US PATENT SUBCLASS 83 / 19
.~.~.~ By compressing

Current as of: June, 1999
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83 /   HD   CUTTING

13  DF  PROCESSES {17}
14  DF  .~ With preparatory or simultaneous ancillary treatment of work {3}
17  DF  .~.~ By distorting within elastic limit {3}
19.~.~.~ By compressing

DEFINITION

Classification: 83/19

(under subclass 17) Process which includes a step of subjecting the work to forces directed toward each other, which forces density, reduces the volume, or reduces a dimension of the work.