Title:
TIRE
Document Type and Number:
WIPO Patent Application WO/2021/117553
Kind Code:
A1
Abstract:
[Solution] A tire comprises: a belt provided on an outer side, in a tire radial direction, of a carcass disposed within a tire case 13, the belt being constituted by resin-coated cords, in which the cords are coated with a coating resin having a higher tensile elasticity than rubber of the tire case, wound in a spiral shape in a tire circumferential direction, and the coating resins being bonded to each other in a tire width direction; and a tread provided on an outer side of the belt in the tire radial direction, the tread including a cap rubber constituting a ground surface and a base rubber located between the cap rubber and the belt, and a compression stiffness of central base rubber, which of the base rubber is located in a center in the tire width direction, is lower than a compression stiffness of side base rubbers located on both sides of the central base rubber in the tire width direction.
Inventors:
KATAYAMA MASAHIRO (JP)
ARIMA MASAYUKI (JP)
ARIMA MASAYUKI (JP)
Application Number:
PCT/JP2020/044703
Publication Date:
June 17, 2021
Filing Date:
December 01, 2020
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C1/00; B60C5/01; B60C9/22; B60C11/00
Domestic Patent References:
| WO2017203765A1 | 2017-11-30 |
Foreign References:
| JP2018090056A | 2018-06-14 | |||
| JP2019104260A | 2019-06-27 | |||
| JP2010143283A | 2010-07-01 | |||
| JP2002120515A | 2002-04-23 | |||
| JP2002052907A | 2002-02-19 |
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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