US3262161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing and insulating means for continuous casting starter bars
Assignee: United States Steel Corp
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Filing: 1963-06-27
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Granted: 1966-07-26
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Expires: 1983-06-27
Abstract
No abstract record available.
Inventors
- 👤 Sigmund L Andrzejak
- 👤 Robert J Keene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:47
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/08; B22D11/088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN COMBINATION WITH A TUBULAR MOLD FOR CONTINUOUS CASTING OF METALS, A STARTER BAR ADAPTED TO BE INSERTED INTO THE LOWER PORTION OF SAID MOLD, SAID STARTER BAR BEING OF SUBSTANTIALLY THE SAME CROSS-SECTIONAL SHAPE AS SAID MOLD AND A SLIGHTLY SMALLER SIZE, WHEREBY THERE IS A SMALL CLEARANCE BETWEEN SAID STARTER BAR AND THE INTERIOR WALL OF THE MOLD, AND A FLEXIBLE HEAT-RESISTANT SEALING MEMBER SECURED TO THE TOP SURFACE OF SAID STARTER BAR AND COMPLETELY COVERING SAID TOP SURFACE, SAID SEALING MEMBER HAVING A BORDER PORTION EXTENDING BEYOND THE PERIMETER OF SAID TOP SURFACE AND TURNED DOWNWARDLY INTO SAID CLEARANCE BETWEEN SAID MOLD AND SAID STARTER BAR, WHEREBY ENTRANCE OF MOLTEN METAL INTO SAID CLEARANCE IS PREVENTED.
Claim 2
Dependent Claim
119 words
IN COMBINATION WITH A TUBULAR MOLD FOR CONTINUOUS CASTING OF METALS, A STARTER BAR ADAPTED TO BE INSERTED INTO THE LOWER PORTION OF SAID MOLD, SAID STARTER BAR BEING OF SUBSTANTIALLY THE SAME CROSS-SECTIONAL SHAPE AS SAID MOLD AND A SLIGHTLY SMALLER SIZE, WHEREBY THERE IS A SMALL CLEARANCE BETWEEN SAID STARTER BAR AND THE INTERIOR WALL OF THE MOLD, AND A FLEXIBLE HEAT-RESISTANT SEALING MEMBER SECURED TO THE TOP SURFACE OF SAID STARTER BAR AND COMPLETELY COVERING SAID TOP SURFACE, SAID SEALING MEMBER HAVING A BORDER PORTION EXTENDING BEYOND THE PERIMETER OF SAID TOP SURFACE AND TURNED DOWNWARDLY INTO SAID CLEARANCE BETWEEN SAID MOLD AND SAID STARTER BAR, WHEREBY ENTRANCE OF MOLTEN METAL INTO SAID CLEARANCE IS PREVENTED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |