| 摘要 |
<p>The anchor is used for heavy fixing into concrete and other materials. It comprises an anchor stem made in the form of a bolt (3), along the threading of which an opening bushing is screwed which an opening bushing is screwed. It a second opening bushing (5) is mounted. The split end of bushing (5) rests in the conic section (4) of the opening bushing (2). 1 claim, 1 figure</p> |
