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US 5,852,079 AGranted
Rubber composition for tires
AssigneeContinental Aktiengesellschaft
InventorWolfgang Loreth
Life of this patent
Estimating the term…
Abstract
A rubber composition for tire treads includes a rubber mixture and a fiber mixture of cellulose fibers and keratin fibers in a weight ratio of 1:5 to 5:1 mixed into the rubber mixture. The fiber mixture is present in the rubber composition in 2 to 25 parts by weight per 100 parts by weight of rubber. The keratin fibers are preferably wool fibers, animal hair, and animal bristles and the cellulose fibers are preferably cotton fibers and coco fibers.
Claims10
A rubber composition for a tire tread, said rubber composition comprising:
- a rubber mixture containing rubber and additives;
- and
- a fiber mixture of cellulose fibers and keratin fibers in a weight ratio of 1:5 to 5:1 mixed into said rubber mixture;
- said fiber mixture present in said rubber composition in 2 to 25 parts by weight per 100 parts by weight of rubber for improving winter driving performance of the tire tread.
1 more element
Dependencies are inferred from the claim text.