发明名称 Process for heading pipe ends and device for implementing it
摘要 PCT No. PCT/DE95/01423 Sec. 371 Date Jun. 17, 1997 Sec. 102(e) Date Jun. 17, 1997 PCT Filed Oct. 13, 1995 PCT Pub. No. WO96/12578 PCT Pub. Date May 2, 1996The present invention is a novel device and method of shaping an end of a pipe. One end of a pipe is inserted into a shaped die in such a way that the outer surface of the pipe rests against the interior portion of the die. A piston is then inserted into the pipe in such a way that the outer surface of the piston rests against the interior surface of the pipe. The piston is then forcibly driven into the die against the pipe as to forcibly shape the pipe to a predetermined configuration. The present invention also discloses numerous embodiments to shape a pipe.
申请公布号 US5956988(A) 申请公布日期 1999.09.28
申请号 US19970817416 申请日期 1997.06.17
申请人 AUDI AG AND FAHRZEUGWERK WERDAU 发明人 BESTE, ANDREAS;LIPOWSKY, HANSJORG;OSWALD, JURGEN;JANSSEN, MANFRED
分类号 B21D41/02;B21D26/02;B21J5/08;B21K21/12;F16L13/14;(IPC1-7):B21D31/00 主分类号 B21D41/02
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