METHOD OF COATING PRODUCTION FOR INNER SURFACE OF PIPELINE Russian patent published in 2020 - IPC F16L58/02 

FIELD: pipelines.

SUBSTANCE: invention relates to recovery of pipelines and protection of their inner surface from corrosion, can be used in municipal services, land reclamation, oil, gas and other industries and is intended for improvement of expansion and pressing of end of fabric hose to inner surface of pipeline. Method of coating for internal surface of pipeline, including fabric sleeve without laminating layer, which is impregnated with curable binder. Film sleeve is threaded on the hollow console. At the input of the console to the head end of the film sleeve, an end of the long material is tied, the film sleeve is turned and with the help of a long material is moved inside the cantilever until its end from it is released. Then, at the input of the console, the fabric sleeve is aligned with the film sleeve to form a combined sleeve which is pulled through the cantilever.

EFFECT: invention improves the coating quality and reduces the coating fabrication labor intensity.

1 cl, 1 dwg