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