Method and apparatus for settling product in a servo-controlled continuous pull system
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United States of America Patent
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Oct 15, 2002
Issued Date -
N/A
app pub date -
May 3, 2000
filing date -
Sep 30, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for settling product in a servo-controlled vertical form, fill and seal machine where the product, when inserted into a partially-formed tubular bag, normally does not adequately settle without further action by the machine. The invention utilizes motion control of a servo motor to provide a settling action for product inside the partially-formed bag to introduce instability to cause settling in the bag at a very high frequency during continuous motion of the film and the film tube.
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