Title:
TIRE
Document Type and Number:
WIPO Patent Application WO/2023/153022
Kind Code:
A1
Abstract:
Provided is a tire that can achieve dry performance, wet performance, and snow performance at high levels. A tire according to the present invention has a plurality of main grooves and a plurality of land parts. At least one main groove 10 of the plurality of main grooves is set such that a groove wall angle β toward the inner side of a vehicle is smaller than a groove wall angle α toward the outer side of the vehicle. The plurality of land parts includes: a center land part 20 positioned on the tire equator CL; a pair of intermediate land parts 30; and a pair of shoulder land parts 40. Shoulder lug grooves 42, which are formed in at least one shoulder land part 40, are in communication with the main groove 10. Each of the intermediate land parts 30 has: a plurality of intermediate lug grooves 32 that each have one end part which opens to the main groove 10 and the other end part which terminates in the intermediate land part 30; a plurality of first sipes 33A that each have one end part which opens to the main groove 10 to which the intermediate lug groove 32 opens and the other end part which opens to the intermediate lug groove 32; and a plurality of second sipes 33B that each have one end part which opens to the main groove 10 positioned on the opposite side from the main groove 10 to which the intermediate lug groove 32 opens and the other end part which opens to the intermediate lug groove 32. Each of the first sipes 33A and the second sipes 33B has a chamfered part 34 only on one of the leading-side edge and a trailing-side edge.
Inventors:
HOSHO KENSUKE (JP)
UCHIDA YUTA (JP)
UCHIDA YUTA (JP)
Application Number:
PCT/JP2022/037949
Publication Date:
August 17, 2023
Filing Date:
October 12, 2022
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
B60C11/12; B60C5/00; B60C11/03; B60C11/13
Domestic Patent References:
| WO2019159564A1 | 2019-08-22 | |||
| WO2010133940A1 | 2010-11-25 |
Foreign References:
| JP2019182144A | 2019-10-24 | |||
| JP2020069968A | 2020-05-07 | |||
| JP2018034628A | 2018-03-08 | |||
| JP2019104409A | 2019-06-27 | |||
| JP2018199461A | 2018-12-20 | |||
| JP2010188778A | 2010-09-02 | |||
| JPH06183213A | 1994-07-05 | |||
| JP2003211921A | 2003-07-30 |
Attorney, Agent or Firm:
SEIRYU PATENT PROFESSIONAL CORPORATION et al. (JP)
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