B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
271/23
B65H 45/00 (2006.01) B65H 45/12 (2006.01) B65H 45/20 (2006.01) G09B 29/04 (2006.01)
Patent
CA 1231733
ABSTRACT OF THE DISCLOSURE A process and a device for folding a sheet longitu- dinally and transversely, in which the lower folds and the upper folds of a plurality of pairs of longitudinal folds of a Leporello fold are formed in sequence by fold straight edges that are movable towards each other, the front edges of the fold straight edges being moved along an arcuate path to the sheet in order that there is contact between them and the sheet only at the end of said movement. The longitudinally folded sheet is then laid on the parallel contact edges of the transverse fold plates that are arranged at intervals adjacent to each other, and pressed together therebetween, the areas between the transverse fold plates being pressed downwards by pressure elements which are moved upwards and out once again prior to the completion of the movement of the transverse fold plates towards each other. Thus it is pos- silbe to form all the transverse folds in one stage of the process.
455311
Mairs Geographischer Verlag Kurt Mair Gmbh & Co. Kg
Marks & Clerk
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