发明名称 Metal Product Having Internal Space And Method of Manufacturing The Same
摘要 PURPOSE: A metal product having an internal space and a method for manufacturing the same are provided to easily form a complex shape of internal space and improve cooling efficiency. CONSTITUTION: A metal product having an internal space comprises a metal product body(110) formed with a first space(111) therein, a space forming member(120) which is installed in the metal product body and formed with a second space(125) connected to the first space, and a finishing part(130) which covers the space forming member installed in the metal product body.
申请公布号 KR20120122275(A) 申请公布日期 2012.11.07
申请号 KR20110040335 申请日期 2011.04.28
申请人 发明人
分类号 B21D37/20;B22F7/00;B23P15/24;B23P23/04 主分类号 B21D37/20
代理机构 代理人
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