Bag manufacturing apparatus

Details Bag manufacturing apparatus Bag manufacturing apparatus

1987-02-03

1988-12-13

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493243, 493386, 493424, 493426, 493432, B31B 3386, B65H 4516

Patent

active

047908041

ABSTRACT:
A lapel provided at the one end of a paper sheet to forming a paper bag is introduced into the interior of an opening on the rotary cylinder by means. The folding blade has a rotational axis located outside the rotary cylinder parallel to an axis of rotation of the rotary cylinder. The thus bent lapel is brought in pressure contact with the edge face of the opening by means of a holding pawl which turns in operative association with the rotary cylinder. Thereafter, the lapel is covered and depressed by means of a depressing pawl which turns in operative association with the rotary cylinder whereby the lapel and a part of the paper sheet are adhesively secured to one another to build a double-walled structure around the opening of the paper bag.

REFERENCES:
patent: 458008 (1891-08-01), Winship
patent: 2775171 (1956-12-01), Steen et al.
patent: 2950105 (1960-08-01), Berry
patent: 3590696 (1971-07-01), Reissner et al.
patent: 3613523 (1971-10-01), Wesselmann
patent: 3818811 (1974-06-01), Kleinhaut

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