Spray head for spraying of hot melt adhesives by means of compressed air has spiral form slots located on front cone of material nozzle, and cone forms a fit with inner cone of air jet

摘要

The spray head has spiral form slots located on the front cone of a material nozzle (4), and the cone forms with the inner cone of the air jet (3) a fit and as an extension of the cone bore in the air jet is installed in a cylindrical bore (2) which runs into a constricted bore (1).