发明名称 Method and apparatus for positioning a pipe
摘要 A method and apparatus for countering the rotation of a striped pipe during extrusion is provided. A sensor for detecting the stripe sends a signal to a pipe rotating means which, in response to the signal, rotates the pipe to correct any turning occurring during extrusion, forming and cooling of the pipe.
申请公布号 US5431866(A) 申请公布日期 1995.07.11
申请号 US19940187943 申请日期 1994.01.27
申请人 PHILLIPS PETROLEUM COMPANY 发明人 DEMASTERS, JIMMIE G.;FEARS, LEONARD A.
分类号 B29C47/04;B29C47/92;(IPC1-7):B29C47/04 主分类号 B29C47/04
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