Sheet folding apparatus with vacuum grip

Details Sheet folding apparatus with vacuum grip Sheet folding apparatus with vacuum grip

1997-07-01

1998-12-01

Sipos, John

Manufacturing container or tube from paper; or other manufacturi

Bending

Folding

493417, 493418, 493424, 493436, B65H 4522

Patent

active

058429646

ABSTRACT:
A sequentially timed vacuum grip system holds a sheet and transports it through a folding nip defined by a pair of folding cylinders. At the nip, the folded edge of the sheet is released and simultaneously picked-up by the paired companion cylinder. Additional folds are achieved in the same manner by the use of additional cylinder pairs.

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