US PATENT SUBCLASS 72 / 181
.~.~.~ Including plural, successively-acting roller-couples

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

127  DF  BY DEFLECTING SUCCESSIVELY-PRESENTED PORTIONS OF WORK DURING BODILY MOVEMENT THEREOF (E.G., FOR COILING, LEVELLING, CURVING OR TROUGHING MATERIAL IN MOVEMENT) {11}
176  DF  .~ By use of deflector arranged to bend work transversely of direction of work movement (e.g., troughing) {4}
179  DF  .~.~ Including complementary roller-couple {2}
181.~.~.~ Including plural, successively-acting roller-couples

DEFINITION

Classification: 72/181

Including plural successively acting roller couples:

(under subclass 179) Subject matter wherein two or more roller couples*, at least one of which is a complementary roller-couple, are positioned so that serially consecutive work portions are sequentially engaged by said roller-couples.

SEE OR SEARCH THIS CLASS, SUBCLASS:

234+, for a similar arrangement of plural roller-couples.