发明名称 Apparatus and method for forming an elongated article
摘要 An Apparatus and method for forming elongated metal articles includes one or more rotating dies ( 1 ) each provided with an indentation ( 3 ). The indentation (track) is shaped so as to be complementary to the actual final shape of the resulting articles, and the dies ( 1 ) are designed and adapted to ensure/allow three rotational degrees of freedom under deformation by rotation of the dies.
申请公布号 US7089773(B2) 申请公布日期 2006.08.15
申请号 US20030344045 申请日期 2003.07.21
申请人 NORSK HYDRO ASA 发明人 PAULSEN FRODE;ROEE SIGMUND
分类号 B21D7/00 主分类号 B21D7/00
代理机构 代理人
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