发明名称 Strip bending appts - having bending rollers journalled to a rotatable drum support
摘要 <p>Appts. for bending and flexing metal stock comprises a drum support having a pair of spaced end members rotatably mounted in a frame. Truss members support and connect the end members. A pair of bending rolls are journalled in both end members being displaced on each side of the drum support rotational axis. A drive is connected to the end members to drive them and in turn rotate the drum support. Another drive is disposed on the rotational axis of the drum support to rotate the bending rolls.</p>
申请公布号 FR2160755(A1) 申请公布日期 1973.07.06
申请号 FR19710042372 申请日期 1971.11.26
申请人 FJ LITTELL MACHINE CO 发明人
分类号 B21D1/02;B21D1/05;(IPC1-7):21D11/00;21D7/00 主分类号 B21D1/02
代理机构 代理人
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