FR2595668B1 - Dispositif d'obturation d'un orifice a l'interieur d'une enceinte accessible seulement par un autre orifice de dimensions inferieures a celles de l'orifice a obturer - Google Patents

Dispositif d'obturation d'un orifice a l'interieur d'une enceinte accessible seulement par un autre orifice de dimensions inferieures a celles de l'orifice a obturer

Info

Publication number
FR2595668B1
FR2595668B1 FR8603747A FR8603747A FR2595668B1 FR 2595668 B1 FR2595668 B1 FR 2595668B1 FR 8603747 A FR8603747 A FR 8603747A FR 8603747 A FR8603747 A FR 8603747A FR 2595668 B1 FR2595668 B1 FR 2595668B1
Authority
FR
France
Prior art keywords
orifice
shuttering
closed
those
another
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
FR8603747A
Other languages
English (en)
Other versions
FR2595668A1 (fr
Inventor
Jean-Louis Lamirand
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.)
Bertin Technologies SAS
Original Assignee
Bertin et Cie 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 Bertin et Cie SA filed Critical Bertin et Cie SA
Priority to FR8603747A priority Critical patent/FR2595668B1/fr
Publication of FR2595668A1 publication Critical patent/FR2595668A1/fr
Application granted granted Critical
Publication of FR2595668B1 publication Critical patent/FR2595668B1/fr
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)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
FR8603747A 1986-03-17 1986-03-17 Dispositif d'obturation d'un orifice a l'interieur d'une enceinte accessible seulement par un autre orifice de dimensions inferieures a celles de l'orifice a obturer Expired FR2595668B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8603747A FR2595668B1 (fr) 1986-03-17 1986-03-17 Dispositif d'obturation d'un orifice a l'interieur d'une enceinte accessible seulement par un autre orifice de dimensions inferieures a celles de l'orifice a obturer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8603747A FR2595668B1 (fr) 1986-03-17 1986-03-17 Dispositif d'obturation d'un orifice a l'interieur d'une enceinte accessible seulement par un autre orifice de dimensions inferieures a celles de l'orifice a obturer

Publications (2)

Publication Number Publication Date
FR2595668A1 FR2595668A1 (fr) 1987-09-18
FR2595668B1 true FR2595668B1 (fr) 1988-06-03

Family

ID=9333172

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8603747A Expired FR2595668B1 (fr) 1986-03-17 1986-03-17 Dispositif d'obturation d'un orifice a l'interieur d'une enceinte accessible seulement par un autre orifice de dimensions inferieures a celles de l'orifice a obturer

Country Status (1)

Country Link
FR (1) FR2595668B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5238054A (en) * 1990-11-26 1993-08-24 Westinghouse Electric Corp. Steam generator nozzle dam

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1649720A (en) * 1926-10-25 1927-11-15 Moffitt Frank Handhole plate
FR2532715A1 (fr) * 1982-09-07 1984-03-09 Thome Paul Dispositif d'obturation du circuit primaire de reacteurs nucleaires
FR2545971B3 (fr) * 1983-05-11 1986-07-11 Thome Jean Patrick Methode et 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
US4637588A (en) * 1984-04-30 1987-01-20 Westinghouse Electric Corp. Non-bolted ringless nozzle dam

Also Published As

Publication number Publication date
FR2595668A1 (fr) 1987-09-18

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Legal Events

Date Code Title Description
ST Notification of lapse