DEVICE FOR AIR CLEANING OF INNER SIDE OF PIPES Russian patent published in 1997 - IPC

Abstract RU 2088347 C1

FIELD: pipeline engineering. SUBSTANCE: device has hollow housing, working member, and drive of the working member. The working member is made up as a collet knife fixed to the housing. The drive of working member is an air cylinder arranged inside the housing of the device and provided with a step shock piston received in it for permitting reciprocation. The piston interacts with collet knife. The collet knife is detachably mounted on the housing. EFFECT: enhanced efficiency. 4 cl, 1 dwg

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RU 2 088 347 C1

Authors

Denisov V.N.

Lesnjak V.I.

Denisov B.M.

Dates

1997-08-27—Published

1993-12-14—Filed