US PATENT SUBCLASS 164 / 366
.~.~.~.~ Having embedded sand reinforcing, aligning, or supporting component

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}
364  DF  .~.~ Comprised of separable parts {1}
365  DF  .~.~.~ Including a core {2}
366.~.~.~.~ Having embedded sand reinforcing, aligning, or supporting component {1}
367  DF  .~.~.~.~.~> Hollow component

DEFINITION

Classification: 164/366

(under subclass 365) Apparatus wherein the core contains and at least partially surrounds an element which aids in strengthening or holding the core, sand or aids in positioning the core relative to a mold.

SEE OR SEARCH THIS CLASS, SUBCLASS:

379+, for flasks having means to reinforce or retain mold sand.

397+, for core centering or supporting means, per se.