Closure assembly in particular for hypodermic syringes

Details Closure assembly in particular for hypodermic syringes Closure assembly in particular for hypodermic syringes

B - Operations, Transporting

65

D

B65D 47/10 (2006.01) A61M 5/32 (2006.01) A61M 5/50 (2006.01) B29C 44/04 (2006.01)

Patent

CA 2392758

A closure member comprises a rim portion defining an aperture and a blocking portion which closes the aperture but can be broken free from the rim portion, the portions having a zone of intimate contact therebetween produced in a moulding process (e.g. a two shot moulding process) to provide a hermetic seal between the portions. The two portions are also be coupled together at the zone of contact in such a way that the blocking portion is only removable upon application of a predetermined load thereto.

La présente invention concerne un organe de fermeture, comprenant une partie de bord, qui définit une ouverture, et une partie de blocage, qui ferme ladite ouverture, mais peut être rompue et détachée de la partie de bord. Les parties présentent une zone de contact étroit entre elles, qui est produite lors d'un processus de moulage (un processus de moulage double, par ex.), afin de créer un joint hermétique entre les parties. Les deux parties sont également couplée au niveau de la zone de contact, de façon que la partie de blocage ne peut être détachée que par application d'une charge prédéfinie sur celle-ci.

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