| 摘要 |
FIELD: construction. SUBSTANCE: invention is designed for use at repair of underground metal pipelines. According to proposed method, organic binder is applied to pipeline by injecting into group at place of damaged anticorrosive insulating coating of pipeline. Binder injected into ground surrounding place of damaged insulation penetrates through cracks of old insulation to surface of metal, thus filling up spots of damage in coating and forming new insulating coating. EFFECT: simplified process of repair of pipeline insulating coating. 2 cl, 1 tbl |
