发明名称 Plastic tubular objects
摘要 The formation of articles using an elongated strip which has on it a series of longitudinally positioned upstanding ribs to form between them a series of longitudinally positioned channels and including connectors, on the strip spaced apart transversely on the strip whereby the strip can be wound helically to form an elongated object with the connectors interengated along a helical line to lock the strip in object form.
申请公布号 US4209043(A) 申请公布日期 1980.06.24
申请号 US19780950085 申请日期 1978.10.10
申请人 RIB LOC HONG KONG LTD 发明人 MENZEL, JULIAN M
分类号 F16L11/04;B29B11/00;B29C53/00;B29C53/58;B29C53/78;B29C53/80;B29C65/00;B29C65/58;B29D23/00;F16L11/16;(IPC1-7):F16L9/16 主分类号 F16L11/04
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