Metal deforming – By use of 'flying tool' engaging moving work – Included in plural deforming stations or passes
Patent
1995-12-12
1997-08-19
Larson, Lowell A.
Metal deforming
By use of 'flying tool' engaging moving work
Included in plural deforming stations or passes
140 71R, B21F 4516
Patent
active
056576587
ABSTRACT:
An apparatus which is used to impart a specific configuration to substantially flat elongated strips of deformable wire binding elements for stacks of overlapping perforated sheets or the like has a transporting unit serving to advance binding elements lengthwise in a predetermined direction along an elongated path, a unit which converts strips in a first portion of the path into transversely curved intermediate products having a substantially C-shaped cross-sectional outline and a shape which at least approximates the predetermined configuration, and an altering unit which serves to deform--in a second portion of the path downstream of the first portion--at least those intermediate products the shape of which departs from the predetermined configuration. The altering unit can comprise a unit which serves to stretch at least some of the intermediate products in the predetermined direction and/or a unit which serves to bend at least some of the intermediate products at least substantially transversely of the predetermined direction.
REFERENCES:
patent: 1034060 (1912-07-01), Beeman
patent: 1246145 (1917-11-01), Nelson
patent: 2378058 (1945-06-01), Blumensaadt
patent: 4507948 (1985-04-01), Wallis
patent: 4873858 (1989-10-01), Jones
Larson Lowell A.
Womako Maschinenkonstruktionen GmbH
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