DEVICE FOR HORIZONTAL CUTTING OF CORES FROM WELL WALLS OR CHANNELS Russian patent published in 2010 - IPC E21B49/06 G21C17/02 

Abstract RU 2378510 C1

FIELD: nuclear engineering.

SUBSTANCE: invention relates to devices designed to cut cores from well walls or channels and can be used in nuclear engineering to cutting graphite cores from channel-type uranium-graphite reactor lining. Proposed device comprises bearing rod with rotary drive, tubular cutter, and tubular cutter rotation-and-feed mechanism. The latter consists of drive bevel gear interacting with hollow gear shaft and fixed sleeve with outer thread arranged inside said hollow gear shaft. Note here that tubular cutter represents a sleeve with inner thread screwed on aforesaid fixed sleeve.

EFFECT: ease of cutting complete cores over entire width of graphite block at 90° to block location without using whatever means capable of destructing or fouling cores.

2 dwg

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Authors

Komarov Evgenij Alekseevich

Pavljuk Aleksandr Olegovich

Kotljarevskij Sergej Gennad'Evich

Shevchenko Anna Olegovna

Shevchenko Oleg Mikhajlovich

Dates

2010-01-10Published

2008-07-01Filed