| 摘要 |
PROBLEM TO BE SOLVED: To provide a mounting method which enables a lid to be properly mounted in an operation opening of a waterproof pan on a job site without shifting piping in accordance with a rising position of the rising piping. SOLUTION: After the installation of the waterproof pan 2 for the bathtub, a position of the piping 4 rising in the operation opening 2b, which is formed in the waterproof pan 2, is measured; a piping hole 7 for making the piping 4 pass through a lid body 5 is drilled in accordance with the measured position; the packing 14, a rubber tube 8, a female screw flange 9, a male-female screw flange 10 and a male screw flange 11 are attached to the bored piping hole 7; and the lid body 5 is fixed to the operation opening 2b of the waterproof pan 2 in a covering manner while the piping 4 is passed through the inside of the rubber tube 8. COPYRIGHT: (C)2009,JPO&INPIT
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