FR2340489A1 - Dispositif d'obturation d'un orifice - Google Patents
Dispositif d'obturation d'un orificeInfo
- Publication number
- FR2340489A1 FR2340489A1 FR7603456A FR7603456A FR2340489A1 FR 2340489 A1 FR2340489 A1 FR 2340489A1 FR 7603456 A FR7603456 A FR 7603456A FR 7603456 A FR7603456 A FR 7603456A FR 2340489 A1 FR2340489 A1 FR 2340489A1
- Authority
- FR
- France
- Prior art keywords
- cut out
- door
- diameter
- access hole
- cover plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/22—Drums; Headers; Accessories therefor
- F22B37/221—Covers for drums, collectors, manholes or the like
- F22B37/222—Nozzle dams introduced through a smaller manway, e.g. foldable
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7603456A FR2340489A1 (fr) | 1976-02-09 | 1976-02-09 | Dispositif d'obturation d'un orifice |
ZA770451A ZA77451B (en) | 1976-02-09 | 1977-01-26 | Device for closing off an aperture |
ES455520A ES455520A1 (es) | 1976-02-09 | 1977-02-01 | Dispositivo perfeccionado de obturacion de un orificio. |
BE174782A BE851245A (fr) | 1976-02-09 | 1977-02-09 | Dispositif d'obturation d'un orifice |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7603456A FR2340489A1 (fr) | 1976-02-09 | 1976-02-09 | Dispositif d'obturation d'un orifice |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2340489A1 true FR2340489A1 (fr) | 1977-09-02 |
FR2340489B1 FR2340489B1 (ja) | 1979-07-20 |
Family
ID=9168886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7603456A Granted FR2340489A1 (fr) | 1976-02-09 | 1976-02-09 | Dispositif d'obturation d'un orifice |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE851245A (ja) |
ES (1) | ES455520A1 (ja) |
FR (1) | FR2340489A1 (ja) |
ZA (1) | ZA77451B (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2532715A1 (fr) * | 1982-09-07 | 1984-03-09 | Thome Paul | Dispositif d'obturation du circuit primaire de reacteurs nucleaires |
FR2554208A1 (fr) * | 1983-11-02 | 1985-05-03 | Framatome Sa | Panneau d'obturation provisoire d'un passage a l'interieur d'une enceinte accessible seulement par un orifice de plus petites dimensions |
FR2568659A1 (fr) * | 1984-08-03 | 1986-02-07 | Villejuif Etudes Indles | Obturateur a geometrie variable |
FR2574975A1 (fr) * | 1984-12-18 | 1986-06-20 | Thome Jean Patrick | Obturation du circuit primaire de reacteurs nucleaires depuis les generateurs de vapeur |
EP0242615A2 (en) * | 1986-04-21 | 1987-10-28 | Combustion Engineering, Inc. | Improved multisectioned nozzle dam |
US4743054A (en) * | 1985-08-09 | 1988-05-10 | Framatome | Device for the installation and retention of a shutter plate for an opening in an enclosure |
EP0488639A1 (en) * | 1990-11-26 | 1992-06-03 | Westinghouse Electric Corporation | A nozzle dam and process for closing off a nozzle of a steam generator |
-
1976
- 1976-02-09 FR FR7603456A patent/FR2340489A1/fr active Granted
-
1977
- 1977-01-26 ZA ZA770451A patent/ZA77451B/xx unknown
- 1977-02-01 ES ES455520A patent/ES455520A1/es not_active Expired
- 1977-02-09 BE BE174782A patent/BE851245A/xx not_active IP Right Cessation
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2532715A1 (fr) * | 1982-09-07 | 1984-03-09 | Thome Paul | Dispositif d'obturation du circuit primaire de reacteurs nucleaires |
FR2554208A1 (fr) * | 1983-11-02 | 1985-05-03 | Framatome Sa | Panneau d'obturation provisoire d'un passage a l'interieur d'une enceinte accessible seulement par un orifice de plus petites dimensions |
EP0141738A1 (fr) * | 1983-11-02 | 1985-05-15 | Framatome | Panneau d'obturation provisoire d'un passage à l'intérieur d'une enceinte accessible seulement par un orifice de plus petites dimensions |
FR2568659A1 (fr) * | 1984-08-03 | 1986-02-07 | Villejuif Etudes Indles | Obturateur a geometrie variable |
FR2574975A1 (fr) * | 1984-12-18 | 1986-06-20 | Thome Jean Patrick | Obturation du circuit primaire de reacteurs nucleaires depuis les generateurs de vapeur |
US4743054A (en) * | 1985-08-09 | 1988-05-10 | Framatome | Device for the installation and retention of a shutter plate for an opening in an enclosure |
EP0242615A2 (en) * | 1986-04-21 | 1987-10-28 | Combustion Engineering, Inc. | Improved multisectioned nozzle dam |
EP0242615A3 (en) * | 1986-04-21 | 1987-12-16 | Combustion Engineering, Inc. | Improved multisectioned nozzle dam |
EP0488639A1 (en) * | 1990-11-26 | 1992-06-03 | Westinghouse Electric Corporation | A nozzle dam and process for closing off a nozzle of a steam generator |
Also Published As
Publication number | Publication date |
---|---|
ES455520A1 (es) | 1978-01-16 |
FR2340489B1 (ja) | 1979-07-20 |
ZA77451B (en) | 1977-12-28 |
BE851245A (fr) | 1977-08-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |