Patents Examined by Justin Fischer
  • Patent number: 9873289
    Abstract: A pneumatic tire including: a cylindrical annular structure; a rubber layer, which will become a tread portion, provided along a circumferential direction of the annular structure on an outer side of the annular structure; a carcass portion provided on at least both sides in a width direction of the cylindrical structure including the annular structure and the rubber layer; and an extending portion that extends from both sides in the width direction of the annular structure farther outward in the width direction than a ground contact edge on the outer side in the width direction of the tread portion, and that is provided in plurality on both sides in the width direction along the circumferential direction of the annular structure.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: January 23, 2018
    Assignee: The Yokohama Rubber Co., LTD.
    Inventors: Atsushi Tanno, Noboru Takada, Yuji Sato, Jun Matsuda, Yuji Kodama, Susumu Imamiya
  • Patent number: 9862232
    Abstract: A pneumatic tyre for heavy load vehicle wheels, includes: a carcass structure, a belt structure applied in a radially outer position with respect to the carcass structure, and a tread band. The belt structure includes at least one reinforcing layer incorporating a plurality of reinforcing cords arranged substantially along the circumferential direction. The belt structure further comprises a first main belt layer and a second main belt layer wherein the first main belt layer includes a first plurality of metal cords inclined at a first angle and the second main belt layer includes a second plurality of metal cords inclined at a second angle. The metal cords of the first and second plurality of metal cords have a diameter not greater than 1.30 mm, and include a plurality of filaments having a diameter not greater than 0.30 mm.
    Type: Grant
    Filed: May 23, 2012
    Date of Patent: January 9, 2018
    Assignee: PIRELLI TYRE S.P.A.
    Inventors: Alessandro Ascanelli, Alexandre Bregantim, Giuseppe Cereda, Guido Luigi Daghini, Riccardo Pirovano
  • Patent number: 9862235
    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 is formed by laminating a pair of cross belts having a belt angle, as an absolute value, of not less than 10° and not more than 45° and having a 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 total tire width SW have a relationship such that 0.79?TW/SW?0.89.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: January 9, 2018
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Kohshi Iga
  • Patent number: 9855798
    Abstract: The inner liner is composed of a polymer layer stack including a first layer containing an SIBS and a second layer containing at least one of an SIS and an SIB. At least one of the first layer and the second layer is a polymer composition containing one of a C4 polymer obtained by polymerizing a monomer unit having 4 carbon atoms, a layered clay mineral with an organic compound intercalated therein and at least one kind of rubber component selected from the group consisting of a natural rubber, an isoprene rubber and a butyl rubber. The second layer is arranged to come into contact with a rubber layer of the carcass ply. The inner liner has a thickness Ge at a shoulder position Pe exceeding 100% and being less than or equal to 500% of a thickness Gc at a crown central position Pc.
    Type: Grant
    Filed: April 10, 2012
    Date of Patent: January 2, 2018
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Mutsuki Sugimoto, Tsuyoshi Tsuchida, Tomomi Masui, Reika Otake
  • Patent number: 9849733
    Abstract: A heavy duty pneumatic tire includes a pair of beads, a carcass and a pair of bead fillers laminated outward with respect to the beads in the axial direction, respectively. Each bead includes a core and an apex, the carcass includes a carcass ply folded back around the core and having a main portion and a folding-back portion, each bead filler has an outer edge, an inner edge and a fitting portion to fit to a rim, the fitting portion includes a bottom surface to make contact with a seat surface of the rim and an outer-side contact surface to make contact with a flange of the rim, and the outer-side contact surface has inner-side, outer-side and middle portions such that when not mounted to the rim, the middle portion is recessed inward with respect to imaginary straight line L1 passing through outer edges of the inner-side and outer-side portions.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: December 26, 2017
    Assignee: SUMITOMO RUBBER INDUSTRIES LTD.
