Plasma treated hem flange
AssigneeFord Global Technologies, LLC
InventorsLarry P. Haack, Ann Marie Straccia, Kenneth Edward Nietering
Life of this patent
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Abstract
A treated hem flange is disclosed. The treated hem flange includes an outer panel and an inner panel including first and second opposing surfaces terminating at a cut edge. The inner panel is positioned within the outer panel. The treated hem flange also includes an electrocoat applied to the inner panel surfaces and the cut edge to form inner panel coated regions and inner panel exposed regions. The treated hem flange also includes a plasma polymer coat applied to the inner panel exposed regions to form a barrier coating.
Claims21
(canceled)
A treated hem flange comprising:
- an outer panel;
- an inner panel including first and second opposing surfaces terminating at a cut edge, the inner panel positioned within the outer panel;
- an electrocoat applied to the inner panel surfaces and the cut edge to form inner panel coated regions and inner panel exposed regions;
- and
- a plasma polymer coat applied to the inner panel exposed regions to form a barrier coating.
A treated hem flange comprising:
- an outer panel of a first metal;
- an inner panel of a second metal, the inner panel positioned within the outer panel;
- an electrocoat applied to the inner panel surfaces and the cut edge to form inner panel coated and exposed regions;
- and
- a plasma polymer coat applied to the inner panel exposed regions to form an insulative coating to insulate the second metal from the first metal.
A treated hem flange comprising:
- an outer panel;
- an inner panel including first and second opposing surfaces terminating at a cut edge, the inner panel positioned within the outer panel;
- an electrocoat applied to the inner panel surfaces and the cut edge to form inner panel coated regions and inner panel exposed regions;
- and
- a plasma siloxane coat applied to the inner panel exposed regions to form a barrier coating.
Dependencies are inferred from the claim text.