Pneumatic radial tire with specified tread profile

Details Pneumatic radial tire with specified tread profile Pneumatic radial tire with specified tread profile

1997-01-21

1998-09-08

Johnstone, Adrienne C.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152454, 152531, B60C 300, B60C 1100, B60C 1101

Patent

active

058039996

ABSTRACT:
A pneumatic radial tire has a tread profile comprising a curved crown part having a radius of curvature R1, a pair of curbed middle parts having a radius of curvature R2 and a pair of curved shoulder parts having a radius of curvature R3 which extend continuously without forming any inflection point, wherein the radius R1 is in the range of from 2.0 to 3.5 times the tread width TW and is less than the radius R2 and more than the radius R3, and the camber quantity T1 which is the radial distance of the tread profile at the tread edges from the tread profile at the tire equator is 0.038 to 0.050 times the tread width TW.

REFERENCES:
patent: 5117886 (1992-06-01), Tokutake
patent: 5222537 (1993-06-01), Saito et al.
patent: 5238038 (1993-08-01), Glover et al.
patent: 5247979 (1993-09-01), Asano
Patent Abstracts of Japan vol. 12, No. 183 (M-703), 28 May 1988 & JP 62-295702 A (Sumitono Rubber Ind. Ltd.), 23 Dec. 1987.

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