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:
Assignee:
SUMITOMO RUBBER IND
International Classes:
B60C9/08; B60C11/01; B60C11/11; B60C11/12; B60C17/00
Domestic Patent References:
JP2001277824A | 2001-10-10 | |||
JPH07144507A | 1995-06-06 | |||
JP2004098926A | 2004-04-02 | |||
JP2009241881A | 2009-10-22 | |||
JP2001294023A | 2001-10-23 | |||
JP2006231961A | 2006-09-07 | |||
JP2004189106A | 2004-07-08 | |||
JP2008222158A | 2008-09-25 | |||
JP2009269500A | 2009-11-19 | |||
JP2005067274A | 2005-03-17 | |||
JPH0976711A | 1997-03-25 | |||
JP2001277824A | 2001-10-10 | |||
JPH07144507A | 1995-06-06 | |||
JP2004098926A | 2004-04-02 | |||
JP2009241881A | 2009-10-22 | |||
JP2001294023A | 2001-10-23 | |||
JP2006231961A | 2006-09-07 |
Other References:
JPN7013004443; JANUARY 2007 TIRE ANALYSIS REPORT 8729-T〜8733-T, 20070129, SMITHERS SCIENTIFIC SERVICES,INC.
Attorney, Agent or Firm:
Sumitomo Shintaro