    Inventor: Taro Okabe
  • Patent number: 9834043
    Abstract: A run flat tire having a side reinforcing rubber part is disclosed. The side reinforcing rubber part is formed by a rubber composition having a ratio (M50H/M50N) of tensile stress (M50H) in 50% elongation at a measurement temperature of 100° C. to tensile stress (M50N) in 50% elongation at a measurement temperature of 23° C. of from 1.0 to 1.3. A cushion rubber layer interposed between the side reinforcing rubber part and a bead filler is provided, and tensile stress in 50% elongation at a measurement temperature of 23° C. of a rubber composition forming the cushion rubber layer is larger than tensile stress in 50% elongation at a measurement temperature of 23° C. of the rubber composition forming the side reinforcing rubber part, and is smaller than tensile stress in 50% elongation at a measurement temperature of 23° C. of a rubber composition forming the bead filler.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: December 5, 2017
    Assignee: Toyo Tire & Rubber Co., Ltd.
    Inventor: Shinsaku Kamada
  • Patent number: 9827724
    Abstract: A method of mounting an object on a tire includes providing a tire having a sidewall, wherein the sidewall includes a mounting portion configured to receive an object. The method further includes mounting the object on the mounting portion of the sidewall, such that the object is visible without extending outwardly beyond the mounting portion.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: November 28, 2017
    Assignee: BRIDGESTONE AMERICAS TIRE OPERATIONS, LLC
    Inventors: Hans R. Dorfi, Kevin Scheifele, Terence Eugene Wei, Paul Wilson, Andrew Miklic
  • Patent number: 9821612
    Abstract: The present invention provides a tire including a side portion (104), a black rubber layer (113), a stain-preventing rubber layer (112) disposed adjacent to the black rubber layer, and a colored layer (111) disposed on the surface of the stain-preventing rubber layer and exposed on the outer surface of the side portion; a tire including a colored layer (207) disposed on the outer surface of the tire, and an underlayer rubber (208) disposed on the tire-interior side of the colored layer, wherein the colored layer is formed by curing a UV-curable paint; and a tire including a colored layer (302) on the surface of the side portion (301) of the tire, wherein the colored layer includes a marking (303).
    Type: Grant
    Filed: January 8, 2013
    Date of Patent: November 21, 2017
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Takashi Sakamoto, Takahiro Miura, Daisuke Nakagawa
  • Patent number: 9821609
    Abstract: An object is to, in an aircraft tire, promote heat dissipation from circumferential direction grooves of a tread and improve durability of the tire. Plural circumferential direction grooves (central side circumferential direction grooves (14), edge portion side circumferential direction grooves (16)) that extend in a tire circumferential direction are formed in a tread (12). In a tire circumferential direction cross-section, a groove bottom (18) of at least one of the circumferential direction grooves has a wave shape having amplitude in a tire radial direction.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: November 21, 2017
    Assignee: BRIDGESTONE CORPORATION
    Inventor: Takeshi Yano
  • Patent number: 9815330
    Abstract: The laminate according to the present invention includes a thermoplastic resin film-containing layer and a rubber layer, in which the rubber layer contains a modified diene polymer, and the rubber layer has a dynamic storage modulus E? at ?20° C. of 1.0×105 to 1.0×108 Pa. This laminate can improve the resistance to the fractures and the cracks of the inner liner.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: November 14, 2017
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Takuya Ogasawara, Hideyuki Chiashi, Hideki Kitano
  • Patent number: 9815338
    Abstract: To improve durability performance and rolling resistance performance in a well-balanced manner. It is a tire for heavy loads including a carcass ply (6A). A sidewall rubber (3G) includes an inside rubber part (15) on the carcass (6) side, and an outside rubber part (16) disposed on the outside thereof and forming a tire outer surface. The inside rubber part (15) has a loss tangent tan ?1 less than the outside rubber part (16), and their difference is 0.010 to 0.035. The inside rubber part (15) has a complex elastic modulus less than the outside rubber part (16), their difference is 0.5 to 1.4 (MPa). The outer end (15s) in the tire radial direction of the inside rubber part (15) contacts with the outer surface (2h) in the tire axial direction of the tread rubber (2G), and the inner end (15u) in the tire radial direction is disposed radially inside the outer end (6e) in the tire radial direction of the turned up portion (6b) of the carcass ply (6A).
