Georg Fischer Rohrleitungssysteme Ag

Oliver Hein

Joerg Wermelinger

Timo Jaeckle

Andreas Schlegel

Jörg Wermelinger

Michaela Eichenberger

Timo Jäckle

Florian Furrer

Frank Straub

Electric welding coupler for the welding of pipes made of thermoplastic material or other weldable plastics comprising a cylindrical body made of thermoplastic material or other weldable plastics, containing at least one welding element, wherein the welding element is arranged close to the inner diameter of the cylindrical body, wherein the welding element forms at least two welding zones, a contact for feeding the electric current and at least one cavity, wherein the cavity is arranged in the cylindrical body, wherein a reinforcing ring is arranged around the outer circumference respectively outer diameter of the cylindrical body.

Chamber coupler

A valve includes a leakage indicator and a valve housing. The valve housing includes a valve housing upper part, a valve housing lower part, and a diaphragm. The diaphragm divides the valve housing into a fluid-flow area and a fluid-free area. The leakage indicator is an absorbent element that projects into the fluid-free area.

Valve having a leakage indicator

Growing community of inventors

Langwiesen, Switzerland

Oliver Hein