Dispenser closure having distortable diaphragm seal

Details Dispenser closure having distortable diaphragm seal Dispenser closure having distortable diaphragm seal

B - Operations, Transporting

65

D

210/45

B65D 47/08 (2006.01) B65D 47/20 (2006.01)

Patent

CA 1081166

ABSTRACT OF THE DISCLOSURE The invention relates to a dispenser closure formed of elastomeric material which is suitable for fitting to the discharge spout of a liquid container formed of a flexible film material such as polyethylene film and housed in a cardboard casing. The closure is provided with sealing means, the effectiveness of which is increased with increasing pressure within the container, and a diaphragmatic transverse wall positioned across the discharge spout, said transverse wall being provided with an outwardly directed protrusion which is manipulated with a toggle like action to distort the transverse wall and sealing means to permit liquid to flow from the container.

244112

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