FR2608727B1 - Dispositif d'obturation d'un corps creux comprenant un element en materiau a memoire de forme - Google Patents

Dispositif d'obturation d'un corps creux comprenant un element en materiau a memoire de forme

Info

Publication number
FR2608727B1
FR2608727B1 FR8618043A FR8618043A FR2608727B1 FR 2608727 B1 FR2608727 B1 FR 2608727B1 FR 8618043 A FR8618043 A FR 8618043A FR 8618043 A FR8618043 A FR 8618043A FR 2608727 B1 FR2608727 B1 FR 2608727B1
Authority
FR
France
Prior art keywords
sealing
hollow body
shape memory
memory material
hollow
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
FR8618043A
Other languages
English (en)
Other versions
FR2608727A1 (fr
Inventor
Michel De Mendez
Daniel Olivier
Raymond Bargain
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.)
FCI France SA
Original Assignee
Souriau et Cie
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 Souriau et Cie filed Critical Souriau et Cie
Priority to FR8618043A priority Critical patent/FR2608727B1/fr
Publication of FR2608727A1 publication Critical patent/FR2608727A1/fr
Application granted granted Critical
Publication of FR2608727B1 publication Critical patent/FR2608727B1/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/10—Means for stopping flow from or in pipes or hoses
    • F16L55/12—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ
    • F16L55/128—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose
    • F16L55/13—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by plastic deformation
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/02—Fuel elements
    • G21C3/04—Constructional details
    • G21C3/16—Details of the construction within the casing
    • G21C3/18—Internal spacers or other non-active material within the casing, e.g. compensating for expansion of fuel rods or for compensating excess reactivity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
FR8618043A 1986-12-23 1986-12-23 Dispositif d'obturation d'un corps creux comprenant un element en materiau a memoire de forme Expired FR2608727B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8618043A FR2608727B1 (fr) 1986-12-23 1986-12-23 Dispositif d'obturation d'un corps creux comprenant un element en materiau a memoire de forme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8618043A FR2608727B1 (fr) 1986-12-23 1986-12-23 Dispositif d'obturation d'un corps creux comprenant un element en materiau a memoire de forme

Publications (2)

Publication Number Publication Date
FR2608727A1 FR2608727A1 (fr) 1988-06-24
FR2608727B1 true FR2608727B1 (fr) 1989-04-21

Family

ID=9342205

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8618043A Expired FR2608727B1 (fr) 1986-12-23 1986-12-23 Dispositif d'obturation d'un corps creux comprenant un element en materiau a memoire de forme

Country Status (1)

Country Link
FR (1) FR2608727B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59103194D1 (de) * 1990-03-15 1994-11-17 Bbc Reaktor Gmbh Metallische Hülse zur Überbrückung einer Leckagestelle eines Rohres.
FR2686410A1 (fr) * 1992-01-22 1993-07-23 France Etat Armement Dispositif assurant le deconfinement d'une charge contenant un explosif par mise en óoeuvre d'un element deformable en materiau a memoire de forme.
US5255298A (en) * 1992-08-04 1993-10-19 General Electric Company Locking sleeve plenum spring retainer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1614308B2 (de) * 1967-12-13 1976-04-01 Nukem Gmbh, 6450 Hanau Stabfoermiges brennelement fuer kernreaktoren
FR2100548A1 (en) * 1970-05-22 1972-03-24 Commissariat Energie Atomique Retaining element - for fuel tablets in a nuclear fuel 'needle' element
US4080253A (en) * 1976-09-21 1978-03-21 Westinghouse Electric Corporation Expandable device for a nuclear fuel rod
EP0137984A3 (en) * 1983-10-14 1986-02-05 Lummus Crest S.A.R.L. Tube repair insert for steam generator
FR2580853B1 (fr) * 1985-04-19 1989-12-08 Fragema Framatome & Cogema Crayon de combustible nucleaire a maintien d'empilement de pastilles

Also Published As

Publication number Publication date
FR2608727A1 (fr) 1988-06-24

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Legal Events

Date Code Title Description
ST Notification of lapse