Positive drive knife folder

Details Positive drive knife folder Positive drive knife folder

1985-07-29

1987-02-17

Coan, James F.

Manufacturing container or tube from paper; or other manufacturi

Bending

Folding

493443, B65H 4518

Patent

active

046437053

ABSTRACT:
An improved knife folder includes a blade adapted to collapse a sheet a predetermined amount in order to allow nip rollers to buckle the sheet into a pair of folding cylinders. In this manner, potential for blade damage to the sheet and a critical set up are eliminated while at the same time insuring positive paper acquisition.

REFERENCES:
patent: 538609 (1895-04-01), Dexter
patent: 1124375 (1915-01-01), Wood
patent: 4419088 (1983-12-01), Nemec
patent: 4508527 (1985-04-01), Uno et al.

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