FIELD: collapsible flange for pipes with thrust shoulders at the ends.
SUBSTANCE: invention consists of identical interchangeable parts in form of ring sectors, laid in at least two layers so that the peripheral holes for the tie bolts in all layers are coaxial, and the lines of radial cuts are shifted relative to each other. Ring sectors of different layers are assembled together with rivets, screws, bolts and/or welding.
EFFECT: invention makes it possible to obtain a device with strength uniformly distributed along the circumference, the blanks of which are made from sheet material by laser cutting with a high material efficiency.
4 cl, 36 dwg
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