Pneumatic radial tire including chamfered blocks

Details Pneumatic radial tire including chamfered blocks Pneumatic radial tire including chamfered blocks

1998-11-12

2000-08-08

Maki, Steven D.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

15220928, B60C 1103, B60C10700

Patent

active

060986816

ABSTRACT:
A pneumatic radial tire comprises a tread provided with many blocks defined by grooves and/or sipes, in which (1) a peripheral portion of each of the blocks is chamfered in form of a curve or a straight line over a given region at a given chamfering depth in a mold during the vulcanization of the tire, and (2) the outer surface of the block becomes flat or substantially flat when the tire after the vulcanization is assembled onto a normal rim and inflated under a normal internal pressure.

REFERENCES:
patent: 4155392 (1979-05-01), Duderstadt et al.
patent: 4722378 (1988-02-01), Carolla et al.
patent: 5421391 (1995-06-01), Himuro
patent: 5609699 (1997-03-01), Himuro
patent: 5707461 (1998-01-01), Himuro
patent: 5714021 (1998-02-01), Ochi
patent: 5885384 (1999-03-01), Himuro

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