APPARATUS FOR CLEANING INNER SURFACE OF TUBES Russian patent published in 2002 - IPC

Abstract RU 2182528 C2

FIELD: exploitation of water conduit and sewerage in municipal engineering, industrial plants and building. SUBSTANCE: apparatus includes housing with inflated envelope inside it. Said envelope is inflated at cleaning tube and it is released when apparatus is introduced or removed. Inflated envelope pushes apart housing; at changing pressure inside envelope it is possible to adjust pressure effort of working organs on tube surface. Housing with working organs secured to it is in the form of flexible durable envelope; inflated envelope is flexible, non-stretched and it has fluid-tight coating. EFFECT: improved design. 1 dwg

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RU 2 182 528 C2

Authors

Zhdanov M.G.

Dates

2002-05-20Published

1999-04-21Filed