Patent ID: 9010203
Filing Date: 2015-04-21
Classification: B29C,B29K,G01N

Abstract:
1. An apparatus for the examination of the internal wall of a tube by turning inside out a tube portion the section of which is open over an arc of its circumference, in particular over approximately a quarter of its circumference, the apparatus comprising: two adjacent parallel bars, mounted to slide in a frame and adapted to be moved in a plane of the bars, around which bars may be engaged the concave side of the open portion of the tube, with a geometrical axis of the tube being parallel to the bars, pusher means for pushing in a direction substantially orthogonal to the plane of the bars, adapted to come to bear against the exterior convex area of the tube portion, and spreader means adapted to move the bars apart in response to the pushing against the convex area of the tube portion, wherein the tube portion may be turned inside out on either side of the pushing area.