Patent US2965922A successfully refreshed from Google Patents.
US2965922A
Expired / Lapsed
US
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Apparatus for making spherical pellets of magnesium
Assignee: Commonwealth Engineering Company of Ohio
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Filing: 1957-09-26
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Granted: 1960-12-27
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Expires: 1977-09-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry A Toulmin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:35
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/06; B22F9/08; B22F9/082; Y; Y10; Y10S; Y10S425/00; Y10S425/815
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN AN APPARATUS FOR THE PRODUCTION OF UNIFORM SPHERICAL MAGNESIUM PELLETS, A SOURCE OF MOLTEN MAGNESIUM, A SUBSTANTIALLY ORIZONTAL PASSAGE BENEATH SAID SOURCE OF MOLTEN MAGNESIUM AND HAVING DISCHARGE AND INLET ENDS, THERE BEING A VENTURI IN SAID HORIZONTAL PASSAGE, MEANS FOR DISCHARGING SAID MOLTEN MAGNESIUM IN A STREAM INTO THE THROAT OF SAID VENTURI IN THE HORIZONTAL PASSAGE, MEANS FOR PRODUCING A FAST-MOVING STREAM OF GAS NEUTRAL TO SAID MAGNESIUM AT THE INLET END OF THE PASSAGE THROUGH SAID VENTURI WHEREBY THE FAST-MOVING STREAM OF GAS THROUGH SAID PASSAGE WILL TEAR APART THE MOLTEN MAGNESIUM INTO DROPLETS, AND A VERTICALLY EXTENDING TOWER CONNECTED WITH THE DISCHARGE END OF SAID PASSAGE AND BEING OF SUBSTANTIALLY GREATER CROSS-SECTION THAN SAID PASSAGE WHEREBY THE GAS WILL CIRCULATE SLOWLY THROUGH SAID TOWER AND THE DROPLETS OF MOLTEN MAGNESIUM WILL BE-
Claim 2
Dependent Claim
137 words
IN AN APPARATUS FOR THE PRODUCTION OF UNIFORM SPHERICAL MAGNESIUM PELLETS, A SOURCE OF MOLTEN MAGNESIUM, A SUBSTANTIALLY ORIZONTAL PASSAGE BENEATH SAID SOURCE OF MOLTEN MAGNESIUM AND HAVING DISCHARGE AND INLET ENDS, THERE BEING A VENTURI IN SAID HORIZONTAL PASSAGE, MEANS FOR DISCHARGING SAID MOLTEN MAGNESIUM IN A STREAM INTO THE THROAT OF SAID VENTURI IN THE HORIZONTAL PASSAGE, MEANS FOR PRODUCING A FAST-MOVING STREAM OF GAS NEUTRAL TO SAID MAGNESIUM AT THE INLET END OF THE PASSAGE THROUGH SAID VENTURI WHEREBY THE FAST-MOVING STREAM OF GAS THROUGH SAID PASSAGE WILL TEAR APART THE MOLTEN MAGNESIUM INTO DROPLETS, AND A VERTICALLY EXTENDING TOWER CONNECTED WITH THE DISCHARGE END OF SAID PASSAGE AND BEING OF SUBSTANTIALLY GREATER CROSS-SECTION THAN SAID PASSAGE WHEREBY THE GAS WILL CIRCULATE SLOWLY THROUGH SAID TOWER AND THE DROPLETS OF MOLTEN MAGNESIUM WILL BE-
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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) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |