Sealing disc with tab for closing a container having a plug or cap closure and fabrication method

摘要

Sealing disc (1) for closing a container having a plug or cap closure, comprising a support (2) to be positioned at the bottom of the plug or of the cap, joined by means of a temporary adhesive (7) to a membrane seal (3) to be sealed on the mouth of the container, the membrane seal (3) being provided on all or part of its thickness with a prolongation constituting a pull tab (4), characterized in that the whole surface of the tab is folded back on the face of the membrane seal (3) in contact with the corresponding face of the support (2).