发明名称 Flow volume adjustment device for irrigation sprinkler heads
摘要 The adjustable arc spray nozzle allows adjustment of the spray arc, the radius, and flow of the water spray provided by the nozzle. The nozzle includes a top member, a base member, and a discharge orifice defined therebetween. A rotatable external upper collar controls the radius of the pattern, an internal helix member controls the arc of the spray pattern, and an internal flow adjustment screw and an optional rotatable external lower collar control the flow of the nozzle.
申请公布号 US2004069867(A1) 申请公布日期 2004.04.15
申请号 US20030664476 申请日期 2003.09.17
申请人 CORDUA PAUL M. 发明人 CORDUA PAUL M.
分类号 B05B1/26;(IPC1-7):B05B1/20 主分类号 B05B1/26
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