US PATENT SUBCLASS 164 / 237
.~.~ Including flask member

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

159  DF  MEANS TO SHAPE A FORMING SURFACE {8}
235  DF  .~ Pattern {6}
237.~.~ Including flask member {2}
238  DF  .~.~.~> Pattern or pattern holding member supported by aperture in flask or flask member
239  DF  .~.~.~> Pattern plate {1}

DEFINITION

Classification: 164/237

(under subclass 235) Apparatus in combination with a

container or box without top and without fixed bottom for confining mold material in which the same is being shaped.

(1) Note. The flask may either consist of (1) the cope, (2) the drag or (3) the cope and drag.