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2 201 628

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Application

2001115415/06, 2001-06-04

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Start date

2001-06-04

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Actual filing date

2001-06-04

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Published

2003-03-27

(72)

Inventor

Vatulin A.V.Mishunin V.A.Pashkov V.D.Solonin M.I.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Issledovatel'Skij Institut Neorganicheskikh Materialov Im. Akad. A.A.Bochvara"

METHOD FOR MANUFACTURING NUCLEAR REACTOR FUEL ELEMENT Russian patent published in 2003 - IPC

Abstract RU 2201628 C2

FIELD: nuclear power engineering. SUBSTANCE: method for manufacturing fuel elements for nuclear reactors including liquidmetal-cooled ones involves manufacture of lead tube inserted in fuel element can throughout active length of fuel element. Auxiliary clearance between can and lead tube is taken up by means of drift-pin. Bottom end of can is treated and bottom plug is welded. Ceramic pellets are charged into lead-covered can and locked in position within the latter. Top end of can is treated. Top plug is welded in controlled gas environment and finishing operations are made. EFFECT: enhanced uniformity of lead layer between fuel pile and can; facilitated procedure; simplified design of equipment used. 4 cl

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RU 2 201 628 C2

Authors

Vatulin A.V.

Mishunin V.A.

Pashkov V.D.

Solonin M.I.

Dates

2003-03-27—Published

2001-06-04—Filed

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