Method and apparatus for finishing molten metallic coatings

Details Method and apparatus for finishing molten metallic coatings Method and apparatus for finishing molten metallic coatings

1976-10-18

1978-03-07

Kendall, Ralph S.

Coating processes

With post-treatment of coating or coating material

Gas jet or blast mechanically treats coating

427431, 427433, 118 63, C23C 100

Patent

active

040781038

ABSTRACT:
A method of finishing a molten metallic coating on metallic strip wherein an elongated subsonic fluid jet, preferably ambient air, is impinged across the molten coating on the upwardly moving strip, the narrow dimension of the jet being increased progressively from the center to each end thereof by contouring the nozzle orifice through which the jet is discharged, adjusting the distance from the nozzle orifice to the strip relative to the narrow dimension of the orifice adjacent the strip edge to satisfy the relation Z.sub.o = .phi.d where

REFERENCES:
patent: 3459587 (1969-08-01), Hunter et al.
patent: 3681118 (1972-08-01), Ohama et al.
patent: 3753418 (1973-08-01), Roncan
patent: 3803033 (1974-04-01), Mayhew
patent: 3841557 (1974-10-01), Atkinson
patent: 3917888 (1975-11-01), Beam et al.

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