Filterwerk Mann + Hummel Gmbh

Guenther Steiner

Wolfgang Cedzich

Klaus Wachsmann

A process for producing closed or open hollow parts of molded synthetic resin material in which a core (,) or mold body which extends into the mold cavity and is attached to a form element and supported on other form elements is situated between two mold half-shells. The core is supported by one or more movable stops (,) which can be retracted from the mold cavity. Plastic is injected into the mold via a first injection channel (,) with the core retained in position by the stops (,). Subsequently the retaining stops (,) are retracted and the mold cavity is completely filled via a second injection channel (,).

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Auenwald, Germany

Guenther Steiner