US3088181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous casting of metals
Assignee: British Iron and Steel Research Association BISRA
•
Filing: 1959-07-30
•
Granted: 1963-05-07
•
Expires: 1979-07-30
Abstract
No abstract record available.
Inventors
- 👤 Littlewood Geoffrey
- 👤 James S Morton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:50
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/04; B22D11/053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
IN CONTINUOUS CASTING APPARATUS WHEREIN MOLTEN METAL IS DELIVERED TO ONE END OF A CONTINUOUS CASTING MOLD AND AN EMBRYO INGOT IS WITHDRAWN FROM THE OPPOSITE END OF SAID MOLD, THE COMBINATION COMPRISING HYDRAULIC MEANS SUPPORTING SAID MOLD FOR POSITIVE RECIPROCATION AT SELECTED RATE IN A DIRECTION PARALLEL TO THE LONGITUDINAL AXIS OF SAID MOLD, SAID HYDRAULIC MEANS INCLUDING A CYLINDER AND A PISTON THEREIN, A RESERVOIR FOR HYDRAULIC FLUID, A PUMP, TUBE MEANS CONNECTING SAID RESERVOIR AND PUMP WITH OPPOSITE END PORTIONS OF SAID CYLINDER INCLUDING A FIRST TUBE CONNECTED WITH ONE END PORTION OF SAID CYLINDER AND ON ONE SIDE OF SAID PISTON, A SECOND TUBE CONNECTED WITH THE END PORTION OPPOSITE FROM SAID ONE END PORTION AND ON THE SIDE OF SAID PISTON OPPOSITE SAID ONE
Claim 2
Dependent Claim
129 words
IN CONTINUOUS CASTING APPARATUS WHEREIN MOLTEN METAL IS DELIVERED TO ONE END OF A CONTINUOUS CASTING MOLD AND AN EMBRYO INGOT IS WITHDRAWN FROM THE OPPOSITE END OF SAID MOLD, THE COMBINATION COMPRISING HYDRAULIC MEANS SUPPORTING SAID MOLD FOR POSITIVE RECIPROCATION AT SELECTED RATE IN A DIRECTION PARALLEL TO THE LONGITUDINAL AXIS OF SAID MOLD, SAID HYDRAULIC MEANS INCLUDING A CYLINDER AND A PISTON THEREIN, A RESERVOIR FOR HYDRAULIC FLUID, A PUMP, TUBE MEANS CONNECTING SAID RESERVOIR AND PUMP WITH OPPOSITE END PORTIONS OF SAID CYLINDER INCLUDING A FIRST TUBE CONNECTED WITH ONE END PORTION OF SAID CYLINDER AND ON ONE SIDE OF SAID PISTON, A SECOND TUBE CONNECTED WITH THE END PORTION OPPOSITE FROM SAID ONE END PORTION AND ON THE SIDE OF SAID PISTON OPPOSITE SAID ONE
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Cited
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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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |