METHOD OF PIPELINE RESTORATION AND DEVICE FOR IMPLEMENTATION THEREOF Russian patent published in 2012 - IPC F16L58/00 B08B9/02

Abstract RU 2451869 C2

FIELD: mechanical engineering.

SUBSTANCE: at first simultaneous cleaning and coating application are followed by simultaneous tamping and coating application. A method is implemented by a device comprising a shaft with centre bosses which accommodates a number of lines of elastic and flexible petals forming cracks on the periphery of the device.

EFFECT: extended range of the instruments.

2 cl, 7 dwg

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RU 2 451 869 C2

Authors

Shishkin Viktor Vasil'Evich

Akinshina Alina Vladimirovna

Dates

2012-05-27—Published

2010-04-05—Filed