Mini case erector

Details Mini case erector Mini case erector

1993-07-08

1995-02-28

Terrell, William E.

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

493117, 493316, 493317, B31B 580, B31B 572, B31B 378

Patent

active

053932919

ABSTRACT:
An apparatus for erecting cases from flat blanks (20'). The apparatus includes a frame (42), a hopper (48), a vacuum arm (68), minor flap folders (80), major flap folders (90, 108), a case pusher bar (98), and a tape applicator (112). The frame includes a deck (54). The hopper is attached to the frame at an input end (144) of the frame. It includes guide members (58) to receive a stack of the flat blanks. The vacuum arm is attached near a feed end (124) of the hopper. The arm has vacuum suction cups (70) to pull the flat cases from the hopper into a tubular configuration against the deck. The trailing and leading minor flap folders are arranged and configured to fold the trailing and leading minor flaps, respectively, of a case after it has been pulled from the hopper. The top major flap folder is positioned above the deck near the feed end of the hopper. It folds the top major flap after a case has been pulled from the hopper. The bottom major flap folder is disposed beneath the deck. It is arranged and configured to rise partially above the deck to fold the bottom major flap. The case pusher bar advances a case out of the output end (46) of the frame. The tape applicator is disposed above the deck adjacent to the bottom major flap folder. It applies a strip of pressure sensitive tape (114) across the major flaps before the case is ejected.

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