Pneumatic tire with specified spacing between cords of inner and

Details Pneumatic tire with specified spacing between cords of inner and Pneumatic tire with specified spacing between cords of inner and

1995-03-06

1997-02-25

Johnstone, Adrienne C.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152526, B60C 918, B60C 920

Patent

active

056055897

ABSTRACT:
An asymmetric reinforcement belt structure for a pneumatic tire includes an outer belt and inner belt, each reinforced with a plurality of generally parallel cords. The outer belt has a first portion between the centerlines of the cords and a first surface and a second portion between the centerlines of the cords and a second surface. The first portion has a thickness T1 which is between 110% and 150% of T2. Similarly, the inner belt has a third portion and a fourth portion, with the third portion being between the centerlines of the cords and a third surface and a the fourth portion being between the centerlines of the cords and a fourth surface. The fourth portion has a thickness T4 which is between 50% and 90% of a thickness of the third portion T3. Orienting the cords within the belts in this way separates them slightly more than would be so if the belts were symmetrical.

REFERENCES:
patent: 3583463 (1971-06-01), O'Neil et al.
patent: 3608606 (1971-09-01), Marzocchi
patent: 3799233 (1974-03-01), Cappa
patent: 3842885 (1974-10-01), Alban
patent: 3945421 (1976-03-01), Poque et al.
patent: 4691752 (1987-09-01), Kabe et al.
patent: 5014762 (1991-05-01), Beer et al.
patent: 5164028 (1992-11-01), Uemura
patent: 5186773 (1993-02-01), Oku et al.

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