DEVICE FOR SEALING AND INSULATION OF PIPELINES Russian patent published in 2010 - IPC F16L55/1645 F16L55/128 

Abstract RU 2406014 C2

FIELD: machine building.

SUBSTANCE: pipeline tool for use in pipeline comprises case with inner channel for flow passage, swelling element arranged around tool case, and temporary seal arranged in channel for flow passage. Pipeline tool may additionally comprise tracking device fixed to case and comprising mechanical fixator or transmitter, which transmits a signal that might be tracked.

EFFECT: reliability improvement.

49 cl

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RU 2 406 014 C2

Authors

Frejehr Rune

Ehbni Lorens Dzhejms

Arrington Stiv T.

Dates

2010-12-10Published

2007-06-08Filed