FIELD: construction.
SUBSTANCE: invention relates to a connection device for a pipe (10), comprising a coupling (1) for placement of a section of the pipe (10) and a sealing unit (3, 12), which is installed to ensure sealing around the pipe (10), when it is at least partially inserted into the coupling, besides, the sealing unit comprises multiple elements (4), which form a part of a substantially closed ring, at the same time the sealing unit additionally comprises a rubber ring (12), at least the first section of which is located between the pipe and elements, and the second section is arranged between elements and the coupling, at the same time the elements are equipped with interacting connections "ledge (6) - slot (7)" stretching along the circumference, which are arranged at sides (8) of the elements facing the second section of the rubber ring adjacent to the coupling.
EFFECT: improved design.
8 cl, 4 dwg
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