FIELD: apparatuses for joining tubes, possibly restoration and manufacture of different type pipelines.
SUBSTANCE: apparatus includes rotary sleeve with lengthwise window for flexible belt wound in working gap between sleeve and butt jointed tubes. Lengthwise window is joined with inner surface of sleeve and it is through at one side where sleeve has step for bandage ring. Minimum length of sleeve is limited by two diameters of pipeline. There is adhesion layer, preferably of adhesive or sealing composition between flexible belt and butt mounted tubes. Value of working gap between outer surface of tubes and inner surface of sleeve consists of 4 - 8 thickness values of belt.
EFFECT: enlarged manufacturing possibilities for providing reliable high-quality joint at making and restoring pipelines, simplified design, easy process of manual assembling of joint.
1 cl, 3 dwg
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