DEVICE FOR TRENCH FREE LAYING PIPELINES Russian patent published in 1995 - IPC

Abstract RU 2029827 C1

FIELD: trench free laying pipelines. SUBSTANCE: working member has an anvil mounted on it and loosening teeth placed with displacement as to vertical and horizontal directions. The front part of the working member is mounted on pneumatic carriage. The working member has inclined plate-like elevators generating a system of plows. The mechanism to impact working member is made in the form of hydraulic hammers. EFFECT: accelerated laying pipelines. 6 dwg

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RU 2 029 827 C1

Authors

Vozisov Nikolaj Ivanovich

Dates

1995-02-27—Published

1991-08-16—Filed