Rubber composition for tire, tire, and method for manufacturing the tire
AssigneeToyo Tire & Rubber Co., Ltd.
InventorFumihiko Nakamura
Life of this patent
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Abstract
A rubber composition for a tire comprises 100 parts by mass of a rubber component comprising diene rubber, and from 0.5 to 20 parts by mass of pellets comprising paper powder and starch and having water content of 5 mass % or more. A tire is provided with a tread rubber part comprising a foamed rubber formed by the rubber composition. A method for manufacturing a tire comprises mixing from 0.5 to 20 parts by mass of pellets comprising paper powder and starch and having water content of 5 mass % or more with 100 parts by mass of a rubber component comprising diene rubber to prepare a rubber composition, producing an unvulcanized tire using the rubber composition obtained, and vulcanization molding the unvulcanized tire.
Claims11
A rubber composition for a tire comprising 100 parts by mass of a rubber component comprising diene rubber, and from 0.5 to 20 parts by mass of pellets comprising paper powder and starch and having water content of 5 mass % or more.
A method for manufacturing a tire, comprising:
- mixing from 0.5 to 20 parts by mass of pellets comprising paper powder and starch and having water content of 5 mass % or more with 100 parts by mass of a rubber component comprising diene rubber to prepare a rubber composition,
- producing an unvulcanized tire using the rubber composition obtained, and
- vulcanization molding the unvulcanized tire.
Dependencies are inferred from the claim text.