Ingot pusher furnace with means for reducing heat loss

Details Ingot pusher furnace with means for reducing heat loss Ingot pusher furnace with means for reducing heat loss

1988-08-15

1989-08-22

Yuen, Henry C.

Heating

Heating apparatus element having protective cooling structure

Door, cover, door frame or rim of cover

432250, 110173R, F27D 112

Patent

active

048591785

ABSTRACT:
An ingot pusher furnace includes means for reducing heat loss from the charging and discharging ends of the furnace so as to produce a more efficient and uniform heating of the ingots. The pusher furnace includes support rails which extend between a first opening in the front wall and a second opening in the rear wall and terminates inside of the charging and discharging doors. The charging and discharging doors extend below the support rails in their closed position so as to provide a positive seal.

REFERENCES:
patent: 2033331 (1936-03-01), De Coriolis et al.
patent: 2254900 (1941-09-01), Lessmann
patent: 2270484 (1942-01-01), Wallerius
patent: 4054411 (1977-10-01), Beck
patent: 4427378 (1984-01-01), Bowers

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