Package making – Closing packages and filled receptacles – Package or receptacle having closure flap – e.g. – carton...
Patent
1985-01-31
1986-03-11
Sipos, John
Package making
Closing packages and filled receptacles
Package or receptacle having closure flap, e.g., carton...
53383, 53387, 118244, 118DIG3, 493132, 493150, 493475, B65B 726, B65B 5102
Patent
active
045745617
ABSTRACT:
The horizontally extending cover side flaps of a plurality of identical filled closed cartons, are glued, down folded, pressed and set by continuously advancing the cartons individually and successively, in untimed relation, between upper and lower carrier belts and along a path through an adhesive applying zone, a flap folding zone and a compression zone. The upper carrier belts are mounted on a sub-frame structure as are the gently curved down fold bars and are raised and lowered relative to the main frame for runs of different height cartons. The glue pots are independently movable vertically and laterally. The compression rolls are resiliently and yieldably mounted to individually and successively press and set the hot melt adhesive without undue pressure which might retard the untimed advance of the cartons.
REFERENCES:
patent: 2097428 (1937-11-01), Bergstein
patent: 2737002 (1956-03-01), Demler
patent: 2764123 (1956-09-01), Derderian
patent: 3267637 (1966-08-01), Baker
patent: 3523398 (1970-08-01), Barnes
patent: 4222483 (1980-09-01), Wootton
Hub Folding Box Co., Inc.
Sipos John
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