Patent US2709284A successfully refreshed from Google Patents.
US2709284A
Expired / Lapsed
US
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Control apparatus for and method of continuous casting
Assignee: Babcock and Wilcox Co
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Filing: 1950-03-28
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Granted: 1955-05-31
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Expires: 1970-03-28
Abstract
No abstract record available.
Inventors
- 👤 Sidley O Evans
- 👤 Jr Isaac Harter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:10
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/16; B22D11/20; B22D11/201; B22D11/206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
CONTINUOUS CASTING APPARATUS INCLUDING AN OPEN ENDED CASTING MOLD, A POURING ARRANGED TO DELIVER MOLTEN METAL TO SAID MOLD, A CASTING WITHDRAWAL MECHANISM, MEANS FOR CYCLICALLY MEASURING THE DIFFERENCE BETWEEN THE ACTUAL AND A STANDARD RATE OF POUR TO SAID MOLD, AND CONTROL SYSTEM OPERATIVE IN RESPONSE TO THE PRESENT AND THE IMMEDIATELY PRECEDING CYCLIC DIFFERENCE BETWEEN THE ACTUAL AND DESIRED POUR RATES OF MOLTEN METAL TO ADJUST THE RATE OF POUR FROM SAID VESSEL TO MAINTAIN THE METAL POURING RATE TO SAID MOLD SUBSTANTIALLY IN ACCORDANCE WITH SAID STANDARD RATE OF POUR.
Claim 2
Dependent Claim
93 words
CONTINUOUS CASTING APPARATUS INCLUDING AN OPEN ENDED CASTING MOLD, A POURING ARRANGED TO DELIVER MOLTEN METAL TO SAID MOLD, A CASTING WITHDRAWAL MECHANISM, MEANS FOR CYCLICALLY MEASURING THE DIFFERENCE BETWEEN THE ACTUAL AND A STANDARD RATE OF POUR TO SAID MOLD, AND CONTROL SYSTEM OPERATIVE IN RESPONSE TO THE PRESENT AND THE IMMEDIATELY PRECEDING CYCLIC DIFFERENCE BETWEEN THE ACTUAL AND DESIRED POUR RATES OF MOLTEN METAL TO ADJUST THE RATE OF POUR FROM SAID VESSEL TO MAINTAIN THE METAL POURING RATE TO SAID MOLD SUBSTANTIALLY IN ACCORDANCE WITH SAID STANDARD RATE OF POUR.
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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) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |