Method for pleating film

Details Method for pleating film Method for pleating film

1988-09-29

1989-12-19

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

Bending

Folding

493447, B65H 4508, B65H 4520

Patent

active

048879932

ABSTRACT:
Thermoplastic film is fed from a roll and pleated by passing the film across a series of rigid guides. As the film is drawn down across the guides, the film is pleated and then gathered onto a wind up roll. A J-shaped roll rack is preferably pneumatically activated to bring a fresh roll of film into a position for feeding the pleating arrangement.

REFERENCES:
patent: 1293357 (1919-02-01), Danley et al.
patent: 1698665 (1929-01-01), Acton
patent: 1852655 (1932-04-01), Jensen et al.
patent: 1938447 (1933-12-01), Cole
patent: 2873965 (1959-02-01), Mitchell
patent: 3038718 (1962-06-01), Balsam
patent: 4326664 (1982-04-01), Benolt et al.
patent: 4410316 (1983-10-01), Yoke
patent: 4607830 (1986-08-01), Schumann

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