Patent ID: 6959807

Claim:
A multi-compartment container system comprising: at least two assembly units; at least one of the assembly units being a cartridge unit, the cartridge unit comprising: a cartridge housing having an opening at each of its top and bottom ends; at least one of the two openings adapted and configured to engage and seal the other of said at least two assembly units; a displaceable member having a sealing wall at one end, a manipulable portion at the other end adapted and configured to be controlled by a user to move the displaceable member, and at least one connecting member extending between the sealing wall and the manipulable portion; a closure member sealing the other of the two openings; wherein the displaceable member is moveable between a sealed position, where the sealing wall engages the cartridge housing sealing the top end opening of the cartridge housing, and an unsealed position, where the sealing wall is disengaged from the cartridge housing and the top end opening is open; and the other of the at least two assembly units having at least one opening sealed with a sealing member, said at least one opening adapted and configured to engage the top end opening of the cartridge housing, said sealing wall and said sealing member each provided with at least one coupling arm that interlock with one another when the two assembly units are assembled, wherein when the displaceable member is moved to its unsealed position disengaging the sealing wall from the cartridge housing, the sealing member is also disengaged from the at least one opening of the other of the at least two assembly units.