Method and device for forming a corner bounded on...

Details Method and device for forming a corner bounded on... Method and device for forming a corner bounded on...

2005-05-24

2005-05-24

Larson, Lowell A. (Department: 3725)

Metal deforming

With cutting

By shearing tool-couple

Reexamination Certificate

active

06895796

ABSTRACT:
The invention relates to a method and a device for forming a corner bounded on three sides from a flat plate part, in particular sheet metal, whereby the side edges adjacent to the corner are folded back across a major part of their longitudinal extension parallel with the flat plate part and shaped on a curved path in the region in which the corner is to be formed from the folded-back side edge to the plane of the flat plate part. The pre-formed blank is then pressed at the curved transition region by means of at least one roller system (42), spanning the corner region (10) between the side edges, against a tool (16) and the corner shaped by forming the material and optionally trimmed in a cutting device.

REFERENCES:
patent: 45226 (1864-11-01), Chambers
patent: 48516 (1865-07-01), Chambers
patent: 5701776 (1997-12-01), Cowan et al.
patent: 5943899 (1999-08-01), Jung
patent: 6047585 (2000-04-01), Haslinger
patent: 40 09 466 (1991-09-01), None
patent: 195 32 963 (1997-03-01), None
patent: 196 14 517 (1997-10-01), None
patent: 07 204752 (1995-08-01), None
patent: 10 193010 (1998-07-01), None

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