Carton assembling method and equipment

Details Carton assembling method and equipment Carton assembling method and equipment

1988-04-27

1991-01-08

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

Container or tube erecting, opening, or collapsing

By direct application of vacuum or fluid pressure

493311, 493310, 493318, 493319, 493408, B31B 180

Patent

active

049831542

ABSTRACT:
Disclosed are carton assembling method and equipment for sucking and taking out flatwise folded cartons one by one from a magazine by means of suction cups, unfolding each carton squarely on a conveyance path while transferring it downward along a rotative path, and supplying the thus-unfolded cartons to an encasing machine by means of a conveyance mechanism. Each carton is held squarely by a pair of stoppers, utilizing its reaction force acting in the returning direction. Thereafter, the carton is reverse-folded against such reaction force and then unfolded again to remove the folding tendency of the carton acting in the folded direction, thereby permitting the carton to hold itself in a square shape. And at the time of reverse folding, the flaps of each carton are expanded so that a contents charging conveyor can be disposed in close proximity to the cartons.

REFERENCES:
patent: 2699712 (1955-06-01), Meyer-Jagenberg
patent: 2726584 (1955-12-01), Griswold
patent: 2915308 (1959-12-01), Matzen
patent: 3534667 (1970-10-01), Krause
patent: 4057008 (1977-11-01), Hughes
patent: 4518301 (1985-05-01), Greenwell
patent: 4578054 (1986-03-01), Herrin

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