发明名称 Drawing pipes
摘要 Pipe drawing machine does not require the use of a clamping block and provides a pair of pipe gripping devices adjacent to the drawing nozzle support. A driving mechanism moves each gripper device of the pair so that successively approaching strands are moved in the same direction along the axis of the drawing nozzle.
申请公布号 DE2016559(A1) 申请公布日期 1970.12.17
申请号 DE19702016559 申请日期 1970.04.07
申请人 发明人
分类号 B21C1/22 主分类号 B21C1/22
代理机构 代理人
主权项
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