FIELD: process engineering.
SUBSTANCE: proposed method comprises introducing a hose made in modified thermoplastic polymer inside the pipe and its subsequent heating. Cross section of aforesaid polymer hose is at least 10% smaller than the pipe ID. Note here that aforesaid hose has its diametre increasing in heating to size 10% larger than pipe ID.
EFFECT: simplified procedure, higher quality of pipe inner surface coat.
5 cl, 3 ex, 1 dwg
| Title | Year | Author | Number | 
|---|---|---|---|
| METHOD TO PRODUCE THERMALLY EXPANDING HOSE FROM THERMOPLASTIC POLYMER (VERSIONS) | 2008 | 
 | RU2385228C2 | 
| EXTENDIBLE POLYMER HOSE AND ITS APPLICATION | 2012 | 
 | RU2548302C2 | 
| METHOD OF APPLYING POLYMERIC PROTECTIVE COATING OVER INNER SURFACE OF PIPELINE | 1993 | 
 | RU2028210C1 | 
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 | RU2724164C1 | 
| METHOD OF APPLYING A POLYMER COATING | 2019 | 
 | RU2717271C1 | 
| METHOD AND DEVICE FOR MOUNTING NEW PIPE INSIDE EXISTING PIPE LINE | 1989 | 
 | RU2025635C1 | 
| LAYERED TRANSFORMABLE HOSE | 2001 |  | RU2234025C2 | 
| METHOD FOR COATING OF PIPELINE INNER SURFACE | 1993 | 
 | RU2037734C1 | 
| METHOD OF FACING METAL TUBE INNER SURFACE BY POLYMER SLEEVE | 2010 | 
 | RU2424116C1 | 
| METHOD FOR SANITATION OF PIPELINE | 2019 | 
 | RU2744676C2 | 
Authors
Dates
2009-09-27—Published
2007-12-10—Filed