Furnaces

Heating – Advancing structure flexing – looping or coiling sheet – web...

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Details

432144, 432145, 34155, 34233, 266111, 266251, F27B 928

Patent

active

040652513

ABSTRACT:
A furnace for heating one or more bodies in which heated gas is introduced into the furnace chamber through one or more injectors and are conveyed to the bodies in a manner involving appreciable resistance to gas flow. In a preferred arrangement a continuous metal strip is conveyed through the furnace on a gaseous support cushion, the gas being introduced into the furnace under pressure through injectors which communicate with the lower portion of the furnace. The injectors generate a substantial recirculation of gas within the furnace.

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patent: 1948173 (1934-02-01), Hagen
patent: 2136993 (1938-11-01), Palmgren
patent: 2181928 (1939-12-01), Vaughan
patent: 2214157 (1940-09-01), Bannister
patent: 2795054 (1957-06-01), Bowen
patent: 3100632 (1963-08-01), Mohring
patent: 3513813 (1970-05-01), Towson et al.
patent: 3522936 (1970-08-01), Geipel et al.
patent: 3550922 (1970-12-01), Geipel
patent: 3604824 (1971-09-01), Hardison
patent: 3614074 (1971-10-01), Wellford, Jr.
patent: 3997317 (1976-12-01), Dicks

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