Masking of elongate three dimensional objects for the...

Details Masking of elongate three dimensional objects for the... Masking of elongate three dimensional objects for the...

B - Operations, Transporting

05

D

204/12, 117/64,

B05D 1/32 (2006.01) B05C 17/06 (2006.01) C25D 5/02 (2006.01)

Patent

CA 1165640

Abstract of the Disclosure Surfac? treatment, for example precious metal plating, on preselected areas of elongate three dimensional objects is obtained by applying a masking member, at least to the ends of the objects. The masking member has a shape such that when the objects are inserted into bores in the member, predetermined areas are exposed where the bores open out through the member. A typical shape is a dumb-bell shape, with the central web portion of the same dimension as the bores. Thus the bore break through. The objects, for example terminal pins, are mounted on a support strip in spaced array and a plurality of masking members attached prior to passing through treatment tanks, for example plating tanks. The masking members are then removed.

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