Patents by Inventor Seiji Kon

Seiji Kon has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20220048327
    Abstract: The pneumatic tire has an annular carcass formed by using a carcass treat in which a carcass cord arranged along the tire width direction is covered with a rubber material, and a belt layer formed by arranging a resin covered cord outside the tire radial direction of the carcass and covered with a resin material along the tire circumferential direction. The treat strength of the carcass treat along the tire width direction is 10 kN/25 mm or more.
    Type: Application
    Filed: December 12, 2019
    Publication date: February 17, 2022
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Seiji KON, Masayuki HASHIMOTO, Kohei SUZUKI
  • Publication number: 20210370725
    Abstract: A manufacturing method of a bead core of the present disclosure comprises an annular body forming step of winding a strip member formed by coating one or more bead wires with a coating resin to form an annular body, and a resin coating step of coating the annular body formed in the annular body forming step with a resin. The resin is a resin different from the coating resin.
    Type: Application
    Filed: August 11, 2021
    Publication date: December 2, 2021
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Seiji KON, Yoshihide KOUNO
  • Publication number: 20210221175
    Abstract: A pneumatic tire including: a pair of bead cores; a carcass that is formed spanning the pair of bead cores; a belt layer that is disposed at a tire radial direction outside of the carcass and that is formed by covering a cord with a thermoplastic resin having an elastic modulus of from 100 MPa to 10,000 MPa and winding the cord around a tire circumferential direction; and a tread that is provided at a tire radial direction outside of the belt layer. A thickness of the pneumatic tire at a tire equatorial plane is no greater than 5 mm.
    Type: Application
    Filed: April 23, 2019
    Publication date: July 22, 2021
    Applicant: Bridgestone Corporation
    Inventors: Seiji KON, Masayuki ARIMA, Yoshihide KOUNO
  • Patent number: 10967590
    Abstract: A tire includes: a tire frame member formed in a ring shape from a frame resin material, and including a pair of bead sections, a pair of side sections, and a crown section; a ring shaped bead core that is embedded in and joined to each of the bead sections, and that is formed by a single strand, or plurality of strands, of bead cord extending in the tire circumferential direction, and covered with, and joined to, a covering resin material; and an extension portion that extends from each of the bead cores in a direction that intersects with the tire circumferential direction when viewed from a tire side face, and that is joined to the tire frame member.
    Type: Grant
    Filed: May 1, 2017
    Date of Patent: April 6, 2021
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Yoshihide Kouno, Seiji Kon, Keiichi Hasegawa
  • Publication number: 20200369096
    Abstract: A manufacturing method of a bead core of the present disclosure comprises an annular body forming step of winding a strip member formed by coating one or more bead wires with a coating resin to form an annular body, and a resin coating step of coating the annular body formed in the annular body forming step with a resin.
    Type: Application
    Filed: May 22, 2018
    Publication date: November 26, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Seiji KON, Yoshihide KOUNO
  • Publication number: 20200207046
    Abstract: A bead core of the present disclosure is a bead core comprising an annular body in which a strip member comprising one or more bead wires coated with a coating resin is wound and stacked, and in an axial cross section of the annular body, an interface between stacks adjacent to each other is non-linear. A manufacturing method of a bead core of the present disclosure comprises an annular body forming step of winding and stacking a strip member comprising one or more bead wires coated with a coating resin to form an annular body, and the strip member has a side that comes in contact with an adjacent stack in the annular body forming step and that is non-linear in a cross section orthogonal to an extending direction of the strip member.
    Type: Application
    Filed: May 22, 2018
    Publication date: July 2, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Seiji KON, Yoshihide KOUNO
  • Publication number: 20200164697
    Abstract: A bead core of the present disclosure is a bead core comprising an annular body in which a strip member comprising one or more bead wires coated with a coating resin is wound and stacked, and in an axial cross section of the annular body, the strip member has two side surfaces, and has at least one end portion of at least one of the two side surfaces that is chamfered.
    Type: Application
    Filed: May 22, 2018
    Publication date: May 28, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Seiji KON, Yoshihide KOUNO
  • Publication number: 20200156412
    Abstract: A pneumatic tire of the present disclosure comprising a resin-coated belt comprising a wire coated with a coating resin, a base ring that comes in contact with a tire widthwise outer end of the resin-coated belt is provided on a tire radial inside of the resin-coated belt, and in the base ring, reinforcing fibers are arranged.
