Tire wheel

Resilient tires and wheels – Tires – resilient – Cushion

Patent

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Details

B60C 700

Patent

active

H00018708

ABSTRACT:
A tire wheel, is described, which comprises a tire shell having bead parts, a rim on which the tire shell is supported with the bead parts being pressed against the rim, and a filling material with which the ring-form inner space surrounded by the rim and the tire shell is filled, said filling material having an apparent specific gravity of from 0.08 to 0.3 and an impact resilience of from 50 to 80 (as determined by JIS K-6301) in a free state, consisting of an elastic foam containing butyl rubber or a halogenated butyl rubber and having a closed-cell structure with a water absorption as determined by the water absorption test prescribed in ASTM D1056 of 5% or lower, and being in a compressed state.

REFERENCES:
patent: 1193196 (1916-08-01), Sherbondy
patent: 3022810 (1962-02-01), Lambe
patent: 3195601 (1965-07-01), Travers
patent: 3208497 (1965-09-01), Schutt
patent: 3381735 (1968-05-01), Talcott et al.
patent: 3915774 (1975-10-01), Dobson
patent: 4909972 (1990-03-01), Britz

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