Electrostatic spray gun for powdered material
First Claim
1. An electrostatic spray gun for powdered material comprising, in combination, a common housing;
- connection means for supplying powder and compressed gas;
a spray tube, a spray nozzle;
a charging device for electrostatically charging the powder, said connection means for the powder and compressed gas supply being held in said common housing portion;
a gun barrel, said gun barrel with said spray nozzle comprising detachably nested hollow members fastened replaceable to the front side of said housing;
a barrel head mounted on an outer end of said gun barrel and holding said spray nozzle fitting to an outer end of said spray tube fastened axially and radially to said housing by an exterior barrel tube; and
a spacer enclosing said spray tube and held on both ends and rotating with said housing and said barrel head.
1 Assignment
0 Petitions
Accused Products
Abstract
An electrostatic spray gun for powdered material in which separate connecns for supplying powder and compressed air are provided together with a spray tube and spray nozzle. A charging device charges the powder electrostatically. The connections for the powder and compressed gas supply are held in a common housing portion. A gun barrel, together with spray nozzle, constitute nested hollow members fastened to the front of the housing. A barrel head on an outer end of the gun barrel holds the spray nozzle to the outer end of the spray tube which is fastened axially and radially to the housing by an exterior barrel tube. A spacer which encloses the spray tube is held on both ends and is fixed to rotate with housing and barrel head.
31 Citations
10 Claims
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1. An electrostatic spray gun for powdered material comprising, in combination, a common housing;
- connection means for supplying powder and compressed gas;
a spray tube, a spray nozzle;
a charging device for electrostatically charging the powder, said connection means for the powder and compressed gas supply being held in said common housing portion;
a gun barrel, said gun barrel with said spray nozzle comprising detachably nested hollow members fastened replaceable to the front side of said housing;
a barrel head mounted on an outer end of said gun barrel and holding said spray nozzle fitting to an outer end of said spray tube fastened axially and radially to said housing by an exterior barrel tube; and
a spacer enclosing said spray tube and held on both ends and rotating with said housing and said barrel head. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- connection means for supplying powder and compressed gas;
Specification