Method of and apparatus for producing corrugated sheet with plan

Details Method of and apparatus for producing corrugated sheet with plan Method of and apparatus for producing corrugated sheet with plan

1994-11-23

1997-05-27

Crane, Daniel C.

Metal deforming

By plural tool-couples

723796, 72385, B21D 1302

Patent

active

056321805

ABSTRACT:
Corrugated sheet is produced by initially forming a corrugation running to the edge of the sheet between a pair of stamping dies or platens, whereupon at least at one end of the corrugation, end pieces with integrated cylinders displace respective rams to flatten the corrugation into the original plane of the workpiece to form plane parallel edge surfaces allowing straight edges of the sheet to be welded to adjacent sheets.

REFERENCES:
patent: 1462475 (1923-07-01), Atkinson
patent: 2753918 (1956-07-01), Bradfield
patent: 4109503 (1978-08-01), Francon
patent: 4819473 (1989-04-01), Jansen
patent: 5333482 (1994-08-01), Dunlap

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