Closure device for tubes with a neck sealed by a membrane.

摘要

Stopper of the type comprising a head 13, an internally threaded skirt 14 descending from this head with a punch 15 to be screwed onto a nozzle 11 with a seal 16. According to the invention, a cap 20 is disposed around the stopper with an attachment zone consisting of a series of breakable bridges 18 and a shaft 21 for guiding and entraining the head 13. Application particularly to the packaging of food products. <IMAGE>