Title:
RUN-FLAT TIRE
Document Type and Number:
Japanese Patent JP2022157668
Kind Code:
A
Abstract:
To provide a run-flat tire which suppresses lowering of riding comfort.SOLUTION: In a run-flat tire, a bead filler is divided into a first bead filler and a second bead filler in a tire width direction, and a carcass folding part is folded to extend to pass through between the first bead filler and the second bead filler. A ratio A2/A1 is 0.7 or more and 1.5 or less, an elastic modulus E1 of the first bead filler is larger than an elastic modulus E2 of a side reinforcement rubber, and a ratio t1/t2 is 55% or less.SELECTED DRAWING: Figure 1
Inventors:
MUKOUYAMA TOMONAO
Application Number:
JP2021062025A
Publication Date:
October 14, 2022
Filing Date:
March 31, 2021
Export Citation:
Assignee:
BRIDGESTONE CORP
International Classes:
B60C17/00; B60C15/00; B60C15/06
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Yasuyuki Komatsu
Yusuke Yamaguchi
Mitsutsugu Sugimura
Yasuyuki Komatsu
Yusuke Yamaguchi