发明名称 A TEMPORARY WATERWAY DEVICE, A WATERGATE DEVICE, A FIXING DEVICE, AND METHOD OF REPAIRING A SEWER PIPE USING THE SAME
摘要 PURPOSE: A temporary sewer pipe, an opening and closing device of a pipe, a fixing device of a pipe, and a repair method of a sewer pipe using the same are provided to efficiently repair a sewer pipe without environmental contamination. CONSTITUTION: A repair method of a sewer pipe is as follows. A sewage flow path is changed by installing a bypass pipe(150) in the construction section of a sewer pipe using pipe opening and closing devices(300a,300b,300c,300d) and a temporary sewer pipe. A repair work is performed on the construction section of the sewer pipe. The sewage flow path is restored using the pipe opening and closing devices and the temporary sewer pipe, and the bypass pipe installed in the sewer pipe is dismantled.
申请公布号 KR101136946(B1) 申请公布日期 2012.04.19
申请号 KR20110060255 申请日期 2011.06.21
申请人 SEO, CHANG GI 发明人 SEO, CHANG GI
分类号 F16L55/28;E03F7/00;F16L55/162;F16L55/18 主分类号 F16L55/28
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