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2 219 601

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IPC

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Application

2001120487/06, 2001-07-23

(24)

Start date

2001-07-23

(22)

Actual filing date

2001-07-23

(45)

Published

2003-12-20

(72)

Inventor

Chapaev I.G.Batuev V.I.Chinnov A.V.Zarubin M.G.Strukov Ju.V.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Zavod Khimkontsentratov"

DEVICE FOR MANUFACTURING BLANKS OF SPACER GRID CELLS FOR FUEL ASSEMBLIES Russian patent published in 2003 - IPC

Abstract RU 2219601 C2

FIELD: nuclear power engineering. SUBSTANCE: device has mechanism for cutting thin-walled long-measuring zirconium base alloy tubes into cell blanks. Mechanism is provided with movable posts arranged throughout entire length of thin-walled long-measuring tube. The latter is disposed in spring-loaded expanding chucks in top parts of posts for rotating expanding chucks about their axis together with thin-walled long- measuring tube and pusher feeding this tube to cutting area. Pusher is made in the form of movable post. Pushing rod is secured in top part of the latter for rotating about its axis coaxially with thin-walled long-measuring tube. Pushing rod length is greater than total length of all posts. Drilling is provided on pushing-rod end. This drilling equals inner diameter of thin- walled long-measuring tube having diametric slit on end. EFFECT: preventing damage to thin- walled tubes when cutting them into blanks for spacer grid cells. 1 cl, 5 dwg

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RU 2 219 601 C2

Authors

Chapaev I.G.

Batuev V.I.

Chinnov A.V.

Zarubin M.G.

Strukov Ju.V.

Dates

2003-12-20—Published

2001-07-23—Filed

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