Valved bag

Details Valved bag Valved bag

B - Operations, Transporting

65

D

220/4

B65D 30/24 (2006.01) F42B 3/00 (2006.01)

Patent

CA 1179650

VALVED BAG ABSTRACT OF THE DISCLOSURE A valved bag including facing outer walls peripherally secured together except for an unsecured region, and an inner wall between the outer walls extending across the unsecured region, the inner wall being secured to one outer wall partially across the unsecured region to leave an access passageway between the inner and said one outer wall, and the inner wall being secured to the other outer wall entirely across the unsecured region to close the latter between the inner and said other outer wall. The inner wall thus combines with said one outer wall to define a valve openable for access to valve interior and closable by internal fluid pressure of contents.

405668

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