A one-way valve

Details A one-way valve A one-way valve

B - Operations, Transporting

65

D

B65D 81/34 (2006.01) B65D 77/22 (2006.01)

Patent

CA 2443167

A one-way valve, intended particularly for use in food packages. The valve, which is intended to be fitted on a package (1), is arranged to open in response to an excess pressure inside and is recloseable. An adhesive sheet (5) is arranged on top of an aperture formed in the packaging material, said adhesive sheet (5) arranged to uncover said aperture when exposed to pressure loads.

L'invention concerne un clapet anti-retour conçu plus particulièrement pour être utilisé dans des emballages alimentaires. Ledit clapet destiné à être fixé sur un emballage (1) est configuré de manière à s'ouvrir en réponse à un excédent de pression à l'intérieur de l'emballage et est refermable. Une feuille adhésive (5) est disposée sur une ouverture pratiquée dans la matière d'emballage, ladite feuille adhésive (5) étant placée de sorte à découvrir ladite ouverture lorsqu'elle est soumise à des charges de pression.

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