    Type: Application
    Filed: June 7, 2018
    Publication date: May 21, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Seiji KON, Yoshihide KOUNO
  • Publication number: 20200130413
    Abstract: Provided is a tire (10) including: a tire frame member (12) made of a resin; a reinforcing layer (16) that includes plural reinforcing cords (17) coated with a rubber material, and that is arranged on a tire radial-direction outer side of the tire frame member (12); and an adhesive layer (18) that contains a resin material, and that is arranged between the tire frame member (12) and the reinforcing layer (16).
    Type: Application
    Filed: July 18, 2017
    Publication date: April 30, 2020
    Inventors: Seiji KON, Yoshihide KOUNO
  • Patent number: 10632790
    Abstract: A pneumatic tire is configured by a resin tire frame member. An inner face of the tire frame member is provided with an attachment section. The attachment section is configured so as to attach a sound-absorbing material inside the tire frame member. The sound-absorbing material employs, for example, a spongey material, and the sound-absorbing material is capable of absorbing sound.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: April 28, 2020
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Seiji Kon, Yoshihide Kouno
  • Publication number: 20200101684
    Abstract: A manufacturing method of a pneumatic tire of the present disclosure is a manufacturing method of a pneumatic tire to manufacture the pneumatic tire comprising a resin-coated belt comprising a wire coated with a coating resin, the pneumatic tire comprises a base ring that comes in contact with a tire widthwise outer end of the resin-coated belt on an inner side of the resin-coated belt in a tire radial direction, and the manufacturing method comprises a base ring forming step of winding a ribbon member about a tire axis, to form the base ring.
    Type: Application
    Filed: June 7, 2018
    Publication date: April 2, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Seiji KON, Yoshihide KOUNO
  • Publication number: 20200101685
    Abstract: A production method for a bead core of the present disclosure includes a forming step of forming a plurality of one or more types of annular bodies, each of which is formed by winding a strip member two or more turns, and a joining step of joining the plurality of one or more types of annular bodies to one another in an axial direction of the annular body. A bead core of the present disclosure is formed by joining one or more types of a plurality of annular bodies in an axial direction of the annular body, each of the annular bodies being formed by winding a strip member two or more turns. A pneumatic tire of the present disclosure includes a pair of bead portions, and the above-described bead core in the bead portion.
    Type: Application
    Filed: May 22, 2018
    Publication date: April 2, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Seiji KON, Yoshihide KOUNO
  • Publication number: 20200101794
    Abstract: A tire includes a circular tire case formed from a resin material, a belt provided at an outer side in a tire radial direction of the tire case and configured by covering a reinforcing cord by a covering resin, the reinforcing cord being provided with an adhesion layer at an outer periphery thereof, and a tread provided at an outer periphery of the belt and configured from a rubber material. The belt has a gauge set within a range of from 1.15 mm to 2.0 mm. A relationship A>B is satisfied, wherein A is a thickness of the covering resin layer from the reinforcing cord to an outer circumferential surface of the belt and B is a thickness of the covering resin layer from the reinforcing cord to the tire case. A combined gauge of the tire case and the belt is not greater than 3.5 mm.
    Type: Application
    Filed: April 17, 2018
    Publication date: April 2, 2020
    Inventors: Seiji KON, Yukinori NAKAKITA, Yoshihide KOUNO
  • Publication number: 20200094505
    Abstract: A bead core of the present disclosure is an annular bead core, a cross-sectional shape of the bead wire is non-circular, in axial cross-sectional view, in the axial cross-sectional view, the bead wire has a periphery coated with a resin material, and the resin material is interposed between the bead wires. A manufacturing method of the bead core of the present disclosure is a manufacturing method to obtain the above bead core, comprising: a winding step of winding a plurality of times one or more resin-coated wires each comprising a bead wire having a non-circular cross-sectional shape and being coated with a resin material, and a joining step of joining the resin materials of the adjacently wound resin-coated wires to each other. A pneumatic tire of the present disclosure comprises a pair of bead portions, and the above bead core in each of the pair of bead portions.
