Refractory coating for metal

Details Refractory coating for metal Refractory coating for metal

1986-09-04

1988-03-08

Rosenberg, Peter D.

Metallurgical apparatus

Process

75 53, 75 58, 266270, C21B 716

Patent

active

047295481

ABSTRACT:
Disclosed is a heat resistant composite comprising a refractory coating on a metal substrate. The refractory coating is provided by mixing a refractory mortar with water, impregnating a water absorbent web of fibrous material with the liquid mixture, placing at least one layer of the impregnated web on a surface of the substrate as a coating, and drying the coating to remove the water and cause the refractory mixture to chemically bond. The substrate may be a pipe protected by the coating for use in injecting a refining agent beneath the surface of a molten metal composition comprising a scrap metal such as copper or aluminum.

REFERENCES:
patent: 2360109 (1944-10-01), Converse
patent: 3430940 (1969-03-01), Criss
patent: 3681051 (1972-08-01), Takashima
patent: 3976286 (1976-08-01), Thompson et al.
patent: 3979246 (1976-09-01), Ikeda et al.
patent: 4059712 (1977-11-01), Bothwell
patent: 4087081 (1978-05-01), Michaelis
patent: 4093193 (1978-06-01), Cassidy et al.
patent: 4296921 (1981-10-01), Hayashi
The Making, Shaping and Treating of Steel, U.S. Steel (9th Ed.), pp. 36-65.

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