Tower furnace for the heat treatment of metal strips

Details Tower furnace for the heat treatment of metal strips Tower furnace for the heat treatment of metal strips

1998-05-29

2000-02-29

Pelham, Joseph

Electric heating

Heating devices

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

219388, 266103, 266104, 266108, 432 8, 432143, 432148, 373119, 373127, C21D 962, C21D 966, F27B 109, F27B 928

Patent

active

060312068

ABSTRACT:
A tower furnace for the heat treatment of metal strips comprises a muffle (3) extending over the entire furnace height, through which muffle passes the strip (6). At the top of the muffle (3) an insulated stopper (1) with an electric heater (2) has been inserted into the muffle (3). Below this stopper (1) a gas-heated preheating space (4) is provided in the muffle (3).

REFERENCES:
patent: 3823003 (1974-07-01), Mulcihy
patent: 4266932 (1981-05-01), Shinohara
patent: 4299565 (1981-11-01), Shinohara
patent: 4691898 (1987-09-01), Imose
patent: 4760995 (1988-08-01), Fukuda et al.
patent: 4836774 (1989-06-01), Harada et al.
patent: 5588828 (1996-12-01), Nagata et al.
patent: 5609785 (1997-03-01), Sallinen et al.

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