FIELD: machine building.
SUBSTANCE: invention relates to machine building, particularly to rivet-type fasteners. The proposed device comprises a sleeve with head, pin element with a head, stem, fastening section furnished with annular grooves receiving the aforesaid sleeve with head to be pressed therein in assembly and a breaking groove made ahead of the said stem. For an adequate fastening of the aforesaid sleeve with head on the said fastening section, the latter is furnished with a thrust annular element and circular groove. The said sleeve free end features a stepwise bending element to be fitted in the aforesaid circular groove so that it rests upon the thrust annular element. The sleeve inner channel is in direction from its head, and the stem represent truncated cones. The stem surface can be either rough or notched.
EFFECT: higher reliability.
2 cl, 4 dwg
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