发明名称 APPARATUS AND METHOD FOR MANUFACTURING BARREL COIL SPRING
摘要 <p>An apparatus and method for manufacturing a barrel coil spring make it possible to coil opposite sides of a spring material at the same time so as to considerably reduce manufacturing processing, thereby remarkably reducing the time required to manufacture the coil barrel spring, thus improving productivity.</p>
申请公布号 WO2009082059(A1) 申请公布日期 2009.07.02
申请号 WO2008KR01512 申请日期 2008.03.18
申请人 DAEWON KANG UP CO., LTD.;JUNG, CHAN-GI;HONG, SOON-SAM 发明人 JUNG, CHAN-GI;HONG, SOON-SAM
分类号 B21F35/02 主分类号 B21F35/02
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