POWDER SPRAY GUN COMPRISING A WEAR RESISTANT ELECTRODE SUPPORT

摘要

A spray nozzle assembly is provided with an electrode, a wear resistant member, and a compliant sleeve. The wear resistant member supports the electrode and is supported by the compliant sleeve. For coating operations that use abrasive powder such as porcelain enamel, the wear resistant member may comprise ceramic. The compliant sleeve may be made of an elastic material such as plastic, which allows one end of the compliant sleeve to receive an end of a glass powder tube. The wear resistant member may be in the form of a ceramic spider. The electrode may be installed in-line with a powder flow path defined by the powder tube, which extends through a spray gun body.

主权项

1. A spray gun for powder coating material, comprising:
a housing comprising a spray nozzle, said spray nozzle comprising a powder inlet and a powder outlet, wherein during a coating operation powder coating material enters said spray nozzle through said powder inlet along an axis, an electrode disposed within said housing, a wear resistant member that supports said electrode, a compliant sleeve that supports said wear resistant member in line with said axis.