Metal deforming – By deflecting successively-presented portions of work during... – By use of deflector arranged to bend work transversely of...
Patent
1989-07-13
1990-08-14
Combs, E. Michael
Metal deforming
By deflecting successively-presented portions of work during...
By use of deflector arranged to bend work transversely of...
72 52, B21D 508, B21D 512
Patent
active
049476718
ABSTRACT:
The present invention relates to a device for manufacturing conical poles or conical pole members by roll forming sheet metal wherein said device (1) includes a conveyor path (5) along which sheet metal is transported, and a plurality of groups (10) of forming rolls (11, 12) positioned in succession along the conveyor path (5). In order to facilitate the roll forming and eliminate the risk of bending the sheet metal during the roll forming, the forming rolls (11, 12) in at least one of the groups (10) thereof are mounted on frame members (13) which are pivotable about vertical axes (26) such that the forming rolls (11, 12) can be set to run at angles (.alpha. or .beta.) relative to the center line (6) of the conveyor path (5) necessary to achieve a desired conical form of the finished pole or pole member or portions thereof.
REFERENCES:
patent: 3234704 (1962-03-01), Burgess et al.
patent: 3602029 (1971-08-01), Burke
patent: 3903723 (1975-09-01), Colbath
patent: 4487046 (1984-12-01), Abbey
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