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: November 14, 2017
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Hiroki Takahashi
  • Patent number: 9809064
    Abstract: A pneumatic tire, comprising at least sidewall portions and rim guards each provided at the corresponding sidewall portion, wherein: in a cross section in the width direction of the tire assembled with a prescribed rim, an outer contour line, of the rim guard, situated on the outer side in the tire radial direction than the radially outermost peak of the rim guard has an arcuate configuration of which the center of curvature is located on the external side of the tire; radius of curvature R of the outer contour line is in the range of 5 mm?R?40 mm; and provided that H represents a distance in the tire radial direction measured from the radially innermost peak to the outermost position in the tire radial direction of a rim flange, 2 mm?H?40 mm.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: November 7, 2017
    Assignee: BRIDGESTONE CORPORATION
    Inventor: Toshiki Nagai
  • Patent number: 9802376
    Abstract: A pair of annular inserts of elastomeric material is circumferentially applied by spiraling around a laying surface of an auxiliary drum. Then a plurality of strip-like elements disposed in parallel side by side relationship with each other in the circumferential extension of the laying surface is applied onto the auxiliary drum, so as to form at least one first belt layer. Respectively opposite end portions of each strip-like element are radially superposed, each against one of the annular inserts, so that each of the annular inserts projects from a respective end edge of the strip-like element. The cap structure formed on the auxiliary drum is coupled to a carcass structure through toroidal conformation of the latter, in such a manner that the radially external ends of sidewall portions previously manufactured on the carcass plies are associated with the axially external ends of the annular inserts.
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: October 31, 2017
    Assignee: PIRELLI TYRE S.P.A.
    Inventor: Gianni Mancini
  • Patent number: 9796214
    Abstract: To provide a pneumatic tire 34 in which weight reduction is achieved without deteriorating internal pressure maintaining performance. The tire 34 includes a liner 46 located inward of a carcass 42. The liner 46 includes a first inner liner 66 extending on and between one of beads and the other of the beads and along and inward of the carcass 42; and a pair of second inner liners 68 extending from ends 62a of a belt 44, respectively, along the first inner liner 66 substantially inward in a radial direction. The second inner liners 68 are located between the first inner liner 66 and the carcass 42. The first inner liner 66 is formed by a first rubber composition being crosslinked. A base rubber of the first rubber composition includes a butyl rubber. Each second inner liner 68 is formed by a second rubber composition being crosslinked. A base rubber of the second rubber composition includes a diene rubber.
    Type: Grant
    Filed: October 2, 2012
    Date of Patent: October 24, 2017
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Yukishige Adachi, Yutaka Ichiryu
  • Patent number: 9783002
    Abstract: A tire for a handling vehicle, designed to transport heavy loads, over short distances and at low speeds, and a mounted assembly consisting of a tire mounted on a rim. Also, a method for producing such a mounted assembly. A mounted assembly includes a tire mounted on a rim, having a tread designed to come into contact with a ground, two sidewalls extending radially inwards from the ends of the tread, and two beads extending the sidewalls radially inwards and in contact with the rim, an internal cavity containing a filling component consisting of at least one incompressible solid element, and which is a granular filling component consisting of granules at least partly separated from one another by interstices containing at least gas, and the fill rate, which is the ratio between the total volume of the granules, the total of the elementary volumes of the granules, and the volume of the internal cavity, is at least equal to 0.8.
    Type: Grant
    Filed: April 12, 2012
    Date of Patent: October 10, 2017
    Assignees: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, MICHELIN RECHERCHE ET TECHNIQUE S.A.
