| 摘要 |
PROBLEM TO BE SOLVED: To slope a connecting pipe connecting a washstand to a building pipe to prevent water from remaining in the pipe, thus prevents the clogging of the pipe. SOLUTION: A drain pipe connection structure for a washstand includes a washstand having a drain port, a horizontal pipe connected to the drain port of the washstand, a building pipe, and a connecting pipe connecting the horizontal pipe to the building pipe. The connecting pipe is provided with a pipe connection having a slip-on fitting structure, which is disposed on a sloped portion having a slope factor of 1/50 or higher. COPYRIGHT: (C)2011,JPO&INPIT |
