Method and adhesive pattern for a reverse fold sift proof carton

Details Method and adhesive pattern for a reverse fold sift proof carton Method and adhesive pattern for a reverse fold sift proof carton

1994-07-11

1996-05-28

Lavinder, Jack W.

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

533765, 533831, 493130, 493183, 493333, B31B 162

Patent

active

055206026

ABSTRACT:
A method and adhesive pattern for reverse folding and sealing a carton that enables the carton to be sift proof, the method including providing a carton having a first open end including first and second inside and outside major flaps and a pair of opposing minor flaps. The minor flaps and outside major flap are initially folded in an open position and the first inside major flap is folded to cover the open end of the carton. Multiple beads of adhesive are then applied with a non-contact application head to selected areas of the first inside major flap, the second outside major flap and both of the minor flaps. The minor flaps are then folded on top of the first inside major flap and the second outside major flap is folded on top of the minor flaps to provide sealing contact between the flaps about the entire periphery of the first open end so that the carton is sift proof.

REFERENCES:
patent: 1974256 (1934-09-01), Bergstein
patent: 2903833 (1959-09-01), Jones
patent: 2970525 (1961-02-01), Klein
patent: 3018701 (1962-01-01), Keely
patent: 3831342 (1974-08-01), Rejsa
patent: 4156398 (1979-05-01), McDaniel
patent: 5024709 (1991-06-01), Faulkner

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