Process for one-side hot-dip coating

Details Process for one-side hot-dip coating Process for one-side hot-dip coating

1979-01-30

1981-03-03

Kendall, Ralph S.

Coating processes

Measuring, testing, or indicating

427431, 427422, 427433, 427432, 4274343, 118410, C23C 102, C23C 108, C23C 700

Patent

active

042541581

ABSTRACT:
The invention discloses a process for one-sided, hot-dip coating which includes guiding and causing a metal sheet to be coated to travel over a molten metal bath by means of a pair of guide rolls disposed above the bath; sucking a hot-dip coating metal inside the molten metal bath by an electromagnetic pump disposed outside the bath and jetting the hot-dip coating metal through the molten metal bath from a nozzle protruding beyond the surface of the bath between the pair of guide rolls; and bringing the hot-dip coating metal thus jetted into contact with the lower surface of the metal sheet over its entire range in its transverse direction while the metal sheet is travelling, thereby forming a coating layer of the hot-dip coating metal on the lower surface of the metal sheet.

REFERENCES:
patent: 2683099 (1954-07-01), Hahn
patent: 2937108 (1960-05-01), Toye
patent: 3058441 (1962-10-01), Walker et al.
patent: 4069358 (1978-01-01), Winter et al.
patent: 4103644 (1978-08-01), Michels

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