Published June 20, 1986 | Version v1
Patent

Device for actuating lead blocks closing access holes of hot cells with protective shields

Description

A device is described for closing holes in radiation protection shield by lead block of about the same thickness without expensive double hinges. Each hole is provided with a support where is fixed an independent removable U-shaped part bearing in its center a rotating and sliding rod that can be fixed to the plug and removed

Availability note (English)

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

Abstract (French)

Pour la manoeuvre de chacun des obturateurs d'une meme cellule, on a recours a un etrier independant agence de facon a venir cooperer de maniere amovible avec une glissiere rapportee horizontalement au-dessus de chaque orifice d'acces. Cet etrier est equipe d'une broche tournante et coulissante propre a se fixer par son extremite contre la face exterieure de chaque obturateur qui peut alors etre manoeuvre axialement et lateralement, a l'ouverture comme a la fermeture

Additional details

Additional titles

Original title (French)
Dispositif pour la manoeuvre des obturateurs associes aux orifices d'acces des cellules a ecran antiradiations

Publishing Information

Imprint Pagination
11 p.
IPC:
Int. Cl. G21f7/00.
IPC
Int. Cl. G21f7/00.
Patent number
FR patent document 2574977/A/

INIS

Country of Publication
France
Country of Input or Organization
France
INIS RN
18056633
Subject category
S61: RADIATION PROTECTION AND DOSIMETRY; S42: ENGINEERING;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
BIOLOGICAL SHIELDS; CLOSURES; RADIATION PROTECTION
Descriptors DEC
SHIELDS

Optional Information

Secondary number(s)
FR patent application 8419486.