Patent ID: 8042574
Filing Date: 2011-10-25
Classification: F16L

Abstract:
1. An arrangement for a plug for sealing against an inner wall of a pipeline, said arrangement comprising: a main plug body having at least two elements moveable relative to one another ; a sealing means having an annular packer element, arranged between said moveable elements of said main body, said movable elements each have a surface in abutment against said packer element; and an actuation means for moving said sealing means from a retracted position to an extended position in contact with the inner wall of the pipeline; wherein said packer element has a radial inner section which is mainly incompressible in a direction transverse to a circumferential direction and where sections of the two surfaces in abutment against the inner section of the packer element in a retracted position, form different angles in relation to an axis in a radial direction in relation to a longitudinal axis of said main plug body.