US3179512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for transporting and degasifying a melt
Assignee: Individual
•
Filing: 1962-08-08
•
Granted: 1965-04-20
•
Expires: 1982-08-08
Abstract
No abstract record available.
Inventors
- 👤 Olsson Erik Allan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:45
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/10; B22D11/11; B22D11/113; C; C21; C21C; C21C7/00; C21C7/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A METHOD FOR CONTINUOUSLY TRANSPORTING AND DEGASIFYING MOLTEN METAL DURING CONTINUOUS CASTING, COMPRISING THE STEPS OF CONTINUOUSLY FEEDING MOLTEN METAL TO A CONTAINER SUBJECT TO ATMOSPHERIC PRESSURE, CONTINUOUSLY EVACUATING AND DRAWING OFF GASES IN A DEGASSING CHAMBER DISPOSED ABOVE SAID CONTAINER, CONTINUOUSLY SIPHONING MOLTEN METAL FROM SAID CONTAINER THROUGH A FIRST CONDIUT INTO AND THROUGH SAID DEGASSING CHAMBER AND DISCHARGING THE MOLTEN METAL TO A CONTINUOUS CASTING MOLD THROUGH A SECOND CONDIUT CONNECTED TO THE BOTTOM OF THE DEGASSING CHAMBER, HEATING THE MOLTEN METAL WHILE PASSING THROUGH THE DEGASSING CHAMBER BY PASSING ELECTRIC CURRENT DIRECTLY THROUGH THE MOVING MOLTEN METAL IN SAID FIRST AND SECOND CONDIUTS AND SAID DEGASSING CHAMBER, AND INCREASING AND DECREASING THE FLOW OF MOLTEN METAL SIPHONED FROM SAID CONTAINER THROUGH THE DEGASSING CHAMBER TO SAID MOLD BY RESPECTIVELY DECREASING AND INCREASING THE ELECTRIC CURRENT SUPPLIED FOR HEATING THEREBY DECREASING AND INCREASING, RESPECTIVELY, THE CONSTRICTING INFLUENCE OF THE PINCH EFFECT IN SAID CONDIUTS WHILE PREVENTING SOLIDIFICATION OF THE MOLTEN METAL FLOWING IN SAID CONDIUTS.
Claim 2
Independent Claim
167 words
A METHOD FOR CONTINUOUSLY TRANSPORTING AND DEGASIFYING MOLTEN METAL DURING CONTINUOUS CASTING, COMPRISING THE STEPS OF CONTINUOUSLY FEEDING MOLTEN METAL TO A CONTAINER SUBJECT TO ATMOSPHERIC PRESSURE, CONTINUOUSLY EVACUATING AND DRAWING OFF GASES IN A DEGASSING CHAMBER DISPOSED ABOVE SAID CONTAINER, CONTINUOUSLY SIPHONING MOLTEN METAL FROM SAID CONTAINER THROUGH A FIRST CONDIUT INTO AND THROUGH SAID DEGASSING CHAMBER AND DISCHARGING THE MOLTEN METAL TO A CONTINUOUS CASTING MOLD THROUGH A SECOND CONDIUT CONNECTED TO THE BOTTOM OF THE DEGASSING CHAMBER, HEATING THE MOLTEN METAL WHILE PASSING THROUGH THE DEGASSING CHAMBER BY PASSING ELECTRIC CURRENT DIRECTLY THROUGH THE MOVING MOLTEN METAL IN SAID FIRST AND SECOND CONDIUTS AND SAID DEGASSING CHAMBER, AND INCREASING AND DECREASING THE FLOW OF MOLTEN METAL SIPHONED FROM SAID CONTAINER THROUGH THE DEGASSING CHAMBER TO SAID MOLD BY RESPECTIVELY DECREASING AND INCREASING THE ELECTRIC CURRENT SUPPLIED FOR HEATING THEREBY DECREASING AND INCREASING, RESPECTIVELY, THE CONSTRICTING INFLUENCE OF THE PINCH EFFECT IN SAID CONDIUTS WHILE PREVENTING SOLIDIFICATION OF THE MOLTEN METAL FLOWING IN SAID CONDIUTS.
References Cited (Backward Citations)
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Cited
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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) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |