Patent ID: 7261218

Claim:
Cover in combination with a container including a container opening, the cover ( 1 ) having a flexible web ( 3 ), one end of which is movable from a first edge of the opening ( 1 ) towards a second edge of the opening ( 1 ) in order to close the opening by the web ( 3 ), wherein the web ( 3 ) is lockable in at least one position covering the container opening and wherein at the first end of the flexible web movable across the opening the first end of a flexible pulling element ( 5 ) is fastened, characterised in that the pulling element is fastened by its second end to a stationary location relative to the container ( 6 ) at or in proximity to that edge of the container opening ( 1 ) located closest to the first end of the flexible web in the open state, and characterised in that the pulling element is substantially as long as the distance between its fastening point to the container and the second edge of the opening.