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A system for preheating dies in-situ for preheating both upper and lower dies in-situ without damaging the surface of the dies comprising heating means of predetermined design matching the profile of the dies and having a heating ring adapted to preheat both said upper and lower dies, plurality of hole in the heating means for inleting gas into the heating ring and control means for regulating the flow of gas into the heating ring. The system is particularly effective for preheating the upper and lower dies in-situ in close die wheel forging and also as other areas of use such as preheating of large shafts, rolls, etc. for efficient weld deposition and for preheating the other similar dies which cannot be easily taken out to preheat any closed chamber. The system can be adopted in any closed die forging industry for preheating of dies to reduce the tool consumption.
Notices, Deadlines & Correspondence
Patent Information
Applicants
STEEL AUTHORITY OF INDIA LIMITED
Inventors
1. JAIN DINESH KUMAR
2. JHA SAMIR KUMAR
3. ROY BASUDEO
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 187-cal-2000-granted-specification.pdf | 2011-10-06 |
| 2 | 187-cal-2000-granted-reply to examination report.pdf | 2011-10-06 |
| 3 | 187-cal-2000-granted-pa.pdf | 2011-10-06 |
| 4 | 187-cal-2000-granted-letter patent.pdf | 2011-10-06 |
| 5 | 187-cal-2000-granted-form 3.pdf | 2011-10-06 |
| 6 | 187-cal-2000-granted-form 2.pdf | 2011-10-06 |
| 7 | 187-cal-2000-granted-form 19.pdf | 2011-10-06 |
| 8 | 187-cal-2000-granted-form 1.pdf | 2011-10-06 |
| 9 | 187-cal-2000-granted-examination report.pdf | 2011-10-06 |
| 10 | 187-cal-2000-granted-drawings.pdf | 2011-10-06 |
| 11 | 187-cal-2000-granted-description (complete).pdf | 2011-10-06 |
| 12 | 187-cal-2000-granted-correspondence.pdf | 2011-10-06 |
| 13 | 187-cal-2000-granted-claims.pdf | 2011-10-06 |
| 14 | 187-cal-2000-granted-abstract.pdf | 2011-10-06 |
| 15 | 00187-cal-2000-p.a.pdf | 2011-10-06 |
| 16 | 00187-cal-2000-form-3.pdf | 2011-10-06 |
| 17 | 00187-cal-2000-form-2.pdf | 2011-10-06 |
| 18 | 00187-cal-2000-form-18.pdf | 2011-10-06 |
| 19 | 00187-cal-2000-form-1.pdf | 2011-10-06 |
| 20 | 00187-cal-2000-drawings.pdf | 2011-10-06 |
| 21 | 00187-cal-2000-description(complete).pdf | 2011-10-06 |
| 22 | 00187-cal-2000-correspondence.pdf | 2011-10-06 |
| 23 | 00187-cal-2000-claims.pdf | 2011-10-06 |
| 24 | 00187-cal-2000-abstract.pdf | 2011-10-06 |