Patents by Inventor Yoshihide Kouno
Yoshihide Kouno 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).
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Publication number: 20170210183Abstract: A tire (10) includes bead portions (16) in which bead cores (22) of resin-covered cord (20) are respectively embedded, and reinforcing layers (14) that are formed of a reinforcing material (30) covered by a resin material, that are each thermally welded to the respective bead core (22), and that extend from the respective bead portion (16) to a side portion (18).Type: ApplicationFiled: July 22, 2015Publication date: July 27, 2017Inventors: Seiji KON, Yoshihide KOUNO
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Patent number: 9649819Abstract: A covered cord is formed by covering a cord with a resin material, and a covered bead is formed by welding or adhering together the resin material of the covered cord whilst shaping into a bead shape, such that resin material fills between the cord. The covered bead is placed in contact with a jig disposed inside a cavity of a tire mold for molding a tire frame member, the covered bead is fixed inside the mold, and the tire frame member is molded containing the covered bead in a tire bead portion by pouring molten resin material into the cavity.Type: GrantFiled: March 24, 2011Date of Patent: May 16, 2017Assignee: BRIDGESTONE CORPORATIONInventors: Yoshihide Kouno, Seiji Kon
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Patent number: 9623706Abstract: It is ensured the strength of a welded section in a tire that is configured by welding tire constituent members formed of a thermoplastic material. A tire has a first welded portion, in which one section of one tire constituent member and one section of another tire constituent member are both melted and welded, and a second welded portion, which is formed by welding a welding-use thermoplastic material to the surface of the first welded portion, whereby the strength of the joint section is ensured.Type: GrantFiled: September 25, 2012Date of Patent: April 18, 2017Assignee: BRIDGESTONE CORPORATIONInventors: Yoshihide Kouno, Seiji Kon, Keiichi Hasegawa
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Publication number: 20160368323Abstract: A tire (10) includes: a tire frame member (12) that is made of a resin material and that includes bead portions (16), side portions (18) that is connected to tire radial direction outer sides of the respective bead portions (16), and a crown portion (26), on which a tread (32) is disposed, connected to tire width direction inner sides of the respective side portions (18) and on which a tread(32) is disposed; and reinforcing layers (14) of a reinforcing material (30) covered by a resin material, that are provided to at least the side portions (18) and that are disposed in a row around a tire circumferential direction.Type: ApplicationFiled: June 30, 2014Publication date: December 22, 2016Inventors: Yoshihide KOUNO, Seiji KON
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Publication number: 20160303905Abstract: Provided is a tire having at least a circular tire frame formed of a thermoplastic resin material, the tire including a reinforcing cord member that forms a reinforcing cord layer on the outer circumference of the tire frame, and the thermoplastic resin material including at least a polyamide-based thermoplastic elastomer.Type: ApplicationFiled: June 22, 2016Publication date: October 20, 2016Applicant: BRIDGESTONE CORPORATIONInventors: Hiroyuki FUDEMOTO, Takashi HARADA, Yoshihide KOUNO, Seiji KON, Keiichi HASEGAWA, Munenori IIZUKA, Takayuki YAKO, Kunio MACHIDA
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Publication number: 20160280008Abstract: Provided is a tire having a circular tire frame formed of at least a thermoplastic resin material, in which the tire includes a reinforcing cord member that forms a reinforcing cord layer on an outer circumference of the tire frame, and the thermoplastic resin material contains at least a polyester-based thermoplastic elastomer.Type: ApplicationFiled: June 7, 2016Publication date: September 29, 2016Applicant: BRIDGESTONE CORPORATIONInventors: Hiroyuki FUDEMOTO, Takashi HARADA, Yoshihide KOUNO, Seiji KON, Keiichi HASEGAWA, Munenori IIZUKA, Takayuki YAKO
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Patent number: 9440407Abstract: A tire includes a ring shaped tire case formed from a resin material, a reinforcement cord having a higher rigidity that that of the resin material, wound in a spiral shape on the outer peripheral section of the tire case and having at least a portion of the reinforcement cord embedded in and making close contact with the outer peripheral section of the tire case when viewed in a cross-section along the axial direction of the tire case and a tread provided on the radial direction outside of a reinforcement cord layer formed by the reinforcement cord.Type: GrantFiled: February 17, 2010Date of Patent: September 13, 2016Assignee: BRIDGESTONE CORPORATIONInventors: Yoshihide Kouno, Seiji Kon
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Patent number: 9415636Abstract: Provided is a tire having at least a circular tire frame formed of a thermoplastic resin material, the tire including a reinforcing cord member that forms a reinforcing cord layer on the outer circumference of the tire frame, and the thermoplastic resin material including at least a polyamide-based thermoplastic elastomer.Type: GrantFiled: August 25, 2011Date of Patent: August 16, 2016Assignee: BRIDGESTONE CORPORATIONInventors: Hiroyuki Fudemoto, Takashi Harada, Yoshihide Kouno, Seiji Kon, Keiichi Hasegawa, Munenori Iizuka, Takayuki Yako, Kunio Machida
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Patent number: 9387725Abstract: Provided is a tire having a circular tire frame formed of at least a thermoplastic resin material, in which the tire includes a reinforcing cord member that forms a reinforcing cord layer on an outer circumference of the tire frame, and the thermoplastic resin material contains at least a polyester-based thermoplastic elastomer.Type: GrantFiled: August 25, 2011Date of Patent: July 12, 2016Assignee: BRIDGESTONE CORPORATIONInventors: Hiroyuki Fudemoto, Takashi Harada, Yoshihide Kouno, Seiji Kon, Keiichi Hasegawa, Munenori Iizuka, Takayuki Yako
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Publication number: 20160152077Abstract: A tire is provided with a tire frame member that is made from resin and includes: a bead portion; a side portion that is connected to an outer side of the bead portion in a tire radial direction and that has hole portions formed at intervals in a tire circumferential direction; and a crown portion that is connected to an inner side of the side portion in a tire width direction and that has a tread disposed thereon.Type: ApplicationFiled: July 10, 2014Publication date: June 2, 2016Applicant: BRIDGESTONE CORPORATIONInventors: Yoshihide KOUNO, Seiji KON
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Publication number: 20160152079Abstract: A tire (10) including: a circular tire frame (17) formed from a resin material, and a reinforcing metal cord member (27) that is wound on an outer circumference of the tire frame (17), at least a portion of the reinforcing metal cord member (27) being covered, via an adhesion layer including a hot melt adhesive, with a covering composition that includes at least one thermoplastic material selected from the group consisting of a thermoplastic resin and a thermoplastic elastomer.Type: ApplicationFiled: April 25, 2014Publication date: June 2, 2016Applicant: BRIDGESTONE CORPORATIONInventors: Kunio MACHIDA, Yoshihide KOUNO
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Publication number: 20160144671Abstract: Plural inner face grooves 40 are formed to tire inner faces of a tire frame member 17 formed from a resin material. The inner face grooves 40 are formed to a region from an inner separation point corresponding to a separation point of a bead portion 12 from a rim 20 as far as an inner end portion 30 IN corresponding to a tread end 30A of a tread member 30.Type: ApplicationFiled: June 27, 2014Publication date: May 26, 2016Inventors: Yoshihide KOUNO, Seiji KON
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Publication number: 20160137000Abstract: A tire includes: a ring shaped tire frame member that is made of a resin with plural tire pieces joined along a tire circumferential direction; a joint portion reinforcing belt that is adhered to the tire frame member, that extends around the tire circumferential direction, and that covers a joint portion of the plural tire pieces; and a tread layer that is provided further to the tire radial direction outside than the tire frame member and the joint portion reinforcing belt.Type: ApplicationFiled: June 30, 2014Publication date: May 19, 2016Inventors: Yoshihide KOUNO, Seiji KON
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Patent number: 9333719Abstract: To reduce the manufacturing cost of a tire that uses a thermoplastic material for a tire frame member. A tire manufacturing method includes: using a thermoplastic material to form a tire frame member (12); disposing cushion rubber (14) (unvulcanized rubber) on an outer peripheral surface of the tire frame member (12); further disposing vulcanized or semi-vulcanized tread rubber (16) on a tire diameter direction outer side of the cushion rubber (14); covering the tread rubber (16), the cushion rubber (14), and at least the tread rubber (16) side of the tire frame member (12) in an envelope, so as to push the tread rubber (16) against the tire frame member (12) side, to configure a provisionally assembled article; and accommodating the provisionally assembled article inside a container and heating the inside of the container to perform vulcanization to thereby adhere the tread rubber (16) to the tire frame member (12).Type: GrantFiled: August 9, 2010Date of Patent: May 10, 2016Assignee: BRIDGESTONE CORPORATIONInventors: Yoshihide Kouno, Seiji Kon
