Patent US3085865A successfully refreshed from Google Patents.
US3085865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the oxidation of metal powders
Assignee: Union Carbide Corp
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Filing: 1961-02-17
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Granted: 1963-04-16
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Expires: 1981-02-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Long
- 👤 Charles B Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:24
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/14; C01B13/32; C01B13/322; B; B22; B22F; B22F1/00; B22F1/14; B22F1/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
241 words
AN APPARATUS FOR OXIDIZING META POWDER WHICH COMPRISES, IN COMBINATION, A FURNACE; MEANS FOR PRODUCING A STREAM OF METAL POWDER; A BODY MEMBER HAVING A BORE OF SUBSTANTIALLY CIRCULAR CROSS-SECTION, SAID BORE COMMUNICATING WITH SAID FURNACE AND SAID POWDER STREAM-PRODUCTING MEANS FOR THE PASSAGE OF A STREAM OF METAL POWDER THROUGH SAID BORE INTO SAID FURNACE; A PLURALITY OF SUBSTANTIALLY IDENTICAL TUBULAR CONDUITS SYMMETRICALLY ARRANGED AROUNG THE LONGITUDINAL AXIS OF SAID BORE AND COMMUNICATING WITH SAID BORE, AT THE BOUNDING SURFACE THEREOF WITHIN SAID FURNACE, AT RESPECTIVE OUTLETS DISPOSED IN A CIRCULAR CONFIGURATION PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID BORE; SAID CONDUITS BEING ARRANGED HAVING THEIR RESPECTIVE LONGITUDINAL AXES INTERSECTING THE LONGITUDINAL AXIS OF SAID BORE AT A COMMON ANGLE OF BETWEEN ABOUT 15* AND 40* AND HAVING THEIR INLETS DISPOSED IN A CIRCULAR CONFIGURATION PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID BORE; AND FUEL GAS AND OXYGEN SUPPLY MEANS COMMUNICATING WITH SAID CONDUITS AT THE INLETS THEREOF FOR PROVIDING A FLOW OF FUEL GAS AND OXYGEN MIXTURE THROUGH SAID CONDUITS INTO SAID FURANCE AT A COMMON VELOCITY SUFFICIENT TO ESTABLISH WHEN SAID MIXTURE IS IGNITED, A FLAME AT THE INTERSECTION OF THE LONGITUDINAL AXIS OF SAID BORE WITH THE LONGITUDINAL AXES OF SAID CONDUITS, WHEREBY A SUBSTANTIALLY CONTINOUS CONIC SHAPED OXIDIZING FLAME REACTION ZONE IS PRODUCED IN SAID FURNACE EXTENDING FROM IMMEDIATELY ADJACENT THE OUTLETS OF SAID CONDUITS AND SUBSTANTIALLY IN ALIGNMENT WITH THE LONGITUDINAL AXIS OF SAID BORE.
Claim 2
Independent Claim
241 words
AN APPARATUS FOR OXIDIZING META POWDER WHICH COMPRISES, IN COMBINATION, A FURNACE; MEANS FOR PRODUCING A STREAM OF METAL POWDER; A BODY MEMBER HAVING A BORE OF SUBSTANTIALLY CIRCULAR CROSS-SECTION, SAID BORE COMMUNICATING WITH SAID FURNACE AND SAID POWDER STREAM-PRODUCTING MEANS FOR THE PASSAGE OF A STREAM OF METAL POWDER THROUGH SAID BORE INTO SAID FURNACE; A PLURALITY OF SUBSTANTIALLY IDENTICAL TUBULAR CONDUITS SYMMETRICALLY ARRANGED AROUNG THE LONGITUDINAL AXIS OF SAID BORE AND COMMUNICATING WITH SAID BORE, AT THE BOUNDING SURFACE THEREOF WITHIN SAID FURNACE, AT RESPECTIVE OUTLETS DISPOSED IN A CIRCULAR CONFIGURATION PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID BORE; SAID CONDUITS BEING ARRANGED HAVING THEIR RESPECTIVE LONGITUDINAL AXES INTERSECTING THE LONGITUDINAL AXIS OF SAID BORE AT A COMMON ANGLE OF BETWEEN ABOUT 15* AND 40* AND HAVING THEIR INLETS DISPOSED IN A CIRCULAR CONFIGURATION PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID BORE; AND FUEL GAS AND OXYGEN SUPPLY MEANS COMMUNICATING WITH SAID CONDUITS AT THE INLETS THEREOF FOR PROVIDING A FLOW OF FUEL GAS AND OXYGEN MIXTURE THROUGH SAID CONDUITS INTO SAID FURANCE AT A COMMON VELOCITY SUFFICIENT TO ESTABLISH WHEN SAID MIXTURE IS IGNITED, A FLAME AT THE INTERSECTION OF THE LONGITUDINAL AXIS OF SAID BORE WITH THE LONGITUDINAL AXES OF SAID CONDUITS, WHEREBY A SUBSTANTIALLY CONTINOUS CONIC SHAPED OXIDIZING FLAME REACTION ZONE IS PRODUCED IN SAID FURNACE EXTENDING FROM IMMEDIATELY ADJACENT THE OUTLETS OF SAID CONDUITS AND SUBSTANTIALLY IN ALIGNMENT WITH THE LONGITUDINAL AXIS OF SAID BORE.
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |