
US Patent No: 6,101,685
Number of patents in Portfolio can not be more than 2000
Container for storing fine particles
Stats
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Aug 15, 2000
Issued date -
Oct 19, 1998
filing date -
09/174,650
serial no -
In Force
status
Importance
Abstract
The present invention is a container for storing fine particles such as bakery flour in a sealed packaging, wherein air in the container such as entrapped during filling can be expelled through compression without loss of the fine particles. The container comprises a main body forming a pouch, terminating in a principal opening, fabricated from an imperforate flexible material such as clear plastic film, a sealing mechanism attached to the pouch for sealing the pouch, and a multiplicity of microscopic pores extending through the flexible material having a dimension ranging from 10 to 150 .mu.m) sufficient to permit air to exit through the exit port, but to prevent the fine particles from escaping through the pores.
First Claim
Related Publications
International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 5,158,499 Laser scoring of packaging substrates | 40 | 1991 | |
| 5,630,308 Laser scoring of packaging substrates | 51 | 1994 | |
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| 5,669,715 Tamper-evident reclosable plastic bag with slider | 168 | 1996 | |
| 5,911,508 Vented reclosable bag | 88 | 1997 | |
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| 5,171,950 Flexible pouch and paper bag combination for use in the microwave popping of popcorn | 29 | 1989 | |
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| 5,314,702 Vented dough can | 12 | 1992 | |
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| 5,121,997 Perforated tear strip for easy-open flexible containers | 78 | 1991 | |
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| 5,829,884 Form fill and seal package with one-way vent | 65 | 1997 | |
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| 5,492,705 Vegetable containing storage bag and method for storing same | 82 | 1994 | |
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| 4,743,123 Plastic bag and closed plastic bag with laser-formed venting perforations | 29 | 1986 | |
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| 5,590,777 Sterilizable flexible pouch package | 16 | 1994 | |