US3352004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for cladding uranium rods
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1964-07-31
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Granted: 1967-11-14
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Expires: 1984-07-31
Abstract
No abstract record available.
Inventors
- 👤 Baque Pierre
- 👤 Darras Raymond
- 👤 Koch Philippe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:46
CPC Classifications
C; C23; C23C; C23C10/00; C23C10/28; B; B23; B23K; B23K20/00; B23K20/22; B23K20/233; G; G21; G21C; G21C21/00; G21C21/02; G21C3/00; G21C3/02; G21C3/04; G21C3/16; G21C3/20; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
104 words
A PROCESS OF CLADDING URANIUM RODS WHICH COMPRISES (A) APPLYING A THIN STRIP OF A CLADDING METAL HAVING A THICKNESS OF A FEW HUNDREDTHS OF A MILLIMETER AND SELECTED FROM THE GROUP CONSISTING OF ZIRONIUM, COPPER, ALUMINUM, NIOBIUM AND NICKEL ON URANIUM ROD SO AS TO COVER SAID ROD; (B) HEATING SAID COVERED ROD AT A TEMPERATURE OF FROM 350* TO 400*C. IN A VACUUM OF FROM 10**-5 TO 10**-6 MILLIMETERS OF MERCURY FOR A TIME SUFFICIENT TO DEGAS THE COVERED ROD; AND (C) HEATING SAID COVERED ROD AT A TEMPERATURE OF FROM 600* TO 850*C. IN A VACUUM OF FROM 10**-5 TO 10**-6
Claim 2
Dependent Claim
104 words
A PROCESS OF CLADDING URANIUM RODS WHICH COMPRISES (A) APPLYING A THIN STRIP OF A CLADDING METAL HAVING A THICKNESS OF A FEW HUNDREDTHS OF A MILLIMETER AND SELECTED FROM THE GROUP CONSISTING OF ZIRONIUM, COPPER, ALUMINUM, NIOBIUM AND NICKEL ON URANIUM ROD SO AS TO COVER SAID ROD; (B) HEATING SAID COVERED ROD AT A TEMPERATURE OF FROM 350* TO 400*C. IN A VACUUM OF FROM 10**-5 TO 10**-6 MILLIMETERS OF MERCURY FOR A TIME SUFFICIENT TO DEGAS THE COVERED ROD; AND (C) HEATING SAID COVERED ROD AT A TEMPERATURE OF FROM 600* TO 850*C. IN A VACUUM OF FROM 10**-5 TO 10**-6
Claim 3
Dependent Claim
28 words
A PROCESS ACCORDING TO CLAIM 1 WHICH COMPRISES THE ADDITIONAL STEPS AFTER STEP (C) OF COOLING THE CLADDED URANIUM ROD AND PLACING SAID ROD IN A METALLIC CAN.
References Cited (Backward Citations)
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Cited
US2985571A
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US3139681A
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GB859503A
Cited
US3124875A
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US3158732A
Cited
US3235958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |