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公开(公告)号：US10577715B2
公开(公告)日：2020-03-03
申请号：US15962293
申请日：2018-04-25
Applicant: York Innovators Group, LLC
Inventor： John E. Hoffman, Jr. , Richard A. Hoffman, Sr.
Abstract: A foundry mixture for making molds used for molding cast metal parts includes foundry sand, a non-aqueous binder, and a cleaning agent that includes calcium oxide. Residual foundry mixture remaining on the cast part after removal from the mold is removed by electrolytic cleaning of the cast part.
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