Vacuum sealing cap for e.g. freezing bag, has part consisting of cup-shaped hollow tube that is opened at both openings, another part consisting of wedge-shaped plug, and check valve provided at lower end of plug

摘要

The cap has a part consisting of a cup-shaped hollow tube (5) that is opened at both openings, and another part consisting of a wedge-shaped plug (4), where a container to be sealed is drawn through the hollow tube. A check valve (6) is provided at a lower end of the plug. A suction nipple (3) is pushed into the former part and operated with the help of a hand pump (2), where the nipple sucks the air from the container.