TUBE WINDING MANDREL AND METHOD OF ITS USE

摘要

FIELD: process engineering. ^ SUBSTANCE: invention relates to tube winding mandrel and method of its use. Proposed mandrel comprises sector plates arranged in symmetry about its rotational axis and jointed into units by coiled elements. Note here that sector plates and coiled elements are jointed together to move relative to each other. ^ EFFECT: possibility to produce various-diametre-and-shape tubes. ^ 14 cl, 3 dwg