Cast tire and method of manufacture

Details Cast tire and method of manufacture Cast tire and method of manufacture

1980-12-15

1981-12-15

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Patches

152357A, 2643283, B60C 1300

Patent

active

043054463

ABSTRACT:
An annular hollow tire with an inner surface having a generally positive radius of curvature and at least one circumferentially extending rib portion on the inner surface with a negative radius of curvature located at an area of the tire subject to high stresses to mitigate the stress concentrations in that area of the tire. The method of making the tire includes the steps of providing a tire mold with a core having a selected circumferentially extending portion on the outer surface with a negative radius of curvature for forming the rib portion, filling the space between the core and mold surface with an elastomeric precursor, heating to set the precursor and form the tire and removing the tire from the mold and the core from the tire.

REFERENCES:
patent: 1827668 (1931-10-01), Musselman
patent: 1836091 (1931-12-01), Shoemaker
patent: 3495645 (1970-02-01), Gough
patent: 3782440 (1974-01-01), Depmeyer
patent: 3789900 (1974-02-01), Verdier
patent: 3892269 (1975-07-01), Powell et al.
patent: 3954131 (1976-05-01), Hoshino et al.
patent: 3980606 (1976-09-01), Wermer
patent: 4006767 (1977-02-01), Ford
patent: 4230169 (1980-10-01), Boileau et al.

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