Metal founding – Process – Shaping liquid metal against a forming surface
Reexamination Certificate
2011-06-28
2011-06-28
Kim, John (Department: 1777)
Metal founding
Process
Shaping liquid metal against a forming surface
C164S131000, C164S358000, C164S527000
Reexamination Certificate
active
07967053
ABSTRACT:
This invention relates to filters made from a refractory material, preferably an insulating material, and chemical binder. The filters are used in the foundry industry to filter molten metal. The invention also relates to a process for preparing the filters.
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Aufderheide Ronald C.
Showman Ralph E.
ASK Chemicals L.P.
Kim John
Stanley Law Group LLP
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