Apparatus for the wrapping of palletized product groups with pla

Details Apparatus for the wrapping of palletized product groups with pla Apparatus for the wrapping of palletized product groups with pla

1996-05-06

1998-06-23

Johnson, Linda

Package making

Apparatus for contraction of cover by stretching or shrinking

53588, B65B 5300

Patent

active

057688621

ABSTRACT:
The apparatus for the wrapping of palletized product groups with a film or band of plastic includes a framework with two vertical support uprights on a support structure of a carriage supporting a reel of plastic film and a pre-stretching unit driven by an electric motor and envisages that the support structure consists of a vertically moving structure supported by the support framework and by a rotating ring supported by the vertically moving structure and rotating around its own axis driven by a motor anchored to the vertically moving structure and connected to it; the carriage is fixed to the rotating ring and supports an electric generator for powering the electric motor of the pre-stretching unit and maintained with its own shaft continuously linked to a respective annular toothed track fixed to the vertically moving structure.

REFERENCES:
patent: 4829753 (1989-05-01), Bricmont
patent: 4905448 (1990-03-01), Plitt
patent: 5390476 (1995-02-01), Morantz

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