Published August 11, 1977 | Version v1
Patent Open

Closing device for the temporary flow medium-tight closure of a chamber taking up the reactor vessel of a nuclear reactor

Description

The reactor pressure vessel in nuclear reactors is generally placed in a chamber which can be flowded for radiation shielding whilst the fuel elements are exchanged. The invention deals with a closing device to close off the chamber flow medium-tight, enabling a fast closing and opening. According to the invention, screw spindles are proposed for this purpose. (RW)

Availability note (English)

MF available from INIS under the Report Number; Also available from Dt. Patentamt, Muenchen (FRG).

Abstract (German)

Bei Kernreaktoren befindet sich der Reaktordruckbehaelter im allgemeinen in einer Kammer, die zur Strahlenabschirmung geflutet werden kann, waehrend die Brennelemente ausgetauscht werden. Die Erfindung betrifft eine Verschlussanordnung zum stroemungsmitteldichten Verschliessen dieser Kammer, die ein schnelles und einfaches Verschliessen und Oeffnen gestatten. Erfindungsgemaess werden Schraubspindeln vorgeschlagen. (RW)

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Additional details

Additional titles

Original title (German)
Verschlussanordnung zum zeitweiligen stroemungsmitteldichten Verschliessen einer das Reaktorgefaess eines Kernreaktors aufnehmenden Kammer

Publishing Information

Imprint Pagination
4 p.
IPC:
Int. Cl. G21C 13/02.
IPC
Int. Cl. G21C 13/02.
Patent number
DE patent document 1904463/B/

INIS

Country of Publication
Germany
Country of Input or Organization
Germany
INIS RN
9395725
Subject category
S22: GENERAL STUDIES OF NUCLEAR REACTORS;
Descriptors DEI
CLOSURES; FASTENERS; OPENINGS; PRESSURE VESSELS; REACTOR COMPONENTS; SHELLS; SHIELDS
Descriptors DEC
CONTAINERS

Optional Information

Notes
4 figs.