US PATENT SUBCLASS 164 / 169
.~ Including means for compacting particulate fluent mold materials

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

159  DF  MEANS TO SHAPE A FORMING SURFACE {8}
169.~ Including means for compacting particulate fluent mold materials {12}
170  DF  .~.~> Flexible or deformable pressure means {1}
172  DF  .~.~> Plural rammers {1}
174  DF  .~.~> By die expressing
175  DF  .~.~> By centrifugal means
176  DF  .~.~> Pipe mold type forming means {1}
180  DF  .~.~> Having means for withdrawing forming surface from shaping means {8}
192  DF  .~.~> Including means for feeding material by gravity {2}
195  DF  .~.~> Diverse means for applying pressure forces {1}
198  DF  .~.~> Sand slinger type compactor {1}
200  DF  .~.~> Blow type compactor {2}
203  DF  .~.~> By vibrating means (e.g., jarring, jolting, etc.) {3}
207  DF  .~.~> Press type compactor {5}

DEFINITION

Classification: 164/169

(under subclass 159) Apparatus wherein the mold shaping operation is performed by pressure means which function to ram pack or compress the mold material.

SEE OR SEARCH CLASS

100, Presses, appropriate subclasses, for presses.

425, Plastic Article or Earthenware Shaping or Treating: Apparatus, appropriate subclasses for means for shaping plastic or fluent material, especially

376.1+, for an extrusion molding machine, subclasses 406+ for a press molding machine, and subclasses 425+ for the combination of a female mold and a tamper or vibrator; see the search notes thereunder.