US PATENT SUBCLASS 164 / 171
.~.~.~ Utilizing contiguous or independent diaphragms

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

159  DF  MEANS TO SHAPE A FORMING SURFACE {8}
169  DF  .~ Including means for compacting particulate fluent mold materials {12}
170  DF  .~.~ Flexible or deformable pressure means {1}
171.~.~.~ Utilizing contiguous or independent diaphragms

DEFINITION

Classification: 164/171

(under subclass 170) Apparatus directed to utilizing plural contiguous or plural independent diaphragms members.