Hydac Process Technology Gmbh

Otto Sandmeyer

Ralf Wnuk

Norbert Lang

Jürgen Hausdorf

Thomas Schorn

A filter device, in particular, for high-pressure applications in a molten polymer filtration, has a screw-in piece (), provided with a first threaded section () for fixing the filter device, and a second threaded section () for fixing a filter medium (), in particular, in the form of a metal wool and with a perforated support tube () for the metal wool. The other free end of the filter device is provided with a volume displacer (). The metal wool is surrounded by a support grid () and fixed by two fixing pieces (), held at a separation from each other by the support grid (). One fixing piece () is fixed to the second threaded section () of the screw-in piece (). The other fixing piece forms a handle () for the fixing formed. As a result of the volume displacer () being a one-piece component of the support tube () and the fixing piece () forming the handle covering the volume displacer (), the filter device is significantly improved in that a simple and rapid assembly procedure for the exchangeable filter medium is provided. Also, the filter element construction is held formed to be free of damaging torsional loads.

Growing community of inventors

Blieskastel, Germany

Otto Sandmeyer