Browse Prior Art Database

Electroplating Rack for Sheet Material

IP.com Disclosure Number: IPCOM000084664D
Original Publication Date: 1975-Dec-01
Included in the Prior Art Database: 2005-Mar-02
Document File: 2 page(s) / 65K

Publishing Venue

IBM

Related People

Franklin, RH: AUTHOR [+3]

Abstract

The drawing shows a rack for holding thin sheet parts that are to be placed into an electrolyte to be electroplated.

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Electroplating Rack for Sheet Material

The drawing shows a rack for holding thin sheet parts that are to be placed into an electrolyte to be electroplated.

The rack is made of a suitable dielectric (polyvinylchloride) and holds two parts 3 and 4 that are to be plated. Part 3 is shown with a frame 5 in place and part 4 is shown with the frame removed. Part 4 has a square shape and has corner holes that fit over screws 6 that are mounted on the body 8 of the rack. Screws 6 make electrical contact between the part to be plated and a copper bus 9 that is located in an open channel in the back surface of the rack, as dashed lines in the drawing indicate.

Two hangers 10 are connected by bolts 11 to the rack body 8 and to the bus
9. Hangers 10 are placed on a horizontally extending conductive frame member (part of the electroplating tank structure that is not shown) to suspend parts 3 and 4 in the electrolyte. An opening 15 in rack body 8 forms a handle for carrying the rack.

The frame 5 is attached to rack body 8 by the screws 6 and nuts 16. Frame 5 has two removable screws 17 to which a wire mesh plating thief 18 is attached. A flexible lead 19 with a connector 20 at one end and an alligator clip 21 at the other end connects thief 18 to have the potential of parts 3 and 4.

Rack body 8 has a channel 21 and V-shaped grooves 22 that face frame 5. The frame has a contrasting set of grooves on its mating surface. These grooves help to prevent trapping the plating solution...