Radial tire tread pattern having shoulder blocks

Details Radial tire tread pattern having shoulder blocks Radial tire tread pattern having shoulder blocks

1988-07-13

1990-08-07

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

B60C 1106

Patent

active

049459635

ABSTRACT:
A radial tire comprising a tread having a tread pattern wherein at least two longitudinal grooves are formed in a zigzag-shaped configuration in the circumferential direction of the tire, and transverse grooves extending from each of the two outermost grooves of the longitudinal grooves to each tread end. The transverse grooves are arranged to form shoulder blocks circumferentially at substantially regular intervals with the difference between the maximum value and the minimum value in the total of the areas of the circumferentially opposed sides of the shoulder block being maintained within 10% of the maximum value, whereby the resistance to heel-and-toe abrasion and the durability of the tire are improved without impairing the wet grip characteristics of the tire.

REFERENCES:
patent: 2104532 (1938-01-01), Sommer
patent: 3550665 (1970-12-01), Verdier
patent: 3799230 (1974-03-01), Montagne
patent: 3831654 (1974-08-01), Boileau

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