LID DEVICE WITH HINGE FOR CONTAINER

摘要

PROBLEM TO BE SOLVED: To easily open a cover device and still more hermetically seal a container well. SOLUTION: A cover device 11 with a hinge is provided with a ring 2 fitted to the opening edge of a container and a cover 3 connected to the ring through the hinge 4 and pushed down on the ring on closing it. The ring 2 is provided with a locking tab 9 with a tab 10 connected to the ring 2 by another hinge 20 at the opposite side of the hinge 4. When the cover device is closed, the locking tab 9 is contained in a corresponding recess 7 formed in the cover 3 and the tab 10 is caught with a snap by the hollow mode on the top face of the recess 7 of the cover 3.