    Type: Application
    Filed: May 22, 2018
    Publication date: March 26, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Seiji KON, Yoshihide KOUNO
  • Patent number: 10596853
    Abstract: A tire containing at least a circular tire frame body that is formed from a resin material and has a layered structure, wherein the tire frame body includes at least one gas retaining layer.
    Type: Grant
    Filed: February 14, 2013
    Date of Patent: March 24, 2020
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Katsuhiko Tsunoda, Yoshihide Kouno, Seiji Kon, Keiichi Hasegawa
  • Patent number: 10589571
    Abstract: A tire whose pressure-proofing performance and impact durability can be improved, is provided. The tire includes: a tire frame member which is made of resin and includes: a bead portion covering a bead core; a side portion extending outwardly in a tire radial direction from the bead portion; and a crown portion extending inwardly in a tire width direction from the side portion, and the tire also includes a reinforcing layer which includes plural cords covered by resin or rubber and which extends from the bead portion to the side portion of the tire frame member to cover at least an inner peripheral surface of the side portion.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: March 17, 2020
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Seiji Kon, Yoshihide Kouno
  • Publication number: 20200047556
    Abstract: A tire includes a ring-shaped tire case, and a belt layer that is provided at an outer periphery of the tire case, and in which a resin-covered cord, which is configured by covering a reinforcing cord with a covering resin is wound onto the outer periphery of the tire case in a spiral pattern around a tire circumferential direction and is bonded to the tire case, with sections of the resin-covered cord that are mutually adjacent in a tire axial direction being bonded to each other. An end portion at one tire axial direction side of a tire radial direction outside face of the resin-covered cord is positioned further toward the one tire axial direction side than an end portion at the one tire axial direction side of a tire radial direction inside face of the resin-covered cord, and an end portion on another tire axial direction side of the outside face is positioned further toward the one tire axial direction side than an end portion at the other tire axial direction side of the inside face.
    Type: Application
    Filed: September 29, 2017
    Publication date: February 13, 2020
    Inventors: Yoshihide KOUNO, Seiji KON, Hiroshi MURATA
  • Publication number: 20200047557
    Abstract: A tire includes a tire case (tire frame member) formed in a ring shape, and a belt layer that is provided at an outer periphery of the tire case (tire frame member), and in which a resin-covered cord, which is configured by covering a reinforcing cord with a covering resin is wound onto the outer periphery of the tire case (tire frame member) in a spiral pattern around a tire circumferential direction, and is bonded to the tire case (tire frame member). A chamfered portion is formed at a tire axial direction end portion of a tire radial direction inside face of the resin-covered cord.
    Type: Application
    Filed: September 29, 2017
    Publication date: February 13, 2020
    Inventors: Seiji KON, Yoshihide KOUNO
  • Publication number: 20200039296
    Abstract: A tire, including: an annular tire frame member; a belt ply disposed at an outer side of the tire frame member in a tire radial direction, the belt ply including a plurality of reinforcing cords and a coating resin that coats the reinforcing cords, and the belt ply having, at an outer surface of the belt ply in the tire radial direction, a groove along an extension direction of the reinforcing cords; and a rubber member disposed at the outer surface of the belt ply in the tire radial direction.
    Type: Application
    Filed: December 21, 2017
    Publication date: February 6, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Atsushi FUKUSHIMA, Hiroyuki FUDEMOTO, Seiji KON, Osamu MOTOORI
  • Publication number: 20200031168
    Abstract: A metal-resin composite member for a tire, comprising plural metal cords that are positioned alongside each other, an adhesive layer that is disposed on the metal cords, and a resin layer that is disposed on the adhesive layer, the metal-resin composite member satisfying at least one of the following (1) or (2): (1) the adhesive layer is independently disposed on each of the plural metal cords, and at least one of the adhesive layers has a cross-sectional shape that has a projecting portion; (2) the adhesive layer is integrally disposed on all of the plural metal cords, and a region consisting of the metal cords and the adhesive layer has a cross-sectional shape that has, between the metal cords, a portion that is narrower in width than a portion at which the metal cords are disposed.
    Type: Application
    Filed: October 4, 2019
    Publication date: January 30, 2020
    Applicant: Bridgestone Corporation
    Inventors: Takahiro Suzuki, Seiji Kon