| 摘要 |
<p>A tubular anchor including a tubular member having, at its one end, a crow n- shaped drilling head and, at its opposite end, a load application element a substantially cylindrical hollow element filled with a mortar mass, located inside the tubular member, and having, at its end facing in the direction opposite to t he setting direction, an opening enabling flow of the mortar mass therethrough, and at least one longitudinal channel communicating the opening with an outlet opening provided in the region of the drilling head.</p> |
