发明名称 Float for pipes for washing loose material such as sand and gravel
摘要 The float (1) is joined or welded to a rinsing pipe (2) which is divided from the middle into equal lengths, with a replaceable wear pipe. The float can also be joined in two parts to the rinsing pipe and is made of plastic or rigid foam. The start of the pipe has a flange with a smooth surface in which is an O ring.
申请公布号 DE19806676(A1) 申请公布日期 1999.04.22
申请号 DE19981006676 申请日期 1998.02.18
申请人 SCHNELL, LUDWIG, 18109 ROSTOCK, DE 发明人 SCHNELL, LUDWIG, 18109 ROSTOCK, DE
分类号 E02F3/90;E02F7/10;(IPC1-7):F16L1/20 主分类号 E02F3/90
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