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Patent Searching and Data


Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2014004844
Kind Code:
A
Abstract:

To provide a pneumatic tire capable of being reduced in weight by suppressing the occurrence of bare while making thickness of rubber thin.

In a pneumatic tire 2, a ratio Te/Ta of thickness Te of rubber of a side wall 8 in a tire maximum width to thickness Ta of rubber at a center of a tread 4 is 0.12 or more and 0.28 or less. A ratio Te/Tf of the thickness Te to thickness Tf of rubber of a clinch 10 is 0.35 or more and 0.65 or less. Preferably, a ratio Te/Ti of the thickness Te to thickness Ti of rubber of a buttress portion is 0.17 or more and 0.37 or less. A ratio Ti/Ti1 of the thickness Ti to thickness Ti1 of cross-linked rubber of the side wall 8 in the thickness Ti is 2.8 or more and 5.2 or less. A ratio Ti/Tf of the thickness Ti to the thickness Tf is 1.35 or more and 2.35 or less.


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Inventors:
YOSHIDA KENJI
Application Number:
JP2012139703A
Publication Date:
January 16, 2014
Filing Date:
June 21, 2012
Export Citation:
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Assignee:
SUMITOMO RUBBER IND
International Classes:
B60C9/08; B60C11/00; B60C13/00; B60C15/06
Domestic Patent References:
JPS62157806A1987-07-13
JPH04215502A1992-08-06
JPH05246208A1993-09-24
JPH05254315A1993-10-05
JPH061121A1994-01-11
JP2005343334A2005-12-15
JP2007176439A2007-07-12
Attorney, Agent or Firm:
Kengo Oka
Sumitomo Norio
Kuroyoshi Murohashi
Hiroshi Kasakawa
Kei Someya
Yukari Imamura