FIELD: erection of pipe lines; joints for pressure pipes; gaskets for prevention of separation of joints. SUBSTANCE: holding member used for prevention of separation of telescopic pipes includes contractile body made from elastomer material and fitted with metal segments evenly distributed around open end surface with row of teeth. At least four of these teeth are located over arc; some of metal segments are provided with tooth extending radially outside beyond end surface of metal segment opposite to open end. EFFECT: enhanced reliability. 8 cl, 8 dwg
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