Patents Examined by Adrienne C. Johnstone
  • Patent number: 11565554
    Abstract: A tire has a rim protector has a first protruding edge which extends in the tire circumferential direction, a second protruding edge which extends in the tire circumferential direction, a plurality of recesses, and a plurality of ridges. The plurality of ridges respectively connect the first protruding edge and the second protruding edge. Each of the plurality of ridges includes a first ridge that extends from the first protruding edge so as to be directed in a first direction in the tire circumferential direction to reach the second protruding edge, and a second ridge that extends from the second protruding edge so as to be directed in the first direction to reach the first protruding edge. The first ridges and the second ridges are arranged in alternating fashion along the tire circumferential direction.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: January 31, 2023
    Assignee: TOYO TIRE CORPORATION
    Inventor: Shingo Kuwano
  • Patent number: 11565550
    Abstract: A tire for a two-wheeled motorized vehicle includes a tread joined by two sidewalls to two beads, the tread having first and second elastomer compositions, crown reinforcement, radially inside tread having a crown layer having mutually parallel circumferential reinforcers forming an angle at most equal to 5° to the circumferential direction, a carcass reinforcement, radially inside crown reinforcement, having turnup. Carcass reinforcement includes mutually parallel reinforcers, and wrapped, in each bead, from the inside to the outside of the tire, about bead wire in order to form turnup having free end E2. Carcass reinforcement includes crown portion and lateral portion, crown portion extending axially between first and second ends E2, E?2, E2 and E?2 being symmetric to equatorial plane P of the tire, lateral portion extending symmetrically to equatorial plane P radially towards the inside, from radially outermost end E2 to fourth end E4 disposed at the bead wire.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: January 31, 2023
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Charles Guicherd, Mickaël Precigout, Romain Bouchet, Christophe Laurent
  • Patent number: 11554616
    Abstract: In a pneumatic tire including an annular tread portion extending in a tire circumferential direction, a pair of sidewall portions disposed on both sides of the tread portion, and a pair of bead portions disposed on an inner side of the sidewall portions in a tire radial direction, a load support body is disposed extending along the tire circumferential direction on an inner side of each of the sidewall portions, and the load support body is removably mounted to an inner surface of the sidewall portion via a mechanical engagement device.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: January 17, 2023
    Assignee: THE YOKOHAMA RUBBER CO., LTD.
    Inventor: Atsushi Tanno
  • Patent number: 11535067
    Abstract: A pneumatic tire includes: a bead core; a bead filler; a carcass ply; a side wall rubber that is arranged on the tire-outer-surface-side of the carcass ply and constitutes a tire outer surface; a chafer layer that is turned from the tire-inner-surface-side to the tire-outer-surface-side around the bead core and the bead filler and rolled up on an outer surface of the carcass ply; a pair of a tape rubber and a rear pad rubber that are located between the side wall rubber and the carcass ply and arranged so as to hold a rolled-up end of the chafer layer from both sides in a tire width direction; and a tread rubber, in which modulus values of the pair of the tape rubber and the rear pad rubber are higher than a modulus value of the side wall rubber, and the tread rubber contains silica.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: December 27, 2022
    Assignee: TOYO TIRE CORPORATION
    Inventor: Haruka Kubo
  • Patent number: 11529830
    Abstract: A tire has a rim protector which is formed at a sidewall and which constitutes an annular protrusion that extends in a tire circumferential direction. The rim protector has not less than two recesses that extend toward the tread region from a location toward the bead region in such fashion as to be directed toward a location in a second direction from a location in a first direction in the tire circumferential direction, the not less than two recesses being arranged with spaces therebetween in the tire circumferential direction. A mutually adjacent pair of recesses among the not less than two recesses are in a positional relationship such that they partially overlap as seen when projected onto a virtual plane perpendicular to a tire radial direction.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: December 20, 2022
    Assignee: TOYO TIRE CORPORATION
    Inventors: Shingo Kuwano, Toshikazu Yasunaga
  • Patent number: 11491826
    Abstract: A tire has a rim protector which is formed at a sidewall and which constitutes an annular protrusion that extends in a tire circumferential direction. The rim protector has not less than two recesses that extend toward the tread region from a location toward the bead region in such fashion as to be directed toward a location in a second direction from a location in a first direction in the tire circumferential direction, the not less than two recesses being arranged with spaces therebetween in the tire circumferential direction. A mutually adjacent pair of recesses among the not less than two recesses are in a positional relationship such that they partially overlap as seen when projected onto a virtual plane perpendicular to a tire radial direction.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: November 8, 2022
    Assignee: TOYO TIRE CORPORATION
    Inventors: Shingo Kuwano, Toshikazu Yasunaga
  • Patent number: 11458769
