CLOSURE CAP WITH A MULTILAYER SEAL DISK FOR RECEPTACLES

摘要

The invention is directed to a cap (10) for receptacles (20) such as e.g. glass jars, comprising a cap base body (11) with a fixing means (13) for enabling the cap (10) to be removably attached on the receptacles (20), a backing layer (2) made from a deformable material, and a sealable, preferably heat-sealable membrane (3) not being glued to the backing layer (2), wherein both the backing layer (2) and the membrane (3) are retained inside the cap (10) via a retention portion (18) extending from an inner side wall (14) of the cap (10). The invention is further directed to a receptacle (20) having said cap (10) for closing it, and is also directed to a method for providing the cap (10) with a sealing element (1) and for providing said cap (10) onto the receptacle (20).