B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
152/81
B60C 9/08 (2006.01) B60C 1/00 (2006.01) B60C 9/14 (2006.01) B60C 9/18 (2006.01) B60C 11/00 (2006.01) B60C 11/18 (2006.01)
Patent
CA 1113357
ABSTRACT OF THE DISCLOSURE A pneumatic radial-ply tire in which the rubber portion of at least one of a carcass ply and an undertread constituting the tire is made of a rubber which has a visco- elastic property of loss tangent, tan .delta. , of 0.2 or lower (tan.delta. ? 0.2) and storage modulus, G, of 120 kg/cm2 or higher (G ? 120 kg/cm2), so that the rolling resistance of the tire is reduced without being accompanied by degradation of braking performance, control stability, comfortableness and wear resistance of the tire.
348128
Hirai Masaru
Kozima Masatoshi
Nagumo Tadanobu
Tokieda Akinori
Marks & Clerk
The Yokohama Rubber Co. Ltd.
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