Title:
TIRE
Document Type and Number:
WIPO Patent Application WO/2022/074932
Kind Code:
A1
Abstract:
This tire is provided with a tread, wherein: the ratio (G/WL) of the tire weight G (kg) to the maximum load capacity WL (kg) of the tire is 0.0150 or less; Wt and Dt satisfy expression (1) where Wt (mm) is the tire section width and Dt (mm) is the tire outer diameter; the tread has at least one rubber layer composed of a rubber composition containing a rubber component, a filler, and a silane coupling agent; and the mean value of tanδ of the rubber composition at 15°C to 30°C is 0.20 or less, as measured under conditions of frequency at 10 Hz, initial strain at 10%, and amplitude at ±0.5% . (1): (π/4) × (Dt2/Wt) ≥ 1700
Inventors:
TANAKA TATSUHIRO (JP)
Application Number:
PCT/JP2021/029615
Publication Date:
April 14, 2022
Filing Date:
August 11, 2021
Export Citation:
Assignee:
SUMITOMO RUBBER IND (JP)
International Classes:
B60C11/00; B60C1/00; B60C3/04; B60C11/03; C08K3/013; C08K5/548; C08L21/00
Domestic Patent References:
| WO2018143380A1 | 2018-08-09 |
Foreign References:
| JP6863504B1 | 2021-04-21 | |||
| JP6863503B1 | 2021-04-21 | |||
| JP6919744B1 | 2021-08-18 | |||
| JP2020158709A | 2020-10-01 | |||
| JP2018123260A | 2018-08-09 | |||
| JP2019194282A | 2019-11-07 | |||
| EP2108527A1 | 2009-10-14 | |||
| JP2019202578A | 2019-11-28 | |||
| JP2018065954A | 2018-04-26 |
Attorney, Agent or Firm:
ASAHINA & CO. (JP)
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