| 摘要 |
<p>1. Expansion plug for anchoring in drill-holes, preferably inwardly flared drill-holes, the plug comprising a stay bolt which is to be supported at the bottom of the drill-hole and which has an expander cone onto which an expansible sleeve may be driven, characterized in that the stay bolt has, opposite the expander cone, a portion that is provided with a slot, and the two segments of that portion which have been formed by the slot can be flanged over in opposite directions, the expansible sleeve has an extension piece provided with an aperture for fastening articles, and, in the anchoring state, the expansible sleeve is held on the stay bolt by the flanged-over segments.</p> |
