US3382046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for decanning fuel elements
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1966-01-17
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Granted: 1968-05-07
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Expires: 1986-01-17
Abstract
No abstract record available.
Inventors
- 👤 Faugeras Pierre
- 👤 Stratakis Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:35
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/34; G21C19/38; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
DECANNING APPARATUS COMPRISING AN INCLINED VESSEL OF ELONGATED SHAPE, TWO ADJACENT PARALLEL CHAMBERS SET ONE ABOVE THE OTHER IN SAID VESSEL COMMUNICATING WITH EACH OTHER AT THE LOWER END OF SAID VESSEL, A FEED-IN PIPE IN THE UPPER END OF THE UPPER CHAMBER FOR AN ACID ETCHING SOLUTION ADMITTED INTO THE UPPER OF SAID CHAMBERS AND A FEED-IN THE PIPE IN THE UPPER END OF THE LOWER CHAMBER FOR ADMITTING A NEUTRAL RINSING SOLUTION INTO THE LOWER OF SAID CHAMBERS, A PIPE FOR DISCHARGING SOLUTIONS OPENING INTO THE LOWER END OF SAID VESSEL AT WHICH SAID TWO CHAMBERS COMMUNICATE, MEANS FOR INTRODUCING CANNED FUEL ELEMENTS INTO THE UPPER END OF SAID UPPER CHAMBER, SCREW CONVEYOR MEANS WITHIN AND EXTENDING THE LENGTH OF THE UPPER CHAMBER FOR CONVEYING SAID CANNED FUEL ELEMENTS DOWNWARDLY WITHIN SAID UPER CHAMBER IN CONCURRENT FLOW WITH SAID ACID ETCHING SOLUTION FOR DECANNING SAID FUEL ELEMENTS, SCREW CONVEYOR MEANS WITHIN AND EXTENDING THE LENGTH OF THE LOWER CHAMBER FOR CONVEYING THE DECANNED FUEL ELEMENTS UPWARDLY WITHIN THE LOWER CHAMBER IN COUNTER-CURRENT FLOW TO SAID NEUTRAL RINSING
Claim 2
Dependent Claim
179 words
DECANNING APPARATUS COMPRISING AN INCLINED VESSEL OF ELONGATED SHAPE, TWO ADJACENT PARALLEL CHAMBERS SET ONE ABOVE THE OTHER IN SAID VESSEL COMMUNICATING WITH EACH OTHER AT THE LOWER END OF SAID VESSEL, A FEED-IN PIPE IN THE UPPER END OF THE UPPER CHAMBER FOR AN ACID ETCHING SOLUTION ADMITTED INTO THE UPPER OF SAID CHAMBERS AND A FEED-IN THE PIPE IN THE UPPER END OF THE LOWER CHAMBER FOR ADMITTING A NEUTRAL RINSING SOLUTION INTO THE LOWER OF SAID CHAMBERS, A PIPE FOR DISCHARGING SOLUTIONS OPENING INTO THE LOWER END OF SAID VESSEL AT WHICH SAID TWO CHAMBERS COMMUNICATE, MEANS FOR INTRODUCING CANNED FUEL ELEMENTS INTO THE UPPER END OF SAID UPPER CHAMBER, SCREW CONVEYOR MEANS WITHIN AND EXTENDING THE LENGTH OF THE UPPER CHAMBER FOR CONVEYING SAID CANNED FUEL ELEMENTS DOWNWARDLY WITHIN SAID UPER CHAMBER IN CONCURRENT FLOW WITH SAID ACID ETCHING SOLUTION FOR DECANNING SAID FUEL ELEMENTS, SCREW CONVEYOR MEANS WITHIN AND EXTENDING THE LENGTH OF THE LOWER CHAMBER FOR CONVEYING THE DECANNED FUEL ELEMENTS UPWARDLY WITHIN THE LOWER CHAMBER IN COUNTER-CURRENT FLOW TO SAID NEUTRAL RINSING
References Cited (Backward Citations)
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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) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |