Miba Sinter Austria Gmbh

Metaldyne International Deutschland Gmbh

Landshuter Werkzeugbau Alfred Steinl Gmbh & Co. Kg

Stefan Weyand

Christian Dumanski

Juergen Depp

Rainer Schmidt

Hubert Degenbeck

The invention relates to a gear () comprising a first, radially inner ring element (), a second, radially outer ring element () and a connecting element (), wherein the second, radially outer ring element () comprises a toothing (), wherein the connecting element () is arranged in radial direction between the first, radially inner ring element () and the second, radially outer ring element () and is connected to the first, radially inner ring element () and the second, radially outer ring element (), and wherein the connecting element () is made at least partly from a rubber-elastic material. In this case edges () of the first, radially inner ring element () in the connecting area between the first, radially inner ring element () and the connecting element () and edges () in the connecting area between the second, radially outer ring element () and the connecting element () are provided with a rounding (to).

Gear

Embodiments of the present invention relates to an injection moulding machine or injection unit and to an injection moulding method for injection moulding plastic materials (e.g., elastomeric materials), particularly according, to cold channel and hot channel techniques, comprising an extruder, a first piston/cylinder unit and a second piston/cylinder unit mounted in series thereto. The cylinder of the first piston/cylinder unit leads into the end of the second piston/cylinder unit located at a distance from an injection mould to be filled. According to an aspect of the invention, the elastomeric material is firstly led by means of the first piston/cylinder unit through the cylinder of the second piston/cylinder unit and into the injection mould, wherein the piston of the second piston/cylinder unit frees the flow path to the injection mould. Afterwards, the piston of the second piston/cylinder unit is displaced into the corresponding cylinder in order to introduce the elastomeric material located inside the second cylinder into the injection mould. The piston is retracted once the elastomeric material has been vulcanised on the cold channel nozzles.

Injection molding machine

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Michelstadt, Germany

Stefan Weyand