Claims
- 1. A collapsible container for use in containing and dispensing a liquid, comprising:
a flexible bag having a bag wall with an interior surface, said interior surface having at least one groove; and a spout disposed through said bag wall for dispensing liquid from said bag; wherein said at least one groove is in liquid communication with said spout as said bag collapses to permit substantially complete withdrawal of liquid from said bag.
- 2. The collapsible container of claim 1 wherein said at least one groove comprises a plurality of grooves having elongated portions oriented substantially parallel to each other.
- 3. The collapsible container of claim 1 wherein said at least one groove comprises a plurality of grooves interconnected in a grid-like pattern.
- 4. The collapsible container of claim 1 wherein said at least one groove comprises a plurality of grooves interconnected in a chevron pattern.
- 5. The collapsible container of claim 1 wherein said at least one groove comprises a plurality of grooves that feed into a collection zone adjacent said spout.
- 6. The collapsible container of claim 1 wherein said flexible bag further comprises a stiffener that overlies said at least one groove as said flexible bag collapses to help maintain liquid communication between said at least one groove and said spout.
- 7. A collapsible container for use in containing and dispensing a liquid, comprising:
a flexible bag having a first bag wall and a second bag wall, said first bag wall having an interior surface with at least one groove; and a spout disposed through said second bag wall for dispensing liquid from said bag; wherein said at least one groove is in liquid communication with said spout as said bag collapses to permit substantially complete withdrawal of liquid from said bag.
- 8. The collapsible container of claim 7 wherein said at least one groove comprises a plurality of grooves having elongated portions oriented substantially parallel to each other.
- 9. The collapsible container of claim 7 wherein said at least one groove comprises a plurality of grooves interconnected in a grid-like pattern.
- 10. The collapsible container of claim 7 wherein said at least one groove comprises a plurality of grooves interconnected in a chevron pattern.
- 11. The collapsible container of claim 7 wherein said flexible bag further comprises a stiffener that overlies said at least one groove as said flexible bag collapses to help maintain liquid communication between said at least one groove and said spout.
- 12. The collapsible container of claim 11 wherein said stiffener is connected to said second bag wall.
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This application claims priority from U.S. Provisional Application Serial No. 60/196,838 filed on Apr. 13, 2000.
PCT Information
Filing Document |
Filing Date |
Country |
Kind |
PCT/US01/12203 |
4/13/2001 |
WO |
|