US PATENT SUBCLASS 419 / 42
.~.~ Isostatic or Hydrostatic

Current as of: June, 1999
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419 /   HD   POWDER METALLURGY PROCESSES

1  DF  POWDER METALLURGY PROCESSES WITH HEATING OR SINTERING {16}
38  DF  .~ Consolidation of powder prior to sintering {4}
42.~.~ Isostatic or Hydrostatic

DEFINITION

Classification: 419/42

Isostatic or hydrostatic:

(under subclass 38) Processes wherein the powder is compacted uniformly in all directions in a preformed flexible mold immersed in a fluid in a pressure vessel, or wherein the compaction is performed on a hydraulic or hydrostatic press.