发明名称 |
SIZING MILL FOR STEEL TUBE |
摘要 |
PROBLEM TO BE SOLVED: To provide a sizing mill for seamless steel tubes by the Mannesmann piercing method which has both high productivity and economic performances. SOLUTION: In the sizing mill for seamless steel tubes, an unadjustable 3-roll stretch reducer mill and an adjustable 2-roll sizing mill are arranged in series.
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申请公布号 |
JP2001347304(A) |
申请公布日期 |
2001.12.18 |
申请号 |
JP20000173113 |
申请日期 |
2000.06.09 |
申请人 |
SANYO SPECIAL STEEL CO LTD |
发明人 |
NAKAMURA HIROSHI |
分类号 |
B21B23/00;B21B17/14;B21B27/02;(IPC1-7):B21B23/00 |
主分类号 |
B21B23/00 |
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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