| 摘要 |
<p>A dust collection device for use with a drill which consists of a an open ended receptacle having one end dimensioned to sealingly engage the boss of the drill bit and the other end including an orifice sized to allow the drill bit to pass through there being a dust adhesive a wettable sponge attached to the external face surrounding the orifice. The sponge surface is pressed against the substrate to be drilled and the drill bit passes through the orifice and sponge. Drill dust is collected in the receptacle and the drilled hole is wiped with the sponge to collect the remaining dust.</p> |
