Title:
タイヤ
Document Type and Number:
Japanese Patent JP7215642
Kind Code:
B2
Abstract:
An object of the invention is to provide a tire having little change in riding comfort performance and wet performance before and after wear of the tread part and in which riding comfort performance and wet performance as when the tire is newly used are maintained. The tire comprises a tread being composed of a rubber layer in which there is little change in hardness after thermal deterioration and having a groove shape such that a sea ratio after wear with respect to a sea ratio as when the tire is newly used is within a predetermined range.
Inventors:
Shuichiro Ohno
Application Number:
JP2022532286A
Publication Date:
January 31, 2023
Filing Date:
February 18, 2021
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
B60C11/13; B60C1/00; B60C11/00; B60C11/03
Domestic Patent References:
| JP201938341A | ||||
| JP201998998A | ||||
| JP2017505261A | ||||
| JP2008222162A | ||||
| JP202079336A | ||||
| JP200849958A |
Foreign References:
| US20170174008 |
Attorney, Agent or Firm:
Patent Attorney Corporation Asahina Patent Office
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