Patent ID: 9266137
Filing Date: 2016-02-23
CPC Classification: B05B,B08B

Claim Text:
1. A method for purging a powder coating material spray gun having a handle that is manually gripped by an operator during a powder coating operation, the method comprising: supplying powder coating material to a coating material inlet at a handle end of the spray gun during a coating operation, and supplying purge air to a purge air inlet at said handle end of the spray gun during a purging operation, said coating material flowing through a coating material flow path that extends through the handle that is manually gripped by an operator during a powder coating operation, said coating material flowing into said handle at said handle end of the spray gun; and said purge air flowing into said handle at said handle end of the spray gun along a purge air inlet flow path that is separate from said coating material flow path, said purge air flowing into and purging said coating material flow path that extends through the handle during said purging operation, wherein said purge air flows from said purge air inlet flow path into said coating material flow path at a location that is within said handle.