发明名称 MANUFACTURE METHOD OF METAL SEAL JOINT
摘要 A metal seal connector manufacturing method is provided to reduce the manufacturing time of the metal seal connector. A metal seal connector manufacturing method comprises: a drawing step of drawing a pipe tube having a form of hollow(S1); a cutting step of cutting the pipe tube passing through the drawing step to the specific length(S2); a circumference turning step of turning the circumference of each pipe tube passing through the cutting step(S3); and a polishing step of polishing the inside diameter of the pipe tube going through the circumference turning step(S4).
申请公布号 KR20090024544(A) 申请公布日期 2009.03.09
申请号 KR20070089615 申请日期 2007.09.04
申请人 LOCUS CO., LTD. 发明人 KIM, IL GEUN
分类号 B21D53/00 主分类号 B21D53/00
代理机构 代理人
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