US3098110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling arrangements for molten metals
Assignee: Metallurgical Processes Ltd
•
Filing: 1959-09-17
•
Granted: 1963-07-16
•
Expires: 1979-09-17
Abstract
No abstract record available.
Inventors
- 👤 Davey Thomas Ronald Albert
- 👤 Linton Walter Lindsay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:30
CPC Classifications
C; C22; C22B; C22B19/00; C22B19/04; C22B19/16; C22B19/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN THE COMBINATION OF A CONDENSER IN WHICH ZINC VAPOR IS CONDENSED IN MOLTEN LEAD THAT IS CIRCULATED SUCCESSIVELY THROUGH THE CONDENSER, THROUGH A COOLING TANK HAVING COOLING MEANS FOR COOLING THE ZINC-CONTAINING MOLTEN LEAD, THROUGH A SETTLING ZONE WHERE MOLTEN METALLIC ZINC IS SEPARATED AND REMOVED, THE MOLTEN LEAD THEN BEING RETURNED TO THE CONDENSER, THE IMPROVEMENT IN SAID COOLING MEANS WHICH COMPRISES AT LEAST ONE GENERALLY CYLINDROID COOLING DRUM ROTATABLY MOUNTED FOR ROTATION ABOUT THE GENERALLY VERTICALLY DISPOSED LONGITUDINAL AXIS OF THE DRUM, SAID DRUM BEING ADAPTED TO BE SUBSTANTIALLY COMPLETELY IMMERSED IN THE ZINC-CONTAINING MOLTEN LEAD IN THE COOLING TANK, AN UPRIGHT TUBULAR EXTENSION SECURED TO THE DRUM AND COMMUNICATING WITH THE INTERIOR THEREOF
Claim 2
Dependent Claim
117 words
IN THE COMBINATION OF A CONDENSER IN WHICH ZINC VAPOR IS CONDENSED IN MOLTEN LEAD THAT IS CIRCULATED SUCCESSIVELY THROUGH THE CONDENSER, THROUGH A COOLING TANK HAVING COOLING MEANS FOR COOLING THE ZINC-CONTAINING MOLTEN LEAD, THROUGH A SETTLING ZONE WHERE MOLTEN METALLIC ZINC IS SEPARATED AND REMOVED, THE MOLTEN LEAD THEN BEING RETURNED TO THE CONDENSER, THE IMPROVEMENT IN SAID COOLING MEANS WHICH COMPRISES AT LEAST ONE GENERALLY CYLINDROID COOLING DRUM ROTATABLY MOUNTED FOR ROTATION ABOUT THE GENERALLY VERTICALLY DISPOSED LONGITUDINAL AXIS OF THE DRUM, SAID DRUM BEING ADAPTED TO BE SUBSTANTIALLY COMPLETELY IMMERSED IN THE ZINC-CONTAINING MOLTEN LEAD IN THE COOLING TANK, AN UPRIGHT TUBULAR EXTENSION SECURED TO THE DRUM AND COMMUNICATING WITH THE INTERIOR THEREOF
References Cited (Backward Citations)
BE563916A
Cited
BE563917A
Cited
US2734819A
Cited
US2018266A
Cited
US2351489A
Cited
US2439216A
Cited
US2801162A
Cited
GB774269A
Cited
US2871007A
Cited
US2866702A
Cited
GB812837A
Cited
US2956871A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |