Folding and delivery device for double-layered carton sealing ma

Package making – Closing packages and filled receptacles – Package or receptacle having closure flap – e.g. – carton...

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Details

531364, B65B 720

Patent

active

058392548

ABSTRACT:
A sealing and delivery device for double-layered carton sealing machine includes two folding units, two lifting devices, a front swing unit, two side swing units, a rear swing unit, a conventional roller unit, a conventional platform, and a conventional upper and lower sealing device. The folding units protrude in an aperture between a front flap and two side flaps of an outer box moving on the platform, and swing the two side flaps outward. The lifting devices clamp the outer box and lift it up to a preset level. Two flat plates are pushed to contact elastically two sides of an inner box and support the bottom of the outer box to prevent it from falling down. Then the carton is moved forward in that position for the front swing unit, the side swing units, and the rear swing unit to fold the front, the rear and the two side flaps, which are then sealed by the upper and the lower sealing device.

REFERENCES:
patent: 3894380 (1975-07-01), Poulsen
patent: 4218862 (1980-08-01), Marchetti
patent: 4262468 (1981-04-01), Marchetti
patent: 5115625 (1992-05-01), Barbulesco et al.
patent: 5255490 (1993-10-01), Chiu
patent: 5685814 (1997-11-01), Le

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