Apparatus for wrapping groups of rolls of products with a...

Details Apparatus for wrapping groups of rolls of products with a... Apparatus for wrapping groups of rolls of products with a...

2006-11-07

2006-11-07

Sipos, John (Department: 3721)

Package making

Closing packages and filled receptacles

Package or receptacle having closure flap, e.g., carton...

C053S232000, C053S377800

Reexamination Certificate

active

07131246

ABSTRACT:
An apparatus for wrapping groups of rolls of products with a sheet of film comprises a station for packaging and moving, with a stepping motion, in a predetermined direction, a succession of groups of products wrapped in a sheet of film, having an open front side defined by two opposite flaps, and means for closing the open side comprising a unit consisting of: two pairs of mobile elements, arranged side by side in said direction, to allow the flaps of film of the two groups of products arranged one after another to be brought together and closed; first movement means for the unit, allowing synchronized movement of the two pairs of elements, respectively, in the same direction as the groups, for one group feed step, bringing together and closing the flaps, and a movement opposite to said direction over a distance equal to the distance previously traveled, simultaneously with a feed step of the groups to be packaged, so as to position the unit at two further and subsequent groups of products to be closed.

REFERENCES:
patent: 3535987 (1970-10-01), Morse et al.
patent: 3763629 (1973-10-01), Carlstrom et al.
patent: 4805375 (1989-02-01), Langen et al.
patent: 6067780 (2000-05-01), Gentili et al.
patent: 6516589 (2003-02-01), Draghetti et al.
patent: 6691492 (2004-02-01), Gamberini
patent: 2003/0230051 (2003-12-01), Tinti

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