B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
153/41, 113/72
B21D 11/20 (2006.01)
Patent
CA 1317158
ABSTRACT The invention relates to a method and apparatus for fold- ing corrugated sheet transversely of the corrugations. In accordance with the method, the valleys of the sheet cor- rugations are held clamped against a die in an edging press or like device by means of a particularly configured pressfoot , whereafter a fold line or weakening is pressed in the form of an indent in the corrugation crests by means of a bar . The fold line or weakening enables the sheet to be subsequently bent readily to a desired angle over the edge of a bench or over some like support surface.
587112
Beco Produktutveckling
Marks & Clerk
LandOfFree
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