Title:
空気入りタイヤ
Document Type and Number:
Japanese Patent JP7251326
Kind Code:
B2
Abstract:
To provide a pneumatic tire capable of improving durability of a bead part.SOLUTION: A pneumatic tire which has such a structure that a carcass layer 4 including a steel cord is curled up from a tire inside to an outside around a bead core 5 of each bead part 3 is such that: a curled up end 4e of the carcass layer 4 is covered by a first organic fiber reinforcement layer 12A and a second organic fiber reinforcement layer 12B at both sides in a tire width direction; the first organic fiber reinforcement layer 12A and the second organic fiber reinforcement layer 12B contact with each other in an area from the curled up end 4e of the carcass layer 4 to a tire radial direction outside; an organic fiber cord comprising the first organic fiber reinforcement layer 12A, and an organic fiber cord comprising the second organic fiber reinforcement layer 12B have the same inclination direction with respect to a tire circumferential direction; and an end 12e of a tire radial direction inside of at least one of the first organic fiber reinforcement layer 12A and the second organic fiber reinforcement layer 12B is positioned in an area X.SELECTED DRAWING: Figure 3
Inventors:
Yoshiji Nishio
Application Number:
JP2019103633A
Publication Date:
April 04, 2023
Filing Date:
June 03, 2019
Export Citation:
Assignee:
THE YOKOHAMA RUBBER CO.,LTD.
International Classes:
B60C15/06; B60C15/00
Domestic Patent References:
JP59190011A | ||||
JP2018079727A | ||||
JP2010023834A | ||||
JP61064504A | ||||
JP61211104A |
Foreign References:
WO2015012255A1 |
Attorney, Agent or Firm:
Clear stream international patent attorney corporation
Daytime Takayoshi
Sakazawa Masao
Daytime Takayoshi
Sakazawa Masao
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