Construction kit for a cap-type closure

摘要

The invention relates to a construction kit for a closing cap for containers having a threaded neck or undercuts. It possesses a metal cap (1) with a bead (4) arranged at the lower edge (3) and a plastic ring (7) of essentially Z-shaped cross-section. The outwardly pointing edge (8) of the plastic ring (7) is made engageable into the interior of the bead (4) of the metal cap (1), and the plastic ring is perforated in the circumferential direction (12) to form connecting webs (10). Furthermore, the method of closing is described. <IMAGE>