Bag support/spreader for vertical form, fill and seal machines
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United States of America Patent
Stats
-
Oct 8, 1991
Grant Date -
N/A
app pub date -
Mar 15, 1990
filing date -
Mar 15, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a form, fill and seal package or bag making machine having a vertical forming and filling tube and cross-sealing and pull down mechanism below the discharge end of the tube, a mechanism by which the filled bag is supportingly manipulated during cross-sealing to avoid bag contents weight induced stretch stress damage to the thermosealed top edge of the filled bag, and avoiding bag contents weight caused pleats and tucks in the bag body film, and redistributing the filled bag contents to avoid central sagging of the filled bag.
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Family
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Cited Art Landscape
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