Title:
HEAVY-LOAD TIRE
Document Type and Number:
WIPO Patent Application WO/2015/182413
Kind Code:
A1
Abstract:
A heavy-load tire (1) is provided with: a pair of bead portions (10) to be assembled to a rim flange; and a carcass ply (20) straddling the pair of bead portions (10). Each of the pair of bead portions (10) is provided with a bead core (12) having a bottom surface. The bead core (12) is such that, in a cross section taken in a tire radial direction, a length (L1) from the center in the tire width direction of the bottom surface (12B) to an inner-most portion (12IE) positioned at the most inside in the tire width direction is smaller than a length (L2) from the center in the tire width direction of the bottom surface (12B) to an outer-most portion (12OE) positioned at the most outside in the tire width direction, wherein a ply inclined angle (θ) is not more than 50°.
Inventors:
KITORA ATSUSHI
WADA SHOGO
WADA SHOGO
Application Number:
PCT/JP2015/064134
Publication Date:
December 03, 2015
Filing Date:
May 18, 2015
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C15/04
Foreign References:
| JPH09263113A | 1997-10-07 | |||
| JP2003104016A | 2003-04-09 | |||
| JPS5139803A | 1976-04-03 | |||
| JPS5391205A | 1978-08-10 |
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (JP)
Hidekazu Miyoshi (JP)
Hidekazu Miyoshi (JP)
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