发明名称 |
Rolling mill |
摘要 |
Work rolls opposed to each other have shafts rotatably supported by upper and lower work roll chocks of a housing, a screw down device for applying a predetermined pressure to the upper work roll is provided in an upper portion of the housing, screw mechanisms capable of thrusting the work roll chocks in a horizontal direction are provided on an entry side or a delivery side of the housing, hydraulic cylinder mechanisms capable of thrusting the work roll chocks in the horizontal direction are provided on the other side, and contraction portions are provided in hydraulic supply and discharge pipes of the hydraulic cylinder mechanisms.
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申请公布号 |
US6510721(B1) |
申请公布日期 |
2003.01.28 |
申请号 |
US20010807269 |
申请日期 |
2001.06.11 |
申请人 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
发明人 |
YAMAMOTO MIKIO;HIGASHIO ATSUSHI;FURUMOTO HIDEAKI;MORIHIRA NAOKI;HAYASHI KANJI;YOSHIDA MITSUHIRO;MORIMOTO KAZUO |
分类号 |
B21B31/02;B21B13/02;B21B13/14;B21B31/20;B21B31/22;B21B31/24;B21B31/30;B21B31/32;B21B37/00;(IPC1-7):B21B31/07 |
主分类号 |
B21B31/02 |
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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