Fluid irradiator and process for its manufacture
Abstract
Abstract AN ARTICLE FOR IRRADIATING A FLUID COMPRISING A CONTINOUS TUBULAR MATRIX IN CURVILINEAR FORM HAVING A FLUID INLET AND A FLUID OUTLET, A RADIOACTIVE MATERIAL DISPERSED SUBSTANTIALLY UNIFORMLY IN THE MATRIX TO PROVIDE AN ANNULAR RADIATION SOURCE, AND A PROCTECTIVE SHIELD SURROUNDING THE MATRIX TO PREVENT ESCAPE OF RADIOACTIVE ENERGY TO UNWANTED LOCATIONS. A PROCESS FOR THE PREPARATION OF A FLUID IRRADIATING ARTICLE COMPRISES IN COMBINATION THE STEPS OF PROVIDING A MATERIAL CAPABLE OF BEING MADE RADIOACTIVE, PROVIDING A POROUS TUBULAR MATRIX WHICH WILL HAVE A HALFLIFE LESS THAN SAID MATERIAL CAPABLE OF BEING MADE RADIOACTIVE WHEN SAID MATRIX AND SAID MATERIAL ARE MADE RADIOACTIVE BY THE SAME MEANS FOR THE SAME PERIOD, DEPOSITING SAID MATERIAL SUBSTANTIALLY UNIFORLY IN AT LEAST A PART OF THE POROUS PORTION OF THE POROUS TUBULAR MATRIX, SEALING AT LEAST THE OUTER SURFACE OF THE MATERIAL CONTAINING TUBULAR MATRIX TO PREVENT ESCAPE OF DEPOSITED MATERIAL TO FROM, AND SUBJECTING THE RESULTING SEALED TUBULAR MATRIX TO A MEANS FOR MAKING THE DEPOSITED MATERIAL RADIOACTIVE.
Inventors
- 👤 Bernard Manning
- 👤 Sigurd E Nelson
Bibliographic Details
Claims Analysis
Total Claims: 0References 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) | 1975-12-12 | 1976-06-12 | 1976-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-12 | 1980-06-12 | 1980-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-12 | 1984-06-12 | 1984-12-12 | $7700.00 | Window Closed / Lapsed |