Patent ID: 7823505
Filing Date: 2010-11-02
Classification: B41F

Abstract:
1. A machine for marking hollow parts, comprising a marking member which contacts a hollow part along at least one line of tangency with the hollow part during a marking operation, first and second mandrels capable of supporting respectively a first part to be marked and a second part previously marked on the first mandrel by the marking member, a control camera placed at a focal length from a marked surface on the second part, wherein the first mandrel is capable of moving the first part relative to the marking member in rotation about an axis and in translation parallel to two axes perpendicular to one another and to the axis of rotation, the movement of the second mandrel being slaved and identical to that of the first mandrel, and the camera being capable of moving parallel to, and in synchronism with, the line of tangency between the marking member and the first part.