US3344211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of forming nuclear fuel bodies
Assignee: —
•
Filing: —
•
Granted: 1967-09-26
•
Expires: 1984-09-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:06
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/62; G21C3/626; B; B01; B01J; B01J2/00; B01J2/006; G21C3/64; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
100 words
A METHOD OF APPLYING TO NUCLEAR FUEL PARTICLES A OUTER COATING WHICH RESIDES IN TUMBLING THE FUEL PARTICLES IN A DRUM INTO WHICH POWDER GRAINS OF A MATRIX MATERIAL WHICH HAVE PREVIOUSLY TREATED WITH A BINDER ARE INTODUCED, AND SOFTENING THE BINDER BY CONTACTING THE POWDER GRAINS WITH A SOLVENT FOR THE BINDER AS THE GRAINS ENTER THE DRUM SUCH THAT THE FUEL PARTICLES ACQUIRE AN OUTER COATING OF THE POWDER GRAINS BY A SNOWBALLING EFFECT, WHICH COATING ALLOWS OF THE FUEL PARTICLES BEING FORMED INTO COMPACTS BY PRESSING HEATING WITHOUT THE NEED FOR ADDING FURTHER FILLER OR MATRIX MATERIAL.
Claim 2
Independent Claim
100 words
A METHOD OF APPLYING TO NUCLEAR FUEL PARTICLES A OUTER COATING WHICH RESIDES IN TUMBLING THE FUEL PARTICLES IN A DRUM INTO WHICH POWDER GRAINS OF A MATRIX MATERIAL WHICH HAVE PREVIOUSLY TREATED WITH A BINDER ARE INTODUCED, AND SOFTENING THE BINDER BY CONTACTING THE POWDER GRAINS WITH A SOLVENT FOR THE BINDER AS THE GRAINS ENTER THE DRUM SUCH THAT THE FUEL PARTICLES ACQUIRE AN OUTER COATING OF THE POWDER GRAINS BY A SNOWBALLING EFFECT, WHICH COATING ALLOWS OF THE FUEL PARTICLES BEING FORMED INTO COMPACTS BY PRESSING HEATING WITHOUT THE NEED FOR ADDING FURTHER FILLER OR MATRIX MATERIAL.
Claim 3
Independent Claim
148 words
A METHOD OF FORMING COMPACTS CONTAINING NUCLEAR FUEL PARTICLES DISPERSED IN A MATRIX MATERIAL COMPRISING APPLYING TO EACH OF THE PARTICLES AN OUTER LAYER OF MATRIX FORMING MATERIAL BY A METHOD OF WHICH COMPRISES PROVIDING A SUPPLY OF MATRIX FORMING MATERIAL IN POWDER FORM WHOSE GRAINS HAVE BEEN TREATED WITH AND CARRY A BINDER, TUMBLING THE FUEL PARTICLES IN A DRUM INTO WHICH THE POWDER GRAINS OF THE MATRIX FORMING MATERIAL IS INTRODUCED AS A FREE FLOWING POWDER, CONTACTING THE POWDER GRAINS AS THEY ENTER THE DRUM WITH A MIST OF A VOLATILE SOLVENT FOR THE BINDER, SUCH THAT THE PARTICLES ACQUIRE AN OUTER COATING OF THE POWDER GRAINS BY A SNOWBALLING EFFECT, TERMINATING THE TUMBLING AFTER THE REQUIRED AMOUNT OF MATRIX FORMING MATERIAL HAS BEEN INTRODUCED AND THEN FORMING A SELECTED MASS OF THE PARTICLES SO COATED INTO COMPACTS BY PRESSING AND HEATING TO SET THE BINDER.
Claim 4
Independent Claim
148 words
A METHOD OF FORMING COMPACTS CONTAINING NUCLEAR FUEL PARTICLES DISPERSED IN A MATRIX MATERIAL COMPRISING APPLYING TO EACH OF THE PARTICLES AN OUTER LAYER OF MATRIX FORMING MATERIAL BY A METHOD OF WHICH COMPRISES PROVIDING A SUPPLY OF MATRIX FORMING MATERIAL IN POWDER FORM WHOSE GRAINS HAVE BEEN TREATED WITH AND CARRY A BINDER, TUMBLING THE FUEL PARTICLES IN A DRUM INTO WHICH THE POWDER GRAINS OF THE MATRIX FORMING MATERIAL IS INTRODUCED AS A FREE FLOWING POWDER, CONTACTING THE POWDER GRAINS AS THEY ENTER THE DRUM WITH A MIST OF A VOLATILE SOLVENT FOR THE BINDER, SUCH THAT THE PARTICLES ACQUIRE AN OUTER COATING OF THE POWDER GRAINS BY A SNOWBALLING EFFECT, TERMINATING THE TUMBLING AFTER THE REQUIRED AMOUNT OF MATRIX FORMING MATERIAL HAS BEEN INTRODUCED AND THEN FORMING A SELECTED MASS OF THE PARTICLES SO COATED INTO COMPACTS BY PRESSING AND HEATING TO SET THE BINDER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |