Composite refractory articles and method of manufacturing them

Details Composite refractory articles and method of manufacturing them Composite refractory articles and method of manufacturing them

1982-09-17

1985-02-05

Rutledge, L. Dewayne

Metallurgical apparatus

Process

266281, 266284, 264 30, 222600, B22D 4108

Patent

active

044974736

ABSTRACT:
A method of manufacturing a composite refractory article having a flow passage through which a molten metal stream may be conducted and comprising a first body of refractory material which defines a surface of that passage, the first body being bonded to a second body of refractory material. The second body is provided to define a passageway of greater cross-sectional dimensions than the flow passage. Within the passageway, the first body of refractory material is provided for defining the flow passage surface, the first body being formed in the larger passageway by causing its refractory material to cohere and bond to the second body by fusion or partial fusion in situ.

REFERENCES:
patent: 1663660 (1928-03-01), Hottinger
patent: 3685707 (1972-08-01), Shapland
patent: 3737489 (1973-06-01), Murton
patent: 4085894 (1978-04-01), Kubo et al.
patent: 4192460 (1980-03-01), Matsuo

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