US3736124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for electroslag remelting of metals with slag introduction
Assignee: PATON INSTITUTE
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Filing: 1970-09-01
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Granted: 1973-05-29
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Expires: 1990-09-01
Abstract
Abstract MOLTEN SLAG IS INTRODUCED THROUGH THE LOWER PORTION OF A CRUCIBLE DEVICE INTO THE BOTTOM OF THE REMELTING ZONE IN AN ELECTROSLAG REMELTING PROCESS USING SINGLE OR PLURAL CONSUMABLE ELECTRODES IN AN AMOUNT SUFFICIENT TO ACHIEVE A PREDETERMINED DEPTH IN THE REMELTING ZONE. THE ACHIEVEMENT OF THE PREDETERMINED DEPTH IS SIGNALLED WHEN CURRENT FLOWS AS A RESULT OF THE SLAG LEVAL CONTACTING AND CLOSING A CIRCUIT THROUGH AN ENERGIZED ELECTRODE DISPOSED IN THE REMELTING ZONE.
Inventors
- 👤 B E Paton
- 👤 J V Latash
- 👤 B I Medovar
- 👤 M M Kljuev
- 👤 J G Emelianenko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:58
CPC Classifications
C; C22; C22B; C22B9/00; C22B9/16; C22B9/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |