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Patent Searching and Data


Title:
PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2014/087697
Kind Code:
A1
Abstract:
This pneumatic tire is provided with an inner liner, and is provided with: a first layer containing a first polymer composition of which the polymer component contains 30-95 mass% inclusive of a rubber component and 5-70 mass% inclusive of SIBS; and a second layer containing a second polymer composition of which the polymer component contains 10-90 mass% inclusive of a rubber component and 10-85 mass% inclusive of SIS and/or SIB. The first layer is disposed in a manner so as to be at the inside in the radial direction of the tire; and of the inner liner, the average thickness (Gs) of a buttress region (Rs) extending from the position of greatest tire width to a position (Lu) facing the belt layer end is thinner than the average thickness (Gb) of a bead region (Rb) extending from the position of greatest tire width to a bead toe.

Inventors:
MASUI, Tomomi (6-9, Wakinohama-cho 3-chome, Chuo-ku, Kobe-sh, Hyogo 72, 〒6510072, JP)
SUGIMOTO, Mutsuki (6-9, Wakinohama-cho 3-chome, Chuo-ku, Kobe-sh, Hyogo 72, 〒6510072, JP)
Application Number:
JP2013/070467
Publication Date:
June 12, 2014
Filing Date:
July 29, 2013
Export Citation:
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Assignee:
SUMITOMO RUBBER INDUSTRIES, LTD. (6-9 Wakinohama-cho 3-chome, Chuo-ku Kobe-sh, Hyogo 72, 〒6510072, JP)
International Classes:
B60C5/14; C08L7/00; C08L23/22; C08L53/02
Domestic Patent References:
WO2012157322A12012-11-22
Foreign References:
JP2012122050A2012-06-28
JP2008174037A2008-07-31
Other References:
See also references of EP 2921321A4
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (Nakanoshima Central Tower, 2-7 Nakanoshima 2-chome, Kita-ku, Osaka-sh, Osaka 05, 〒5300005, JP)
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