Patent ID: 7861896

Claim:
An assembly for preparing mineral water in situ, comprising: a container filled with a mineral concentrate; and a dosing device connected to a holder for dispensing the concentrate from the container in a dosed manner; wherein: the dosing device comprises: a housing comprising: an inlet, an outlet, a liquid flow path extending from the inlet to the outlet and including a pump mechanically connected to an operating element that is magnetisable or magnetic and moveably connected to the housing wherein the operating element is configured to move in response to a changing magnetic field, and the operating element comprises one or more of: a corrosion resistant steel which is at least as corrosion resistant as a corrosion resistant steel comprising molybdenum and at least one of titanium and niobium, a corrosion resistant coating of gold, silver or Teflon; or a magnetisable and/or magnetic ceramic material.