| 摘要 |
PCT No. PCT/SE86/00433 Sec. 371 Date May 28, 1987 Sec. 102(e) Date May 28, 1987 PCT Filed Sep. 26, 1986 PCT Pub. No. WO87/02084 PCT Pub. Date Apr. 9, 1987.In a joint between first and a second rectangular tube, the first tube has its end provided with anchoring means and inserted through an insertion opening in the front wall of the second tube. The anchoring means located within the second tube are embedded in the concrete filling the two tubes. The anchoring means consist i.a. of two wings which form extensions of the side walls of the second tube, and a tongue which forms an extension at the end of an intermediate wall, constituting an extension of one transverse wall of the second tube. This anchoring tongue lies along the rear wall or the second tube. |
