Manufacturing container or tube from paper; or other manufacturi – Bending – Folding
Patent
1993-09-22
1994-09-06
Lavinder, Jack
Manufacturing container or tube from paper; or other manufacturi
Bending
Folding
493416, 493419, 493423, B65H 4514
Patent
active
053443799
ABSTRACT:
A machine for folding sheets of paper, particularly for folding large sheets leaving a printer or copier, including first, second and third flexible entrainment means for entraining a sheet to be folded and defining first and second fold channels and actuable alternately in opposite senses to supply a sheet to be folded to the first and to the second folding channel alternately so as to achieve a fold each time the sheet passes from one to the other of the folding channels.
REFERENCES:
patent: 2699331 (1955-01-01), McGarvey
patent: 3416785 (1968-12-01), Sherman
patent: 4225128 (1980-09-01), Holyoke
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