US3356580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for containing radioactive fluid
Assignee: Individual
•
Filing: 1966-09-07
•
Granted: 1967-12-05
•
Expires: 1986-09-07
Abstract
No abstract record available.
Inventors
- 👤 Francis R Bell
- 👤 Ian P Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:38
CPC Classifications
G; G21; G21C; G21C13/00; G21C13/02; G21C13/06; G21C13/073; G21C13/0735; G21C13/10; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A NUCLEAR REACTOR HAVING A PRESSURE VESSEL WHEREIN A FLUID COOLANT IS EMPLOYED, CONTAINMENT APPARATUS FOR CLOSING A PENETRATION OPENING INTO THE PRESSURE VESSEL, WHICH APPARATUS COMPRISES INNER SEALING MEANS CLOSING THE PENETRATION OPENING, OUTER SEALING MEANS ALSO CLOSING THE PENETRATION OPENING AND DISPOSED OUTWARD OF SAID INNER SEALING MEANS, MEANS DEFINING A CHAMBER INTERMEDIATE SAID INNER AND OUTER SEALING MEANS, MEANS PROVIDING FLUID COMMUNICATION WITH SAID INTERMEDIATE CHAMBER THROUGH WHICH A FLUID CAN BE SUPPLIED THERETO AT A PRESSURE HIGHER THAN THE OPERATING PRESSURE OF THE NUCLEAR REACTOR, WHEREIN MEANS FOR INCREASING THE PRESSURE OF A FLUID IS CONNECTED TO SAID FLUID-COMMUNICATION PROVIDING MEANS AND WHEREIN MEANS IS PROVIDED TO CONNECT SAID PRESSURE-INCREASING MEANS TO THE FLUID COOLANT STREAM OF THE REACTOR.
Claim 2
Dependent Claim
124 words
IN A NUCLEAR REACTOR HAVING A PRESSURE VESSEL WHEREIN A FLUID COOLANT IS EMPLOYED, CONTAINMENT APPARATUS FOR CLOSING A PENETRATION OPENING INTO THE PRESSURE VESSEL, WHICH APPARATUS COMPRISES INNER SEALING MEANS CLOSING THE PENETRATION OPENING, OUTER SEALING MEANS ALSO CLOSING THE PENETRATION OPENING AND DISPOSED OUTWARD OF SAID INNER SEALING MEANS, MEANS DEFINING A CHAMBER INTERMEDIATE SAID INNER AND OUTER SEALING MEANS, MEANS PROVIDING FLUID COMMUNICATION WITH SAID INTERMEDIATE CHAMBER THROUGH WHICH A FLUID CAN BE SUPPLIED THERETO AT A PRESSURE HIGHER THAN THE OPERATING PRESSURE OF THE NUCLEAR REACTOR, WHEREIN MEANS FOR INCREASING THE PRESSURE OF A FLUID IS CONNECTED TO SAID FLUID-COMMUNICATION PROVIDING MEANS AND WHEREIN MEANS IS PROVIDED TO CONNECT SAID PRESSURE-INCREASING MEANS TO THE FLUID COOLANT STREAM OF THE REACTOR.
References Cited (Backward Citations)
US1665827A
Cited
US2816679A
Cited
US3140792A
Cited
US3154474A
Cited
FR1279425A
Cited
US3261611A
Cited
US3276619A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |