US2799068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of casting metals
Assignee: Kaiser Aluminum and Chemical Corp
•
Filing: 1953-09-03
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Granted: 1957-07-16
•
Expires: 1973-09-03
Abstract
No abstract record available.
Inventors
- 👤 Paul P Zeigler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:39
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/12; B22D11/124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN THE CONTINUOUS CASTING OF METAL INGOTS OF SUBSTANTIALLY RECTANGULAR CROSS-SECTION WHEREIN MOLTEN METAL IS SUPPLIED TO OPEN MOLTEN SHELL, IS PARTIALLY COOLED THEREIN TO AT LAST FORM AN OUTER SHELL OF SOLIDIFIED METAL,, AND A LIQUID COOLANT IS SUPPLIED TO THE INGOT EMERGING FROM SAID MOLD SHELL, THE IMPROVEMENT WHICH COMPRISES EFFECTIVELY REMOVING SUBSTANTIALLY ALL OF THE COOLANT FROM THE INGOT SURFACES AT DIFFERENT LEVELS SPACED BELOW THE MOLD SHELL, THE COOLANT AT THE CORNERS OF THE INGOT BEING REMOVED AT A LEVEL CLOSER TO SAID MOLD SHELL THAN THE LEVEL AT WHICH THE COOLANT IS REMOVED FROM THE INGOT FACES AND APPLYING NO SIGNIFICANT AMOUNT OF COOLANT TO THE INGOT SURFACES BELOW SAID LEVELS OF COOLANT REMOVAL.
Claim 2
Dependent Claim
119 words
IN THE CONTINUOUS CASTING OF METAL INGOTS OF SUBSTANTIALLY RECTANGULAR CROSS-SECTION WHEREIN MOLTEN METAL IS SUPPLIED TO OPEN MOLTEN SHELL, IS PARTIALLY COOLED THEREIN TO AT LAST FORM AN OUTER SHELL OF SOLIDIFIED METAL,, AND A LIQUID COOLANT IS SUPPLIED TO THE INGOT EMERGING FROM SAID MOLD SHELL, THE IMPROVEMENT WHICH COMPRISES EFFECTIVELY REMOVING SUBSTANTIALLY ALL OF THE COOLANT FROM THE INGOT SURFACES AT DIFFERENT LEVELS SPACED BELOW THE MOLD SHELL, THE COOLANT AT THE CORNERS OF THE INGOT BEING REMOVED AT A LEVEL CLOSER TO SAID MOLD SHELL THAN THE LEVEL AT WHICH THE COOLANT IS REMOVED FROM THE INGOT FACES AND APPLYING NO SIGNIFICANT AMOUNT OF COOLANT TO THE INGOT SURFACES BELOW SAID LEVELS OF COOLANT REMOVAL.
References Cited (Backward Citations)
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Cited
US2058448A
Cited
FR884691A
Cited
US2424640A
Cited
US2515284A
Cited
US2651821A
Cited
US2672665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |