FIELD: construction engineering; repair of external surfaces of pipe lines. SUBSTANCE: arranged on body of proposed device are cleaning and banding units and lateral hinge grips. Wheels of body rest on pipe line. In placing the device on pipe line, lateral grips come together and get self-aligned. Upon completion of repair, device is placed on uprights found on ground. EFFECT: extended field of application of equipment. 2 cl, 5 dwg
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MACHINE FOR CLEANING EXTERNAL SURFACES OF PIPE LINES | 1998 |
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RU2146566C1 |
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RU2121619C1 |
Authors
Dates
2000-11-10—Published
1998-11-13—Filed