Patent ID: 7124960

Claim:
A plasma wire burner for plasma spray, comprising: at least two burner tubes ( 3 ) for supplying electrodes in the form of wires ( 5 ) from a supply tube ( 1 ), a feed device ( 7 ) for passing an electrode through a burner tube ( 3 ) in a direction toward a surface of an object to be coated, the feed device has a plurality of guiding and/or sliding elements ( 8 ) which are mounted such that they can rotate for deforming the wire in an elastic or plastic range, wherein the feed device ( 7 ) is integrated in the burner tube ( 3 ) or is held in it, and wherein the guiding and/or sliding elements ( 8 ) are in the form of rollers or ball bearing mounted rollers, wherein the burner or the supply tube ( 1 ) is formed from three segments which can be joined together, wherein the burner or the supply tube ( 1 ) has an approximately circular cross section when viewed from the front, and wherein the central segment of the burner or of the supply tube ( 1 ) is approximately wedge-shaped when viewed from the front.