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Title:
PIECE FINISHED WITH A COATING OF ZINC AND APPLIED ELECTROPHORETIC DIP VARNISH AND METHOD FOR THE PRODUCTION THEREOF
Document Type and Number:
WIPO Patent Application WO2002052065
Kind Code:
A3
Abstract:
The invention relates to a coated piece which is protected against corrosion and is formed as follows, from the inside to the outside: a) a layer containing zinc, b) optionally a passivation layer, c) a layer of adhesive agent consisting of a cross-linking material which can be baked and has such a thickness and porosity that it does not electrically isolate the layer containing zinc, and d) an outer, electrophoretically applied organic layer. The invention also relates to a method for producing one such piece.

Inventors:
SCHULZE-KADELBACH ROLAND (DE)
KRUSE THOMAS (DE)
GRUEN MARTIN (DE)
Application Number:
EP0114975W
Publication Date:
December 05, 2002
Filing Date:
December 18, 2001
Export Citation:
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Assignee:
EWALD DOERKEN AG
SCHULZE-KADELBACH, ROLAND
KRUSE, THOMAS
GRUEN, MARTIN
International Classes:
C23C28/00; C25D13/12; (IPC1-7): C23C28/00; C25D13/06
Domestic Patent References:
WO1999061532A11999-12-02
Foreign References:
GB2129807A1984-05-23
US4659394A1987-04-21
EP0390348A21990-10-03
US4115227A1978-09-19
EP0611810A21994-08-24
US5102746A1992-04-07
EP0390122A11990-10-03
EP0463794A11992-01-02
US4882090A1989-11-21
EP0385448A11990-09-05
US4840715A1989-06-20
US3288746A1966-11-29
Other References:
DATABASE WPI Section Ch Week 199649, Derwent World Patents Index; Class A21, AN 1996-492682, XP002203349
DATABASE WPI Section Ch Week 199649, Derwent World Patents Index; Class A21, AN 1996-492681, XP002203350
DATABASE WPI Section Ch Week 199619, Derwent World Patents Index; Class A82, AN 1996-185339, XP002203351
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 09 30 September 1996 (1996-09-30)
DATABASE WPI Section Ch Week 199649, Derwent World Patents Index; Class A25, AN 1996-492683, XP002203352
PATENT ABSTRACTS OF JAPAN vol. 017, no. 367 (C - 1082) 12 July 1993 (1993-07-12)
DATABASE WPI Section Ch Week 199012, Derwent World Patents Index; Class A14, AN 1990-087759, XP002203353
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