Class B21H : MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
Subclass 1/10: Making articles shaped as bodies of revolution (rolling tubes B21B 17/00-B21B 25/00) rings of restricted axial length (extending closed shapes of metal bands by simultaneous rolling at two or more zones B21B 5/00) rims for pneumatic tyres
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11839912 | Automobile wheel hub shaping device | Sep 12, 19 | Dec 12, 23 | CITIC Dicastal CO., LTD |
| 11759844 | Method and plant for the production of a rim for a wheel of a vehicle | Jun 03, 22 | Sep 19, 23 | Ferrari S.p.A. |
| 11065637 | Spraying tooling of motor vehicle wheel hub | Sep 12, 19 | Jul 20, 21 | CITIC DICASTAL CO., LTD |
| 10919083 | Process for manufacturing aluminum alloy wheel | Jul 03, 18 | Feb 16, 21 | CITIC DICASTAL CO., LTD |
| 10695819 | Spin forming method for rim of cast-spun aluminum alloy hub | Jul 02, 18 | Jun 30, 20 | CITIC Dicastal CO., LTD. |
| 10029342 | Inner-supporting-type online roundness correcting device for semifinished wheel | Dec 28, 16 | Jul 24, 18 | CITIC DICASTAL CO., LTD |
| 9616448 | Wheel spraying device | Mar 20, 15 | Apr 11, 17 | CITIC DICASTAL CO., LTD |
| 5845400 | Method of manufacturing a one end flange-less wheel rim | Jun 02, 97 | Dec 08, 98 | TOPY KOGYO KABUSHIKI KAISHA |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2019/0283,108 | PROCESS FOR MANUFACTURING ALUMINUM ALLOY WHEEL | Jul 03, 18 | Sep 19, 19 | Not available |
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