Cyclone preliminary collector for separating the greatest part of grinding splinters appearing on wall chase cutters during the cutting of wiring channels in walls fits into a tube system for sucking off grinding dust.

摘要

A preliminary collector separates grinding splinters (8) appearing on wall chase cutters (3) during the cutting of wiring channels (2) in walls (1) and fits into a tube system for sucking off grinding dust (4) between the wall chase cutter and a vacuum cleaner (9). This collector works as a cyclone (5) in series with the vacuum side of the vacuum cleaner.