| 摘要 |
PCT No. PCT/SE86/00481 Sec. 371 Date Jun. 1, 1987 Sec. 102(e) Date Jun. 1, 1987 PCT Filed Oct. 16, 1986 PCT Pub. No. WO87/02753 PCT Pub. Date May 7, 1987.A sleeve joint for plastic-sheathed insulated pipes, comprising an oversized joint sleeve of plastic material overlapping the ends of the sheaths of connected pipes with a gap provided between the sleeve and said ends. Spacer means are located in the gap at either end. A circumferential groove is provided in the respective sheath outside of the gap. A fillet weld of a plastic material fills up the groove and the gap opening, and covers the sleeve end face. |
