US PATENT SUBCLASS 164 / 358
.~.~ Including apertured strainer means for separating unwanted component from casting material


Current as of: June, 1999
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164 /   HD   METAL FOUNDING

271  DF  MEANS TO SHAPE METALLIC MATERIAL {12}
349  DF  .~ United particle type shaping surface (e.g., sand, etc.) {9}
358.~.~ Including apertured strainer means for separating unwanted component from casting material


DEFINITION

Classification: 164/358

(under subclass 349) Apparatus having apertured filter means for preventing the inclusion of unwanted components, e.g., dross, dirt, oxides, etc., in the cast product.

(1) Note. The strainer element to be included herein must have three or more apertures or openings.

(2) Note. The apertured strainer element may be located in the gate, runner, sprue or riser portions of the mold.

SEE OR SEARCH THIS CLASS, SUBCLASS:

61+, for processes of casting utilizing a vacuum.

134, for processes of casting including the step of separating an unwanted component from the melt.

254+, for casting apparatus having means for applying vacuum directly to the molten casting material. 337, for casting apparatus including a melt receptacle having flow control means intermediate the receptacle and mold.

362, for a sand type shaping surface having nonapertured segregating means for separating unwanted components from the molten cast metal.