FIELD: lining pipe lines or passages. SUBSTANCE: method consists in pressing the lining tube impregnated with synthetic resin to inner surface of pipe line or passage. Prelining tube 12 is either connected with front end of lining tube 14 in such way that lining tube may be inserted by turning the prelining tube inside out into pipe line or passage, as a result, lining tube is drawn in to required position or rear end of lining tube is connected with inflatable tube 16 which is turned inside out in introducing the lining tube into pipe line or passage; then inflatable tube is turned inside out into lining tube for inflation of it. Preferable version contains prelining tube whose front end is connected with lining tube and inflatable tube connected with rear end of lining tube. EFFECT: enhanced reliability. 8 cl, 9 dwg
Authors
Dates
1996-12-10—Published
1990-03-19—Filed