发明名称 MULTIISTAGE ROLLING MILL
摘要 PURPOSE:To provide a multi-stage rolling mill with a sufficient mill stiffness, a high accuracy, and a good workability in which an upper half group of rolls are held into and supported with an outer housing and lower half group of rolls are held into and supported with a lower housing, while the lower housing is held into the outer housing.
申请公布号 JPS541259(A) 申请公布日期 1979.01.08
申请号 JP19770065784 申请日期 1977.06.06
申请人 HITACHI LTD 发明人 HATA KAZUTSUNE;KOJIMA TATSUJI
分类号 B21B31/02;B21B13/14 主分类号 B21B31/02
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