Method for degreasing a cold rolled metallic band

Details Method for degreasing a cold rolled metallic band Method for degreasing a cold rolled metallic band

1987-05-08

1989-06-20

Corbin, Arthur L.

Cleaning and liquid contact with solids

Processes

Oils, grease, tar, or wax removal, by dissolving

134 19, 148 203, B08B 500, C23G 500

Patent

active

048406805

ABSTRACT:
A method of degreasing a cold rolled metallic band, through the chemical effect of an atmosphere of a determined composition, according to which the heating and degreasing actions are separated, wherein the heating is carried out in an enclosure provided with means for applying heat by radiation, and the degreasing is obtained by the chemical effect of said atmosphere in the heating enclosure, said method being characterized in that said atmosphere is made of a mixture of nitrogen and hydrogen enriched with steam injected in the degreasing section of said enclosure.

REFERENCES:
patent: 2189836 (1940-02-01), Sehon
patent: 2506364 (1950-05-01), Jarvie et al.
patent: 3061485 (1962-10-01), Robinson
patent: 3627289 (1971-12-01), Erman

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