Pneumatic tire

Details Pneumatic tire Pneumatic tire

B - Operations, Transporting

60

C

B60C 17/04 (2006.01) B60C 1/00 (2006.01) B60C 9/14 (2006.01) B60C 13/00 (2006.01) B60C 17/00 (2006.01)

Patent

CA 2220815

A pneumatic passenger tire with improved durability of 50 miles after loss of pressure and improved ride quality. The tire has an aspect ratio of greater than 50%, having bead portions with a height of not less than 30% of the tire section height ,but no greater than the height of the maximum section width of the tire, and a pair of crescent-shaped sidewall inserts on either side of the belt package, disposed axially inward of the carcass structure, wherein the sidewall insert has a first inner end located at a position between 15% and 45% of height H of the bead portions, and a second outer end which extends to an axial position of not less than 40% of a half width of the outermost belt, as measured from the lateral edge of the belt toward an equatorial plane EP of the tire. The tire construction has sidewall insert is comprised of a sulfur-vulcanizable rubber compound having high compressive flex fatigue, high modulus and low hysterisis subsequent to vulcanization.

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