DEVICE FOR TAKING SAMPLES OF COBALT CRUSTS Russian patent published in 1996 - IPC

Abstract RU 2068096 C1

FIELD: mining industry; efficiently applicable in taking samples and trial operation of cobalt crusts. SUBSTANCE: device for taking samples of cobalt crusts consists of main drill pipe string 1 and additional drill pipe string 3, disperser 2, confuser 4 provided with rolling bearings of rock cutting members. Additional pipe string is made in the lower part in form of confuser 4 provided with spring-loaded thrust ball members 8. Crusts are broken in closed volume of confuser 4. EFFECT: higher efficiency. 2 dwg

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RU 2 068 096 C1

Authors

Chernej Eh.I.

Markov A.E.

Khershberg B.L.

Chernej O.Eh.

Dates

1996-10-20—Published

1990-08-01—Filed