Pneumatic radial tire for heavy loads

Details Pneumatic radial tire for heavy loads Pneumatic radial tire for heavy loads

1993-11-19

1995-05-23

Maki, Steven D.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

B60C 1113

Patent

active

054172683

ABSTRACT:
A pneumatic radial tire for heavy loads having block type tread pattern defined by a plurality of grooves provided on a tread surface thereof and by a plurality of blocks segmented and formed by the plurality of grooves, characterized in that each of at least such ones of the plurality of grooves which traverse the plurality of blocks in a width direction of the tire, having a sectional shape on each side of the groove, taken in a direction crossing the groove, the sectional shape of the grooves, comprises: a slanted linear line positioned on a bottom side of the groove and expanding outwardly toward the tread surface; and a circular arc line positioned on a side of the tread surface, an inward end of which contacting the linear line, and an outward end of which contacting the tread surface.

REFERENCES:
patent: 4284115 (1981-08-01), Ohnishi
patent: 4945963 (1990-08-01), Fujiwara

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