Electro-dipcoating apparatus

Details Electro-dipcoating apparatus Electro-dipcoating apparatus

2011-01-04

2011-01-04

Mayekar, Kishor (Department: 1795)

Chemistry: electrical and wave energy

Apparatus

Electrophoretic or electro-osmotic apparatus

Reexamination Certificate

active

07862701

ABSTRACT:
An electro-dipcoating apparatus is described in which, in conventional manner, a work-piece to be lacquered is dipped into a lacquer bath, moved through the latter, and lifted out again in a continuous process. Along the path of motion of the work-piece in the lacquer bath there are arranged electrodes which are connected to a first pole of at least one voltage source. Several contact rails extend parallel to one another without electrical interruption along the entire path of motion of the work-piece leading through the lacquer bath and are each connected to the second pole of varying voltage sources. To each work-piece a contact device is assigned which can be brought into communication with a respective one of the several contact rails and in this way applies the potential of the second pole of the corresponding voltage source to the work-piece. In this way, cuts in the contact rails are avoided that would result in wear of the contact devices and in increased control effort.

REFERENCES:
patent: 5223116 (1993-06-01), Hosten
patent: 5494561 (1996-02-01), Darche et al.
patent: 2008/0271993 (2008-11-01), Noller
patent: 1 970 438 (1967-10-01), None
patent: 200 00 970 (2000-04-01), None
patent: 199 42 556 (2001-03-01), None

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