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Patent Searching and Data


Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2011143891
Kind Code:
A
Abstract:

To improve an on-ice performance by restraining outer diameter growth of a tread part.

A block 11 arranged in the tread part 2 is provided with a plurality of sipes (s) having an angle α to the tire axial direction of 0-25° and a width W3 of 0.3-1.2 mm. In a tire meridian cross section including a tire rotary shaft of a temporary assembling state being no-load of being installed in a normal rim R and filled with 5% of normal internal pressure, the ratio T1/TW of a distance T1 in the tire axial direction up to the outermost end 6e in the tire axial direction of a carcass 6 from the outside end 7e in the tire axial direction of a belt ply 7A on the innermost side of a belt layer 7 to a tread width TW, is 0.03-0.15.


Inventors:
TAKAHASHI SHINGO
Application Number:
JP2010008329A
Publication Date:
July 28, 2011
Filing Date:
January 18, 2010
Export Citation:
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Assignee:
SUMITOMO RUBBER IND
International Classes:
B60C9/08; B60C11/01; B60C11/11; B60C11/12; B60C17/00
Domestic Patent References:
JP2001277824A2001-10-10
JPH07144507A1995-06-06
JP2004098926A2004-04-02
JP2009241881A2009-10-22
JP2001294023A2001-10-23
JP2006231961A2006-09-07
JP2004189106A2004-07-08
JP2008222158A2008-09-25
JP2009269500A2009-11-19
JP2005067274A2005-03-17
JPH0976711A1997-03-25
JP2001277824A2001-10-10
JPH07144507A1995-06-06
JP2004098926A2004-04-02
JP2009241881A2009-10-22
JP2001294023A2001-10-23
JP2006231961A2006-09-07
Other References:
JPN7013004443; JANUARY 2007 TIRE ANALYSIS REPORT 8729-T〜8733-T, 20070129, SMITHERS SCIENTIFIC SERVICES,INC.
Attorney, Agent or Firm:
Sumitomo Shintaro