Package making – With means responsive to a sensed condition – Of receptacle or cover feed or adjunct feed or application
Patent
1993-09-28
1995-07-04
Coan, James F.
Package making
With means responsive to a sensed condition
Of receptacle or cover feed or adjunct feed or application
533893, 53553, B65B 902
Patent
active
054289378
ABSTRACT:
A machine for packaging newspapers comprises a conveyor which transports a newspaper through an entrance into the machine. The newspaper imparts a tension on both a top sheet, deployed from a first roll, and a bottom sheet, deployed from a second roll. A top and bottom dance bar communicates with the top and bottom sheet, respectively. In response to the tension, each dance bar simultaneously releases a brake and activates an electric motor, causing the first and second rolls to rotate and feed out the top and bottom sheet, respectively. The top and bottom sheet is guided over the top and bottom surface of the newspaper by a pair of first and second edge guides, respectively, for preventing lateral movement of the top and bottom sheets. A cutting and sealing mechanism comprising a front sealing bar is placed into contact with the top and bottom sheets near the rear edge of the newspaper for simultaneously sealing together and cutting the top and bottom sheets. The front sealing bar comprises a heated metal body having a cutting blade protruding from a sealing edge.
REFERENCES:
patent: 3559367 (1971-02-01), Misik
patent: 3792561 (1974-02-01), Carnes
patent: 3866389 (1975-02-01), Elsner et al.
patent: 4313288 (1982-02-01), Tassi et al.
patent: 4319443 (1982-03-01), Watts, Jr.
patent: 4991376 (1991-02-01), Backman
Belco Packaging Systems, Inc.
Coan James F.
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