FLEXIBLE VENTILATION PIPELINE Russian patent published in 2000 - IPC

Abstract RU 2150583 C1

FIELD: mining industry; applicable in systems of ventilation of dead zones of deep open pits. SUBSTANCE: flexible ventilation pipeline includes separate members with internal fixed hole and tightly connected with one another. Members are made in the form of inflatable balloons filled with gas with provided buoyancy of assembled pipeline in ambient atmosphere. Members are interconnected to provide bending of pipeline in points of members joints. EFFECT: reduced weight of pipeline and increased its mobility. 2 dwg

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RU 2 150 583 C1

Authors

Morin A.S.

Butkin V.D.

Bartel' A.Ja.

Ivanova T.G.

Kas'Janova E.N.

Dates

2000-06-10—Published

1999-02-22—Filed