A liner for use with a threaded closure cap is formed of a relatively thin, flexible material having a central portion configured for placement in the cap abutting a top wall thereof. The liner has at least one tab extending therefrom. The tab has a leading edge portion that is formed so as to define...http://www.google.fr/patents/US5927530?utm_source=gb-gplus-shareBrevet US5927530 - Angled tab closure liner
