Metal founding – Means to shape metallic material – United particle type shaping surface
Patent
1997-01-16
1999-03-30
Ryan, Patrick
Metal founding
Means to shape metallic material
United particle type shaping surface
164358, 164349, B22C 902, B22C 908
Patent
active
058876464
ABSTRACT:
A portable sand mold metal treating system having sand cope and sand drag portions, the treating system being attachable to a sand mold metal casting system. The treating system comprises (a) a sand cope portion and a sand drag portion mateable at one or more parting planes, the cope portion containing a tapered entry sprue which extends to the parting plane and contains a slag chamber lying along the parting plane, the drag containing a runner that communicates with the bottom of the slag trap lying along the parting plane, the drag portion containing a sprue well, a reaction chamber having its top lying in the parting plane and overlapping the slag trap to be open thereto, a runner that provides a path for metal flow between the sprue well and one side of the reaction chamber; (b) a mixing channel in the drag portion communicating with an opposite side of the bottom of the slag trap; (c) a tapered secondary sprue extending from the mixing channel to an exterior side of the system to define an outlet port at a level below the reaction chamber; and (d) a flow choke in the secondary sprue for restricting the flow of metal from the mixing channel to ensure adequate mixing and homogenization of the treated metal therein.
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Evans Walter
Terner Leslie
Tibaudo Frank
Ford Global Technologies Inc.
Lin I.-H.
Malleck Joseph W.
Ryan Patrick
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