As Lungen Gmbh

Udo Skerdi

Diether Koch

Jens Müller

Reinhard Stötzel

Günter Weicker

Henning Rehse

Anton Gienic

Thomas Dünnwald

The invention relates to a feeder for cast metal, comprising a feeder head () having a cavity () that is open towards the surroundings via at least one opening (), and a tubular body () which is guided through the opening () and arranged in a mobile manner. According to the invention, the tubular body () comprises an abutment () in the section thereof facing the cavity (), said abutment () being capable of taking its bearing on a surface adjacent to the opening () in the cavity ().

Feeder comprising a mobile socket

The invention relates to a moulding mixture for producing casting moulds for metalworking, a process for producing casting moulds, casting moulds obtained by the process and also their use. To produce the casting moulds, a refractory mould raw material and a binder based on water glass are used. A proportion of a particulate metal oxide selected from the group consisting of silicon dioxide, aluminium oxide, titanium oxide and zinc oxide is added to the binder. Particular preference is given to using synthetic amorphous silicon dioxide as metal oxide.

Moulding mixture for producing casting moulds for metalworking

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Bendorf/Rhein, Germany

Udo Skerdi