Tire of superior cut resistance

Details Tire of superior cut resistance Tire of superior cut resistance

1992-01-23

1993-07-06

Knable, Geoffrey L.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

B60C 1100

Patent

active

052250113

ABSTRACT:
A tire having superior cut resistance and less belt separation comprising a tread with steel cord belts in which a center rubber for middle part of the tread and a side rubber for both sides thereof are respectively formed of different rubber compositions, and in which at least an inner portion of the center rubber is composed of a rubber composition of superior cut resistance wherein either a natural rubber of a SBR blended natural rubber is compounded with carbon black of large iodine absorption number, silica and silane coupling agent expressed by a formula of (OR).sub.3 SiCnH.sub.2 nSmCnH.sub.2 nSi(OR).sub.3 or (OR).sub.3 SiCnH.sub.2 nX, while the side rubber is composed of a rubber composition having small heat build up.

REFERENCES:
patent: 2445725 (1948-07-01), Walker
patent: 3364965 (1968-01-01), Oubridge
patent: 3768537 (1973-10-01), Hess et al.
patent: 3873489 (1975-03-01), Thurn et al.
patent: 4154277 (1979-05-01), Sato et al.
patent: 4319620 (1983-03-01), Knill
patent: 4381810 (1983-05-01), Cady et al.

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