Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2019055654
Kind Code:
A
Abstract:
To provide a pneumatic tire which can highly achieve well-balanced brakability, tire weight and rolling resistance.SOLUTION: In a pneumatic tire in which a mounting direction to a vehicle is designated, a bead reinforcement layer is provided on only the vehicle inner side, a periphery length r1 of a bead reinforcement layer 21 on the vehicle inner side or elastic modulus E1 and a periphery length r2 of a bead reinforcement layer 22 on the vehicle outer side or elastic modulus E1 are made different so that the periphery lengths r1 and r2 or elastic moduli E1 and E2 satisfy a relationship of r1>r2 or E1>E2, and a partial tie rubber layer 40 is restrictedly arranged between layers of a carcass layer 4 and an inner liner layer 9 and over the whole region excluding each tip portion of the pair of bead parts 3.SELECTED DRAWING: Figure 1
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Inventors:
KYO KOKIN
Application Number:
JP2017180528A
Publication Date:
April 11, 2019
Filing Date:
September 20, 2017
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD
International Classes:
B60C5/14; B60C3/06; B60C5/00; B60C9/08; B60C15/06
Attorney, Agent or Firm:
Seiryu International Patent Service Corporation
Takayoshi in the daytime
Masao Sakaizawa
Takayoshi in the daytime
Masao Sakaizawa