发明名称 ROLL-FORMING SYSTEM AND METHOD THEREOF
摘要 The present invention relates to a roll-forming system and a method thereof that enables both ends of a panel to be formed attractively by roll-forming the panel after cutting grooves are formed at both ends of the panel by using a blanking press.
申请公布号 US2009165520(A1) 申请公布日期 2009.07.02
申请号 US20080128266 申请日期 2008.05.28
申请人 SUNGWOO HITECH CO., LTD. 发明人 KOO DO-HOI;CHOI SUEK-JUN
分类号 B21D28/00;B21B15/00 主分类号 B21D28/00
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