US PATENT SUBCLASS 164 / 356
.~.~.~.~ Hollow annular center section chill (i.e., ring)

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}
352  DF  .~.~ Including metal chill {2}
353  DF  .~.~.~ As part of shaping surface {3}
356.~.~.~.~ Hollow annular center section chill (i.e., ring)

DEFINITION

Classification: 164/356

(under subclass 353) Apparatus wherein the shaping surface comprises a metal chill which is annular and has a hole which shapes a portion of a product intermediate its ends.

SEE OR SEARCH CLASS

249, Static Molds,

57, for static molds which produce a ring type product.