The sealing apparatus for a coolant supply to a rotating spindle and Werkkzeugmaschine with such a sealing device

A sealing device for a coolant supply to a rotating spindle is characterized in that a first brush seal (4) and a second brush seal (5) on the spindle (2) are arranged behind one another in series. In this way, the technical problems of the prior art are avoided, and providing an improved apparatus, which enables a reliable sealing of the supply of coolant to a high speed rotating tool spindle, having no sudden failure and yet which is inexpensive to manufacture and assemble.