ES455520A1 - Dispositivo perfeccionado de obturacion de un orificio. - Google Patents

Dispositivo perfeccionado de obturacion de un orificio.

Info

Publication number
ES455520A1
ES455520A1 ES455520A ES455520A ES455520A1 ES 455520 A1 ES455520 A1 ES 455520A1 ES 455520 A ES455520 A ES 455520A ES 455520 A ES455520 A ES 455520A ES 455520 A1 ES455520 A1 ES 455520A1
Authority
ES
Spain
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.)
Expired
Application number
ES455520A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FRANCO AMERICAINE DE CONSTRUCT
Original Assignee
FRANCO AMERICAINE DE CONSTRUCT
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 FRANCO AMERICAINE DE CONSTRUCT filed Critical FRANCO AMERICAINE DE CONSTRUCT
Publication of ES455520A1 publication Critical patent/ES455520A1/es
Expired legal-status Critical Current

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)
ES455520A 1976-02-09 1977-02-01 Dispositivo perfeccionado de obturacion de un orificio. Expired ES455520A1 (es)

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
ES455520A1 true ES455520A1 (es) 1978-01-16

Family

ID=9168886

Family Applications (1)

Application Number Title Priority Date Filing Date
ES455520A Expired ES455520A1 (es) 1976-02-09 1977-02-01 Dispositivo perfeccionado de obturacion de un orificio.

Country Status (4)

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

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
DE3664373D1 (en) * 1985-08-09 1989-08-17 Framatome Sa 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
ZA77451B (en) 1977-12-28
BE851245A (fr) 1977-08-09
FR2340489A1 (fr) 1977-09-02
FR2340489B1 (fr) 1979-07-20

Similar Documents

Publication Publication Date Title
AT383975B (de) Feuerfeste wenigstens eine durchflussoeffnung aufweisende schieberplatte
GB2008677B (en) Axial flow fan with auxiliary blades
HK65483A (en) Razor handle with latch for pivotable cartridge
JPS5416016A (en) Gas turbine with secondary cooler
PT70769A (en) Turbulator with ganged strips
IT1158651B (it) Dispersioni di un solido particellare in un mezzo organico polare in presenza di un agente disperdente
YU41582B (en) Device for regulating the water flow an energy plant with a nuclear reactor
GB2009877B (en) Pipe section with closable access opening
ES455520A1 (es) Dispositivo perfeccionado de obturacion de un orificio.
AU3269778A (en) Fan blade assemblies for box fans
NZ191573A (en) Toilet with outlet closed by horizontally moved blade
JPS57109934A (en) Camera
AU524906B2 (en) Seal closure for a galvanic cell
SE428333B (sv) Energiabsorberande for tryck utlosande ventil
DE3064694D1 (en) Leak-proof electrochemical cell
AU522130B2 (en) Galvanic cell having a high pressure vent closure
BR7607254A (pt) Dispositivo de troca de containers instalado em frente a abertura de expulsao de uma prensa para lixo
GB2042196B (en) Latch mechanism for use with removable media
EP0004698A3 (en) Portable toilet with vent means for the holding tank
GB2050490B (en) Door closure for a rectangular container more particularly for use in aircraft construction
GB2030650B (en) Air pump with primary and secondary inlet flow channels
BR8006694A (pt) Abridor para recipientes fechados por meio de tampas do tipo coroa
GB1521191A (en) Concrete fodder silo having a discharge opening fitted with a removable closure
AU526827B2 (en) Closing mechanism for gas ducts, particularly ventilating ducts
GB1025991A (en) Improvements in concertina-type covers or guards for machine slideways