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Patent Searching and Data


Title:
PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2018/164073
Kind Code:
A1
Abstract:
Provided is a pneumatic tire that is suitable for use as a tire for traveling on unpaved roads, and that improves traveling performance and damage resistance on unpaved roads. Center blocks 10, which are provided in a center region of a tread section 1, are arrayed so as to form a pair of center blocks 10 between which there are interposed inclined grooves 30 that extend in an inclined direction with respect to a tire circumferential direction. The center blocks 10 are made to extend so as to straddle a tire equator CL from one side to the other side of the tire equator CL. Notches 11, which are each composed of a first wall 11a and a second wall 11b connected to each other in a V shape, are provided in treads in each center block CL. The first walls 11a are made to extend at an angle within ±20° with respect to the tire circumferential direction; the second walls 11b are made to extend at an angle of ±10° with respect to a tire width direction; and the average angle of sipes, which are respectively formed in the center blocks 10 and shoulder blocks 20, lies within 90°±10° in a first region C, lies within 130°±10° in a second region M, and lies within 70°±10° in a third region S with respect to the tire equator CL. Each sipe is configured to have at least one curved portion.

Inventors:
SUZUKI YUHEI (JP)
Application Number:
PCT/JP2018/008393
Publication Date:
September 13, 2018
Filing Date:
March 05, 2018
Export Citation:
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Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
B60C11/03; B60C11/01; B60C11/12
Domestic Patent References:
WO2016194287A12016-12-08
Foreign References:
JP2016222207A2016-12-28
JP2012051504A2012-03-15
JP2002029224A2002-01-29
JP2017001463A2017-01-05
JP2016007861A2016-01-18
Attorney, Agent or Firm:
SEIRYU PATENT PROFESSIONAL CORPORATION et al. (JP)
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