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
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/en

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
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 (en) 1976-02-09 1976-02-09 Temporary cover plate for large duct openings - has hinged plate with rectangular access hole and door

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 (en)
ES (1) ES455520A1 (en)
FR (1) FR2340489A1 (en)
ZA (1) ZA77451B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2532715A1 (en) * 1982-09-07 1984-03-09 Thome Paul Shutoff device for the primary circuit of nuclear reactors.
FR2554208B1 (en) * 1983-11-02 1986-01-17 Framatome Sa PROVISIONAL SHUTTERING PANEL FOR A PASSAGE INSIDE AN ENCLOSURE ACCESSIBLE ONLY THROUGH A SMALLER SIZE
FR2568659A1 (en) * 1984-08-03 1986-02-07 Villejuif Etudes Indles Stopper with variable geometry
FR2574975B1 (en) * 1984-12-18 1987-01-09 Thome Jean Patrick CLOSURE OF THE PRIMARY CIRCUIT OF NUCLEAR REACTORS SINCE THE STEAM GENERATORS
EP0213024B1 (en) * 1985-08-09 1989-07-12 Framatome Device for placing and holding a cover for an opening inside a vessel
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 (en) 1979-07-20
ES455520A1 (en) 1978-01-16
FR2340489A1 (en) 1977-09-02
BE851245A (en) 1977-08-09

Similar Documents

Publication Publication Date Title
ZA771734B (en) Position testing device
JPS5375943A (en) Device for taking electrophotography
JPS5387877A (en) Device for closing container
ZA775016B (en) Closure device
JPS5296186A (en) Device for closing vessel
JPS53108591A (en) Closing device
ZA77451B (en) Device for closing off an aperture
JPS5323661A (en) Adjusting device for theodlite
JPS5383883A (en) Closing device
JPS5313300A (en) Markinggoff device for largeesized parts
JPS5335192A (en) Coronaashielding device for strainninsulator device
JPS5291521A (en) Opennclose device for hatch
JPS5328932A (en) Device for opening closing valve
JPS52118928A (en) Device for opening closing floodgate
JPS5336395A (en) Device for opening case
JPS52148388A (en) Device for opening can
JPS5380578A (en) Overrtravel device for microoswitch
JPS5321830A (en) Device for embanking
JPS5289826A (en) Byypass device for highhpressure valve
JPS5293140A (en) Device for opening closing floodgate
JPS5314500A (en) Automatic markinggoff device for largeesized parts
JPS52148389A (en) Device for opening can
HU175373B (en) Push closing device for openings
JPS52120739A (en) Device for identifying solid state
JPS5337861A (en) Device for inserting parts