Title:
PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2020/226017
Kind Code:
A1
Abstract:
In order to ensure wet performance while suppressing a decrease in steering stability, a pneumatic tire 1 comprises: a plurality of chamfered sipes 41 which is formed in a land portion 20 and is sipes 40 having chamfered portions 42, and a plurality of non-chamfered sipes 46 which is formed in the land portion 20 and is sipes 40 that do not have chamfered portions 42, wherein each chamfered sipe 41 communicates at one end with a main groove 30 dividing the land portion, and is terminated at the other end inside the land portion 20; the chamfered sipes 41 and the non-chamfered sipes 46 are alternately arranged in the tire circumferential direction; and among the non-chamfered sipes 46 located on both sides of the chamfered sipe 41 in the tire circumferential direction, a relationship between a distance (a) between a proximal sipe 47, which is a non-chamfered sipe 46 on the side closer to the chamfered sipe 41, and the chamfered sipe 41, and a distance (b) between a non-chamfered sipe 46 on the side farther from the chamfered sipe 41 in the tire circumferential direction and the chamfered sipe 41 is within the range of 1.5 ≤ (b/a) ≤ 12.
Inventors:
TAKAHASHI NATSUMI (JP)
Application Number:
PCT/JP2020/015701
Publication Date:
November 12, 2020
Filing Date:
April 07, 2020
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
B60C5/00; B60C11/00; B60C11/03; B60C11/12
Domestic Patent References:
WO2019049765A1 | 2019-03-14 | |||
WO2018207112A1 | 2018-11-15 |
Foreign References:
JP2020055493A | 2020-04-09 | |||
JP2018111452A | 2018-07-19 | |||
JP2003159911A | 2003-06-03 | |||
EP3401125A1 | 2018-11-14 | |||
JP2001219715A | 2001-08-14 | |||
US6467517B1 | 2002-10-22 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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