US3175958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal barrier for nuclear reactor vessel
Assignee: SOC INDATOM
•
Filing: 1963-05-29
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Granted: 1965-03-30
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Expires: 1983-05-29
Abstract
No abstract record available.
Inventors
- 👤 Bourgade Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:36
CPC Classifications
G; G21; G21C; G21C11/00; G21C11/08; G21C11/083; G21C11/088; G21F; G21F1/00; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A THERMAL BARRIER FOR THE PRESTRESSED CONCRETE VESSEL OF A NUCLEAR REACTOR WHICH IS COOLED BY A GAS UNDER PRESSURE COMPRISING A NEST OF SPACED TUBES PARALLEL TO THE SURFACE OF THE CONCRETE AND THROUGH WHICH A COOLANT CIRCULATES, SAID TUBES BEING DISPOSED BETWEEN AT LEAST ONE THIN INTERNAL SHEET AND AN EXTERNAL SHEET IN THERMAL CONTACT WITH SAID TUBES, SAID EXTERNAL SHEET BEING OF GREATER THICKNESS THAN SAID OPPOSITELY FACING INTERNAL SHEET AND SAID INTERNAL SHEET BEING CORRUGATED FOR FACILITATING THERMAL DEFORMATIONS.
Claim 2
Dependent Claim
83 words
A THERMAL BARRIER FOR THE PRESTRESSED CONCRETE VESSEL OF A NUCLEAR REACTOR WHICH IS COOLED BY A GAS UNDER PRESSURE COMPRISING A NEST OF SPACED TUBES PARALLEL TO THE SURFACE OF THE CONCRETE AND THROUGH WHICH A COOLANT CIRCULATES, SAID TUBES BEING DISPOSED BETWEEN AT LEAST ONE THIN INTERNAL SHEET AND AN EXTERNAL SHEET IN THERMAL CONTACT WITH SAID TUBES, SAID EXTERNAL SHEET BEING OF GREATER THICKNESS THAN SAID OPPOSITELY FACING INTERNAL SHEET AND SAID INTERNAL SHEET BEING CORRUGATED FOR FACILITATING THERMAL DEFORMATIONS.
References Cited (Backward Citations)
US3016462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |