Resilient tires and wheels – Tires – resilient – Cushion
Patent
1976-11-19
1978-06-20
Cockeram, H.S.
Resilient tires and wheels
Tires, resilient
Cushion
260 75NP, 260 75NH, 260 775AM, 260 318W, 264259, 264265, 264275, 152357A, B60C 100, C08G 1832, C08K 512, B29D 302
Patent
active
040956377
ABSTRACT:
A substantially solid industrial polyurethane tire/wheel assembly where said polyurethane is prepared by reacting (A) a curative of 1,3-propane diol with a prepolymer of diphenylmethane-4,4'-diisocyanate and a polymeric polyol or (B) a curative complex of 4,4'-methylene dianiline with a prepolymer of a diisocyanate selected from diphenylmethane-4,4'-diisocyanate and toluene diisocyanate with a polymeric polyether polyol. It is an important feature of this invention that the selection of reactants involved, for the dianiline complex, a partial substitution of the polyether polyol with a polyether-ester polyol.
REFERENCES:
patent: RE28424 (1975-05-01), McGillvary
patent: 2665521 (1954-01-01), Ford
patent: 2862246 (1958-12-01), Sadler et al.
patent: 2998403 (1961-08-01), Mueller
patent: 3004939 (1961-10-01), Varvaro
patent: 3188302 (1965-06-01), Lorenz
patent: 3348597 (1967-10-01), Goldberg et al.
patent: 3398222 (1968-08-01), Kaufman et al.
patent: 3471445 (1969-10-01), Carr
patent: 3755261 (1973-08-01), Van Gulick
patent: 3891606 (1975-06-01), Kogon
patent: 3980606 (1976-09-01), Werner
patent: 3997514 (1976-12-01), Kogon
Condensed Chemical Dictionary, 5th Ed., Reinhold, New York (1956), p. 862.
Vieweg-Hoechtlen-Kunststoff-Handbuch, Band VII Polyurethanes, Carl Hanser, Munich, 1966, pp. 84-85.
Cockeram H.S.
The Goodyear Tire & Rubber Company
Young, Jr. H. C.
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