Descriptions for B21B and notes/indexes are displayed on this screen.
B21B
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ROLLING OF METAL (auxiliary operations used in connection with metal-working operations covered in B21, seeB21C; bending by rolling B21D; manufacture of particular objects, e.g. screws, wheels, rings, barrels, balls, by rolling B21H; pressure welding by means of a rolling mill B23K 20/04)
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Note(s) In this subclass, the following terms or expressions are used with the meanings indicated:[2]"rolling" means rolling operations in which plastic deformations occur;"continuous process" means a process employing a mill train designed to have the workpiece enter one pair of rolls before leaving the preceding pair
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Subclass indexes
METAL ROLLING IN GENERAL | General methods or apparatus | 1/00, 11/00, 13/00, 15/00 | Control or handling | 35/00, 37/00, 38/00, 39/00, 41/00 | Safety, cooling, maintenance | 28/00, 33/00, 43/00 | Details of rolling mills | 27/00, 29/00, 31/00 | METAL ROLLING UNDER SPECIAL CONDITIONS | 9/00 | AUXILIARY OPERATIONS PERFORMED IN CONNECTION WITH METAL ROLLING | 15/00, 45/00, 47/00 | ROLLING SPECIAL ALLOYS | 3/00 | ROLLING TO PRODUCE PARTICULAR SHAPES | Tubes | rolling methods | 17/00-23/00 | mandrels, accessories | 25/00 | Extending closed shapes | 5/00 | SUBJECT MATTER NOT PROVIDED FOR IN OTHER GROUPS OF THIS SUBCLASS | 99/00 |
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