Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
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.
Kajikawa Akira
Saito Kenji
Saito Saneto
Knable Geoffrey L.
Sumitomo Rubber Industries Ltd.
Weston Caleb
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