Title:
RUN-FLAT TIRE
Document Type and Number:
Japanese Patent JP2022157666
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 tire 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. An elastic modulus E1 of the first bead filler is larger than an elastic modulus E2 of the other part of a side reinforcement rubber; in a predetermined tire radial direction area, the one part of the side reinforcement rubber is a low elastic part lower than the other part; and an elastic modulus E3 of the low elastic part is 80% of the elastic modulus E2 or lower.SELECTED DRAWING: Figure 1
Inventors:
MUKOUYAMA TOMONAO
Application Number:
JP2021062019A
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