Package making – Closing packages and filled receptacles – By means adapted to engage outturned seam of package cover
Patent
1983-08-16
1985-05-14
Heinz, A. J.
Package making
Closing packages and filled receptacles
By means adapted to engage outturned seam of package cover
493178, 493184, B65B 5700, B65B 1924
Patent
active
045163820
ABSTRACT:
A folding device for imparting a folding habit to the opened top of a carton comprises a frame which is connected to a shaft for moving the frame upwardly and downwardly. A pair of squeezing plates are secured to the frame. The squeezing plates have oppositely tapering lower portions and parallel upper portions. A deforming plate having oblique edges is movable between the upper portions of the squeezing plates and is connected to the frame by a resilient mounting which permits upward relative movement of the deforming plate with respect to the squeezing plates. The lower edge of the deforming plate includes upwardly and outwardly extending edges for spreading opposite edges of a carton. The squeezing plates are used to squeeze opposite sides of the carton together so that the carton top can ultimately be closed.
REFERENCES:
patent: 3314216 (1967-04-01), Fritzwater
patent: 4135439 (1979-01-01), Murrah
Ace Pak Company Incorporated
Heinz A. J.
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