Closing device for containers
AssigneeSociete de Conseils et D'Etudes des Emballages SCEE
InventorSimone Morel
Life of this patent
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Abstract
The closing device is provided for a container in which a cap is put in position on one end of the container forming a neck. The cap comprises an encasing portion for the container and a portion including opening and closing means. A membrane is sealed to a portion forming the neck of the container. A perforation member is placed in the vicinity of the membrane and provided for folding back this membrane toward walls of the neck. Means are arranged such that the perforation member can occupy a first position for which it cannot act on the membrane and at least a second position for which the membrane is broken and folded back.
Claims17
A closing device for a container in which a cap is put in position on a neck of the container, said neck defining a mouth sealed by a membrane, said cap comprising a side wall surrounding said neck and engagement means for engaging the neck of said container and opening and closing said container, a perforation member mounted in the vicinity of said membrane and carried by a partition of the cap, said partition having at least one hole therethrough, said perforation member being provided for folding back said membrane toward an inner surface of said neck side wall, and control means for controlling the position of said perforation member so that said perforation member occupies a first position in which it cannot act on the membrane and at least a second postion in which said membrane is broken and folded back by said perforation member in order to provide free communication between said container and inside of said cap.
Dependencies are inferred from the claim text.