| 摘要 |
PURPOSE: To clean the powder conduit of a powder spray coating apparatus in a very short time and unnecessary for providing an additional powder waste vessel. CONSTITUTION: A hose brush 22 for cleaning the powder conduit 34 has a brush head 24 and a compression air hose 26. The brush head 24 has a cylindrically arranged rigid wool 30 that centering the brush head 24 in the powder conduit 34 to be cleaned and a compression air nozzle 40 that is annularly arranged. The compressed air is flown from the compression air hose 26 toward the inner circumferential surface 32 of the powder conduit 34 to be cleaned via the compressed air nozzle 40. The hose brush 22 is sucked through the powder conduit 34, then restored at the compressed air hose 26. |
