trageinheit of newt and procedure for positioning of tragelementen of newt

摘要

The carrier unit can position the components (3) of a pig being moved through pipelines along the inner wall. The components are arranged on the radially expandable carrier elements (2) so that a uniform covering of the pipeline circumference by the components for different pipeline diameters is achieved. At least two of the carrier elements are pivoted to each other by a connecting member to keep them at uniform spacing in any expanded position.