Continuous heat treatment furnace

Details Continuous heat treatment furnace Continuous heat treatment furnace

1983-03-15

1985-01-22

Camby, John J.

Heating

Advancing structure flexing, looping or coiling sheet, web...

266102, 266103, F27B 928, C21D 952, C21D 954

Patent

active

044949294

ABSTRACT:
A continuous heat treatment furnace for heat-treating a metal strip by passing the metal strip continuously through the interior of the furnace, comprising a wall of an air-permeable solid having a three-dimensional skeleton structure or net-like laminate structure satisfying the following requirement: ##EQU1## wherein .delta. stands for the thickness (m) of the air-permeable solid wall, a.sub.p the specific surface area (m.sup.2 /m.sup.3) of the air-permeable solid wall, and .epsilon. a porosity of the air-permeable solid wall, is arranged between the confronting surfaces of the strip.

REFERENCES:
patent: 4165964 (1974-08-01), Yonezawa et al.
patent: 4364728 (1982-12-01), Stamp

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