Vertical form-fill-seal method and apparatus
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United States of America Patent
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-
Dec 5, 1989
Grant Date -
N/A
app pub date -
Jun 24, 1988
filing date -
Jun 24, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Method of and apparatus for forming, filling and sealing packages wherein a web of flexible packaging interval is formed into tubing around a mandrel and intermittently fed downwardly in package length increments by intermittently moving portions of continuously driven belts into engagement with the tubing for a predetermined interval.
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Cited Art Landscape
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