Valved bag with sealing flap

Details Valved bag with sealing flap Valved bag with sealing flap

B - Operations, Transporting

65

D

220/4

B65D 33/14 (2006.01) B65D 30/22 (2006.01) B65D 30/24 (2006.01)

Patent

CA 1179652

VALVED BAG WITH SEALING FLAP ABSTRACT OF THE DISCLOSURE A valved bag including elongate facing outer walls peripherally secured together except for an unsecured end region, an inner wall between the outer walls extending across the unsecured region and secured to one outer wall partially across the unsecured region to leave an access passageway, extensions on the inner and other outer wall extending across the unsecured region and secured together to close the unsecured region, and a sealing flap exteriorly of the inner wall extension and the adjacent region of the secured outer wall and secured thereto for removable sealing engagement with the latter by internal pressure of the bag.

442322

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