Method and coloration of parts taken among parts made of zinc, c

Details Method and coloration of parts taken among parts made of zinc, c Method and coloration of parts taken among parts made of zinc, c

1988-05-25

1990-07-24

Silverberg, Sam

Coating processes

With pretreatment of the base

Etching, swelling, or dissolving out part of the base

156664, 8522, 148274, B05D 304

Patent

active

049434535

ABSTRACT:
The part is subjected to action of an acid aqueous bath in order to cause the surface of the part to be porous over a thickness which is a fraction of the thickness of the zinc which it includes, and the part is caused to adsorb at least one sealing material.

REFERENCES:
patent: 4200475 (1980-04-01), Kassbarg
patent: 4238250 (1980-12-01), Kassbarg
Metal Finishing Journal, "Bright Zinc as a Decorative and Industrial Finish-Part 2", M. E. Roper, Sep. 1968, pp. 286-294.
Rev. Prog. Coloration, "The Coloration of Metals", C. Barnes, 1984, vol. 14, pp. 127-131.
Institute of Metal Finishing, Annual Tech. Conference, "The Outdoor Performance of Chromium Plate Direct on Zinc", Barnes, Ward and Carter, May 1981, pp. 154-175.

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