US PATENT SUBCLASS 72 / 243.2
.~.~.~ Including reaction roll

Current as of: June, 1999
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72 /   HD   METAL DEFORMING

199  DF  BY USE OF ROLLER OR ROLLER-LIKE TOOL-ELEMENT {17}
237  DF  .~ With carrier for roller-couple or tool-couple {9}
241.2  DF  .~.~ Including back-up for roller {4}
243.2.~.~.~ Including reaction roll {1}
243.4  DF  .~.~.~.~> Equal size pair of reaction rolls

DEFINITION

Classification: 72/243.2

Including reaction roll:

(under subclass 241.2) Subject matter wherein the deforming roller supporting means includes a roller for engaging the deforming roller and preventing the deforming roller from moving in a direction normal to the roller axis and parallel to the surface of the workpiece being deformed thereby.