| 摘要 |
<p>A spray gun for powder coating of a workpiece has a powder and compressed air delivery tube (16) comprising a first part (18) in or associated with a handle (12) of the gun and a second part (20) communicating with the first part and at an angle thereto for delivering the powder to a nozzle (40) of the gun, wherein the first part of the tube has a continuation beyond its junction with the second part to provide a space (28) where powder can collect to form a cushion of powder to facilitate flow of powder around the angle of the junction.</p> |
