Electrolysis: processes – compositions used therein – and methods – Electrolytic coating – Forming nonmetal coating
Reexamination Certificate
2006-12-05
2006-12-05
LaVilla, Michael E. (Department: 1775)
Electrolysis: processes, compositions used therein, and methods
Electrolytic coating
Forming nonmetal coating
C205S205000, C205S320000, C219S121850, C427S239000
Reexamination Certificate
active
07144492
ABSTRACT:
The application of anti-corrosion base coating by cataphoretic painting (KTL) is well known in manufacturing automobile body parts. However the cataphoretic paint can penetrate only incompletely or possibly not at all into the gap in the contact areas of the components joined to each other. This type of gap is conventionally scaled following cataphoretic painting, in order to ensure corrosion protection for the entire assembly. The present invention makes it possible to dispense with the sealing in the production of an assembly of joined conductive components and nevertheless to ensure a sufficient corrosion protection. By introducing topographic changes in the components projecting from their surface in the known contact areas and then joining these components, they are spaced apart by the projecting topographic changes in such a manner that during cataphoretic painting the paint wets the entire surface of the assembly.
REFERENCES:
patent: 3838495 (1974-10-01), Kuhnert
patent: 44 07 170 (1995-09-01), None
patent: 196 14 328 (1997-10-01), None
patent: 11047967 (1999-02-01), None
patent: WO 99/08829 (1999-02-01), None
Becker Wolfgang
Fuchs Alfred
Goth Klaus
Knoeller Markus
Lindenau Dirk
Akerman & Senterfitt
Daimler-Chrysler AG
LaVilla Michael E.
Pendorf Stephan A.
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