| 摘要 |
PROBLEM TO BE SOLVED: To separate the connection part of a hose even if a worker does not enter a tunnel after the tunnel is completed in a detachable injector. SOLUTION: This detachable injector comprises a pipe joint member 13 partially projected to the inside of a driving hose and having a base end part connected to a hose member 14 and a tip part releasably connected to a delivery part 11, a pipe joint support 15 supporting the pipe joint member 13 from the inside of the driving pipe, a plurality of fixed flanges 16 for fixing the pipe joint support 15 to a driving pipe side connection part, having U-shaped cutout parts, and fixed to the driving pipe side connection part through a fastening member inserted into the U-shaped cutout parts, and a wire member 17 connected to the pipe joint support 15 and releasing the pipe joint support 15 from the driving pipe through the U-shaped cutout parts by pulling out the wire member 17 to one end part of the driving pipe. COPYRIGHT: (C)2006,JPO&NCIPI
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