    Abstract: Provided is a pneumatic tire having at least one carcass layer as a skeleton extending in toroidal shape over a pair of bead portions, at least one belt layer and a tread disposed on an outer side in the radial direction of a crown portion of the carcass. In a tire section in the widthwise direction in state where the tire is assembled to an application rim, ratio BD/BW of radius difference BD between radius at a center portion and radius at an end portion in the widthwise direction of an innermost layer of the belt layer, to width BW of the innermost layer, ranges from 0.01 to 0.04, and ratio TD/TW of radius difference TD between radius at a center portion and radius at an end portion of the tread in the widthwise direction of a tread ground surface, to tread ground-contact width TW, satisfies BD/BW<TD/TW.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: October 4, 2022
    Assignee: BRIDGESTONE CORPORATION
    Inventor: Shinsaku Katayama
  • Patent number: 11453255
    Abstract: The pneumatic tire includes: a belt layer, a belt reinforcing layer, a tread portion, sidewall portions, a rim cushion rubber, and an electrically conductive rubber disposed in the rim cushion rubber and includes a first end in contact with a rim and exposed on an outer surface of the rim cushion rubber and a second end in contact with a tire component adjacent to the rim cushion rubber. The electrical resistance value of the electrically conductive rubber and a portion of the tread portion is 1×106 ?·cm or less. The electrical resistance value of the tire component, a coating rubber of the belt layer, and a coating rubber of the belt reinforcing layer is from 1×106 ?·cm to 1×108 ?·cm. The electrical resistance value of the rim cushion rubber and a side rubber of the sidewall portions is 1×108 ?·cm or greater.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: September 27, 2022
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Isamu Kishizoe
  • Patent number: 11427037
    Abstract: A tire has a rim protector which is formed at a sidewall and which constitutes an annular protrusion that extends in a tire circumferential direction. The rim protector has not less than two recesses that extend toward the tread region from a location toward the bead region in such fashion as to be directed toward a location in a second direction from a location in a first direction in the tire circumferential direction, the not less than two recesses being arranged with spaces therebetween in the tire circumferential direction. A mutually adjacent pair of recesses among the not less than two recesses are in a positional relationship such that they partially overlap as seen when projected onto a virtual plane perpendicular to a tire radial direction.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: August 30, 2022
    Assignee: TOYO TIRE CORPORATION
    Inventors: Shingo Kuwano, Toshikazu Yasunaga
  • Patent number: 11383560
    Abstract: A tire for a two-wheeled automotive vehicle includes a carcass that is extended on and between one of beads and the other of the beads along inner sides of a tread and sidewalls. The carcass includes a first ply and a second ply that is layered outward of the first ply. The first ply is turned up around the beads from an inner side toward an outer side in an axial direction. By the turning-up, the first ply includes a main portion and turned-up portions. The second ply is turned back around the beads from the outer side toward the inner side in the axial direction. By the turning-back, the second ply includes a main portion and turned-back portions.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: July 12, 2022
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Junichiro Morozumi
  • Patent number: 11331961
    Abstract: A pneumatic tire includes a pair of bead cores; a pair of bead fillers that are connected to the pair of bead cores; a carcass ply that is suspended between the pair of bead cores; a side wall rubber that is arranged on a tire-outer-surface-side of the carcass ply and constitutes a tire outer surface; a chafer layer that is turned from a tire-inner-surface-side to the tire-outer-surface-side around the bead cores and the bead fillers and rolled up on an outer surface of the carcass ply; and a pair of support rubbers that are located between the side wall rubber and the carcass ply and arranged so as to hold a rolled-up end of the chafer layer from both sides in a tire width direction. A modulus values of the pair of support rubbers are higher than a modulus value of the side wall rubber.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: May 17, 2022
    Assignee: TOYO TIRE CORPORATION
    Inventor: Tatsuya Yamamoto
  • Patent number: 11325429
    Abstract: A tire has a tire center in the tire width direction. An intersection point of a carcass outer surface with a parallel line extending parallel with a rotation axis and passing through a tire maximum width position is denoted as P1. An intersection point of the parallel line LP with a side surface is denoted as P2. An intersection point of the parallel line with a protrusion portion outer surface of a protrusion portion is denoted as P3. A distance between the tire center and the intersection point P1 is denoted as W1. A distance between the tire center and the intersection point P3 is denoted as W3. A distance between the intersection point P1 and the intersection point P2 is denoted as G1. A distance between the intersection point P2 and the intersection point P3 is denoted as G2. 0.80?W1/W3?0.95 and 0.1?G1/G2?1.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: May 10, 2022
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Masatoshi Kuriyama
  • Patent number: 11318797
    Abstract: A pneumatic tire includes a pair of bead cores; a pair of bead fillers; a carcass ply; a side wall rubber; a chafer layer that is rolled up on an outer surface of the carcass ply; and a pair of support rubbers that is located between the side wall rubber and the carcass ply and arranged such that a rolled-up end of the chafer layer is sandwiched from both sides in a tire width direction. The pair of support rubbers includes a tape rubber located inside in the tire width direction and a rear pad rubber located outside in the tire width direction. A modulus value of the tape rubber is higher than a modulus value of the side wall rubber. A modulus value of the rear pad rubber is higher than the modulus value of the tape rubber.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: May 3, 2022
