Pneumatic tire therad with wide central groove and arcuate groov

Details Pneumatic tire therad with wide central groove and arcuate groov Pneumatic tire therad with wide central groove and arcuate groov

1986-04-04

1987-10-20

Ball, Michael

Resilient tires and wheels

Tires, resilient

Anti-skid devices

B60C 1103

Patent

active

047007621

ABSTRACT:
A high speed radial passenger vehicle tire having an aspect ratio of not greater than about 60. The ground-engaging tread portion of the tire comprising a wide substantially straight extending depression in the central portion of the tread having a contact width equal to or greater than 10% of the contact width of the ground-engaging tread portion. The tread portion is also provided with a plurality of substantially axially extending grooves extending from each side of said groove to the respective tread edge. The tread portion has a net to gross in the range of 50 to 65, a width equal to or greater than approximately 90% of the maximum tire section width and a cross-sectional radius greater to or equal than the circumferential radius of the tire. The wide groove and axially extending grooves having a depth no greater than approximately 0.25 inches.

REFERENCES:
patent: 2756798 (1956-07-01), Palko et al.
patent: 4057089 (1977-11-01), Johannson

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