Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube
Patent
1996-11-13
1998-06-23
Johnstone, Adrienne C.
Resilient tires and wheels
Tires, resilient
Pneumatic tire or inner tube
152546, 152554, 152555, B60C 1500, B60C 1506, B60C 1700
Patent
active
057699801
ABSTRACT:
A pneumatic passenger 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.
REFERENCES:
patent: 4261405 (1981-04-01), Yamauchi et al.
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patent: 5217549 (1993-06-01), Johnson
patent: 5368082 (1994-11-01), Oase et al.
patent: 5464899 (1995-11-01), Freeman et al.
patent: 5494091 (1996-02-01), Freeman et al.
patent: 5494958 (1996-02-01), Freeman et al.
patent: 5511599 (1996-04-01), Willard, Jr.
Bell Thomas W.
Hergenrother William L.
Kirby James M.
Spragg Charles D.
Bridgestone/Firestone Inc.
Johnstone Adrienne C.
Santa Maria Carmen S.
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