发明名称 Coupler for an irrigation system
摘要 A coupler for an irrigation system for delivering liquid to the irrigation system from a pressurized pipe line extending along the field to be irrigated. The coupler connects and disconnects to risers or connectors spaced along the pipe line for operating valves associated with the risers for delivering liquid from first one riser and then another for irrigating the field.
申请公布号 US4413783(A) 申请公布日期 1983.11.08
申请号 US19810279771 申请日期 1981.07.02
申请人 VALMONT INDUSTRIES, INC. 发明人 OSTROM, CARL R.;THEILEN, DENNIS R.
分类号 A01G25/09;(IPC1-7):B05B3/00 主分类号 A01G25/09
代理机构 代理人
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