Heavy duty pneumatic tires with reduced belt weight

Details Heavy duty pneumatic tires with reduced belt weight Heavy duty pneumatic tires with reduced belt weight

1994-11-29

1996-05-28

Johnstone, Adrienne C.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

57212, 57902, 152451, 152534, B60C 918, B60C 920, D07B 106

Patent

active

055202330

ABSTRACT:
A heavy duty pneumatic tire comprises a radial carcass, and a belt comprised of at least three belt layers, in which a first belt layer contains cords inclined at a large cord angle with respect to an equatorial plane of the tire and each of a second belt layer and a third belt layer contains cords inclined at a small cord angle with respect to the equatorial plane and cords of the second and third belt layers are crossed with each other. In the tire, the first belt layer is comprised of steel cords having a 1.times.N structure (N: 2-5) and/or each of the second and third belt layers is comprised of steel cords obtained by twisting 6 sheath steel filaments each having a filament diameter of not more than 0.30 mm around a single core filament at a twisting angle of not more than 6.degree..

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