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Patent Searching and Data


Title:
TIRE
Document Type and Number:
WIPO Patent Application WO/2021/117281
Kind Code:
A1
Abstract:
A tire of according to the present invention is a tire comprising a block-shaped land part on a tread surface, the block-shaped land part being divided by a division groove or by the division groove and a tread edge. The block-shaped land part includes a first sipe and a second sipe that respectively extend from different positions on a surface of the block-shaped land part toward an inner side in a tire radial direction. The first sipe has, on a bottom side of the sipe, a wide section where a sipe width is greater than the tread surface side. The second sipe has a plurality of holes that recede inward in the tire radial direction at locations, in the bottom of the sipe, distanced in a longer direction of the sipe.

Inventors:
TANAKA YUTA (JP)
Application Number:
PCT/JP2020/027136
Publication Date:
June 17, 2021
Filing Date:
July 10, 2020
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C11/03; B60C11/12
Foreign References:
JP2016041588A2016-03-31
JP2014097697A2014-05-29
JPS5625003A1981-03-10
JP2018520057A2018-07-26
JP2017140858A2017-08-17
JP2016117310A2016-06-30
Other References:
"STANDARDS MANUAL of the ETRTO", 2013, article "FUTURE DEVELOPMENTS"
See also references of EP 4049861A4
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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