Koaxiale Pulverduese zur Oberflaechenbearbeitung mit einem Diffusor

DE 10120725 C UPAB: 20030101 NOVELTY - Powder nozzle comprises an inner part (1); an outer part (2); and an expansion chamber (4) for distributing a powder gas mixture flowing into an annular gap (8). A diffuser (5) is arranged on the inner part in the expansion chamber. The annular gap is arranged coaxially to the spreading axis of the laser beam (10). DETAILED DESCRIPTION - Preferred Features: The diffuser is a rod or ball diffuser. An adjusting unit (3) is provided opposite the inner part for finely adjusting the outer part. USE - Used for surface treating using a laser beam. ADVANTAGE - The nozzle is compact