Patent ID: 7416140

Claim:
A disposable cup for a spray gun for at least one of preparing, applying and preserving paint, the disposable cup having one of a cylindrical shape or a truncated cone-shaped cup body ( 1 ) including a bottom wall ( 3 ) with a face having a vent opening ( 6 ) formed therein and a cover ( 4 ), for closing an open end of the disposable cup, having an outlet duct ( 11 ) for dispensing the paint, the outlet duct ( 11 ) being directly engagable with one of the spray gun or via an adaptation part ( 18 ) of the spray gun ( 17 ), the disposable cup having on the bottom wall ( 3 ), a vent device ( 7 ) including a manually adjusted movable element ( 20 ) with a protruding end for cooperating and shutting the vent opening ( 6 ) in a closed position of the movable elment ( 20 ), and, when the movable element ( 20 ) is in the opened position, the movable element ( 20 ) frees the protruding end from the vent opening ( 6 ) and allows air to enter and occupy an inner volume space created by consumed paint during painting, and when the movable element ( 20 ) closes in a liquid-tight way, the vent opening ( 6 ), an invertable container is formed which assists with paint preparation, wherein the vent opening ( 6 ) is formed in a recessed portion of the bottom wall ( 3 ) of the disposable cup and the movable element ( 20 ) of the vent device is slidably located within a tubular valve body which forms a valve duct ( 22 ), and the movable element ( 20 ) prevents air from flowing through valve duct ( 22 ) when the movable element ( 20 ) is in the closed position.