B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
152/124
B60C 11/00 (2006.01) B60C 1/00 (2006.01)
Patent
CA 2036236
The present invention provides an optimum radial tyre which is suitable for most cars. In the present invention, an a value is introduced as indicating the properties of the car and the tread rubber of the tyre is selected according to the .alpha. value. Accordingly, the present invention provides a radial tyre which comprises a tread and sidewall, wherein the tread has the claimed relation between a viscoelasticity (tan .delta.) peak temperature (Tg) and an a value which indicates the properties of a car, and a one side half width (w/2) near the tan .delta. peak temperature of 25 deg or less.
Kikuchi Naohiko
Noma Hiroyuki
Saito Yuichi
Watanuma Susumu
Kirby Eades Gale Baker
Sumitomo Rubber Industries Limited
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