Title:
TIRE
Document Type and Number:
WIPO Patent Application WO/2020/189100
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a tire having improved overall performances with respect to fuel-saving properties, life performance, wet grip performance, and steering stability. The present invention relates to a tire including a tread, wherein the tread comprises a rubber ingredient, silica having a nitrogen-adsorption specific surface area of 200 m2/g or larger, and a softener and the tread satisfies the following relationship (A). (A) 0.25≤[total silica amount (parts by mass)]/[(total softener amount (parts by mass))×(depth of main groove (mm))]≤0.60
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Inventors:
KUNISAWA TETSUYA (JP)
Application Number:
PCT/JP2020/005262
Publication Date:
September 24, 2020
Filing Date:
February 12, 2020
Export Citation:
Assignee:
SUMITOMO RUBBER IND (JP)
International Classes:
B60C1/00; B60C11/00; C08K3/36; C08L21/00
Domestic Patent References:
| WO2018135530A1 | 2018-07-26 | |||
| WO2019017417A1 | 2019-01-24 |
Foreign References:
| JP2018188566A | 2018-11-29 | |||
| JP2018145271A | 2018-09-20 | |||
| JP2018145271A | 2018-09-20 |
Other References:
See also references of EP 3800068A4
Attorney, Agent or Firm:
YASUTOMI & Associates (JP)
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