Title:
TIRE
Document Type and Number:
WIPO Patent Application WO/2021/229893
Kind Code:
A1
Abstract:
To achieve both off-road performance and noise performance, main grooves 30 are formed in step shapes having circumferentially extending parts 34 extending in the tire circumference direction at different positions in the tire width direction, second lug grooves 41 and shoulder lug grooves 45 have mutually opposite inclined directions in the tire circumference direction relative to the tire width direction, two types of second lug grooves 41 having different angles of inclination relative to the tire width direction are arranged alternately, the second lug grooves 41 open into circumferentially extending parts 34 that are positioned near the second lug grooves 41 among the circumferentially extending parts 34 provided in a center main groove 31 and a shoulder main groove 32 formed in step shapes, and the shoulder lug grooves 45 open into circumferentially extending parts 34 that are positioned near the shoulder lug grooves 45 among the circumferentially extending parts 34 provided in the shoulder main groove 32 formed in a step shape.
Inventors:
OIZUMI NAOYA (JP)
Application Number:
PCT/JP2021/007202
Publication Date:
November 18, 2021
Filing Date:
February 25, 2021
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
B60C11/03; B60C11/12; B60C11/13
Foreign References:
| JP2014162439A | 2014-09-08 | |||
| JP2019202608A | 2019-11-28 | |||
| JP2018154280A | 2018-10-04 | |||
| JP2018075880A | 2018-05-17 | |||
| JP2017222280A | 2017-12-21 | |||
| JP2017140927A | 2017-08-17 | |||
| JPS6422601A | 1989-01-25 | |||
| JP2013173521A | 2013-09-05 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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