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Patent Searching and Data


Title:
PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2022/158086
Kind Code:
A1
Abstract:
This pneumatic tire is provided with a pair of bead cores that are embedded in a pair of bead portions, and a carcass that comprises one or more carcass plies straddling toroidally between the pair of bead cores. A bead filler is disposed on the outer side of each of the bead cores in the tire radial direction. The outer side of the bead filler in the tire width direction is provided with a rubber chafer. The ratio E2'/E1' satisfies 0.4 ≤ E2'/E1' ≤ 1, where E1' represents the storage elastic modulus of the bead filler and E2' represents the storage elastic modulus of the rubber chafer.

Inventors:
HATANAKA SHINTARO (JP)
KUWAYAMA ISAO (JP)
Application Number:
PCT/JP2021/040880
Publication Date:
July 28, 2022
Filing Date:
November 05, 2021
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C15/06
Domestic Patent References:
WO2016035840A12016-03-10
WO2021166792A12021-08-26
Foreign References:
JP2017121899A2017-07-13
JP2020055468A2020-04-09
JP2018083475A2018-05-31
JP2017121908A2017-07-13
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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