Reversible coating material nozzle for a spray gun for coating a workpiece with coating material

摘要

The nozzle (20) has a nozzle core (23), a nozzle nipple (22), and a nozzle channel (26) which extends through the nozzle nipple and the nozzle core and connects the nozzle nipple opening (25) to the nozzle core opening (24). The nozzle nipple has a cylindrical portion (22.4) which forms a positive connection with the nozzle holder (9) of the spray gun, in the first fitting position. The ratio between the length from a stopper (21.7) to the cylindrical portion and the nozzle diameter is in the range of 0.75-2.00. Independent claims are included for the following: (1) spray gun for coating workpiece with coating material; and (2) method of operating a spray gun for coating workpiece with coating material.