Patent US3177536A successfully refreshed from Google Patents.
US3177536A
Expired / Lapsed
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Apparatus and method of introducting a jet of molten metal from a casting ladle centrally into the mould of a continuous casting installation
Assignee: Schloemann AG
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Filing: 1961-07-20
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Granted: 1965-04-13
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Expires: 1981-07-20
Abstract
No abstract record available.
Inventors
- 👤 Schneider Ralf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:21
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN A CONTINUOUS CASTING INSTALLATION, A CASTING MOULD, A CASTING LADLE ADAPTED TO DISCHARGE A FREELY FALLING AND SUBSTANTIALLY VERTICAL CONTINUOUS JET OF MOLTEN METAL INTO SAID MOULD, AN ELECTRODE ON THE LADLE, AN ELECTRODE ON THE MOULD, MEANS FOR MAINTAINING A VOLTAGE BETWEEN THE ELECTRODE ON THE LADLE AND THE ELECTRODE ON THE MOULD SO AS TO CAUSE A CURRENT TO BE CARRIED BY THE MATERIAL OF SAID JET VERTICALLY ALONG THE LENGTH OT THE JET, A MAGNETIC YOKE, POLE SHOES LOCATED ON SAID YOKE AND BETWEEN SAID LADLE AND SAID MOULED, AN EXCITING COIL ON SAID YOKE AND MEANS FOR PASSING A CURRENT THROUGH SAID COIL SO AS TO PRODUCE A STATIONARY HORIZONTAL MAGNETIC FIELD BETWEEN SAID POLE SHOES, WHEREBY THE DIRECTION OF FLOW OF SAID JET MAY LIE ALTERED BY INTERACTION BETWEEN THE CURRENT CARRIED BY THE JET AND THE MAGNETIC FIELD.
Claim 2
Dependent Claim
145 words
IN A CONTINUOUS CASTING INSTALLATION, A CASTING MOULD, A CASTING LADLE ADAPTED TO DISCHARGE A FREELY FALLING AND SUBSTANTIALLY VERTICAL CONTINUOUS JET OF MOLTEN METAL INTO SAID MOULD, AN ELECTRODE ON THE LADLE, AN ELECTRODE ON THE MOULD, MEANS FOR MAINTAINING A VOLTAGE BETWEEN THE ELECTRODE ON THE LADLE AND THE ELECTRODE ON THE MOULD SO AS TO CAUSE A CURRENT TO BE CARRIED BY THE MATERIAL OF SAID JET VERTICALLY ALONG THE LENGTH OT THE JET, A MAGNETIC YOKE, POLE SHOES LOCATED ON SAID YOKE AND BETWEEN SAID LADLE AND SAID MOULED, AN EXCITING COIL ON SAID YOKE AND MEANS FOR PASSING A CURRENT THROUGH SAID COIL SO AS TO PRODUCE A STATIONARY HORIZONTAL MAGNETIC FIELD BETWEEN SAID POLE SHOES, WHEREBY THE DIRECTION OF FLOW OF SAID JET MAY LIE ALTERED BY INTERACTION BETWEEN THE CURRENT CARRIED BY THE JET AND THE MAGNETIC FIELD.
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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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |