发明名称 Two piece extruded hose
摘要 A flexible hose and method for making same, suitable for cleaning swimming pools and general vacuum applications, having contiguous turns of an extruded helical plastic bead. The strip has thin flange and leg members for receiving the bead that provide excellent crush resistant strength in I-beam fashion while providing a high degree of flexibility.
申请公布号 US4375381(A) 申请公布日期 1983.03.01
申请号 US19810305968 申请日期 1981.09.28
申请人 STEWARD PLASTICS, INC. 发明人 CARLSON, LENNART L.;HOIBERG, DOUGLAS I.
分类号 F16L11/16;(IPC1-7):B65H81/00 主分类号 F16L11/16
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