US3354616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for loading and unloading a filter for radioactive gases
Assignee: Saint Gobain Techniques Nouvelles SA
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Filing: 1964-11-20
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Granted: 1967-11-28
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Expires: 1984-11-20
Abstract
No abstract record available.
Inventors
- 👤 Lucas Jean Claude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:10
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/0084; B01D46/0091; B01D46/0094; B01D46/0098; B01D46/88; G; G21; G21F; G21F5/00; G21F5/005; G21F5/008; G21F9/00; G21F9/02; Y; Y10; Y10S; Y10S55/00; Y10S55/06; Y10S55/09
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
109 words
THE METHOD OF REMOVING FROM A FILTER CASING, THROUGH A LOADING OPENING IN A WALL THEREOF, A FILTER ELEMENT FOR RADIOACTIVE GASES PASSED THROUGH SAID CASING, COMPRISING, FIXING THE MOUTH PORTION OF A SACK OF PLASTIC SHEET MATERIAL TO AND ABOUT THE OPENING, TO SEAL THE SAME, WITHDRAWING THE FILTER ELEMENT THROUGH THE OPENING AND INTO THE SACK, SEALING THE SACK BETWEEN THE FILTER ELEMENT THEREIN AND THE MOUTH PORTION OF THE SACK, AND SEVERING THE SEALED AREA OF THE SACK TO LEAVE A FIRST PORTION OF SAID AREA SEALING THE ELEMENT WITHIN THE SACK, AND A SECOND PORTION OF SAID AREA SEALING THE LOADING OPENING OF SAID CASING.
Claim 2
Independent Claim
109 words
THE METHOD OF REMOVING FROM A FILTER CASING, THROUGH A LOADING OPENING IN A WALL THEREOF, A FILTER ELEMENT FOR RADIOACTIVE GASES PASSED THROUGH SAID CASING, COMPRISING, FIXING THE MOUTH PORTION OF A SACK OF PLASTIC SHEET MATERIAL TO AND ABOUT THE OPENING, TO SEAL THE SAME, WITHDRAWING THE FILTER ELEMENT THROUGH THE OPENING AND INTO THE SACK, SEALING THE SACK BETWEEN THE FILTER ELEMENT THEREIN AND THE MOUTH PORTION OF THE SACK, AND SEVERING THE SEALED AREA OF THE SACK TO LEAVE A FIRST PORTION OF SAID AREA SEALING THE ELEMENT WITHIN THE SACK, AND A SECOND PORTION OF SAID AREA SEALING THE LOADING OPENING OF SAID CASING.
Claim 3
Dependent Claim
134 words
IN A FILTERING CAISSON FOR RADIOACTIVE FLUIDS, A FILTER CASING INCLUDING A VERTICAL FRONT WALL, A VERTICAL LEAD SHIELDING WALL PARALLEL WITH AND ADJACENT SAID VERTICAL WALL, THERE BEING FIRST AND SECOND REGISTERING LOADING OPENINGS IN SAID WALLS, RESPECTIVELY, A CIRCUMFERENTIALLY CONTINUOUS SHEET METAL COVER SUPPORT FIXED WITH AND ABOUT SAID FIRST OPENING REGISTRATION THEREWITH AND EXTENDING THROUGH SAID SECOND OPENING TO THE FRONT SIDE OF SAID SECOND WALL, TO TERMINATE IN A CIRCUMFERENTIALLY CORRUGATED FLANGE, A SACK OF FLEXIBLE PLASTIC MATERIAL HAVING ITS MOUTH PORTION FITTING OVER AND ABOUT SAID FLANGE AND THE CORRUGATIONS THEREOF, THE BODY OF SAID SACK BEING FOLDED INTO THE SPACE DEFINED AND SURROUNDED BY SAID FLANGE, AND AN IMPERFORATE COVER INCLUDING A SKIRT PORTION FITTING SNUGLY OVER AND ABOUT SAID FLANGE AND THE MOUTH PORTION OF SAID SACK.
Claim 4
Dependent Claim
134 words
IN A FILTERING CAISSON FOR RADIOACTIVE FLUIDS, A FILTER CASING INCLUDING A VERTICAL FRONT WALL, A VERTICAL LEAD SHIELDING WALL PARALLEL WITH AND ADJACENT SAID VERTICAL WALL, THERE BEING FIRST AND SECOND REGISTERING LOADING OPENINGS IN SAID WALLS, RESPECTIVELY, A CIRCUMFERENTIALLY CONTINUOUS SHEET METAL COVER SUPPORT FIXED WITH AND ABOUT SAID FIRST OPENING REGISTRATION THEREWITH AND EXTENDING THROUGH SAID SECOND OPENING TO THE FRONT SIDE OF SAID SECOND WALL, TO TERMINATE IN A CIRCUMFERENTIALLY CORRUGATED FLANGE, A SACK OF FLEXIBLE PLASTIC MATERIAL HAVING ITS MOUTH PORTION FITTING OVER AND ABOUT SAID FLANGE AND THE CORRUGATIONS THEREOF, THE BODY OF SAID SACK BEING FOLDED INTO THE SPACE DEFINED AND SURROUNDED BY SAID FLANGE, AND AN IMPERFORATE COVER INCLUDING A SKIRT PORTION FITTING SNUGLY OVER AND ABOUT SAID FLANGE AND THE MOUTH PORTION OF SAID SACK.
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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |