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公开(公告)号:US11241732B2
公开(公告)日:2022-02-08
申请号:US16696630
申请日:2019-11-26
发明人: Yoon-Ki Lee , Hyung-Sop Yoon , Cheol-Ung Lee , Jae-Gi Sim , Jun Bak , Sang-Muk Park , Sung-Chun Jang , Jin-Hee Lee , Young-Han No , Young-Jae Do
摘要: A method of casting a casting product having tubular flow passages includes: attaching a cast-in pipe insert, having outer and inner fixing members to which both ends of pipes are coupled, respectively, to a fixed mold; assembling a movable mold with the fixed mold; injecting a molten metal into a cavity defined inside the fixed and movable molds; ejecting a casting product from the assembled molds after injecting the molten metal; and removing the outer and inner fixing members from the casting product.