Patent ID: 7802568
Filing Date: 2010-09-28
Classification: A61M,B05B

Abstract:
1. A releasable connection between a cartridge and a connection portion of a dispensing device, the cartridge being interchangeable and including a stiff outer casing or a shape stable container or a stopper, the releasable connection comprising: a connection portion disposed on an upper portion of the dispensing device and including a draw-off connection portion for drawing off a liquid contained in the cartridge; and a plurality of discrete snap hooks provided on the connection portion, wherein the connection portion is releasably secured to the cartridge by the snap hooks which individually engage into a peripherally extending groove in the stiff outer casing or the shape stable container or the stopper, after the casing or the container or the stopper has been pushed into the dispensing device, wherein the connection portion is configured to be reused with a second cartridge, wherein the connection portion is releasably secured to the second, cartridge by the snap hooks after the connection portion is released from engagement with the first cartridge, wherein the connection portion includes a plurality of vertical extensions, wherein each snap hook is provided on one of the plurality of vertical extensions, and wherein the draw-off connection portion vertically extends between the plurality of vertical extensions so as to be substantially surrounded by the plurality of snap hooks, and wherein the connection portion is a single-piece of material including the plurality of vertical extensions and the draw-off connection portion.