US3364977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for controlling cooling of ingots in continuous casting apparatus
Assignee: Hitachi Ltd
•
Filing: 1965-03-10
•
Granted: 1968-01-23
•
Expires: 1985-03-10
Abstract
No abstract record available.
Inventors
- 👤 Machida Kinju
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:12
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/16; B22D11/22; B22D11/225
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A METHOD FOR COOLING INGOTS IN A CONTINUOUS CASTING APPARATUS IN WHICH THE INGOT OBTAINED BY CASTING IS CONTINUOUSLY WITHDRAWN BY MEANS OF ROLLS WHILE BEING COOLED BY A SPRAY OF COOLING WATER, SAID METHOD COMPRISING CONTINUOUSLY ADJUSTING THE WITHDRAWAL RATE OF SAID ROLLS IN ACCORDANCE WITH THE FLOW RATE OF MOLTEN METAL SUPPLIED FROM A TUNDISH, DETECTING ANY VARIATION IN THE WITHDRAWAL RATE OF SAID INGOT AND INCREASING AND DECREASING THE AMOUNT OF WATER SPRAYED TO CORRESPOND WITH THE DETECTED VARIATION IN THE INGOT WITHDRAWAL RATE.
Claim 2
Independent Claim
87 words
A METHOD FOR COOLING INGOTS IN A CONTINUOUS CASTING APPARATUS IN WHICH THE INGOT OBTAINED BY CASTING IS CONTINUOUSLY WITHDRAWN BY MEANS OF ROLLS WHILE BEING COOLED BY A SPRAY OF COOLING WATER, SAID METHOD COMPRISING CONTINUOUSLY ADJUSTING THE WITHDRAWAL RATE OF SAID ROLLS IN ACCORDANCE WITH THE FLOW RATE OF MOLTEN METAL SUPPLIED FROM A TUNDISH, DETECTING ANY VARIATION IN THE WITHDRAWAL RATE OF SAID INGOT AND INCREASING AND DECREASING THE AMOUNT OF WATER SPRAYED TO CORRESPOND WITH THE DETECTED VARIATION IN THE INGOT WITHDRAWAL RATE.
References Cited (Backward Citations)
US2206930A
Cited
US2246907A
Cited
US2641034A
Cited
US2682691A
Cited
US2726430A
Cited
US3176355A
Cited
US3237251A
Cited
US3300820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |