Automatic self-closing valve closure assembly for valve bags
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 3, 2000
Issued Date -
N/A
app pub date -
Nov 12, 1998
filing date -
Sep 5, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention is a valve bag with a valve assembly that provides closure during and after the filling process, thus preventing unwanted spilling and sifting of the valve bag contents through the valve opening during transporting or moving the bag to a location in which the valve is permanently sealed, and methods for making and filling such a bag. An automatic self-closing valve assembly also is provide that requires no subsequent sealing after the filling process.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully