Formation, maintenance and tensioning of a tying loop

Details Formation, maintenance and tensioning of a tying loop Formation, maintenance and tensioning of a tying loop

1991-05-03

1992-12-08

Sipos, John

Package making

Methods

Applying a partial cover

533892, 53589, 100 25, B65B 1306

Patent

active

051686864

ABSTRACT:
A tying machine for packaging articles in stack form comprises a band guide (12) limiting the extension of the loop and having a sliding surface (16). During the advance and after the end position has been reached, a winding band (18) is maintained by pneumatic means in a loop form determined essentially by the sliding surface (16), during the band pull-back is drawn out of the band guide (12) without the movement of any mechanical parts and is laid round the packaging articles.
The band guide (12) with the sliding surface (16) and lateral guides (36, 38) for maintaining the winding band (18) in a loop form has exclusively pneumatic means.

REFERENCES:
patent: 2913270 (1959-11-01), Sachsenroder
patent: 3020827 (1962-02-01), Luthi
patent: 3380223 (1968-04-01), Jasper
patent: 3385026 (1968-05-01), Schmermund
patent: 3831512 (1974-08-01), Johnson
patent: 4388794 (1983-06-01), Focke

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