US PATENT SUBCLASS 419 / 49
.~.~ Hot isostatic pressing (HIP)

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

1  DF  POWDER METALLURGY PROCESSES WITH HEATING OR SINTERING {16}
48  DF  .~ Heat and pressure simultaneously to effect sintering {4}
49.~.~ Hot isostatic pressing (HIP)

DEFINITION

Classification: 419/49

Hot isostatic pressing (hip):

(under subclass 48) Processes in which heat and pressure are simultaneously applied during the sintering step, and the pressure is applied uniformly from all directions.