Furnace with protective atmosphere for heating metals

Details Furnace with protective atmosphere for heating metals Furnace with protective atmosphere for heating metals

1980-08-29

1981-10-13

Rutledge, L. Dewayne

Metallurgical apparatus

Means treating solid metal

By contact with gas

266252, C21D 106

Patent

active

042944368

ABSTRACT:
A furnace for the heat-treatment of metallic articles with a protective atmosphere such as a reductive gas mainly consisting of H.sub.2, CO, N.sub.2. Said protective atmospheric gas is made from LPG, LNG, urban gas and other raw natural gases which have been supplied into the furnace directly from their sources by heating them by heating elements within the furnace and simultaneously converting them by a plurality of catalytic means extending along said heating elements.

REFERENCES:
patent: 2543708 (1951-02-01), Rice et al.
patent: 3237428 (1966-03-01), Warman
patent: 3519257 (1970-07-01), Winter et al.

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