B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
152/124
B60C 3/04 (2006.01) B60C 11/00 (2006.01)
Patent
CA 1312268
ABSTRACT OF THE DISCLOSURE A pneumatic tire in which various tire performances, e.g. wear resistance, uneven wear resistance, fuel economy and the like are all improved in a balanced manner is disclosed herein. In such tire, a radial distance (LA) between a standard first point (An) on the tire equator on the tread surface (Tn) when the tire is inflated to a standard internal pressure and a 10% first point (As) on the tire equator on the tread surface (Ts) when the tire is inflated to 10% of the standard internal pressure is smaller than 1.0 mm. A radial distance (LC) between a standard third point (Cn) on the tread face (Tn) spaced apart 0.45 times the tread width (TWn) when inflated to the standard internal pressure from the standard first point (An) and a 10% third point (Cs) defined as the intersection of the radial line passing through the standard third point (Cn) with the tread face (Ts) is not smaller than 1.0 mm but is smaller than 4.0 mm. The ratio (LC/LA) of the distance, (LC) to the distance (LA) is not smaller than 4Ø There are also certain other critical relationships between the standard inner radius, the tread thickness and axial distances of the pneumatic tire.
597199
Saitou Kenji
Takehara Kenji
Borden Ladner Gervais Llp
Sumitomo Rubber Industries Limited
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