Patents Examined by Adrienne C. Johnstone
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Patent number: 11014415Abstract: A pneumatic tire for resonance noise reduction, which includes a plurality of resonance noise-reducing members that are disposed along the circumferential direction of the inner liner of a tire, and are formed to protrude from the inner liner so as to reduce the interference of the resonance noises generated inside the tire. The resonance noise-reducing members are formed at an irregular interval of disposition along the circumferential direction of the inner liner.Type: GrantFiled: December 1, 2016Date of Patent: May 25, 2021Assignee: HANKOOK TIRE CO., LTD.Inventor: Hyun Kyu Lee
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Patent number: 10981417Abstract: A pneumatic tire 1 comprises a carcass 6 comprising at least one carcass ply 6A extending between bead portions 4 via sidewall portions 3 and a tread portion 2. The carcass ply 6A comprises strip-shaped ply pieces 11 longer in a tire radial direction than in a tire circumferential direction arranged circumferentially. Each of the ply pieces 11 comprises a plurality of carcass cords 12 arranged in parallel in the tire radial direction and at least partly overlapping each other with the ply pieces 11 circumferentially adjacent. At least one of the carcass cords 12 arranged in at least one of side edge portions 11e in the tire circumferential direction of each of the ply pieces 11 having a diameter (Ce) smaller than a diameter (Cc) of at least one of the carcass cords 12 arranged in a center portion 11c of each of the ply pieces 11.Type: GrantFiled: March 7, 2016Date of Patent: April 20, 2021Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventor: Kei Kohara
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Patent number: 10864781Abstract: A pneumatic tire has a rim strip rubber. A radial height of the rim strip rubber on the basis of an outer diameter position of a bead core is equal to or more than 70% of a radial height of a tire outer diameter position. An upper end of a side reinforcing layer is arranged closer to an outer side radially than an upper end of a bead filler. A distance from a tire maximum width position to the upper end of the side reinforcing layer is equal to or less than 5 mm. The maximum thickness Tw of the rim strip rubber between the upper end of the bead filler and the upper end of the side reinforcing layer is greater than the maximum thickness Tm of the rim strip rubber closer to the outer side radially than the upper end of the side reinforcing layer.Type: GrantFiled: October 17, 2017Date of Patent: December 15, 2020Assignee: TOYO TIRE CORPORATIONInventor: Kazuo Shimomura
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Patent number: 10857839Abstract: A tire 10 has a decoration portion 15 using a paint on a surface of a side portion 12. The decoration portion 15 has a white paint layer 16 formed on at least a part of the decoration portion 15, a color paint layer 17 disposed by laminating on the white paint layer 16 and having a thickness less than the thickness of the white paint layer 16, and a protective layer 18 disposed by laminating on the color paint layer 17 and having the thickness less than the thickness of the white paint layer 16. The elastic modulus of the protective layer is larger than the elastic modulus of the white paint layer and the color paint layer. A thickness of the decoration portion 15 as a whole, including the white paint layer 15, the color paint layer 17 and the protective layer 18, is 150 ?m or less.Type: GrantFiled: April 21, 2014Date of Patent: December 8, 2020Assignee: BRIDGESTONE CORPORATIONInventors: Keita Oshikane, Nobuyuki Hirai, Takashi Kuwahara, Kentaro Mizotani, Yuki Nakamura
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Patent number: 10857838Abstract: In a tire 2 of the present invention, sidewalls 6 each include an outer layer 6a, and an inner layer 6b disposed inward of the outer layer 6a in the axial direction. A loss tangent of the inner layer 6b is less than a loss tangent of the outer layer 6a. When Hr represents a height, in the radial direction, from a bead base line BBL to an outer side end of a rim R, and Hi represents a height, in the radial direction, from the bead base line BBL to an inner side end 46 of the inner layer 6b, a ratio (Hi/Hr) of the height Hi to the height Hr is greater than or equal to 0.0 and not greater than 3.0.Type: GrantFiled: January 6, 2017Date of Patent: December 8, 2020Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventor: Daisuke Todoroki
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Patent number: 10850575Abstract: Provided is a pneumatic tire in which a sealant layer entirely exhibits sufficient sealing performance. The present invention relates to a pneumatic tire including a sealant layer located radially inside an innerliner, the sealant layer being formed by continuously and spirally applying a generally string-shaped sealant to the inner periphery of a tire in the tire width direction from one side to the other, the attachment start portion of the sealant being located tire-widthwise inward from the tire-widthwise end of the sealant layer.Type: GrantFiled: October 16, 2015Date of Patent: December 1, 2020Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Naoki Yukawa, Yogun Kida, Mutsuki Sugimoto, Satoshi Yamada
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Patent number: 10850574Abstract: A pneumatic tire includes: a rim cushion rubber disposed in a bead portion where the bead portion and a rim are in contact with each other; an electrically conductive rubber disposed in the rim cushion rubber, the electrically conductive rubber having an electrical resistance value lower than that of the rim cushion rubber, and including a first end exposed on an outer surface of the rim cushion rubber in contact with the rim, and a second end disposed in contact with a tire component adjacent to the rim cushion rubber; and an ground tread rubber disposed in a tread portion passing through a cap tread rubber and an undertread rubber of the tread portion, the ground tread rubber having an electrical resistance value lower than that of the cap tread rubber.Type: GrantFiled: August 28, 2015Date of Patent: December 1, 2020Inventor: Isamu Kishizoe
