发明名称 Device for monitoring and signalling leaks
摘要 The device for monitoring and reporting leaks in a flexible water pipe with concentric inner and outer pipes (1, 2) comprises longitudinally oriented electric conductors located in the space between the inner and outer pipes. There is at least one conductor which is longer than the pipe.
申请公布号 PL377079(A1) 申请公布日期 2006.03.20
申请号 PL20050377079 申请日期 2005.09.15
申请人 BRUGG ROHR AG, HOLDING 发明人 OESCHGER ALFRED;DEMUTH ROLAND;HOMANN JOERN;BITTNER HERBERT
分类号 G01M3/40;F16L9/12;F17D5/04;G01M3/16;G01M3/18 主分类号 G01M3/40
代理机构 代理人
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