Descriptions for B21F and notes/indexes are displayed on this screen.
| B21F
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WORKING OR PROCESSING OF METAL—WIRE (rolling of metal B21B; by drawing, auxiliary operations used in connection with metal-working without essentially removing material B21C; bundling articles B65B 13/00)
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Subclass indexes
WIRE WORKING CHARACTERISED BY OPERATIONS PERFORMED | Bending, straightening; coiling; twisting | 1/00; 3/00; 7/00 | Upsetting, straining | 5/00, 9/00 | Cutting, splitting, connecting | 11/00, 13/00, 15/00 | Articles jacketed or reinforced with wire | 17/00 | Coating of wire | 19/00 | Other treatments | 99/00 | Feeding wire into apparatus | 23/00 | WIRE WORKING CHARACTERISED BY THE PARTICULAR ARTICLES PRODUCED | Barbed wire;network, fencing, wire fabrics | 25/00; 27/00-33/00 | Springs, rings | 35/00, 37/00 | other articles | 39/00-45/00 |
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