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US 11,697,305 B2Granted
Tire for a motorcycle
AssigneeSumitomo Rubber Industries, Ltd.
InventorKota Tomita
Life of this patent
Estimating the term…
Abstract
Provided is a tire for a motorcycle having an improved turning stability on wet road surface, the tire comprises a tread composed of a rubber composition, which comes into contact with a road surface, wherein Hs being a rubber hardness and M300 being a tensile stress (MPa) at 300% elongation of the rubber composition of the tread satisfy Equations 1, 2, and 3: 60≤Hs≤80, Equation 1: 2≤M300≤12, and Equation 2: (M300−2)/(Hs−60)≤0.75. Equation 3:
Claims8
A tire for a motorcycle comprising:
- a tread composed of a rubber composition, which comes into contact with a road surface, the rubber composition including:
- a rubber component;
- a resin selected from the group consisting of a petroleum resin, a rosin-based resin, a phenol-based resin, and a coumarone-based resin;
- and
- carbon black in an amount of 20 to 200 parts by mass based on 100 parts by mass of the rubber component,
- wherein
- the resin has a weight-average molecular weight of from 300 to 15,000,
- Hs being a rubber hardness and M300 being a tensile stress (MPa) at 300% elongation of the rubber composition of the tread satisfy Equations 1, 2, and 3:
- 60≤Hs≤80, Equation 1:
- 2≤M300≤12, and Equation 2:
- (M300−2)/(Hs−60)≤0.75, and Equation 3:
- the tire is configured as a motorcycle tire.
9 more elements
Dependencies are inferred from the claim text.