Device for straightening and closing the front flap for a...

Details Device for straightening and closing the front flap for a... Device for straightening and closing the front flap for a...

2005-04-19

2005-04-19

Huynh, Louis (Department: 3721)

Package making

Closing packages and filled receptacles

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

C053S075000, C053S376300, C053S376400, C493S183000

Reexamination Certificate

active

06880309

ABSTRACT:
A self-dimensioning machine for closing upper flaps of parallelepiped boxes including a base with support surface for the boxes, a couple of drive belts placed at the two sides of the support surface for engagement with the sides of the boxes, a device for detecting the position and horizontal dimensions of the boxes for controlling the movement of the drive belts, a rod pivoted on a head above the support surface descending from a rest position to engage, straighten and partially close the front flaps of the boxes, a vertically mobile touching group for detecting the height of the boxes and successively to the head in the advancement direction of the boxes, a central longitudinal guide carried by the touching group and positioning itself in a horizontal position above the support surface at a height corresponding to the height of the boxes for completing the closing of the front flap.

REFERENCES:
patent: 3977162 (1976-08-01), Marchetti
patent: 4218862 (1980-08-01), Marchetti
patent: 4422282 (1983-12-01), Marchetti
patent: 4642966 (1987-02-01), Marchetti
patent: 4722165 (1988-02-01), Marchetti
patent: 4955177 (1990-09-01), Lerner et al.
patent: 4972654 (1990-11-01), Marchetti
patent: 5839254 (1998-11-01), Chen
patent: 5916106 (1999-06-01), Chen

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