发明名称 Machine for cleaning drainage systems has pump vehicles to feed water to cleaning hose and extract soiled water
摘要 The machine for cleaning drainage systems has a standard water injection pump drive (18) connected to a flexible hose (26) of greater than one hundred meter length. The hose has a discharge nozzle operating at more than 120 bar. A second pump assembly (19) is used to extract the soiled water from the drain.
申请公布号 FR2830470(A1) 申请公布日期 2003.04.11
申请号 FR20020001384 申请日期 2002.02.06
申请人 HYDROLOG 发明人 BUREAU LIONEL;SCHWAB ERIC
分类号 B08B9/04;B08B9/053;E03F9/00;(IPC1-7):B08B9/053;B08B9/032;B08B3/10 主分类号 B08B9/04
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