Metallurgical apparatus – With control means responsive to sensed condition – With analyzer or computation means
Patent
1990-06-08
1991-11-12
Kastler, S.
Metallurgical apparatus
With control means responsive to sensed condition
With analyzer or computation means
266110, 266252, C21B 724
Patent
active
050641735
ABSTRACT:
An annealing treatment in a continuous furnace in which a flow of dense inert gas is injected in a rising duct and a descending duct, these flows being regulated by the analysis of hydrogen detected by a pressure controller acting on valves to achieve a minimum escape of hydrogen.
REFERENCES:
patent: 2886478 (1959-05-01), Beard
patent: 4769090 (1988-09-01), Queille
Ecalle Olivier
Vinckx Valery
Kastler S.
L'Air Liquide Societe Anonyme pour l'Etude et, l'Exploitation de
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