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2 256 244

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Application

2003129080/06, 2003-09-29

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Start date

2003-09-29

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Actual filing date

2003-09-29

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Published

2005-07-10

(72)

Inventor

Chapaev I.G.Bychikhin N.A.Batuev V.I.Chinnov A.V.Mamykin S.A.Zarubin M.G.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Zavod Khimkontsentratov"

METHOD FOR MANUFACTURING FUEL ASSEMBLY SPACER GRID AND DEVICE FOR PRODUCING SUBCHANNEL BLANKS FOR SPACER GRID Russian patent published in 2005 - IPC

Abstract RU 2256244 C2

FIELD: nuclear power engineering; spacer grid manufacture for nuclear reactor fuel assemblies.

SUBSTANCE: spacer grid subchannels are produced from thin-wall tube by its chipless cutting into blanks with aid of rotary knife edges as they approach external and internal surfaces of revolving thin-wall tube; in the process operations of thin-wall tube division into blanks, chamfering opposing ends of blank, and burring them are combined.

EFFECT: enhanced yield, safety in operation, and productivity due to reduced number of operations.

3 cl, 6 dwg

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RU 2 256 244 C2

Authors

Chapaev I.G.

Bychikhin N.A.

Batuev V.I.

Chinnov A.V.

Mamykin S.A.

Zarubin M.G.

Dates

2005-07-10—Published

2003-09-29—Filed

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