Device for folding the lids of rigid packets in machines for...

Details Device for folding the lids of rigid packets in machines for... Device for folding the lids of rigid packets in machines for...

2005-07-29

2008-11-25

Durand, Paul R (Department: 3721)

Package making

Closing packages and filled receptacles

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

C053S456000, C053S376300, C493S164000

Reexamination Certificate

active

07454879

ABSTRACT:
In a machine for making rigid hinge-lid packets, the lid of each packet is folded by a device (9) equipped with a plurality of pockets (2) occupied by respective single packets (P), each presenting a set of end folds (20) that will be bent inwards to form the lid (15), also, a belt conveyor (3) by which the pockets (2) are directed along a predetermined folding path (3b) between an infeed point (10) and an outfeed point (11), a pulley (4) centred on a vertical axis (X) of rotation, and a folder unit (12) mounted to the rotating pulley (4), interacting with a top part (13) of each pocket (2) in such a manner as to engage and bend the end folds (20) of the packet (P). The folding path (3b) coincides with a branch of the belt conveyor (3) looped around the pulley (4).

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patent: 0972706 (2000-01-01), None
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patent: 1493667 (2005-01-01), None

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