发明名称 Device for displacing a pipe etc
摘要 A device for engaging an elongate article, such as a pipe or cable, for displacing the article longitudinally, comprises a tubular body formed of a plurality of longitudinal parts arranged to be opened apart and then closed together around the elongate article, and at least one collar formed of a plurality of parts carried by respective parts of the tubular body. The collar has a radially inner surface to form an interference engagement with the outer surface of the article, and a radially outer surface to engage the inner surface of the tubular body. The outer surface of the collar and/or the inner surface of the tubular body is tapered towards the trailing end of the device.
申请公布号 US6471268(B1) 申请公布日期 2002.10.29
申请号 US20000551055 申请日期 2000.04.18
申请人 STENSTROM PETER JOHN;KING GARETH 发明人 STENSTROM PETER JOHN;KING GARETH
分类号 B25B9/00;B65H75/44;F16G11/04;F16L1/06;(IPC1-7):B63B21/20;B66C1/42 主分类号 B25B9/00
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