High speed tire for heavy duty vehicles including bead part with

Details High speed tire for heavy duty vehicles including bead part with High speed tire for heavy duty vehicles including bead part with

1990-12-27

1993-02-23

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152525, 152543, 152547, B60C 300, B60C 304, B60C 1506

Patent

active

051886863

ABSTRACT:
A high speed tire for heavy duty vehicles comprise a belt layer of a carcass with radial structure, wherein a profile of the outer circumference of the tire in the specified internal pressure state satisfies that the maximum width and radius ratio Ro/W is not more than 0.54. At this point, the ratio Ro/W is defined as the ratio of the radius Ro of curvature of the arc which passes through maximum width point C, a reference point Q and an intermediate height point M to tire maximum width W. The maximum width point C is defined as a point where the tire width is maximum W. The reference point Q is defined as a point which is apart from the bead bottom line by the length of 0.2 times the total sectional height H of the tire. And the intermediate height point M is defined as a point which is intermediate between the maximum width point C and the reference point Q.

REFERENCES:
patent: 4214620 (1980-07-01), Mezzanotte
patent: 4244414 (1981-01-01), Uemura et al.
patent: 4815511 (1989-03-01), Brayer et al.

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