FIELD: machine building.
SUBSTANCE: plastic slide bushing is intended to be put on a connecting pipe and to clamp and to fix the end section of pipe on coupling fitting in clamping position. Slide bushing has internal wall which, when in clamping position, is at least partially adjacent to external wall of end pipe section. Internal wall includes at least one circumferential rib protruding relative to the rest internal wall; the above rib passes at least on one section of inner circumference of slide bushing.
EFFECT: invention allows avoiding undesired relative movement between slide bushing on one end and end pipe section on the other side, and simplifies the production process.
2 cl, 13 dwg
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