Engraved surface and method

Details Engraved surface and method Engraved surface and method

2007-10-23

2007-10-23

Zimmerman, John J. (Department: 1775)

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

C428S201000, C428S203000, C428S209000, C428S626000, C428S935000

Reexamination Certificate

active

10461727

ABSTRACT:
An engraved surface in a metallic workpiece and an engraving method therefor, for use in providing a decorative metallic surface. An engraved pattern is formed in a workpiece prior to the formation of an electroplated layer that continuously extends over the engraved pattern and adjacent surface areas of the workpiece. The engraved pattern includes wall-cut engravings inscribed in the workpiece that are used to define outer boundaries of the engraved pattern. The substantially vertical walls obtained by such wall-cut engravings permits a sharp, well-defined boundary between the engraved pattern and adjacent painted surfaces. A mask material is first applied to cover the engraved pattern, and then trimmed to create the sharp edge at the boundary of the engraved pattern. This permits a paint layer to be formed immediately adjacent to the engraved pattern, providing a decorative juxtaposition in an electroplated metallic surface after removal of the mask layer.

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