US3353585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for controlling the cooling of cast metal
Assignee: Special Metals Corp
•
Filing: 1965-12-13
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Granted: 1967-11-21
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Expires: 1985-12-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Wentzell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:29
CPC Classifications
B; B22; B22D; B22D27/00; B22D27/003; C; C22; C22B; C22B9/00; C22B9/16; C22B9/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN THE PROCESS OF CASTING MOLTEN METAL IN A CONSUMABLE ELECTRODE MELTING FURNACE EQUIPPED WITH A WATERCOOLED INGOT MOLD, AND A SUPERSTRUCTURE ASSOCIATED THEREWITH INCLUDING MEANS TO CONTROL THE ATMOSPHERE IN WHICH SUCH MELTING IS PERFORMED, THE INGOT BEING CHARACTERIZED BY SOLIDIFYING PROGRESSIVELY AXIALLY FROM THE BOTTOM OF THE INGOT MOLD UPWARDLY AND IN WHICH THE MOLTEN METAL ON TOP OF THE INGOT FORMS A SEALING CONTACT WITH THE MOLD WALL, THE IMPROVEMENT COMPRISING INJECTING A GAS CHARACTERIZED BY A HIGH COEFFICIENT OF THERMAL CONDUCTIVITY AD-
Claim 2
Dependent Claim
86 words
IN THE PROCESS OF CASTING MOLTEN METAL IN A CONSUMABLE ELECTRODE MELTING FURNACE EQUIPPED WITH A WATERCOOLED INGOT MOLD, AND A SUPERSTRUCTURE ASSOCIATED THEREWITH INCLUDING MEANS TO CONTROL THE ATMOSPHERE IN WHICH SUCH MELTING IS PERFORMED, THE INGOT BEING CHARACTERIZED BY SOLIDIFYING PROGRESSIVELY AXIALLY FROM THE BOTTOM OF THE INGOT MOLD UPWARDLY AND IN WHICH THE MOLTEN METAL ON TOP OF THE INGOT FORMS A SEALING CONTACT WITH THE MOLD WALL, THE IMPROVEMENT COMPRISING INJECTING A GAS CHARACTERIZED BY A HIGH COEFFICIENT OF THERMAL CONDUCTIVITY AD-
References Cited (Backward Citations)
GB371371A
Cited
GB389528A
Cited
GB379120A
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US2561360A
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FR1093733A
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US2747244A
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US2825947A
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US2955333A
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CH363129A
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US3099053A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |