Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
F04F1/00—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
F04F1/06—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium acting on the surface of the liquid to be pumped
Melkmaschine, deren Melkbecher eine Anzahl ueber die Zitze zu schiebender, untereinanderliegender Luftpolster aufnimmt, die nacheinander aufgeblaeht und entleert werden