| 摘要 |
<p>The paper or plastics foil bag is funnel shaped and serves as a receptacle of debris formed during use of drilling on hammer tools etc. On the bag rear side is fitted a self-adhesive strip of low adhesion. Pref. the sides of the flat bag, prior to use, are 210 or 149 mm long. In the flat, rectangular state the bag is closed at one long and short side, where the other short side carries the self-adhesive strip on its rear side. The strip is covered by a removable protective strip. The bag can be rolled, when full, and secured by the self-adhesive strip.</p> |
