| 摘要 |
<p>The invention relates to an anchoring bolt (1b) over the part of the surface whereof are located gripping elements. The bolt front end carries a mixing extension (3b) with a tip (6), whose envelope surface is fitted with an annular arrangement of radially protruding cams (7), located peripherally and in aligned mutual spacing. The mixing extension (3b) provides mixing of the compound mass (11), which has two components, during the introduction of the bolt (1b) into a drilled hole.</p> |
