Georg Fischer Rohrleitungssysteme Ag

Helmut Hilger

Dirk Alexander Petry

Hans-Werner Steinmetz

Lars Bunger

Friedhelm Keller

A molded part has welding sleeve portions (2) which are each provided with a heating coil (3a, 3b) for joining to tubular parts. A cylindrical sleeve end part (7) can be tensioned by at least one tensioning system against the inserted tubular part, thus providing fixing and holding of the parts before welding and during welding.

Molded part made of thermoplastic material

A molded connector for producing a branch connection for a pipeline has two heating windings which are connected to each other and by means of which the weld connection between the pipeline and the molded connector as well as the inserted molded branch part or a pipe is produced simultaneously.

Molded connector for branch connections for a pipeline

A welding sleeve is disclosed comprising a sleeve member of thermoplastic weldable material having a resistor wire winding at the internal surface thereof. A reinforcement ring of thermoplastic material is frictionally connected with the external circumference of the sleeve member

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Schaffhausen, Switzerland

Helmut Hilger