Semi-hot metallic extrusion-coating method

Details Semi-hot metallic extrusion-coating method Semi-hot metallic extrusion-coating method

1976-07-08

1978-04-04

Kaplan, Morris

Coating processes

With post-treatment of coating or coating material

Solid treating member or material contacts coating

118 65, 118 69, 118405, 164419, 427370, 427374C, 427431, 427432, 427433, B05D 100, B05C 304

Patent

active

040828697

ABSTRACT:
A method and apparatus for use in continuously applying molten coating metal, such as in galvanizing or aluminizing to tubes, rods, wire or other work pieces passing through a metallic bath. The molten metal in a reservoir is discharged onto the tube or rod, the metal flowing around the tube or rod being controlled by a splash tube. The coating metal is progressively agitated and cooled within the splash tube, after which the tubing or rod is accurately centered to exit the splash tube with an even coating of the desired thickness, such coating being in a stable condition. The entire system is enclosed in an inert atmosphere eliminating the formation of "galvanizers' dross", oxides of aluminum, etc.

REFERENCES:
patent: 310994 (1885-01-01), Farmer
patent: 443536 (1890-12-01), Norman
patent: 910674 (1909-01-01), Hancock
patent: 1811505 (1931-06-01), Kennedy
patent: 2216519 (1940-10-01), Quarnstrom
patent: 3285224 (1966-11-01), Reser
patent: 3666537 (1972-05-01), Williams
patent: 3696503 (1972-10-01), Krengel et al.

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