公开(公告)号：US3893917A

公开(公告)日：1975-07-08

申请号：US43022974

申请日：1974-01-02

Applicant: ALUSUISSE

Inventor： PRYOR MICHAEL J ,  GRAY THOMAS J

IPC: B01D39/20 ,  C22B9/02 ,  C22B21/06 ,  B01D23/02

CPC classification number: B01D39/2093 ,  C22B9/023 ,  C22B21/066 ,  Y02P10/234

Abstract: The present invention resides in an improved molten metal filter and a method of preparing same and a method of filtering molten metal therethrough. The filter is an open cell ceramic foam material having a plurality of interconnected voids surrounded by a web of said ceramic.

Abstract translation: 本发明涉及一种改进的熔融金属过滤器及其制备方法以及通过其过滤熔融金属的方法。 该过滤器是一种开孔陶瓷泡沫材料，其具有由所述陶瓷的腹板包围的多个相互连接的空隙。