Apparatus for continuous heat treatment of metal strip in coil f

Details Apparatus for continuous heat treatment of metal strip in coil f Apparatus for continuous heat treatment of metal strip in coil f

1987-07-30

1989-04-04

Brody, Christopher W.

Metallurgical apparatus

Means treating solid metal

By contact with gas

266254, C21D 906

Patent

active

048179205

ABSTRACT:
Metal strip in coils is heat-treated by impinging jets of a temperature-controlled gaseous medium on the ends of the coils which are positioned with the coil axis horizontal. The medium is recirculated through heat exchangers. A rotating hearth furnace for such heat-treating has an annular hearth which carries coils in intermittent movement through successive stations in which the gaseous medium is directed on the coils.

REFERENCES:
patent: 2613070 (1952-10-01), Verwohlt
patent: 3063878 (1962-11-01), Wilson
patent: 3084081 (1963-04-01), Carpenter
patent: 3109877 (1963-11-01), Wilson
patent: 3114539 (1963-12-01), Wilson et al.
patent: 3846190 (1974-11-01), Raabe et al.
patent: 3948595 (1976-04-01), Raabe et al.
patent: 4406618 (1983-09-01), Maeyama

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