Method for making fused refractory products

Details Method for making fused refractory products Method for making fused refractory products

1972-10-25

1977-04-19

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264337, B28B 114, B29C 500

Patent

active

040188647

ABSTRACT:
A mold for molding melted refractory products, which comprises, on the internal surface of its side walls, thin surface discontinuities for holding the solidified crusts which are formed against said side walls, above the level of the melted product, on filling the mold, due to the splashing of some of the melted product. Preferably the side walls of the mold are metallic and cooled by a circulating liquid. The mold of the invention permits to make molded products which are free from the defects called "casting side voids".

REFERENCES:
patent: 1207867 (1916-12-01), Cordes
patent: 1546266 (1925-07-01), Thompson et al.
patent: 1897003 (1933-02-01), Goldsborough et al.
patent: 1936280 (1933-11-01), Williams
patent: 2221947 (1940-11-01), Kauffman
patent: 3163687 (1964-12-01), Einhorn
patent: 3258840 (1966-07-01), Hedgewick et al.
patent: 3584088 (1971-06-01), Williams
patent: 3606637 (1971-09-01), Lawless
Anon., Webster's Seventh New Collegiate Dictionary, Merriam, Springfield, Mass. (1967), pp. 696 & 720 relied on.
Jones, G. O., Glass, Methuen, N.Y. (1956), pp. 6, 7, 22 & 23 relied on.

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