US PATENT SUBCLASS 72 / 221
.~ Plural passes spaced along axis of one roller of tool-couple

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


72 /   HD   METAL DEFORMING

199  DF  BY USE OF ROLLER OR ROLLER-LIKE TOOL-ELEMENT {17}
221.~ Plural passes spaced along axis of one roller of tool-couple {2}
222  DF  .~.~> With use of means to displace work laterally into next pass
223  DF  .~.~> Roller common to two tool-couples

DEFINITION

Classification: 72/221

Plural passes spaced along axes of one roller of tool couple:

(under subclass 199) Subject matter including at least two groups of cooperating tool faces, each of which groups operates upon work moving sequentially between the tool-faces of each group, wherein one of the tool-faces of a plurality of such groups constitutes part of the same roller, each tool-face being apart from the other(s) lengthwise of the axis of the roller.

SEE OR SEARCH THIS CLASS, SUBCLASS:

188, for disclosure of axially spaced passes in a flying-tool-couple.