Film folding machine

Details Film folding machine Film folding machine

1975-01-09

1976-04-27

Burr, Edgar S.

Sheet-material associating

Associating or disassociating

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270 79, B65H 4500

Patent

active

039530191

ABSTRACT:
The invention is concerned with a new way of packaging film, e.g. plastics film. The film is packaged as a concertina pack. This is done by combining the effects of gas blowers and movable feet. A fold is started by one set of blowers and completed by an opposed set of feet. The next fold is then started by the opposite set of blowers and its corresponding opposed set of feet, and this sequence is repeated until the pack is completed.

REFERENCES:
patent: 1832556 (1931-11-01), Jensen
patent: 2016539 (1935-10-01), Brenn
patent: 2721371 (1955-10-01), Hodkinson
patent: 2746278 (1956-05-01), Artzt
patent: 3086768 (1963-04-01), Lach
patent: 3123269 (1964-03-01), Morley
patent: 3423083 (1969-01-01), Sherrill
patent: 3707063 (1972-12-01), McIntyre

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