US PATENT SUBCLASS 29 / 526.5
.~.~.~ From center of ingot to leave hollow blank


Current as of: June, 1999
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29 /   HD   METAL WORKING

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
526.2  DF  .~ With separating, localizing, or eliminating of as-cast defects from a metal casting (e.g., anti-pipe) {2}
526.4  DF  .~.~ Removing defects {2}
526.5.~.~.~ From center of ingot to leave hollow blank


DEFINITION

Classification: 29/526.5

From center of ingot to leave hollow blank:

(under subclass 526.4) Process in which the unsound portion of the ingot is located in its midportion, and the removal of this portion shapes the ingot into a tube.