An apparatus and method for cleaning a workpiece with abrasive CO.sub.2 snow operates with a nozzle for creating and expelling the snow. The nozzle includes an upstream section defined by a first contour for receiving CO.sub.2 in a gaseous form. The nozzle also includes a downstream...http://www.google.fr/patents/US5679062?utm_source=gb-gplus-shareBrevet US5679062 - CO.sub.2 cleaning nozzle and method with enhanced mixing zones
CO.sub.2 cleaning nozzle and method with enhanced mixing zones