METHOD OF SEALING IONISING RADIATION SOURCE AND APPARATUS THEREFOR Russian patent published in 2015 - IPC G21G4/04 

Abstract RU 2555749 C1

FIELD: chemistry.

SUBSTANCE: method of sealing an ionising radiation source includes sealing the ionising radiation source placed in a capsule (19) which is sealed by argon-arc welding. The ionising radiation source used is a cobalt workpiece, wherein the capsule is made in the form of a stainless steel (4) cup. The capsule is sealed by a stainless steel seal cap (20) welded around the capsule. Argon-arc welding is carried out using a nonconsumable electrode without a additives in the medium of a protective gas in radiation-protective hot chambers. The disclosed apparatus includes a capsule with an ionising radiation source and an argon-arc welding device, mounted in a welding head (10) which is mounted on a transfer mechanism (6). The welding head consists of a housing (11), an electricity supply device (12), a socket piece (13) for feeding protective gas and a welding nozzle (14).

EFFECT: enabling remote use of the method and apparatus for sealing an ionising radiation source in radiation-protective hot chambers.

7 cl, 2 dwg

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RU 2 555 749 C1

Authors

Drjagin Sergej Jur'Evich

Zhukov Andrej Viktorovich

Sobolev Aleksej Aleksandrovich

Kozlov Dmitrij Vladimirovich

Fomin Aleksandr Nikolaevich

Torchilkin Sergej Gennad'Evich

Buranov Aleksandr Petrovich

Torchilkina Irina Ivanovna

Pestova Valentina Prokof'Evna

Nuzhdov Artem Nikolaevich

Buranova Natal'Ja Aleksandrovna

Svetukhin Vjacheslav Viktorovich

Tabakin Evgenij Mordukhovich

Torgashov Il'Ja Vladimirovich

Dates

2015-07-10Published

2014-03-24Filed