| 摘要 |
<p>An improved coupling element for inverted T beams characterised by comprising at their ends an appendix (2) formed from two portions (8, 10) of different height, the outer portion (10) having the lesser height and being bent to V-shape with the free part (14) comprising a tooth (16), and in their central web (4) at least one aperture (18) having a height substantially corresponding to the height of the outer portion (10), for the insertion of said portion and its stable retention by the tooth and by the edge of the inner portion (8).</p> |
