US3136051A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cladding of nuclear fuel elements
Assignee: Individual
•
Filing: 1962-10-11
•
Granted: 1964-06-09
•
Expires: 1982-10-11
Abstract
No abstract record available.
Inventors
- 👤 Frank B Quinlan
- 👤 Robert G Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:07
CPC Classifications
G; G21; G21C; G21C21/00; G21C21/02; G21C21/10; B; B23; B23K; B23K20/00; B23K20/04; B23K20/22; B23K20/227; B23K35/00; B23K35/001; B23K35/005; C; C22; C22C; C22C28/00; G21C3/00; G21C3/02; G21C3/04; G21C3/16; G21C3/20; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A PROCESS OF JOINING A FERROUS METAL TO A CORE OF A METAL SELECTED FROM THE GROUP CONSISTING OF URANIUM, ZIRCONIUM, URANIUM-BASE ALLOYS AND ZIRCONIUM-BASE ALLOYS, COMPRISING SUPERIMPOSING MOLYBDENUM FOIL ON SAID CORE ALL ALONG THE SURFACES TO BE JOINED TO THE FERROUS METAL; PLACING PLATES OF FERRUS METAL IONTO SAID MOLYBDENUM FOIL, WHREBY A SANDWICH-LIKE ASSEMBLY IS FORMED; ENCASING THE ASSEMBLY IN AN EVACUATED CONTAINER; SEALING THE CONTAINER; HEATING THE ENCASED ASSEMBLY TO BETWEEN 600 AND 1000*C.; RAPIDLY FORGING THE THUS-HEATED ASSEMBLY UNTIL ITS THICKNESS IS REDUCED TO AOBUT 50%; BRINGING THE ASSEMBLY AGAIN TO A TEMPERATURE OF BETWEEN 600 AND 1000*C. AND MAINTAINING SAID TEMPERATURE FOR APPROXI-M MATERLY TWO HOURS; CROSS-ROLLING THE ENCASED ASSEMBLY UNTIL ITS THICKNESS IS REDUCED TO ABOUT 20% OF ITS ORIGINAL THICKNESS; MAINTAINING THE TEMPERATURE OF BETWEEN 600 AND 1000*C. FOR ABOUT ANOTHER HOUR; COOLING THE ENCASED ASSEMBLY IN AIR; AND REMOVING THE CONTAINER FROM THE ASSEMBLY.
Claim 2
Dependent Claim
153 words
A PROCESS OF JOINING A FERROUS METAL TO A CORE OF A METAL SELECTED FROM THE GROUP CONSISTING OF URANIUM, ZIRCONIUM, URANIUM-BASE ALLOYS AND ZIRCONIUM-BASE ALLOYS, COMPRISING SUPERIMPOSING MOLYBDENUM FOIL ON SAID CORE ALL ALONG THE SURFACES TO BE JOINED TO THE FERROUS METAL; PLACING PLATES OF FERRUS METAL IONTO SAID MOLYBDENUM FOIL, WHREBY A SANDWICH-LIKE ASSEMBLY IS FORMED; ENCASING THE ASSEMBLY IN AN EVACUATED CONTAINER; SEALING THE CONTAINER; HEATING THE ENCASED ASSEMBLY TO BETWEEN 600 AND 1000*C.; RAPIDLY FORGING THE THUS-HEATED ASSEMBLY UNTIL ITS THICKNESS IS REDUCED TO AOBUT 50%; BRINGING THE ASSEMBLY AGAIN TO A TEMPERATURE OF BETWEEN 600 AND 1000*C. AND MAINTAINING SAID TEMPERATURE FOR APPROXI-M MATERLY TWO HOURS; CROSS-ROLLING THE ENCASED ASSEMBLY UNTIL ITS THICKNESS IS REDUCED TO ABOUT 20% OF ITS ORIGINAL THICKNESS; MAINTAINING THE TEMPERATURE OF BETWEEN 600 AND 1000*C. FOR ABOUT ANOTHER HOUR; COOLING THE ENCASED ASSEMBLY IN AIR; AND REMOVING THE CONTAINER FROM THE ASSEMBLY.
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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |