| 发明名称 |
Profile formation |
| 摘要 |
A method of forming a profile (10) in a section of tubing (12) comprises: providing an expander device (14) having at least one radially extendable expander member (22); positioning the device (14) at a predetermined location in the tubing (12); and extending the member (22) to deform the tubing (12) to create a profile (10).
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| 申请公布号 |
US6446323(B1) |
申请公布日期 |
2002.09.10 |
| 申请号 |
US19990470176 |
申请日期 |
1999.12.22 |
| 申请人 |
WEATHERFORD/LAMB, INC. |
发明人 |
METCALFE PAUL DAVID;SIMPSON NEIL ANDREW ABERCROMBIE |
| 分类号 |
B21D17/04;B21D39/04;B21D39/10;B21D41/02;E21B7/00;E21B7/20;E21B19/16;E21B23/00;E21B23/02;E21B23/04;E21B29/00;E21B29/10;E21B33/10;E21B33/13;E21B33/138;E21B33/16;E21B43/08;E21B43/10;(IPC1-7):B21D39/04 |
主分类号 |
B21D17/04 |
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