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Patent Searching and Data


Title:
TIRE
Document Type and Number:
WIPO Patent Application WO/2021/117491
Kind Code:
A1
Abstract:
Provided is a tire that has low rolling resistance and superior separation resistance, has high belt in-plane stiffness, and is also capable of suppressing pass-by noise. A tire 100 includes a belt 105, comprising at least one belt layer, in a tread section 101 that forms a contact patch. The belt layer comprises elastomer-coated reinforcing elements constituted by a plurality of metal filaments that have been pulled into alignment in a row without being twisted. A base tread of the tread section is formed from a rubber composition where the ratio 0°C tanδ/30°C tanδ is 2.90 or higher, 0°C tanδ being the value of tanδ at 0°C and 30°C tanδ being the value of tanδ at 30°C.

Inventors:
MATSUMOTO KYOHEI (JP)
Application Number:
PCT/JP2020/043931
Publication Date:
June 17, 2021
Filing Date:
November 26, 2020
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
International Classes:
D07B1/06; B60C9/22
Domestic Patent References:
WO2016098505A12016-06-23
WO2018190308A12018-10-18
WO2018190309A12018-10-18
WO2017203766A12017-11-30
Foreign References:
JP2010247738A2010-11-04
JPH01174547A1989-07-11
JP2019116574A2019-07-18
JP2017210191A2017-11-30
Attorney, Agent or Firm:
HONDA Ichiro (JP)
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