US2705353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of continuous casting
Assignee: Kaiser Aluminum and Chemical Corp
•
Filing: 1952-04-04
•
Granted: 1955-04-05
•
Expires: 1972-04-04
Abstract
No abstract record available.
Inventors
- 👤 Paul P Zeigler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:34
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/04; B22D11/049; B22D11/12; B22D11/124; B22D11/1248; B22D11/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN THE CONTINUOUS CASTING OF LIGHT METAL INGOTS, WHEREIN MOLTEN METAL IS CONTINUOUSLY SUPPLIED TO A RELATIVELY SHORT OPEN MOLD SHELL, IS PARTIALLY COOLED THEREIN TO FORM AN OUTER SHELL OF SOLIDIFIED METAL, AND A FLUID COOLANT IS APPLIED TO THE INGOT EMERGING FROM SAID MOLD SHELL TO RAPIDLY COOL THE INGOT, THE IMPROVEMENT WHICH COMPRISES EFFECTIVELY REMOVING SAID COOLANT FROM THE INGOT AT A DISTANCE BELOW THE MOLD SHELL OF NOT LESS THAN ABOUT ONE-EIGHTH AND NOT GREATER THAN ABOUT ONE-HALF TIMES THE MINIMUM TRANSVERSE DIMENSION OF SAID INGOT, AND APPLYING NO SIGNIFICANT AMOUNT OF COOLANT TO THE SURFACE OF THE INGOT BELOW THE LEVEL OF COOLANT REMOVAL WHEREBY THE INTERNAL HEAT OF THE INGOT WILL REHEAT THE COOLED SURFACE OF THE INGOT AND AFTER THIS REHEATING OF THE SURFACE OF THE INGOT MAINTAIN THIS SURFACE AT A TEMPERATURE NOT SUBSTANTIALLY BELOW ABOUT 300* F. DURING THE REMAINDER OF THE CASTING OPERATION.
Claim 2
Dependent Claim
153 words
IN THE CONTINUOUS CASTING OF LIGHT METAL INGOTS, WHEREIN MOLTEN METAL IS CONTINUOUSLY SUPPLIED TO A RELATIVELY SHORT OPEN MOLD SHELL, IS PARTIALLY COOLED THEREIN TO FORM AN OUTER SHELL OF SOLIDIFIED METAL, AND A FLUID COOLANT IS APPLIED TO THE INGOT EMERGING FROM SAID MOLD SHELL TO RAPIDLY COOL THE INGOT, THE IMPROVEMENT WHICH COMPRISES EFFECTIVELY REMOVING SAID COOLANT FROM THE INGOT AT A DISTANCE BELOW THE MOLD SHELL OF NOT LESS THAN ABOUT ONE-EIGHTH AND NOT GREATER THAN ABOUT ONE-HALF TIMES THE MINIMUM TRANSVERSE DIMENSION OF SAID INGOT, AND APPLYING NO SIGNIFICANT AMOUNT OF COOLANT TO THE SURFACE OF THE INGOT BELOW THE LEVEL OF COOLANT REMOVAL WHEREBY THE INTERNAL HEAT OF THE INGOT WILL REHEAT THE COOLED SURFACE OF THE INGOT AND AFTER THIS REHEATING OF THE SURFACE OF THE INGOT MAINTAIN THIS SURFACE AT A TEMPERATURE NOT SUBSTANTIALLY BELOW ABOUT 300* F. DURING THE REMAINDER OF THE CASTING OPERATION.
References Cited (Backward Citations)
US1466257A
Cited
US2301027A
Cited
FR905778A
Cited
FR884691A
Cited
US2414269A
Cited
US2424640A
Cited
US2613411A
Cited
US2651821A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-04 | 1958-10-04 | 1959-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-04 | 1962-10-04 | 1963-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-04 | 1966-10-04 | 1967-04-05 | $7700.00 | Window Closed / Lapsed |