| 摘要 |
1507405 Structural joints P H MOE 22 March 1976 [20 March 1975] 11474/76 Heading F2M Tubular members 7 of a load-supporting structure, e.g. a steel suppporting truss for an oil drilling platform, are connected to arms 2-6 of a connecting piece 1 of forged steel by coupling elements 8 of frusto-conical form and also of forged steel, the ends of each coupling element being welded respectively at 9 and 10 to the respective tubular member 7 and connecting piece arm. |
