Pneumatic radial tire tread with rectangular blocks having side

Details Pneumatic radial tire tread with rectangular blocks having side Pneumatic radial tire tread with rectangular blocks having side

1989-07-26

1991-07-16

Weston, Caleb

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152210, B60C 1111, B60C 1114

Patent

active

050316800

ABSTRACT:
A pneumatic tire having tread blocks provided in the side walls with grooves opened at the top of the block, the depth gW of each groove in the axial direction of the tire being in the range of 5 to 50% of the block width BW, the width gL of each groove in the circumferential direction being in the range of 5 to 25% of the block length BL, the height gH of each groove at the block side wall being in the range of 15 to 80% of the depth GH of a main groove dividing the block, whereby performances on the snowy and icy roads and noise generation and wear resistance on the normal roads are well improved in good balance.

REFERENCES:
patent: 2670777 (1954-03-01), Wallace
patent: 4676290 (1987-06-01), Tansei et al.
patent: 4702292 (1987-10-01), Brayer
patent: 4856571 (1989-08-01), Collette et al.
Gummibereifung vol. 59, No. 4, Apr. 1983, pp. 14-15, Bielefeld, DE; Avon Turbospeed, Fulda Y-2000.
Gummibereifung vol. 64, No. 4, Apr. 1988, p. 50, Bielefeld, DE; Semperit Direction.

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