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Patent Searching and Data


Title:
TYRE
Document Type and Number:
WIPO Patent Application WO/2021/176806
Kind Code:
A1
Abstract:
The present invention achieves a balanced improvement in wet manoeuvrability, external noise resistance and wear resistance. Along vehicle-mounting outer edges of first to fourth circumferential main grooves (12, 14, 16, 18), first to fourth chamfers (32, 34, 36, 38) are respectively formed, the dimension of which in the tyre width direction changes in the tyre circumference direction. A second inclined groove (44) is formed, which is adjacent to the vehicle-mounting outermost position of the second chamfer (34), and a third inclined groove (46) is formed, which is adjacent to the vehicle-mounting outermost position of the third chamfer (36). At least one narrow circumferential groove (52, 54) extending in the tyre circumference direction is formed in a first land section (22) and/or a second land section (24).

Inventors:
TAKEMORI RYOHEI (JP)
Application Number:
PCT/JP2020/047737
Publication Date:
September 10, 2021
Filing Date:
December 21, 2020
Export Citation:
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Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
B60C11/13; B60C5/00; B60C11/03
Foreign References:
JP2012236455A2012-12-06
JP2010215221A2010-09-30
JP2016074256A2016-05-12
JP2013224132A2013-10-31
JP5796655B12015-10-21
JP2017039407A2017-02-23
JP2016074390A2016-05-12
US20190023077A12019-01-24
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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