Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2016120832
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve durability of a bead part.SOLUTION: The pneumatic tire comprises: a bead core 26 buried in a bead part 12; a bead filler 28 arranged outside Z2 in a tire radial direction of the bead core 26; a carcass ply 18 including a ply cord wound up around the bead core 26 from inside Y1 toward outside Y2 in a tire shaft direction; a metal reinforcing layer 32 including a metal cord wound up, outside the carcass ply 18, from the inside Y1 toward the outside Y2 in the tire shaft direction; a first rubber layer 40, provided outside Y2 in the tire shaft direction of the bead filler 28, in which end parts 18B and 32Eout outside in the tire radial direction of the carcass ply 18 and the metal reinforcing layer 32 are buried; a second rubber layer 42, provided outside Y2 in the tire shaft direction of the first rubber layer 40, which is formed of rubber which is lower in modulus in 100% elongation than the first rubber layer 40; and a fiber-reinforced layer 34 including an organic fiber cord provided on an interface between the first rubber layer 40 and the second rubber layer 42.SELECTED DRAWING: Figure 2
Inventors:
KOJIMA KUNIHIRO
Application Number:
JP2014262044A
Publication Date:
July 07, 2016
Filing Date:
December 25, 2014
Export Citation:
Assignee:
TOYO TIRE & RUBBER CO
International Classes:
B60C15/00; B60C9/08; B60C15/06
Domestic Patent References:
| JPH0577616A | 1993-03-30 | |||
| JPH05178039A | 1993-07-20 | |||
| JP2013035407A | 2013-02-21 | |||
| JP2012076669A | 2012-04-19 | |||
| JP2009101943A | 2009-05-14 | |||
| JPH1191320A | 1999-04-06 |
Foreign References:
| WO2009043377A1 | 2009-04-09 | |||
| KR20130075792A | 2013-07-08 |
Attorney, Agent or Firm:
Masato Tsuda
Tetsuji Nakamura
Katsuyuki Tomita
Husband
Ariyoshi Yasuomi
Tamako Tsutada
Tetsuji Nakamura
Katsuyuki Tomita
Husband
Ariyoshi Yasuomi
Tamako Tsutada