Patent ID: 9176071
Filing Date: 2015-11-03
Classification: G01N

Abstract:
1. A device for detecting a defect in or on a wall of an article having at least one end provided with an edge having an end face, said device comprising: a support intended to support said article, a light source capable of emitting a light at least in a direction D, and a filter positioned with respect to said light source so as to stop at least part of the light of said light source which is emitted or diffused out of said direction D, said filter being provided with at least a hole intended to receive said article when said article is provided on said support, wherein said support is positioned with respect to said light source and said filter so that, when said article is provided on said support, the end face of said edge is substantially perpendicular to said direction D, and wherein said filter comprises an enclosure substantially surrounding said light source and said edge.