Metallurgical apparatus – Means treating solid metal – By contact with gas
Patent
1980-09-16
1983-02-15
Rutledge, L. Dewayne
Metallurgical apparatus
Means treating solid metal
By contact with gas
266259, C21D 908, C21D 108, C21D 1767
Patent
active
043737064
ABSTRACT:
Apparatus for heat treatment of metal pieces such as billets, ingots, bars and the like, by pre-heating using hot gas impingement in a pre-heating furnace, and then transference into a holding furnace using forced hot air circulation where the metal pieces are held for the time required at the desired heat treatment temperature.
REFERENCES:
patent: 4135704 (1979-01-01), Elhaus et al.
patent: 4245818 (1981-01-01), Elhaus et al.
Elhaus Friedrich W.
Hilge Bernhard
Elhaus Friedrich Wilhelm
Marmorek Ernest F.
Prolizenz A.G.
Rutledge L. Dewayne
Schiavelli Alan E.
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