Sheet-material piercer for a container closure

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 47/24 (2006.01) B65D 51/28 (2006.01)

Patent

CA 2703134

A sheet-material piercer (1) for a container closure (2) of the push-pull type is of essentially rotationally symmetrical design and can be inserted into the container closure (2) in the direction of the axis of rotation of symmetry (R) such that it can be displaced axially independently of the push-pull part of the container closure (2). The sheet-material piercer (1) is in one piece and has at least one sealing formation (16, 17, 18) which is likewise of rotationally symmetrical design and is arranged between an actuating end (13) and a piercing end (14). The sealing formation (16, 17, 18) is designed for sealing and latching contact with the container closure (2). Also proposed is a container closure (2) for a container (3) with a so-called push-pull closure and such a sheet-material piercer (1).

L'invention concerne un perce-feuille (1) pour fermeture (2) de récipient, du type "push-pull", configuré essentiellement à une symétrie centrale et apte à être inséré par coulissement axial dans la fermeture (2) du récipient dans la direction de l'axe R de symétrie centrale indépendamment de la partie "push-pull" de la fermeture (2) du récipient. Le perce-feuille (1) est réalisé en une seule pièce et présente au moins une moulure d'étanchéité (16, 17, 18) qui a également une configuration à symétrie centrale et qui est disposée entre une extrémité d'actionnement (13) et une extrémité de perforation (14). La moulure d'étanchéité (16, 17, 18) est configurée pour assurer un contact étanche et encliquetable avec la fermeture (2) du récipient. L'invention propose également une fermeture (2) d'un récipient (3) qui présente une telle fermeture "push-pull" et un tel perce-feuille (1).

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