Coating processes – Applying superposed diverse coating or coating a coated base – Metal coating
Reexamination Certificate
2005-04-05
2005-04-05
Wong, Edna (Department: 1753)
Coating processes
Applying superposed diverse coating or coating a coated base
Metal coating
C204S484000, C204S486000, C204S487000, C204S488000, C205S164000, C205S166000, C205S167000, C205S168000, C205S169000, C205S196000
Reexamination Certificate
active
06875471
ABSTRACT:
The quality of painted surfaces of polymeric articles is improved by depositing a coating of a metal such as zinc or zinc alloy on the surface of the article to be painted. For example, zinc is electrodeposited on a conductive surface of the article. The metal coated polymeric surface provides a good base for electrostatic deposition of either liquid or powder paint and the metal surface prevents the formation of defects in the painted surface during heating of the article to dry or cure the paint film.
REFERENCES:
patent: 3955017 (1976-05-01), Colebourne et al.
patent: 4039714 (1977-08-01), Roubal et al.
patent: 20030201186 (2003-10-01), Lee et al.
Lee Hsai-Yin
Wang Yar-Ming
Xie Tao
General Motors Corporation
Marra Kathryn A.
Wong Edna
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