire radial direction of the inner reinforcing layer. The outer reinforcing layer has a gap between adjacent strip members in tire width direction.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: March 5, 2024
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Akira Hishigae, Toru Hayashi
  • Patent number: 11912068
    Abstract: A tyre comprising a tread portion comprising first and second tread edges, a crown groove extending continuously in a tyre circumferential direction in a crown portion of the tyre, a first land portion between the first tread edge and the crown groove, and a second land portion extending from the crown groove towards the second tread edge. The first land portion is provided with first lateral grooves connected to the crown groove and extending from the crown groove in the direction to the first tread edge, and the second land portion is provided with second lateral grooves connected to the crown groove and extending from the crown groove in the direction to the second tread edge. The first land portion is divided into first blocks by the crown groove and the first lateral grooves, and the second land portion is divided into second blocks by the crown groove and the second lateral grooves.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: February 27, 2024
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Oliver Knispel, Daniel Kunkel, Jaap Leendertse