FR2589535B3 - SCREW FIXING DEVICE FOR NUCLEAR FUEL ASSEMBLY AND ASSEMBLY REPAIR METHOD USING SUCH A DEVICE - Google Patents

SCREW FIXING DEVICE FOR NUCLEAR FUEL ASSEMBLY AND ASSEMBLY REPAIR METHOD USING SUCH A DEVICE

Info

Publication number
FR2589535B3
FR2589535B3 FR8516294A FR8516294A FR2589535B3 FR 2589535 B3 FR2589535 B3 FR 2589535B3 FR 8516294 A FR8516294 A FR 8516294A FR 8516294 A FR8516294 A FR 8516294A FR 2589535 B3 FR2589535 B3 FR 2589535B3
Authority
FR
France
Prior art keywords
assembly
nuclear fuel
screw fixing
repair method
fixing device
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
FR8516294A
Other languages
French (fr)
Other versions
FR2589535A1 (en
Inventor
Louis Guironnet
Michel Bline
Bruno Mouesca
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.)
Fragema
Original Assignee
Fragema
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 Fragema filed Critical Fragema
Priority to FR8516294A priority Critical patent/FR2589535B3/en
Priority to JP1986168230U priority patent/JPS62123599U/ja
Priority to BE0/217362A priority patent/BE905694A/en
Publication of FR2589535A1 publication Critical patent/FR2589535A1/en
Application granted granted Critical
Publication of FR2589535B3 publication Critical patent/FR2589535B3/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
    • G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
    • G21C3/334—Assembling, maintenance or repair of the bundles
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • F16B39/10—Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt
    • F16B39/103—Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt with a locking cup washer, ring or sleeve surrounding the nut or bolt head and being partially deformed on the nut or bolt head, or on the object itself
    • F16B39/105—Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt with a locking cup washer, ring or sleeve surrounding the nut or bolt head and being partially deformed on the nut or bolt head, or on the object itself locking the bold head or nut into a hole or cavity, e.g. with the cup washer, ring or sleeve deformed into a dimple in the cavity
    • 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
    • G21C3/06—Casings; Jackets
    • G21C3/12—Means forming part of the element for locating it within the reactor core
    • 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)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Mechanical Engineering (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Clamps And Clips (AREA)
  • Fuel-Injection Apparatus (AREA)
FR8516294A 1985-11-04 1985-11-04 SCREW FIXING DEVICE FOR NUCLEAR FUEL ASSEMBLY AND ASSEMBLY REPAIR METHOD USING SUCH A DEVICE Expired FR2589535B3 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR8516294A FR2589535B3 (en) 1985-11-04 1985-11-04 SCREW FIXING DEVICE FOR NUCLEAR FUEL ASSEMBLY AND ASSEMBLY REPAIR METHOD USING SUCH A DEVICE
JP1986168230U JPS62123599U (en) 1985-11-04 1986-11-04
BE0/217362A BE905694A (en) 1985-11-04 1986-11-04 SCREW FIXING DEVICE FOR NUCLEAR FUEL ASSEMBLY AND METHOD FOR REPAIRING ASSEMBLY USING SUCH A DEVICE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8516294A FR2589535B3 (en) 1985-11-04 1985-11-04 SCREW FIXING DEVICE FOR NUCLEAR FUEL ASSEMBLY AND ASSEMBLY REPAIR METHOD USING SUCH A DEVICE

Publications (2)

Publication Number Publication Date
FR2589535A1 FR2589535A1 (en) 1987-05-07
FR2589535B3 true FR2589535B3 (en) 1988-03-04

Family

ID=9324454

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8516294A Expired FR2589535B3 (en) 1985-11-04 1985-11-04 SCREW FIXING DEVICE FOR NUCLEAR FUEL ASSEMBLY AND ASSEMBLY REPAIR METHOD USING SUCH A DEVICE

Country Status (3)

Country Link
JP (1) JPS62123599U (en)
BE (1) BE905694A (en)
FR (1) FR2589535B3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4683108A (en) * 1985-12-10 1987-07-28 Westinghouse Electric Corp. Locking screw apparatus and method for underwater remote replacement
US4792429A (en) * 1987-08-24 1988-12-20 Combustion Engineering, Inc. Spring retention cap
US4986960A (en) * 1989-01-30 1991-01-22 The Babcock & Wilcox Company Two piece end fitting with hairpin springs
FR2676514B1 (en) * 1991-05-13 1993-09-10 Framatome Sa SECURITY SCREW ASSEMBLY OF TWO PARTS AND DEVICES FOR PRODUCING AND IMPLEMENTING SUCH AN ASSEMBLY.
CN110769959B (en) 2017-03-08 2022-03-29 Bwxt核能股份有限公司 Apparatus and method for blind bolt repair

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465916A1 (en) * 1979-09-19 1981-03-27 Framatome Sa SECURITY SCREW ASSEMBLY
JPS5912384A (en) * 1982-07-13 1984-01-23 原子燃料工業株式会社 Nuclear fuel assembly

Also Published As

Publication number Publication date
FR2589535A1 (en) 1987-05-07
JPS62123599U (en) 1987-08-05
BE905694A (en) 1987-05-04

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Legal Events

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TP Transmission of property