DEVICE FOR APPLICATION OF COATING TO PIPE INTERNAL SURFACE Russian patent published in 2001 - IPC

FIELD: devices for application of coatings to pipe internal surface. SUBSTANCE: device for application of coatings from polymer compositions to internal surfaces of pipes, particularly, pipelines for cooling liquid in steam condensers and heat exchangers has supply unit designed for intake and delivery of coating material and distribution of material from supply unit over pipe surface, and also control unit designed for control and regulation of supply of coating material and application of this material to pipe internal surface. Unit for coating application has guide hose with nozzle fitted on coated pipe and movable working hose passing through guide hose and provided with spraying nozzle introduced into coated pipe through nozzle of guide hose. EFFECT: higher productivity and quality of coating application to pipelines for cooling liquids. 14 cl, 3 dwg