Patent US1671338A successfully refreshed from Google Patents.
Patent US3102806A successfully refreshed from Google Patents.
US3102806A
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Reverberatory smelting method and apparatus
Assignee: Kennecott Corp
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Filing: 1958-06-10
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Granted: 1963-09-03
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Expires: 1978-06-10
Abstract
No abstract record available.
Inventors
- 👤 Stuart R Zimmerley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:27
CPC Classifications
F; F27; F27B; F27B3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN A REVERBERATORY METHOD SMELTING COPER SULFIDE ORE MATERIALS TO PRODUCE COPPER MATE, WHEREIN SUCH AN ORE MATERIAL IN DISCRETE SOLID FORM IS CHARGED INTO A REVERBERATORY FURNACE ALONG MUTUALLY OPPOSITE, LONGITUDINAL SIDE WALLS THEREOF, AS A BANKED FETTLING FOR SAID SIDE WALLS, AND IS HEATED BY RADIATION FROM THE ROOF OF SAID FURNACE WHILE FLAMES AND GASES ARE PASSED ABOVE AND ALONG THE HEARTH OF THE FURNACE FROM FUEL INTRODUCED AT ONE END THEREOF, THE IMPROVEMENT COMPRISING BLOWING DIRECTLY AGAINST EXPOSED AND HEATED SURFACES OF SAID BANKED FETTLING OXYGEN IN SUFFICIENT CONCENTRATION TO GENERATE, BY OXIDATION OF OXIDIZABLE CONSTITUENTS OF THE BANKED FETTLING, SMELTING HEAT THEREAT OF TEMPERATURE SIGNIFICANTLY GREATER THAN THAT RESULTING FROM COMBUSTON OF SAID FUEL, WHEREBY SMELTING OF THE ORE MATERIAL IS ACCELERATED WITHOUT ENDANGERING THE FURANCE STRUCTURE; AND CONTINUING SAID BLOWING THE OXYGEN SUBSTANTIALLY THROUGHOUT THE SMELTING OPERATION.
Claim 2
Dependent Claim
143 words
IN A REVERBERATORY METHOD SMELTING COPER SULFIDE ORE MATERIALS TO PRODUCE COPPER MATE, WHEREIN SUCH AN ORE MATERIAL IN DISCRETE SOLID FORM IS CHARGED INTO A REVERBERATORY FURNACE ALONG MUTUALLY OPPOSITE, LONGITUDINAL SIDE WALLS THEREOF, AS A BANKED FETTLING FOR SAID SIDE WALLS, AND IS HEATED BY RADIATION FROM THE ROOF OF SAID FURNACE WHILE FLAMES AND GASES ARE PASSED ABOVE AND ALONG THE HEARTH OF THE FURNACE FROM FUEL INTRODUCED AT ONE END THEREOF, THE IMPROVEMENT COMPRISING BLOWING DIRECTLY AGAINST EXPOSED AND HEATED SURFACES OF SAID BANKED FETTLING OXYGEN IN SUFFICIENT CONCENTRATION TO GENERATE, BY OXIDATION OF OXIDIZABLE CONSTITUENTS OF THE BANKED FETTLING, SMELTING HEAT THEREAT OF TEMPERATURE SIGNIFICANTLY GREATER THAN THAT RESULTING FROM COMBUSTON OF SAID FUEL, WHEREBY SMELTING OF THE ORE MATERIAL IS ACCELERATED WITHOUT ENDANGERING THE FURANCE STRUCTURE; AND CONTINUING SAID BLOWING THE OXYGEN SUBSTANTIALLY THROUGHOUT THE SMELTING OPERATION.
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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |