| 摘要 |
A recovery system (10) is disclosed for recovering a treating material (12) for treating a surface (20) with a vacuum source (25). The treating material (12) may be a cleaning material such as sand, water or may be a coating material such as a paint or a plasma coating. The apparatus (10) comprises a housing (16) having a housing opening (18) for projecting the treating material (12) from a nozzle (14) through the housing opening (18) onto the surface (20). A fluid seal means (30) provides a seal between the housing (16) and the surface (20). The vacuum source (25) is connected to the housing (16) for withdrawing the treating non-adhering material (12A) from the housing (16). |
