Process for controlling zinc vapor in a finishing process for a

Details Process for controlling zinc vapor in a finishing process for a Process for controlling zinc vapor in a finishing process for a

1984-07-30

1985-12-10

Silverberg, Sam

Coating processes

Immersion or partial immersion

Molten metal or fused salt bath

B05D 118

Patent

active

045579520

ABSTRACT:
A process for controlling zinc vapor in a finishing process for a hot dip zinc based coating on a ferrous base metal strip in which the strip emerges from the coating bath into an enclosed chamber, by injecting high dew point gas into the chamber. The process is applicable on both a one side and two side coating process. Preferably the atmosphere has about 1-3% water vapor, by volume, for both one-sided and two-sided process.

REFERENCES:
patent: 4053663 (1977-10-01), Caldwell
patent: 4183983 (1980-01-01), Cook
patent: 4330574 (1982-05-01), Pierson
patent: 4369211 (1983-01-01), Nitto
patent: 4444814 (1984-03-01), Flinchum
Heurtey-English Abstract Of Belgian Pat. No. 887,940 filed 3/14/80.

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