Title:
PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2020/110387
Kind Code:
A1
Abstract:
To prevent stone biting without requiring a complex shape. A tread surface 21 of a tread section has a circumferential-direction main groove 22A extending in the tire circumferential direction, and when the circumferential-direction main groove 22A is divided into a tire-radial-direction outer side and a tire-radial-direction inner side by drawing a virtual dividing line L1 at a position (D/2) that is half the depth of the groove, the virtual dividing line L1 being parallel to a straight line that connects groove opening edges 22Ab at a meridional cross section, the cross-sectional area SU on the tire-radial-direction outer side and the cross-sectional area SD on the tire-radial-direction inner side satisfy the relationship 0.15 ≤ SD/SU ≤ 0.60.
Inventors:
ASANO TOMOHIRO (JP)
WADA HIRONORI (JP)
WADA HIRONORI (JP)
Application Number:
PCT/JP2019/033193
Publication Date:
June 04, 2020
Filing Date:
August 23, 2019
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
B60C11/13; B60C11/03
Domestic Patent References:
| WO2015003837A1 | 2015-01-15 |
Foreign References:
| JP2008137474A | 2008-06-19 | |||
| JP2017154708A | 2017-09-07 | |||
| JP2001063316A | 2001-03-13 | |||
| JP2019093907A | 2019-06-20 | |||
| JP2013028202A | 2013-02-07 | |||
| JP2008087626A | 2008-04-17 | |||
| JP2018167664A | 2018-11-01 | |||
| JPH06183212A | 1994-07-05 | |||
| JP2013043619A | 2013-03-04 | |||
| KR20050049220A | 2005-05-25 | |||
| DE102015202371A1 | 2016-08-11 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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