Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1977-12-05
1979-07-03
Williams, Howard S.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204271, 204275, 204292, 204294, C25D 1714, C25D 1700
Patent
active
041599349
ABSTRACT:
A selective plating brush applicator for selectively plating a workpiece. The plating brush consists of an electrically conducting core having a holding means attached to one end of the core for holding the plating brush. A plating current application means is attached to the core for applying a plating current to the core. A brush head is attached to the other end of the core for applying a selective plating solution to the workpiece. The brush head is comprised of anodic electrically conducting flexible fibers and electrically non-conducting flexible fibers which are in liquid communication with each other. The conducting fibers are conductively attached to the core. The conducting and non-conducting fibers are positioned in the brush head in such a manner that when the plating brush is used to apply the plating solution to the workpiece the conducting fibers do not come in contact with the workpiece. The plating brush also has a plating solution supply means for supplying the plating solution to the brush head. When the brush head is placed in contact with the workpiece, plating current applied to the conducting core and workpiece, and plating solution supplied to the brush head, the workpiece is selectively plated.
REFERENCES:
patent: 1545942 (1925-07-01), Conlin
patent: 1866699 (1932-07-01), Conlin
patent: 1908222 (1933-05-01), Conlin
patent: 2061591 (1936-11-01), Rapids
patent: 3619382 (1971-11-01), Lupinski
Johnston Lamont
Valentine D. R.
Williams Howard S.
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