Package making – Methods – Closing package or filled receptacle
Patent
1994-05-12
1996-11-05
Culver, Horace M.
Package making
Methods
Closing package or filled receptacle
53 75, 53 77, 533737, 533749, 156358, 156359, B65B 5114, B65B 706, B65B 5700
Patent
active
055705685
ABSTRACT:
A packaging machine and method for simultaneously loading, sealing and severing bags. A first stepper motor, having an output, is coupled to a nip roll assembly. After a bag is loaded, a sealing mechanism is actuated to seal the loaded bag or bags. A sensor monitors movement in a pressure bar and terminates the sealing cycle if a jam is detected before the pressure bar engages a seal bar having a heater for sealing the bag. The stepper motor is used to retract bags and sever a leadmost bag that is clamped between the seal bar by the pressure bar. A second stepper motor withdraws the web from a supply at a controlled rate to maintain tension in the web between the first and second stepper motors. A dancer roll assembly includes an orientation sensor for controlling the second stepper motor to speed up, slow down or stop.
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patent: 5051148 (1991-09-01), Resch
patent: 5094061 (1992-03-01), Evers
patent: 5147491 (1992-09-01), Thomas et al.
patent: 5154037 (1992-10-01), Focke
patent: 5289671 (1994-03-01), Lerner et al.
patent: 5322586 (1994-06-01), McLean
Automated Packaging Systems, Inc.
Culver Horace M.
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