ZA77451B - Device for closing off an aperture - Google Patents

Device for closing off an aperture

Info

Publication number
ZA77451B
ZA77451B ZA770451A ZA77451A ZA77451B ZA 77451 B ZA77451 B ZA 77451B ZA 770451 A ZA770451 A ZA 770451A ZA 77451 A ZA77451 A ZA 77451A ZA 77451 B ZA77451 B ZA 77451B
Authority
ZA
South Africa
Prior art keywords
aperture
closing
Prior art date
Application number
ZA770451A
Other languages
English (en)
Inventor
J Coussau
Original Assignee
Framatome Sa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Framatome Sa filed Critical Framatome Sa
Publication of ZA77451B publication Critical patent/ZA77451B/xx

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)
ZA770451A 1976-02-09 1977-01-26 Device for closing off an aperture ZA77451B (en)

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 (1)

Publication Number Publication Date
ZA77451B true ZA77451B (en) 1977-12-28

Family

ID=9168886

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA770451A ZA77451B (en) 1976-02-09 1977-01-26 Device for closing off an aperture

Country Status (4)

Country Link
BE (1) BE851245A (ja)
ES (1) ES455520A1 (ja)
FR (1) FR2340489A1 (ja)
ZA (1) ZA77451B (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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
FR2554208B1 (fr) * 1983-11-02 1986-01-17 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
FR2574975B1 (fr) * 1984-12-18 1987-01-09 Thome Jean Patrick Obturation du circuit primaire de reacteurs nucleaires depuis les generateurs de vapeur
EP0213024B1 (fr) * 1985-08-09 1989-07-12 Framatome Dispositif de mise en place et de maintien d'une plaque d'obturation d'un orifice dans une enceinte
US5048570A (en) * 1986-04-21 1991-09-17 Combustion Engineering Inc. Multisectioned nozzle dam
US5238054A (en) * 1990-11-26 1993-08-24 Westinghouse Electric Corp. Steam generator nozzle dam

Also Published As

Publication number Publication date
FR2340489B1 (ja) 1979-07-20
FR2340489A1 (fr) 1977-09-02
BE851245A (fr) 1977-08-09
ES455520A1 (es) 1978-01-16

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