Tire having low rolling resistance

Details Tire having low rolling resistance Tire having low rolling resistance

1997-09-05

1999-04-27

Seidleck, James J.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

524425, 524493, 524495, 524496, 523200, 523220, B60C 1100, C08K 326, C08K 336, C08K 900

Patent

active

058969047

ABSTRACT:
The present invention provides a tire having a low rolling resistance, a high abrasion resistance, a low heat build-up and a high tear resistance. The low rolling resistance tire having a tread made of a rubber compound comprises a rubber component, carbon black and silica as reinforcing agents, wherein the rubber component comprises a natural rubber in an amount of 70% by weight or more, the rubber compound further contains a surface-treated calcium carbonate having a surface area by nitrogen adsorption of 15 m.sup.2 /g or more and 0 to 5 parts by weight of a softener per 100 parts by weight of the rubber component, and the amount of the carbon black and silica satisfy the following relations (1) and (2), and the amount of the surface-treated calcium carbonate satisfies the relation (3) in terms of parts by weight per 100 parts by weight of the rubber component:

REFERENCES:
patent: 4386169 (1983-05-01), Artur et al.
patent: 5496883 (1996-03-01), Hamada

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