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Patent Searching and Data


Title:
TIRE
Document Type and Number:
Japanese Patent JP2011046225
Kind Code:
A
Abstract:

To provide a tire allowing compatibly achieving of cutting resistance and riding comfort.

This pneumatic tire 10 includes a bead part 1, a carcass 5 made by twisting a plurality of cords and including a folded part 5a folded back to the tread width direction outside in the bead part 1 and a belt layer 7 arranged at the tire radial direction outside of the carcass 5. The carcass 5 includes a first region 51 including an outside end of the tire radial direction of the carcass 5 and a second region 52 continuous to the first region 51 in the folded part 5a. An inside end 51a of the first region 51 is located in the range of ≥40% and ≤60% of a tire height H1 in relation to the tire height H1 to be a height from a bead toe 1a at the tire radial direction inside of the bead part 1 up to an end part 7a at the tire radial direction outside of a tread part 4. An outside end 51b of the first region 51 is located in the vicinity of a tread width direction end part of a belt layer 7. The twisting number of cords in the first region 51 is larger than that in the second region 52.


Inventors:
YAMAURA TSUNEYOSHI
Application Number:
JP2009194333A
Publication Date:
March 10, 2011
Filing Date:
August 25, 2009
Export Citation:
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Assignee:
BRIDGESTONE CORP
International Classes:
B60C9/08; B60C15/00
Attorney, Agent or Firm:
Hidekazu Miyoshi
Iwa Saki Kokuni
Kawamata Sumio
Masakazu Ito
Shunichi Takahashi
Toshio Takamatsu