CHAMBERED DOCTOR BLADE ASSEMBLY

摘要

A chambered doctor blade assembly which can be placed against a roller of an inking unit of a printing machine, in particular onto an engrav ed roller, has a chamber connected to the surface of the roller by means of an orifice through which printing ink can flow. The orifice can be closed and re-opened by means of a closing element which is arranged within the chamber and which ca n be brought into a closing position. When the closing element is in the closi ng position, printing ink can continue to flow through the chamber.