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Patent Searching and Data


Title:
PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2014/167990
Kind Code:
A1
Abstract:
Provided is a pneumatic tire that can suppress pass-by noise outside a vehicle and that excels in wet performance. A tread pattern is configured as follows: from among three circumferential direction main grooves, a first circumferential direction main groove is provided in a first region, a second circumferential direction main groove is provided in the first region on a second side with respect to the first circumferential direction main groove, and a third circumferential direction main groove is provided in the second region; one end of first and second shoulder lug grooves is closed within a shoulder land part region; the ratio (Wout/Win) of the average groove width of the groove widths of the first circumferential direction main groove and the second circumferential direction main groove (Win) to the groove width of the third circumferential direction main groove (Wout) is 0.45 to 0.75; a first lug groove and a second lug groove are significantly inclined, within the tread surface, in the tire width direction outward of the first shoulder groove, and in the tire circumferential direction are inclined in the same direction; the inclination angle of the second lug groove is greater than the inclination angle of the first lug groove.

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Inventors:
MITO Yusuke (Hiratsuka Factory, 2-1, Oiwake, Hiratsuka-sh, Kanagawa 01, 〒2548601, JP)
Application Number:
JP2014/058107
Publication Date:
October 16, 2014
Filing Date:
March 24, 2014
Export Citation:
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Assignee:
THE YOKOHAMA RUBBER CO., LTD. (36-11, Shimbashi 5-chome Minato-k, Tokyo 85, 〒1058685, JP)
International Classes:
B60C11/04; B60C5/00; B60C11/00; B60C11/03; B60C11/13
Foreign References:
JP2012236455A
JP2011230699A
JP2004523422A
Attorney, Agent or Firm:
GLOBAL IP TOKYO (CARMEL II, 8-3-30 Nishi-Shinjuku, Shinjuku-k, Tokyo 23, 〒1600023, JP)
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