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UPPER CATCH BASIN FOR REPLACEMENT AND REPLACING METHOD OF UPPER CATCH BASIN
UPPER CATCH BASIN FOR REPLACEMENT AND REPLACING METHOD OF UPPER CATCH BASIN
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机译：上门面盆的更换及上门面盆的更换方法
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摘要
PROBLEM TO BE SOLVED: To solve the problem of leaking rainwater on a waterproof sheet via a surface layer being water permeable pavement from a meeting part of a catch basin and a floor slab by being intercepted by a wall body of the catch basin, since the meeting part of the catch basin and the floor slab is not always watertight, only by replacing an upper basin corresponding to this part, by cutting the upper part of the catch basin.;SOLUTION: This upper catch basin for replacement is composed of the upper basin for forming a drain window over an upper part from an edge part of a drain guiding piece in a wall body for forming the drain guiding piece, a perforated plate of the upper basin or the perforated plate or a screen placed in a screen placing part, and is provided for forming the drain guiding piece projected outside along a lower part of the wall body, and forming the perforated plate or the screen placing part inside. Since the waterproof sheet can be laid up to an inside edge part of the drain guiding piece from a floor slab upper surface by using this upper catch basin, water leakage from the meeting part of the floor slab and the catch basin can be prevented.;COPYRIGHT: (C)2006,JPO&NCIPI
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