CLOSURE CAP FOR A CONTAINER

• Main Author: HAUCK, Axel
• Format: Patent
• Language: English; French; German
• Published: 30.01.2019
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; PACKAGES; PACKAGING ELEMENTS; PACKING; PERFORMING OPERATIONS; STORING; TRANSPORTING

A closure cap (10) having a cap housing (12) which includes a substantially cylindrical recess (13) which has a top opening (14) and a bottom opening (15), wherein the bottom opening (15) is closed by means of a membrane (16), a plunger (17) which comprises a cover (18) and a substantially cylindrical lateral surface (19) which extends downward from an underside of the cover (18), wherein the lateral surface (19) engages in the top opening (14) of the recess (13) of the cap housing (12), and a chamber (20) which is defined by the recess (13) of the cap housing (12) and the plunger (17) which engages in the recess (13) by way of its lateral surface (19), the plunger (17) and the cap housing (12) being arranged so as to be movable relative to one another between a first, non-active position, in which a bottom edge (22) of the lateral surface (19) is arranged above the bottom opening (15) of the recess (13) of the cap housing (12) and a second, activated position, in which the bottom edge (22) of the lateral surface (19) opens the bottom opening (15). The closure cap (10) is characterized in that the cap housing (12) is provided with a bottom plate (42) arranged in the bottom opening (15) and hingedly connected to the cylindrical recess (13), the membrane (16) being arranged beneath the bottom plate (42) and being sealingly connected to a bottom rim (44) of the cylindrical recess (13).