Patent ID: 8714381

Claim:
A device for the light-tight closure of a container with at least one opening, said device comprising: a first closure element with a bottom surface configured to face the container and a top surface configured to be remote from the container and with at least one opening, said closure element being shaped such that it is mountable in a form-fitting manner on the container such that the at least one opening of the closure element is situated above the at least one opening of the container, and a second closure element with a bottom surface facing the first closure element and a top surface remote from the first closure element, said second closure element being movably connectable to the first closure element and, in a closed position, covering the at least one opening of the first closure element and, in an open position, not covering the at least one opening of the first closure element, and wherein a raised edge, which encircles the at least one opening, is provided on the bottom surface of the first closure element, said edge having a first longitudinal portion with a sharp-edged surface and a second longitudinal portion with a blunt surface; wherein the first longitudinal portion of the raised edge has a first, a second and a third part portion, wherein the first and the third part portion each extend in a straight line and wherein the second part portion, which connects the first and the third part portion, extends in a curved manner; wherein on the surface of the first or of the third part portion, a cutting edge extends over the entire length of the part portion and wherein the second part portion has tooth-shaped structures; wherein the second closure element is moveable relative to the first closure element via a pin and insertion hole arrangement, the pin and insertion hole arrangement offset from the at least one opening and defining a movement radius between the open position and the closed position.