    Inventors: Olivier Ferlin, Gérard Bor
  • Patent number: 9776456
    Abstract: A racing tire comprising a tread having a new tread thickness of no greater than about 0.375 inch. The tread defines a running surface that includes a first circumferential portion of a first rubber compound and a second circumferential portion of a second rubber compound situated adjacent one another. The first rubber compound has a greater stiffness than the second rubber compound so as to provide the tread with greater wear resistance along the first circumferential portion, and the second rubber compound provides the tread with greater traction along the second circumferential portion. The tread may be substantially free of a tread pattern. The second rubber compound may have a greater DIN abrasion value than the first rubber compound. The second rubber compound may have a higher tan delta at 100° C. and/or a higher J? traction value than the first rubber compound.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: October 3, 2017
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Paul Harry Sandstrom, Andrew Frederick Weimer, Richard Barkley Campbell, Thomas Charles Lippello, III, Mark Alan Keto, Larry Alan Kraus, Steven Wayne Cronin
  • Patent number: 9770949
    Abstract: A tire includes a circular tire frame body formed of a resin-containing material. The resin material has a sea-island structure including a sea phase constituted by a first resin material and an island phase constituted by a second resin material, and the island phase is harder than the sea phase.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: September 26, 2017
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Hiroyuki Fudemoto, Takashi Harada, Tong Gao, Atsuko Honjo
  • Patent number: 9751364
    Abstract: A multilayer laminate, which is usable as a reinforcing element for a finished article or for a semifinished product made of rubber, such as a tire, includes at least one polymer film having, in any tensile direction in the film's plane, a Young's modulus that is greater than 500 MPa. The film is positioned between and in contact with two layers formed of a rubber composition, such as natural rubber. Each layer formed of the rubber composition exhibits, in a crosslinked state, a secant modulus that, in extension at 10% elongation, is greater than 30 MPa, with between 30 and 150 MPa being preferable for the secant modulus.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: September 5, 2017
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Jean-Michel Huyghe, Christophe Le Clerc, Aline Riou, Anne-Lise Thuilliez
  • Patent number: 9752017
    Abstract: Provided is an air permeation resistant film in which flexibility can be imparted to the film without remarkably increasing the proportion of a rubber constituting a dispersed phase. An air permeation resistant film comprising (A) a thermoplastic polyester elastomer which comprises a block copolymer containing a polyester as a hard segment and has a melting point of from 180 to 230° C., and (B) a rubber, in a mass ratio (A)/(B) of from 90/10 to 40/60, wherein the component (A) and the component (B) are melt-kneaded to perform dynamic crosslink, thereby forming a continuous phase composed of the component (A) and a dispersed phase composed of the component (B), and the film has an air permeation coefficient at 80° C. of 5×1013 fm2/Pa·s or less and Young's modulus of 120 MPa or less.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: September 5, 2017
    Assignees: TOYO TIRE & RUBBER CO., LTD., TOYOBO CO., LTD.
    Inventors: Toshiki Shimizu, Shigenori Inata, Tomohiko Kurahashi, Junzo Matsuno, Tatsuya Endo, Shigeo Ukyo, Momoko Daitoku
  • Patent number: 9744812
    Abstract: Assembly comprising a tire and a mounting rim, the tire comprising two beads each comprising at least one annular reinforcing structure and a carcass reinforcement anchored in the two beads by a turn-up, each bead comprising a filler of a rubber composition extending radially a radial distance DBE from the radially innermost point of the annular reinforcing structure, DBE being less than or equal to 10% of the radial height H of the tire, at least one sidewall further comprising a stiffening reinforcement of metallic reinforcing elements oriented at an angle less than or equal to 10 degrees to the circumferential direction, and positioned such that the distance DAE between the radially innermost point of the annular reinforcing structure and the radially outer end of the stiffening reinforcement is greater than or equal to 20% and less than or equal to 40% of H and that the distance DAI between the radially inner point of the annular reinforcing structure and the radially inner end of the stiffening reinforce
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: August 29, 2017
    Assignees: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, MICHELIN RECHERCHE ET TECHNIQUE S.A.
    Inventor: Frederic Bourgeois