| 摘要 |
PROBLEM TO BE SOLVED: To increase the degree of freedom of a site location of a leg to concrete slab. SOLUTION: The support 10 of a drainage pipe is provided with a mounting part 11 to the upper connection opening 1a of a drainage pipe joint 1, a support body 13 provided with arms 12, 12 overhanging from the mounting part 11, auxiliary arms 14, 14 supported to be horizontally rotatable to respective arms 12, 12 in a position uplifted from the upper face of the concrete slab 4, and legs 15, 15 extended downward from the respective auxiliary arms 14, 14 and located in the concrete slab 4. COPYRIGHT: (C)2004,JPO&NCIPI
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