Method for heat-treating of hot rolled rods
Abstract
Abstract HEAT TREATMENT OF HOT ROLLED WIRE ROD TO PROVIDE A MICROSTRUCTURE OF IMPROVED DUCTILITY AND COLD WORKING PROPERTIES TO PERMIT THE ROD TO BE DRAWN WITHOUT FURTHER HEAT TREATMENT BY IMMERSING THE WIRE ROD, WHILE THE HOT ROLLED ROD IS AT A TEMPERATURE LEVEL ABOVE THE TEMPERATURE AT WHICH ALLOTROPIC TRANSFORMATION OF THE AUSTENITE COMMENCES, INTO A HEATED WATER BATH OF SUFFICIENT TEMEPRATURE LEVEL TO PERMIT THE GENERATION OF A STEAM ENVELOPE AND FILM UNIFORMLY AROUND AND ON THE SURFACE OF THE ROD TO CONTROL THE STABILITY AND PERIOD OF MAINTENANCE OF THE STEAM FILM ON THE SURFACE OF THE WIRE ROD. THE HEATED WIRE ROD TO BE TREATED IS CONTINUOUSLY FED BY A COILER DOWN INTO A CONTAINER WITHIN WHICH THE WATER BATH IS DISPOSED, THE COILER CAUSING THE WIRE ROD TO FORM INTO A CONCENTRIC COILED BUNDLE.
Inventors
- 👤 Keinosuke Takeo
- 👤 Kazuo Kosugi
- 👤 Tadaoki Kamise
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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| 3.5 Years (Year 4) | 1975-06-13 | 1975-12-13 | 1976-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-13 | 1979-12-13 | 1980-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-13 | 1983-12-13 | 1984-06-13 | $7700.00 | Window Closed / Lapsed |