Published April 8, 1988 | Version v1
Patent Metadata-only

Tight plug device for a traversing aperture

Creators

Description

This device comprises a sleeve and a plug. The internal diameter of the sleeve comprises a part with a diameter inferior at the diameter of the plug and terminated by a shoulder on which the plug leans. A hammering permits to fix the plug in the sleeve. The fixation is terminated by three seal welds. This device applies particularly to the sealing of pressurized water reactor steam generator tube plate

Availability note (English)

Available from Institut National de la Propriete Industrielle, Paris (France).

Abstract (French)

Le dispositif comporte un manchon et un bouchon. L'alesage interieur du manchon comporte une partie de diametre inferieur au diametre exterieur du bouchon terminee par un epaulement sur lequel vient s'appuyer le bouchon. Un retreint permet de fixer le bouchon dans le manchon. La fixation est terminee par trois soudures d'etancheite entre lesquelles sont prevus un orifice traversant la paroi laterale du manchon et un orifice traversant la paroi laterale du bouchon. Le dispositif s'applique en particulier au bouchage des alesages d'une plaque tubulaire de generateur de vapeur de reacteur nucleaire a eau sous pression

Additional details

Additional titles

Original title (French)
Dispositif de bouchage etanche d'un orifice traversant une paroi

Publishing Information

Imprint Pagination
13 p.
IPC:
Int. Cl. F16l55/10; G21d5/12.
IPC
Int. Cl. F16l55/10; G21d5/12.
Patent number
FR patent document 2604771/A/

INIS

Country of Publication
France
Country of Input or Organization
France
INIS RN
20008781
Subject category
S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
CLOSURES; PWR TYPE REACTORS; STEAM GENERATORS; TUBES
Descriptors DEC
BOILERS; ENRICHED URANIUM REACTORS; POWER REACTORS; REACTORS; THERMAL REACTORS; VAPOR GENERATORS; WATER COOLED REACTORS; WATER MODERATED REACTORS

Optional Information

Secondary number(s)
FR patent application 8613872.