FIELD: metallurgy.
SUBSTANCE: shaping node contains profiling element in the form of membrane and one or several profiling ring lugs connected to it, the membrane is installed with possibility of bending to ensure turn of these profiling ring lugs and their introduction to the pipe from inside, and the membrane is connected to one end by stock designed with possibility of movement along longitudinal axis.
EFFECT: enlarging manufacturing capabilities.
2 dwg
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