CARTRIDGE TYPE EXTRUSION CONTAINER

摘要

PROBLEM TO BE SOLVED: To provide an inexpensive cartridge type container having a simple automatic opening and closing mechanism. SOLUTION: In a cartridge type extrusion container consisting of an outer container 1 consisting of a lid member 2 and a closed-end cylindrical container main body 3 having a wide mouth part 4 to which the lid member 2 is fitted and the inner container 10 having the bag member 12 provided in the undersurface of a press plate 11 and housed in the container main body 3 so as to be capable of being inserted and sedimented therein, the through-hole 15 piercing the press plate 11 up and down is provided and a flexible film 16 is superposed on the upper surface of the press plate 11 so as to cover the through-hole 15 to be partially bonded thereto and the unbonded part of the film 16 is set to a duct having the discharge port 17 communicating with the through-hole 15 to provide an automatic opening and closing mechanism.