Apparatus for the heat treatment of workpieces

Details Apparatus for the heat treatment of workpieces Apparatus for the heat treatment of workpieces

1998-10-23

2000-11-14

Walberg, Teresa

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

34661, 432 9, 432 11, 432243, F27B 906

Patent

active

061473286

ABSTRACT:
An apparatus for the heat treatment of work pieces comprising comprising a plurality of evacuable chambers connected through airlocks, a conveyor, preferably a circular chain conveyor for the transport of the workpieces along a path through the chambers, an electric resistance heating device, a cooling blower, and a heat exchanger, a plurality of workpieces of equal size and configuration, in particular hacksaw blades, are placed tightly one on top of another and form a stack which is placed into a frame made of profile cuts, whereby the frame is capable of being coupled to a conveyor by means of suspension elements.

REFERENCES:
patent: 3609295 (1971-09-01), Bielefeldt
patent: 4086050 (1978-04-01), Luiten
patent: 4610886 (1986-09-01), Buller-Colthurst
patent: 4886449 (1989-12-01), Brittin
patent: 5039841 (1991-08-01), Kato et al.
patent: 5154338 (1992-10-01), Okuno et al.
patent: 5163599 (1992-11-01), Mishina et al.
patent: 5273585 (1993-12-01), Shoga
patent: 5871806 (1999-02-01), Shoga

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