Heat treatment system

Metallurgical apparatus – With programmed – cyclic – or time responsive control means

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Details

266252, C21D 900

Patent

active

052860078

ABSTRACT:
The heat treatment system includes a plurality of small-sized heat treating furnaces, having uniform heat treatment periods which are controlled to start the heat treatments in the respective furnaces with constant time lags. A lifting device is provided in front of the furnaces for introducing and discharging the workpieces. The lifting device is provided with a plurality of arms which project toward the furnaces, for supporting the workpieces. Untreated workpieces are stored in a front pool device and carried toward the lifting device by a conveyor, so that the lifting device inserts the workpieces into the furnaces. The workpieces, upon being completely heat treated, are removed from the furnace, moved downward onto the conveyor, and carried to a back pool device by the lifting device. The above series of operations are controlled by a single control unit.

REFERENCES:
patent: 3553414 (1971-01-01), McArthur
patent: 3749383 (1973-07-01), Voigt et al.

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