Metal deforming – Process – Deforming sheet metal
Reexamination Certificate
2007-06-19
2007-06-19
Banks, Derris H. (Department: 3725)
Metal deforming
Process
Deforming sheet metal
C072S046000, C072S412000, C264S295000
Reexamination Certificate
active
11148675
ABSTRACT:
A method of fabricating an exterior part of a camera is disclosed. The exterior part has an arcuate recess for finger gripping during photography and an arcuately bent portion. The method of fabricating the exterior part includes laminating a plastic protective layer to a surface of a substantially flat stainless steel sheet. An arcuate recess is then formed in the laminated sheet to create a finger grip area. Next, a peripheral flange is formed along a part of the periphery of the sheet, leaving an end portion of the sheet unflanged. The unflanged end portion is manually bent to form an arcuately curved portion with a preliminary curvature. A press die is used to impart a sharper curvature to the curved surface and to perform flanging on the unflanged end portion so as to extend the existing flange along the periphery of the sheet. The extended flange is then ironed to remove any wrinkle.
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Banks Derris H.
Bonk Teresa M.
Hewlett-Packard Deveopment Company, L.P.
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