Package making – Methods – Closing package or filled receptacle
Patent
1993-02-19
1995-01-10
Coan, James F.
Package making
Methods
Closing package or filled receptacle
533765, 533772, B65B 720, B65B 5102
Patent
active
053795733
ABSTRACT:
An end flap sealer for a cartoning machine for performing the step of closing and sealing at least one of the end flaps of each carton travelling along the conveyor of the cartoning machine. The cartoning machine includes a movable closer plow mounted adjacent the conveyor and having a top edge that slopes downwardly toward the approaching cartons on the conveyor of the cartoning machine. The closer plow is attached to a sliding member that is reciprocated to extend the closer plow above the conveyor of the cartoning machine as the carton moves adjacent the closer plow to fold the outermost end flap into a closed position against the other end flaps of the carton. The sliding rod is preferably angled toward the approaching cartons on the conveyor, such that the plow has components of motion both toward and away from entering cartons. The plow can be extended earlier and retracted sooner, providing increased compression duration and increasing cartoning speeds.
REFERENCES:
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patent: 3832822 (1974-09-01), Sherman
patent: 4348853 (1982-09-01), Morse et al.
patent: 4480421 (1984-11-01), Rece
patent: 4592190 (1986-06-01), Sherman et al.
patent: 4713928 (1987-12-01), Tisma
Coan James F.
R. A. Jones & Co. Inc.
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