DEVICE FOR TRENCHLESS REPLACEMENT OF PIPELINES Russian patent published in 2004 - IPC

Abstract RU 2221182 C2

FIELD: construction; repair and reconstruction of pipelines. SUBSTANCE: proposed device contains pneumatic shock machine moved along axis of old pipeline and pulling device in form cable hinge-secured on its housing, hood with cutting members for destruction of old pipe, expander for driving broken parts of old pipe into soil, coupling connected with expander for fastening new section of pipe, anvil with shoulder and holes to pass members of pulling device installed for movement relative to housing. Shoulder of anvil rests on hood engaging with shoulder at transmission of shock impulse. EFFECT: enlarged range of technical means. 1 dwg

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RU 2 221 182 C2

Authors

Abramenkov D.Eh.

Abramenkov Eh.A.

Smirnykh I.V.

Shurygin V.L.

Dates

2004-01-10Published

2001-11-12Filed