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Publication number: 20160075180Abstract: A tire including: a tire case serving as an example of a circular tire frame member formed from a frame resin material; and a reinforcing cord member that is disposed at an outer circumference of the tire case, that is wound along a tire circumferential direction so as to form a spiral shape, and that is bonded to the tire case, wherein cord end portions serving as length direction end portions are embedded in the tire case so as to be disposed further to a side of an inner circumferential surface of the tire case than a cord intermediate portion serving as a length direction intermediate portion.Type: ApplicationFiled: April 15, 2014Publication date: March 17, 2016Inventors: Seiji KON, Keiichi HASEGAWA, Yoshihide KOUNO
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Publication number: 20160068021Abstract: A tire includes: a tire case serving as an example of a circular tire frame member that is formed using a frame resin material; and a reinforcing cord member that is disposed at an outer circumference of the tire case, that is configured by a reinforcing cord covered with a resin covering layer, that is wound along a tire circumferential direction so as to form a spiral shape, that is bonded to the tire case, and in which tire axial direction adjacent portions of the reinforcing cord member are bonded together.Type: ApplicationFiled: April 17, 2014Publication date: March 10, 2016Inventors: Seiji KON, Keiichi HASEGAWA, Yoshihide KOUNO
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Publication number: 20160068022Abstract: The objective is to reduce the rolling resistance of a tire. A tire (10) includes: a tire frame member (12) that is made from a resin material and is provided with side portions (18) positioned at each tire axial direction side, shoulder portions (20) that are connected to the tire radial direction outside end portions of the side portions (18) and that are curved so as to protrude toward a tire outside in a tire axial direction cross-section, and a flat crown portion (22) connected to the shoulder portions (20); a reinforcing layer (14) that is provided along an outer surface (22A) of the crown portion (22), and that has tire axial direction outside end portions (14A) that are positioned further toward a tire axial direction inside than tire axial direction outside end portions of the flat crown portion (22); and a tread (16) that is provided at a tire radial direction outside of the crown portion (22) and the reinforcing layer (14).Type: ApplicationFiled: April 11, 2014Publication date: March 10, 2016Inventors: Keiichi HASEGAWA, Seiji KON, Yoshihide KOUNO
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Publication number: 20160068028Abstract: A tire is provided suppressing air incorporation and raising durability without a detrimental effect on running performance. The tire 10 includes a ring shaped tire case 17 formed from a frame resin material, with a reinforcement layer 28 formed by winding and joining a covered cord member 26, formed by a cord resin material 27 covering a reinforcement cord 26A, on a crown section 16 portion of the tire case 17. Accordingly air incorporation is suppressed and durability is raised without a detrimental effect on running performance.Type: ApplicationFiled: November 18, 2015Publication date: March 10, 2016Applicant: BRIDGESTONE CORPORATIONInventors: Yoshihide KOUNO, Seiji KON
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Publication number: 20160001602Abstract: An object of the present invention is to achieve a reduction in weight while securing strength to counter internal pressure in a tire employing a resin material in a tire frame member. A tire (10) includes: a tire frame member (12) formed from a resin material, and provided with side sections (18) positioned at each tire width direction side, and a crown section (22) that is connected to tire radial direction outer side end portions of the side sections (18) and that extends toward the tire width direction inner side; a reinforcement layer (14) that is provided at the outer peripheral side of the crown section (22), and that includes a cord (30) wound in a spiral along a tire circumferential direction; and a thinned portion (16) that is provided at a tire width direction central portion of the crown section (22) within the width of the reinforcement layer (14) and over a narrower range than the width of the crown section (22).Type: ApplicationFiled: February 13, 2014Publication date: January 7, 2016Applicant: Bridgestone CorporationInventors: Keiichi HASEGAWA, Seiji KON, Yoshihide KOUNO
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Publication number: 20160001607Abstract: Tire frame step portions 18 are formed to a tire frame member 17. The tire frame step portions 18 are formed further toward the tire equatorial plane side than tire axial direction end portions 30A of a tread member 30. Covering layers 24 are formed at the outside of the tire frame member 17 so as to span from bead portions to the tire frame step portions 18.Type: ApplicationFiled: March 4, 2014Publication date: January 7, 2016Applicant: BRIDGESTONE CORPORATIONInventors: Seiji KON, Keiichi HASEGAWA, Yoshihide KOUNO