| 摘要 |
PROBLEM TO BE SOLVED: To provide a cover for piping easily mounted and removed while reducing working man-hours. SOLUTION: An inner cylinder part 13 of the cover 10 for piping is fitted to the inner periphery of the piping 30. An engaging bolt 14 mounted to an outer cylinder part 11 is projected into a recessed step part 41 formed at the outer peripheral surface on the opening side of the piping 30, and the tip part of the engaging bolt 14 is allowed to abut on a sidewall of the recessed step part 41 on the opening side of the piping 30. COPYRIGHT: (C)2007,JPO&INPIT
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