Unwrapping apparatus with swing arms and grippers

Details Unwrapping apparatus with swing arms and grippers Unwrapping apparatus with swing arms and grippers

1991-10-03

1992-09-22

Sipos, John

Package making

Means to open or erect receptacle

With cutting means

533811, 53492, B65B 4326

Patent

active

051486512

ABSTRACT:
An unwrapping apparatus for unwrapping a palletized and stretch-wrapped load, the apparatus enables the prevention of the articles from falling off and easy disposal of the used stretchable film. The apparatus comprises first and second upright frames between which a load to be unwrapped is conveyed, the first upright frame including two lower grippers for gripping a lower edge of the stretchable film, and an elevated cutter unit having two pairs of pinch rollers and a heat cutter. The second upright frame includes a carriage having a platen to press the top of the load to be unwrapped and a pair of swing arms symmetrically arranged on either side of the platen and extending toward the first upright frame. Upper grippers are secured to the swing arms, respectively. The stretchable film can be gripped during the cutting and unwrapping of the load to maintain tension and prevent the articles in the load from falling off. In addition, the used stretchable film can be discharged in a compressed, compact form.

REFERENCES:
patent: 4050223 (1977-09-01), Steeg et al.

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