| 摘要 |
FIELD: process engineering. ^ SUBSTANCE: invention relates to cleaning of hollow articles, for example pipelines from inside with the help of moving appliances and removing sediments therefrom. Proposed device comprises working member fitted on the shaft and arranged in head screwed together with union. Said union comprises perforated bottom for working agent to penetrate through. ^ EFFECT: simplified design, higher reliability, ease of manufacture, servicing and repair. ^ 2 dwg |