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Patent number: 10836213Abstract: A passenger vehicle pneumatic tire comprising: a carcass; and inclined belt layers and a circumferential belt layer, wherein: the inclined belt layers include at least two inclined belt layers having different tire widthwise widths; an inclination angle ?1 with respect to the tire circumferential direction of the cords forming the inclined belt layer having the widest width and an inclination angle ?2 with respect to the tire circumferential direction of the cords forming the inclined belt layer having the narrowest width satisfy correlations that 30°??1?85°, 10°??2?30°, and ?1>?2; and a tire widthwise width W1 of the inclined belt layer having the widest width and a tire widthwise width W2 of the inclined belt layer having the narrowest width satisfy a correlation that W2?0.6W1.Type: GrantFiled: July 7, 2014Date of Patent: November 17, 2020Assignee: BRIDGESTONE CORPORATIONInventor: Isao Kuwayama
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Patent number: 10821785Abstract: In a pneumatic tire 2 according to the present invention, in the vicinity of a bead 10 portion, a main portion 42 of a carcass ply 40 is passed through the vicinity of a neutral surface. A tensile force and a compressive force applied to the main portion 42 are small. In the tire 2, occurrence of pinch cut is suppressed. In addition, this structure alleviates a force applied to the main portion 42 even during run-flat running. In the tire 2, damage is less likely to occur even during run-flat running for a long period of time. The tire 2 has excellent run-flat durability. Furthermore, in the tire 2, an increase in the vertical stiffness constant or weight thereof is suppressed.Type: GrantFiled: January 6, 2017Date of Patent: November 3, 2020Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventor: Yasuo Mitarai
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Patent number: 10821778Abstract: A tire including a circular tire frame formed of a resin material, and a metal reinforcing cord member wound on the outer circumference of the tire frame, wherein at least a portion of the metal reinforcing cord member is covered by a covering mixture including at least an olefin-based thermoplastic resin and a thermoplastic resin other than the olefin-based thermoplastic resin.Type: GrantFiled: February 28, 2013Date of Patent: November 3, 2020Assignee: BRIDGESTONE CORPORATIONInventors: Takashi Harada, Hiroyuki Fudemoto, Kunio Machida
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Patent number: 10792959Abstract: A tire comprises a bead having an axial width at the seat D comprising a circumferential reinforcing element (22) of which the radially innermost point (222) is at a radial distance Z and at an axial distance Y from the radially innermost point (211) of the bead, and such that Y/D is at least equal to 0.5 and Z/D is at most equal to 0.4. The end of the carcass reinforcement (311) is situated radially on the outside of the radially outermost point (223) of the circumferential reinforcing element. This same bead comprises at least one bead layer (23) surrounding the bead filler rubber (21) and such that its axially outermost end (231) is radially on the outside of the end (311) and such that its axially innermost end (232) is at least radially on the outside of the point (222).Type: GrantFiled: September 18, 2015Date of Patent: October 6, 2020Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Francis Bordoz, Pascal Pachoud, Lionel Maubre
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Patent number: 10787041Abstract: Provided is a pneumatic tire including, on an outer surface of its sidewall portion, a decorative portion including a print layer and a protective layer located on a tire outer side of the print layer. The decorative portion further includes an intermediate layer located between the print layer and the protective layer. When a storage modulus of the print layer, a storage modulus of the protective layer, and a storage modulus of the intermediate layer are respectively defined as E1?, E2?, and E3?, the following relational expression is satisfied: E2?>E3?>E1?.Type: GrantFiled: July 24, 2015Date of Patent: September 29, 2020Assignee: BRIDGESTONE CORPORATIONInventors: Kentaro Mizotani, Nobuyuki Hirai, Takashi Kuwahara, Yuki Nakamura, Keita Oshikane, Toshio Furutaka, Yasuma Saito, Yukio Sugita
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Patent number: 10752059Abstract: A tire comprises at least one bead having an axial width at the seat D comprises at least one main circumferential reinforcing element of which the radially innermost point is at a radial distance Z and at an axial distance Y from the radially innermost point of the bead, and such that Y/D is at least equal to 0.5 and Z/D is at most equal to 0.4. This same bead comprises at least one bead layer surrounding the bead filler rubber such that its axially outermost end is radially on the outside of the end of the carcass layer and it also comprises at least one additional circumferential reinforcing element, radially on the inside of the radially outermost point of the main circumferential reinforcing element.Type: GrantFiled: May 19, 2016Date of Patent: August 25, 2020Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventor: Francis Bordoz
