B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 35/46 (2006.01)
Patent
CA 2151415
This invention is designed to improve the existing way of packaging liquids, by inserting a flexible sleeve valve(s) into a collapsible or solid container. A container equipped with such a valve(s) will remain sealed. However, this container can be entered with a straw through the sleeve and consume as much liquid as desired by sipping through this straw. After the straw is removed the valve closes automatically.
Ferancik Edita
Ferancik Viliam
Ferancik Edita
Ferancik Viliam
LandOfFree
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