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Patent Searching and Data


Title:
PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2019/150855
Kind Code:
A1
Abstract:
This pneumatic tire has: a circumferential-direction main groove 23 provided in an outer-side region, with respect to the tire equatorial plane serving as a boundary, in the vehicle width direction; a circumferential-direction narrow groove 24 provided on the outer side of the circumferential-direction main groove 23 in the tire width direction; and a shoulder land part 35 and a second land part 34 delimited by the circumferential-direction main groove 23 and the circumferential-direction narrow groove 24. The pneumatic tire also has a plurality of closed lug grooves 41A, 41B extending in the tire width direction through the circumferential-direction narrow groove 24 and having inner-side terminal ends, in the tire width direction, located inside the second land part 34 and outer-side terminal ends located inside the shoulder land part 35. Furthermore, the relationship between the length L1_min of the shortest first closed lug groove 41A in the tire width direction and the length L1_max of the longest second closed lug groove 41B in the tire width direction is 1.10 ≤ L1_max / L1_min ≤ 3.00.

Inventors:
MIZUSHIMA HARUNA (JP)
Application Number:
PCT/JP2018/047683
Publication Date:
August 08, 2019
Filing Date:
December 25, 2018
Export Citation:
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Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
B60C11/13; B60C5/00; B60C11/03
Foreign References:
JP2016074386A2016-05-12
JP2012056479A2012-03-22
JP2012081806A2012-04-26
JPH07117417A1995-05-09
US20140238568A12014-08-28
US20030111149A12003-06-19
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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