Radial tire tread having inclined and axial sipes

Details Radial tire tread having inclined and axial sipes Radial tire tread having inclined and axial sipes

1988-03-10

1989-11-07

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152DIG3, B60C 1112

Patent

active

048785261

ABSTRACT:
A radial tire having a tread provided with a plurality of circumferential grooves extending circumferentially of the tire to form a rib pattern thereon, said tread having lateral side portions, each having a width of 10 to 35% of the tread width extending from each edge thereof, said side portions being provided with sipes arranged at intervals of 8 to 20 mm in the circumferential direction of the tire, said sipes each comprising a main portion inclined with respect to the axial direction of the tire at an angle of 5 to 25 degrees and an outer portion located axially outward of said main portion and extending axially at an angle of not more than 5 degrees to the axial direction of the tire, the axial length of said outer portion of each sipe being not more than 10% of the tread width and being not more than 50% of the axial length of the sipe.

REFERENCES:
patent: D114954 (1939-05-01), Kraft
patent: 2094636 (1937-10-01), Bull
patent: 2926715 (1960-03-01), Constantakis

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