    Assignee: TOYO TIRE CORPORATION
    Inventor: Kunihiko Nagai
  • Patent number: 11305583
    Abstract: A pneumatic tire comprises a carcass layer, a belt layer disposed on an outer side of the carcass layer in a tire radial direction, and a tread rubber disposed on the outer side of the belt layer in the tire radial direction. The belt layer formed by laminating an angle belt having a belt angle ?45° and ?70° in absolute values, a pair of cross belts, having belt angles of ?10° and ?45° in absolute values and having belt angles of mutually opposite signs, and a circumferential reinforcing layer having a belt angle within a range of ±5° with respect to a tire circumferential direction. A tread width TW and a cross-sectional width Wca of the carcass layer have a relationship such that 0.82?TW/Wca?0.92. A width Ws of the circumferential reinforcing layer and a cross-sectional width Wca of the carcass layer such that 0.60?Ws/Wca?0.70.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: April 19, 2022
    Inventor: Hideki Hamanaka
  • Patent number: 11198333
    Abstract: In a tire 2, each of sidewalls 6 includes a first layer 36 disposed axially outward of a corresponding one of beads 8, and a second layer 38 extending outward from the first layer 36 in a radial direction. When Pc represents a position of an axially outer end of an interface between a carcass 10 and the sidewall 6, an outer end 40 of the first layer 36 is disposed radially inward of the position Pc. A hardness H1 of the first layer 36 is greater than a hardness H2 of the second layer 38. A ratio (H2/H1) of the hardness H2 to the hardness H1 is preferably not less than 0.70 and preferably not greater than 0.95.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: December 14, 2021
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Masafumi Otani
  • Patent number: 11173754
    Abstract: A pneumatic tire is provided including a plurality of protrusions and a plurality of recesses of at least one tire side portion. A region including the recesses is provided in the outermost side in a tire radial direction. The protrusions are formed as convexities having a longitudinal shape in a predetermined direction. A region including the protrusions is provided inward in the tire radial direction of the region including the recesses.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: November 16, 2021
    Inventors: Hiroshi Fujii, Masatoshi Kuwajima, Masataka Koishi
  • Patent number: 11173752
    Abstract: A tire made of rubber material includes a sidewall and a marking protruding from this sidewall. The tire has a texture, which has a plurality of strands protruding from the sidewall, these strands being distributed at a density at least equal to five strands per square millimeter (mm2), each strand having a mean cross section between 0.0007 mm2 and 0.06 mm2 and/or the texture having a plurality of substantially mutually parallel lamellae protruding from the sidewall, the spacing of the lamellae being less than or equal to 0.5 mm, each lamella having a mean width between 0.03 mm and 0.3 mm. The texture protrudes from the sidewall of the tire, and this texture surrounds all or part of the marking.
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: November 16, 2021
    Assignees: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, MICHELIN RECHERCHE ET TECHNIQUE, S.A.
    Inventors: Helene Emorine, Olivier Muhlhoff, Mathieu Vandaele
  • Patent number: 11142027
    Abstract: A pneumatic tire 1 comprises a carcass 6 comprising a carcass ply (6A) comprising a main body portion (6a) and turned up portions (6b), and bead apex rubbers 8. Each of the bead apex rubbers 8 comprises a first rubber portion 10 and a second rubber portion 11 provided on an outer side in a tire axial direction of the first rubber portion and having smaller rubber hardness than the first rubber portion. A ratio H1/H2 of a height (H1) of an outer end (10e) in a tire radial direction of the first rubber portion 10 from a bead base line (BL) and a height (H2) of an outer end in the tire radial direction of each of the turned up portions (6b) from the bead base line (BL) is in a range of from 1.4 to 1.7.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: October 12, 2021
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Hana Sato
  • Patent number: 11130300
    Abstract: A pneumatic tire and a method for producing the pneumatic tire, wherein the pneumatic tire includes a generally string-shaped adhesive sealant, the sealant is continuously and spirally attached at least to the inner periphery of the tire that corresponds to a tread portion, the sealant has a wider portion on at least one of the longitudinal ends thereof, and the wider portion has a width larger than that of the longitudinally adjoining portion.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: September 28, 2021
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Naoki Yukawa, Satoshi Yamada, Mutsuki Sugimoto
  • Patent number: 11090979
    Abstract: A tire of the “bias belted” type for a motorbike comprises: a tread (2) connected by two sidewalls (3) to two beads (4). A crown reinforcement (5) is radially on the inside of the tread (2) and comprises at least one crown layer (51, 52), such a crown layer (51, 52) comprising mutually parallel reinforcers. A carcass reinforcement (6) is radially on the inside of the crown reinforcement (5) and comprises at least two carcass layers (61, 62, 63), each comprising mutually parallel reinforcers, and crossed from one carcass layer to the next. The reinforcers of each crown layer (51, 52) form, with the circumferential direction (XX?), an angle between 15° and 25° in the equatorial plane (XZ), and the reinforcers of each carcass layer (61, 62, 63) form, with the circumferential direction (XX?), an angle between 40° and 50° in the equatorial plane (XZ).
    Type: Grant
    Filed: June 5, 2014
    Date of Patent: August 17, 2021
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventor: Christophe Laurent