| 摘要 |
<p>PCT No. PCT/DE82/00139 Sec. 371 Date Mar. 10, 1983 Sec. 102(e) Date Mar. 10, 1983 PCT Filed Jul. 6, 1982 PCT Pub. No. WO83/00175 PCT Pub. Date Jan. 20, 1983.In order to obtain a high initial stress force of the screw, in particular cap screw, in a framework made of hollow sections used as bar elements, joined at separate junction members, having connecting parts for the bar elements, whereby threaded holes are provided at the exposed ends of the connecting parts and plates with central bores are provided at the end of the bar elements, on each of the plates a cap screw with its head positioned within the bar element being inserted and screwable into the threaded bore on the side of the connecting part, whereby finally the bar elements, the plates and the connecting parts reach a smooth exterior profiling, achieving a framework free of recesses and projections it is proposed that a tubular guiding piece (6) be supported by the plate (4) inside the bar element (2) forming a sliding duct for the cap screw (7) and running slightly curved with respect to the wall of the corresponding bar element (2) and abutting in an opening (8) for the passage of the screw provided in the wall of the bar element (2 ).</p> |
