US PATENT SUBCLASS 72 / 232
.~.~ Including one roller common to two roller-couples (e.g., three-high mill)


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}
226  DF  .~ Plural roller-couples (e.g., successively or optionally usable) {3}
232.~.~ Including one roller common to two roller-couples (e.g., three-high mill) {1}
233  DF  .~.~.~> Including roller shiftable between successive passes of work


DEFINITION

Classification: 72/232

Including one roller, common to two roller couples (e.g., three-high mill):

(under subclass 226) Subject matter wherein a particular roller cooperates with one roller to comprise one roller couple and/or cooperates with another roller to comprise another roller couple.

(1) Note. Included in this subclass are patents generally referred to as "three-high mills".

SEE OR SEARCH THIS CLASS, SUBCLASS:

223, for similar structure wherein a first-acting work-engaging area is axially spaced from a second-acting area along one of the roller.