SUPPORT-ALIGNMENT ITEM TO PROTECT INSULATING COATING OF PIPELINE IN PROTECTIVE JACKET (VERSIONS) Russian patent published in 2014 - IPC F16L7/00 

FIELD: construction.

SUBSTANCE: item comprises metal segments with threaded ties on their ends being fixed to each other by detachable joints. On the external surface of metal segments there are rolling bearings. Metal segments assembled form an inner ring, the internal diameter of which is equal to the diameter of the equipped pipeline in the place of item installation on it. Rolling bearings are made in the form of a pair of rollers from a wear-resistance dielectric material placed along the ring generatrix. Supports on the outer surface of the ring are arranged in staggered order. Depending on the diameter of the pipeline and length of the jacket, the item may be equipped with 2 or 4 supports, or from 6 to 12 supports with jacket length of more than 150 m.

EFFECT: reliable pulling of pipeline inside of protective jacket in case of its large lengths with provision of integrity of an insulating coating of a pipeline and guaranteed gap between a pipeline and a protective jacket.

3 cl, 2 dwg