FIELD: machine building.
SUBSTANCE: crimp insertion has conic cross section on at least one part of its radial outside lying side surface. In at least one region radially inside lying wall facing the crimp insertion the crimp is conic relative to central axis of pipe end. Corresponding diametre of cone of crimp insertion (6) and wall (9) in direction of circular groove (3) decreases.
EFFECT: increased reliability of connection.
16 cl, 1 dwg
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Authors
Dates
2011-02-27—Published
2007-11-13—Filed