Package making – Methods – Forming or partial forming a receptacle and subsequent filling
Patent
1992-08-27
1994-08-30
Culver, Horace M.
Package making
Methods
Forming or partial forming a receptacle and subsequent filling
53469, 53477, 53 64, 53 66, 53570, 533894, B65B 4322, B65B 4116, B65B 4336, B65B 5114
Patent
active
053416252
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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Automated Packaging Systems, Inc.
Culver Horace M.
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