发明名称 Single-strand barbed wire with rolled-on - barbs
摘要 <p>Production apparatus comprises a pair of wire shaping rolls, devices for intermittently driving the rolls through a precise number of degrees to advance and shape the main wire between the rolls, and devices for rolling barbs onto the main wire. The main wire is positively engaged continually by the rolls, so that it is advanced and positioned with presicion with regard to the barb rolling devices.</p>
申请公布号 CH512944(A) 申请公布日期 1971.09.30
申请号 CH19680017583 申请日期 1968.11.26
申请人 AMERICAN ENGINEERING COMPANY, LIMITED 发明人 DONCHE-GAY,PIERRE
分类号 B21F25/00;(IPC1-7):B21F25/00 主分类号 B21F25/00
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