Heating – Work chamber having heating means – Combustion products heat work by contact
Patent
1998-06-15
1999-12-21
Jeffery, John A.
Heating
Work chamber having heating means
Combustion products heat work by contact
432242, 494771, F27D 118
Patent
active
060041307
ABSTRACT:
A device for sealing a passageway in a flue from a carbon anode baking furnace, the flue being generally rectangular in shape and comprising a flue top and bottom, a headwall on either end of the flue, two walls, an opening in the flue top, at least one baffle, and a plurality of spacers which are connected to both walls of the flue, the headwall, the two walls and the flue top define a headwall port which permits fluid passage between adjoining flues; the sealing device comprises; an inflatable bladder; a means to deliver air under pressure connected to the inflatable bladder by a seal to prevent air leakage between the means to deliver air under pressure and the inflatable bladder; the inflatable bladder is long enough to extend from the flue top to a headwall and seal off the communication between flues at the headwall port when inflated.
REFERENCES:
patent: 3593971 (1971-07-01), Blackman
patent: 4163458 (1979-08-01), Bachmann
patent: 4189457 (1980-02-01), Clement, Jr.
patent: 4842511 (1989-06-01), Young
Jeffery John A.
Kaiser Aluminum & Chemical Corporation
Wilson Gregory A.
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