METHOD FOR COATING METAL WORKPIECES WITH WATER SOLUBLE OR COLLOIDAL COLORING MATTER EMULSIFIED IN WATER
A method is provided for coating metal workpieces with coloring material in a continuous process, by being interconnected to form an anode and are advanced sequentially through a solution of coloring matter in a continuous procedure. The coloring material is contained in a vessel forming a cathode a...
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Sprache: | eng |
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Zusammenfassung: | A method is provided for coating metal workpieces with coloring material in a continuous process, by being interconnected to form an anode and are advanced sequentially through a solution of coloring matter in a continuous procedure. The coloring material is contained in a vessel forming a cathode and a coulomb meter integrator-regulating means senses, a time and a current quantum impulse; a valve being provided for controlling the flow of coloring material from a supply to the vessel cathode and being actuated by the aforesaid regulator means. |
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