| 摘要 |
PURPOSE: Split-type connection pipes are provided to simply fuse a resin pipe changed in an oval shape without an additional process, to remove inferior fusion caused by depression of a fused part, and to maintain a strong fused state. CONSTITUTION: An insertion protrusion(11) and a receiving groove(12) in which the insertion protrusion is received are formed to the inside of the ends of each split-type connection pipe. Joining parts(14) are integrally formed to the outside of the ends of the split-type connection pipes. Bolt holes(13), to join the split-type connection pipes by bolts(20) and nuts(22), are formed in the joining parts. Heater installation grooves(15) are formed to the inside of the split-type connection pipes. Net-type heaters(30) are consecutively installed to the inside of the heater installation grooves, the insertion protrusions, and the receiving grooves. A thin-film sheet(40) is fitted to the inside of the net-type heaters.
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