US3183162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing system for the handling hood of a nuclear reactor
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1962-10-22
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Granted: 1965-05-11
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Expires: 1982-10-22
Abstract
No abstract record available.
Inventors
- 👤 Chemin Paul
- 👤 Lephilibert Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:11
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/20; G21C19/207; G21C19/02; G21C19/06; G21C19/08; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A SEALING SYSTEM BETWEEN THE HANDLING HOOD OF A NUCLEAR REACTOR AND A LOADIANG CHANNEL WHICH PASSES THROUGH THE REACTOR COVER, COMPRISING: A SEALING RING DISPOSED AROUND THE TOP ORIFICE OF SAID LOADING CHANNEL; RESILIENT MEANS NORMALLY SUPPORTING SAID RING SPACED ABOVE SAID ORIFICE; SEALING MEANS CONNECTING SAID RING AND SAID LOADING CHANNEL; A HANDLING HOOD HAVING A PASSAGE TO BE CONNECTED TO SAID CHANNEL DISPOSED ABOVE SAID SEALING RING AND SAID CHANNEL; AND MEANS MOUNTING SAID HOOD FOR VERTICAL MOVEMENT BETWEEN A FIRST POSITION SPACED ABOVE SAID SEALING RING AND A SECOND POSITION SEATED ON SAID RING AND IN SEALING ENGAGEMENT THEREWITH, SAID HOOD, WHEN IN SAID SECOND POSITION, MOVING SAID RING TOWARD SAID ORIFICE AGAINST THE ACTION OF SAID RESILIENT MEANS.
Claim 2
Dependent Claim
123 words
A SEALING SYSTEM BETWEEN THE HANDLING HOOD OF A NUCLEAR REACTOR AND A LOADIANG CHANNEL WHICH PASSES THROUGH THE REACTOR COVER, COMPRISING: A SEALING RING DISPOSED AROUND THE TOP ORIFICE OF SAID LOADING CHANNEL; RESILIENT MEANS NORMALLY SUPPORTING SAID RING SPACED ABOVE SAID ORIFICE; SEALING MEANS CONNECTING SAID RING AND SAID LOADING CHANNEL; A HANDLING HOOD HAVING A PASSAGE TO BE CONNECTED TO SAID CHANNEL DISPOSED ABOVE SAID SEALING RING AND SAID CHANNEL; AND MEANS MOUNTING SAID HOOD FOR VERTICAL MOVEMENT BETWEEN A FIRST POSITION SPACED ABOVE SAID SEALING RING AND A SECOND POSITION SEATED ON SAID RING AND IN SEALING ENGAGEMENT THEREWITH, SAID HOOD, WHEN IN SAID SECOND POSITION, MOVING SAID RING TOWARD SAID ORIFICE AGAINST THE ACTION OF SAID RESILIENT MEANS.
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) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |