A device for detaching the top of the can and draining the fluid contained therein. In the first embodiment, an upper and lower handle are adjustable in relation to one another to account for different can sizes. A conventional can opener is attached to a plunger that includes a magnet. A can is placed...http://www.google.fr/patents/US5403053?utm_source=gb-gplus-shareBrevet US5403053 - Can opening and liquid expelling apparatus