Pneumatic tire including sipes

Details Pneumatic tire including sipes Pneumatic tire including sipes

1989-05-01

1991-01-22

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152DIG3, B60C 1112

Patent

active

049863258

ABSTRACT:
A pneumatic tire comprises a plurality of main grooves in a tread of the tire. The main grooves substantially circumferentially extend and are spaced apart from each other in an axial direction of the tire. Each the main groove is continuous. Intersection angles between an equatorial plane of the tire and tangents to each the main groove are larger from a starting end to a terminal end of the main groove opening at a tread end of the tire. Th pneumatic tire further comprises a plurality of sipes in a tread of the tire. The sipes extend substantially in axial directions of the tire but are inclined relative to the equatorial plane of the tire and spaced apart from each other in circumferential directions. Each the sipe is inclined with its opening directing forward in a rotating direction of the tire.

REFERENCES:
patent: 2094636 (1937-10-01), Bull
patent: 2104532 (1938-01-01), Sommer
patent: 4566514 (1986-01-01), Mauk et al.
patent: 4598747 (1986-07-01), Flechtner
patent: 4723584 (1988-02-01), Yamaguchi et al.

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