Method for producing a workpiece in the form of a metal...

Details Method for producing a workpiece in the form of a metal... Method for producing a workpiece in the form of a metal...

2008-07-08

2008-07-08

Banks, Derris H. (Department: 3725)

Metal deforming

Process

Deforming sheet metal

C072S214000

Reexamination Certificate

active

11402559

ABSTRACT:
A method for producing a workpiece in the form of a metal sheet with at least one at least partly rolled edge, said at least one edge to be rolled having a length in a longitudinal direction and a curvature in at least one portion along said longitudinal direction, comprises the steps of providing said workpiece, in said at least one portion which has said curvature, with at least one material projection extending in said longitudinal direction of said edge over a part of said length of said at least one edge to be rolled, so that said edge, along said material projection, projects beyond remaining portions of said edge adjoining said material projection transversely to said longitudinal direction of said edge, and subsequently rolling said edge including said material projection.

REFERENCES:
patent: 1555895 (1925-10-01), Weber
patent: 2275220 (1942-03-01), Enkur
patent: 2394019 (1946-02-01), Socke
patent: 3350751 (1967-11-01), Groschke
patent: 403594 (1933-12-01), None

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