| 摘要 |
1,068,110. Drawing, making drums. FELDM HLE A.G. Dec. 31, 1965 [Dec. 31, 1964], No. 55449/65. Headings B3A and B3P. A wire-drawing cone comprises a plurality of drawing rings 2 made of aluminium oxide or glass embedded in a supporting body made of a synthetic material such as an epoxide resin, polyester, polyurethane, modified phenolic resin, silicone resin or synthetic rubber. The supporting body may have reinforcing inserts of steel, woven fabric or glass-fibre and a reinforcing bush 6. The drawing rings have edge flanges 3, 4 which increase the area in contact with the supporting body and act as wire guides. |
