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 (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
ZA77451B (en) 1977-12-28
BE851245A (fr) 1977-08-09
FR2340489A1 (fr) 1977-09-02

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