发明名称 MULTIPLE CENTER STRAIGHTENER
摘要 An apparatus for straightening structural sections such as beams including means for supporting the straightening rolls at a plurality of possible centers to provide a minimum intermediate and maximum fixed center settings. The machine is also adapted to permit the removal of the roll supporting structure to permit a rapid roll changing operation.
申请公布号 US3648505(A) 申请公布日期 1972.03.14
申请号 USD3648505 申请日期 1970.08.05
申请人 BLAW-KNOX FOUNDRY & MILL MACHINERY INC. 发明人 WERNER W. EIBE;RICHARD KOTLER
分类号 B21D3/05;(IPC1-7):B21D3/02 主分类号 B21D3/05
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