Patent ID: 7207607

Claim:
Coaxial two-component cartridge with a cylindrical outer tube and a separate cylindrical inner tube coaxially surrounded by the outer tube, whereby the outer and inner tubes define an intermediate space in the form of a hollow cylinder between each other, the cartridge separately including two components, namely one in an interior of the inner tube and the other in the intermediate space, for simultaneous squeezing from the cartridge, characterized in that both the outer and inner tubes each includes at one respective end a respective neck, wherein the neck of the inner tube has an outlet channel for a component located in the interior of the inner tube, and wherein the inner side of the neck of the outer tube and the outer side of the neck of the inner tube are each provided with locking elements that can be moved into engagement with each other, for the coaxial introduction of the inner tube into the outer tube, such that they fix the inner tube relative to the outer tube coaxially and in a predetermined axial position, in which outlet channels for a component located in the intermediate space between the two tubes are formed between the neck of the inner tube and the neck of the of the outer tube, further characterized in that the locking elements of the neck of the outer tube are formed in the axial direction by a plurality of successive channels, and the locking elements of the neck of the inner tube are formed in the axial direction by a plurality of successive ribs integral with the neck, and the outer diameter of the neck of the inner tube including the ribs is at least as large as the clearance diameter of the channels.