Closure for thermoplastic lid on food container comprises locking edge on container with annular step below it and circumferential groove on lid with cut out at bottom and outer wall which grips step when container is closed

摘要

The closure for a thermoplastic lid on a container comprises a locking edge on the container with an annular step below it. The lid has a has a circumferential groove with an outer wall which is directed towards the step and grips it when the container is closed. A circumferential section (18) of the wall has a cut out section (17) at the bottom of the groove.