发明名称 |
VARIABLE-SPEED PIPE BENDING |
摘要 |
A pipe bending apparatus is disclosed for bending pipe sections, particularly pipe sections of the type used in pipelines. The apparatus allows rapid clamping of the pipe section at reduced pressure via hydraulic fluid regeneration, while providing full hydraulic force for pipe section bending.
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申请公布号 |
CA2333801(C) |
申请公布日期 |
2009.04.21 |
申请号 |
CA20012333801 |
申请日期 |
2001.01.31 |
申请人 |
CRC-EVANS PIPELINE INTERNATIONAL, INC. |
发明人 |
PARKER, BILLY J. |
分类号 |
B21D7/00;B21D7/06;B21D11/00 |
主分类号 |
B21D7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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