To provide a resinous tube which is fusible without producing any fusing defect by an electric fusing cap when an existing embedded gas pipe end is treated.
This side of the joint 5 of a spigot pipe section 3 of an electric fusion saddle 2 on the pipe 1 is cut, and the cut pipe end 3b of the residual part 3a of the spigot pipe section 3 is subjected to the pipe end treatment for closing it by the electric fusing cap 8. In this time, if the swallowed length F of the socket 9 of the electric fusion cap 8 is longer than the length E of the residual length 3a of the spigot pipe section 3, the swallowed length becomes short to cause a fusion defect. Hence, an extension collar 10 to compensate shortage of the swallowed length is interposed between the cut pipe end 3b and the depth of the socket 9. In this way, the shortage of the swallowed length can be compensated by interposition of the extension collar 10 and the pipe end can be appropriately fused without fusing defect.
TOKIOKA HIROYUKI
KISHIMOTO YUJI
NIPPON KOKAN PIPE FITTING MFG
| JPH0532897U | 1993-04-30 | |||
| JP2001082665A | 2001-03-30 | |||
| JPH11344192A | 1999-12-14 | |||
| JPH07239084A | 1995-09-12 | |||
| JPH06213387A | 1994-08-02 | |||
| JPH07158787A | 1995-06-20 |
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