FIELD: machine building.
SUBSTANCE: pipe connection includes casing with taper which allows one or several longitudinal cuts, in each of which it is located capture able to move in radial direction between separated position of release and compact position of fixation. Captures are able to move from one position into the other ensured by curved surfaces located inside the check nut which is with ability of partly rotation installed at tapering of connection casing. Furthermore, nut has ability of interaction to taper which fixes it and prevents rotation into position of release.
EFFECT: invention increases joint reliability.
11 cl, 16 dwg
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