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2 105 358

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IPC

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Application

96118030/25, 1996-09-03

(22)

Actual filing date

1996-09-03

(45)

Published

1998-02-20

(72)

Inventor

Eperin A.P.Shavlov M.V.Garusov Ju.V.Beljanin L.A.Cherkashov Ju.M.Bogdanov V.I.

(73)

Holder

Gosudarstvennoe Predprijatie Leningradskaja Atomnaja Ehlektrostantsija Im.V.I.Lenina

METHOD FOR RECOVERING SERVICEABILITY OF EXPANSION DEVICE IN PROCESS CHANNEL OF URANIUM-GRAPHITE REACTOR Russian patent published in 1998 - IPC

Abstract RU 2105358 C1

FIELD: nuclear reactors. SUBSTANCE: guide is mounted on tubing and gripping rod is dropped into tubing together with hanger. Safety slab is lifted by gripping rod through distance equal to working travel of expansion device and locked in position by means of hanger. Then gripping rod is replaced by manipulator and segmental members of supporting insert whose cross-sectional dimensions are smaller than graphite stacking channel are sequentially inserted in clearance formed between slab and stacking until they come in contact with side surfaces. Opposing segmental members are first to be installed and then safety slab is mounted onto them. EFFECT: facilitated procedure. 4 cl, 16 dwg

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RU 2 105 358 C1

Authors

Eperin A.P.

Shavlov M.V.

Garusov Ju.V.

Beljanin L.A.

Cherkashov Ju.M.

Bogdanov V.I.

Dates

1998-02-20—Published

1996-09-03—Filed

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