Anti-closure device for flexible containers

Details Anti-closure device for flexible containers Anti-closure device for flexible containers

B - Operations, Transporting

65

D

220/4

B65D 30/24 (2006.01)

Patent

CA 1269644

ANTI CLOSURE DEVICE FOR FLEXIBLE CONTAINERS Abstract of the Disclosure Flexible plastic container bags used for the bulk storage and dispensing of fluids are often blocked from dispensing all the contents and/or entrap part of the contents in folds of the plastic as they shrink during dispensing. A tongue or dip tube is attached to the inner wall of the plastic bag near the location of the dispensing aperture. The tongue is formed of a laminate of two dissimilar materials, one non-hygroscopic and the other hygroscopic, so that upon introduction of moisture into the bag, the hygroscopic layer will expand and the normally flat tongue will curl to form a thick tube that both prevents collapse of the bag and prevents closure of the dispensing aperture by the opposite wall of the bag.

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