Self-closing sealable valve bag
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United States of America Patent
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Sep 15, 1998
Issued Date -
N/A
app pub date -
May 10, 1996
filing date -
May 10, 1994
priority date (Note) -
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Abstract
A valve bag is provided having a self-closing feature to preclude sifting losses after filling, but before the bag is fully sealed, while enabling the facilitated final secure closure of the bag.
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