Metallurgical apparatus – Thermite reaction vessel
Patent
1975-06-13
1977-12-20
Lake, Roy
Metallurgical apparatus
Thermite reaction vessel
104 15, C21B 1500
Patent
active
040637204
ABSTRACT:
The invention relates to an automatic unplugging aluminothermic welding crucible comprising a crucible per se made of refractory material, shaped generally as a truncated cone with a vertical axis, said cone tapering inwardly to the lower base thereof and comprising a conical hole receiving a crown provided with a conical bore, said conical bore receiving a casting socket, the conduit thereof being sealed by sealing means before filling of said crucible, said sealing means comprising a plug made of an aluminothermic compound consisting of iron oxide and aluminum agglomerated with a suitable binder, said plug resting on a steel washer.
According to the invention, said sealing means comprise a plug made of an aluminothermic compound consisting of iron oxide and aluminum agglomerated with a suitable binder, for example, made of silicate.
REFERENCES:
patent: 1168061 (1916-01-01), Deppeler
patent: 1542784 (1925-06-01), Deppeler
patent: 1833739 (1931-11-01), Davis
patent: 1880242 (1932-10-01), Dickson
patent: 1883755 (1932-10-01), Begtrup
patent: 2024132 (1935-12-01), Sander
patent: 3050409 (1962-08-01), Bayer
patent: 3103721 (1963-09-01), Bishop et al.
patent: 3831915 (1974-08-01), Guntermann
Publication: Feralite; 1923; published by Alumino-Thermic Corp.
Boutet Camille
Fevre Andre
Bell Paul A.
Lake Roy
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