Bell-type coil annealing furnace inner cover

Details Bell-type coil annealing furnace inner cover Bell-type coil annealing furnace inner cover

1980-02-11

1981-07-14

Camby, John J.

Metallurgical apparatus

Means treating solid metal

Fluid tight heat transferring box shield or hood

4322541, C21D 112, C21D 900

Patent

active

042782422

ABSTRACT:
An inner cover for a bell-type annealing or thermal processing furnace having a thin walled cylindrical body formed from textured heat resistant stainless steel and/or nickle chrome alloy closed at its upper end and having one or more outwardly flared conical sections at its other or lower end and terminating in a radial flange surrounded by a steel ring connected thereto.

REFERENCES:
patent: 1180095 (1916-04-01), Wilson
patent: 2075114 (1937-03-01), Hunter et al.
patent: 2233580 (1941-03-01), Breedon et al.
patent: 2360633 (1944-10-01), Allen et al.
patent: 2529609 (1950-11-01), Jacob
patent: 3166305 (1965-01-01), Troglione et al.

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