Coating processes – Application to opposite sides of sheet – web – or strip – Roller applicator utilized
Patent
1979-05-29
1981-02-10
Kendall, Ralph S.
Coating processes
Application to opposite sides of sheet, web, or strip
Roller applicator utilized
427320, 427321, 427377, 427428, 118223, 118224, 118227, C23C 102, C23C 108, C23C 116
Patent
active
042502071
ABSTRACT:
A plating chamber holds a reducing or inert atmosphere heated to a temperature suited for plating or galvanizing. A pair of power-driven coating rolls are horizontally disposed in the plating chamber, one roll contacting the top surface of a metal strip to be plated and the other contacting the bottom surface. A molten coating metal is continuously supplied so as to form a uniform film of the metal on the peripheral surface of each coating roll. By means of deflector rolls horizontally disposed in the plating chamber, a metal strip heated to a temperature suited for plating continuously travels through the chamber. A surface of the strip becomes plated on contacting the peripheral surface of the coating roll on which the film of the molten coating metal has been formed. The coating rolls can be drawn away from the surface of the strip by shifting the deflector or coating rolls, so that plating can be applied to one, both or neither side of the strip as desired.
REFERENCES:
patent: 2937108 (1960-05-01), Toye
patent: 3228788 (1966-01-01), Teplitz
patent: 3606861 (1969-06-01), Schaeuble
patent: 4103644 (1978-08-01), Michels
Lowenheim, Modern Electroplating, Third Ed. 1974, John Wiley & Sons, pp. 1, 2.
Hanai Satoshi
Takahashi Hisashi
Yoshida Katsuyoshi
Kendall Ralph S.
Nippon Steel Corporation
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