Resilient tires and wheels – Tires – resilient – Cushion and pneumatic combined
Patent
1977-09-14
1980-08-12
Love, John J.
Resilient tires and wheels
Tires, resilient
Cushion and pneumatic combined
152330RF, 152341, B60C 1700
Patent
active
042168090
ABSTRACT:
A run-flat insert structure for a pneumatic tire is disclosed in which the insert structure comprises a homogeneous elastomeric material and is fully enclosed and pneumatically inflated. The insert structure is mounted within the cavity formed by the pneumatic tire and the wheel rim upon which the tire is mounted. The insert structure is shaped and spaced from the interior walls of the tire such that contact between the insert structure and the interior tire walls is minimized during rated load carrying and inflation conditions of the tire. The volume of the insert structure is less than 50% of the volume of the cavity formed by the tire and the wheel rim to thereby assist in avoiding undesirable contact between the insert structure and the tire. During the deflated condition of the tire, the insert structure supports the tire and its load at a deflection that prevents excessively rapid deterioration of the tire while running in the deflated, run-flat condition.
REFERENCES:
patent: 2729618 (1956-01-01), Muller et al.
patent: 3160191 (1964-12-01), Anderson
patent: 3225811 (1965-12-01), Hawkes
patent: 3407859 (1968-10-01), Johnson
patent: 3578056 (1971-05-01), Wynbelt
patent: 3941176 (1976-03-01), Schwartz
Love John J.
Posin Jack
Uniroyal Inc.
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