| 发明名称 |
METHOD FOR CONTINUOUSLY MANUFACTURING METAL TUBE WELDED IN LONGITUDINAL DIRECTION |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a metal tube which can reduce not only an outer diameter but also a thickness of a wall without a problem in the step to be conducted later after the long metal tube is manufactured. <P>SOLUTION: The method for continuously manufacturing the metal tube welded in a longitudinal direction comprises steps of drawing a metal strip from a strip stock, gradually molding the longitudinal strip to a tube not yet closed, and closing the longitudinal strip by brazing or welding. The method further comprises a step of introducing a lubricant to the slit tube not yet closed. <P>COPYRIGHT: (C)2003,JPO</p> |
| 申请公布号 |
JP2003181532(A) |
申请公布日期 |
2003.07.02 |
| 申请号 |
JP20020303984 |
申请日期 |
2002.10.18 |
| 申请人 |
NEXANS |
发明人 |
FROHNE CHRISTIAN;PORCHER KLAUS |
| 分类号 |
B21C1/22;B21C9/02;B21C37/08;B23K1/16;B23K26/00;B23K26/20;B23K101/06;B23K103/04;(IPC1-7):B21C37/08 |
主分类号 |
B21C1/22 |
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代理人 |
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