发明名称 Riser repair assembly for underground irrigation systems
摘要 A repair assembly for broken or leaking risers in underground irrigation systems is provided. The repair assembly is adapted to be inserted into a hole through the wall of a buried water distribution line and is held in place by locking tangs engaging the interior surface of the distribution line and by a locking ring flange disposed about the exterior of the assembly and bearing on the exterior wall of the distribution line.
申请公布号 US4576400(A) 申请公布日期 1986.03.18
申请号 US19840578978 申请日期 1984.02.10
申请人 ALLRED, VON D.;HARMON, DON B. 发明人 ALLRED, VON D.;HARMON, DON B.
分类号 F16L55/179;F16L55/18;(IPC1-7):F16L19/00 主分类号 F16L55/179
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