US PATENT SUBCLASS 72 / 176
.~ By use of deflector arranged to bend work transversely of direction of work movement (e.g., troughing)

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.~ By use of deflector arranged to bend work transversely of direction of work movement (e.g., troughing) {4}
177  DF  .~.~> With deforming of work or product (other than bending transversely)
178  DF  .~.~> Including roller-cluster
179  DF  .~.~> Including complementary roller-couple {2}
182  DF  .~.~> Including roller-couple

DEFINITION

Classification: 72/176

By use of deflector arranged to bend work transversely of direction of work movement (e.g., troughing):

(under subclass 127) Subject matter comprising an instrumentality which functions to divert work in conformance with the limitations expressed in paragraph (b) of the definition of subclass 127.

(1) Note. See the definition of axis-of-bend, and Figure III-5 therein, for further discussion and illustration of one of the products formed by the structure of this and indented

subclasses.

(2) Note. In accordance with (5) Note under the definition of subclass 127, bending caused by, or accompanied by a reduction in the cross-sectional area of a workpiece is not to be found in this or indented subclasses.

SEE OR SEARCH CLASS

228, Metal Fusion Bonding,

147, for a method of making a tube by skelping it and welding the tube seam.