Process and installation for the high-velocity dip-coating of fi

Details Process and installation for the high-velocity dip-coating of fi Process and installation for the high-velocity dip-coating of fi

1981-10-22

1984-02-14

Morganstern, Norman

Coating processes

With pretreatment of the base

Fluxing

427313, 427314, 427319, 427320, 427321, 427329, 427331, 4274345, 4274347, B05D 118, B05D 304, C23C 100, C23C 112

Patent

active

044316887

ABSTRACT:
In a case where filament-like articles (e.g. wires) are dip-coated by upwardly passing the article into a bath of molten metal through the bottom and top vertical openings of a spout containing the molten metal, the article to be coated is wrapped, before it enters the bottom inlet opening in the spout, with a blanket of protective gas at a pressure sufficient to cause the gas to penetrate into the spout simultaneously with the article, to progressively and regularly circulate around the molten metal and to steadily emerge from the upper opening of the spout still effectively shielding the freshly coated article.

REFERENCES:
patent: 1454224 (1923-05-01), Schmidt
patent: 2382868 (1945-08-01), Fink
patent: 2497119 (1950-02-01), Fink
patent: 2914423 (1959-11-01), Knapp
patent: 3018190 (1962-01-01), Knapp
patent: 3060054 (1962-10-01), Russell et al.
patent: 4155235 (1979-05-01), Pierson et al.
patent: 4169426 (1979-10-01), Kornmann et al.

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