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Patent number: 10744826Abstract: In a tire 2, each load support layer 22 extends from a side portion 24 of the tire 2 to a radially inner side of a belt 14 at an inner side of a carcass 12. A ratio (SP/WB) of a width SP from an equator plane to an outer edge 48 of the load support layer 22, relative to a width WB from the equator plane to an edge of the belt 14, in an axial direction is equal to or greater than 0.1 and equal to or less than 0.6.Type: GrantFiled: January 6, 2017Date of Patent: August 18, 2020Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventor: Yasuo Mitarai
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Patent number: 10723181Abstract: The present technology provides a pneumatic tire having a strip-shaped sound-absorbing member bonded on the inner surface of the tire includes a plurality of belt layers, two or more belt cover layers, one or more belt edge cover layers, and a thread rubber layer. The thickness of the tread rubber layer is substantially uniform in the region X where the sound-absorbing member is located so that the difference between the thickness t1 at an end of the sound-absorbing member and the thickness t0 at the position of the tire equator is equal to or less than 0.5 mm. The thickness of the tread rubber layer is smaller in the region Y where the belt edge cover layer is located than in the region X so that the difference between the minimum value t2 of the thickness in the region Y and the thickness t0 ranges from 1.0 to 4.0 mm.Type: GrantFiled: December 9, 2014Date of Patent: July 28, 2020Assignee: The Yokohama Rubber Co., LTD.Inventors: Isamu Kishizoe, Atsushi Tanno
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Patent number: 10723180Abstract: In a tire, in a cross-section of a core of a bead taken at a plane perpendicular to the circumferential direction, two or more rows of wire cross-sections aligned in the axial direction are stacked. When the radially innermost row is a first row and a row immediately outside the innermost row in the radial direction is a second row, the number of the cross-sections of the wire in the first row is less than that in the second row. An inner end of the second row is axially inward of a line drawn from an inner end of the first row and is perpendicular to a direction in which the first row extends. In the cross-section of the core taken at a plane perpendicular to the circumferential direction, an angle between a bottom side of the core and a bead base line is 2° to not greater than 9°.Type: GrantFiled: January 6, 2015Date of Patent: July 28, 2020Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventor: Hiroyuki Tatsumi
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Patent number: 10717328Abstract: A system. The system includes a wheel, a tire, a plurality of pressurized load cells and a sleeve member. The wheel includes a first flange portion, a second flange portion and a barrel portion positioned between the first and second flange portions. The tire is mounted to the wheel. The wheel and the tire cooperate to define a tire cavity. The tire includes a first beaded portion and a second beaded portion. The plurality of pressurized load cells are positioned within the tire cavity. The sleeve member is positioned within the tire cavity and surrounds and constrains the plurality of pressurized load cells.Type: GrantFiled: February 23, 2015Date of Patent: July 21, 2020Assignee: HUTCHINSON S.A.Inventors: Olivier Marsaly, Lars Johan Resare, Michael G. Hartman, Olivier Noblanc, Florence Ratet
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Patent number: 10695994Abstract: The present disclosure discloses a quick tire repairing nail. The quick tire repairing nail includes a tire repairing screw made of hard materials, at the front end of the tire repairing screw is provided with a sharp portion and at the rear end of the tire repairing screw is provided with a screw head, and a surface of the screw head which is far away from the tire repairing screw is provided with a concave-convex matching structure. The tire repairing nail further includes a sealing sleeve wrapping the outside of the screw head and/or the tire repairing screw, the sealing sleeve is made of soft materials and has a taper structure with a small front end and a bigger rear end.Type: GrantFiled: August 30, 2016Date of Patent: June 30, 2020Inventor: Guochao Zhu
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Patent number: 10661611Abstract: In a side reinforcing type tire 2, when a cross-sectional height of the tire 2 is denoted by L, a height in a radial direction from a bead base line to an outer edge of a core 34 is denoted by HC, a point on a turned-up portion 42 of a carcass ply 38 at which point a height in the radial direction from the bead base line is 0.35 times of the height L is denoted by P1, and a point on the turned-up portion 42 at which point the height in the radial direction from the bead base line is equal to the height HC is denoted by P2, the turned-up portion 42 has, between the point P1 and the point P2, a shape that is a curved line projecting inward in an axial direction, a straight line, or a combination thereof.Type: GrantFiled: January 6, 2017Date of Patent: May 26, 2020Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventor: Yasuo Mitarai
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Patent number: 10632798Abstract: Each side piece 40 of a tire 2 includes a rim protector 42. A bob profile representing a contour of the rim protector 42 includes a first circular arc extending outward from a top PT of the rim protector 42, and a second circular arc extending inward from the top PT. A center of the first circular arc is located inward of the bob profile, and a center of the second circular arc is located outward of the bob profile. The side piece 40 includes a side apex 22, and the side apex 22 intersects a normal line LT that is normal to a carcass 12 and passes through the top PT.Type: GrantFiled: October 25, 2017Date of Patent: April 28, 2020Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventor: Shintaro Tomita