Leister Technologies Ag

Rauschert Steinbach Gmbh

Hannes Kühl

Ulrich Gubler

Ralf Drechsel

The invention relates to an electric hot wedge () for a welding device for the seam-like connecting of plastic webs, having a welding wedge () and a welding wedge attachment () made of metal, wherein the welding wedge () comprises at least one electric heating resistor () having a heating conductor (), which is bonded to a ceramic carrier () as a conductive layer () and is preferably protected by a ceramic cover layer. According to the invention, the welding wedge attachment () has a support structure () made of metal on the side thereof, which substantially extends across the entire length and/or width of the electric heating resistor () and which mechanically stabilizes the carrier () of the heating resistor ().

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Sonneberg, Germany

Hannes Kühl