Contact element for transmitting current to a workpiece for use in electrochemical material working
AssigneeRobert Bosch GmbH
InventorWolfgang Mauz
Life of this patent
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Abstract
A contact element for transmitting current to a workpiece for use in electrochemical material working. The contact element (10) encompasses a contact carrier (11) and a contact piece (13) which is secured to the contact carrier (11) and comes in contact with the workpiece during operation. The contact carrier (11) comprises zirconium or a zirconium alloy. The contact piece (13) is a solid disk of platinum or a platinum alloy, and is welded to the end face (14) of the contact carrier (11).
Claims5
A contact element for transmitting current to a workpiece for use in electrochemical material working, said contact element having a contact carrier and a contact piece which is secured to the contact carrier and comes in contact with the workpiece during operation;
- and wherein the contact carrier is comprised of zirconium or a zirconium alloy;
- and the contact piece is a solid wafer which is welded to an end face of the contact carrier.
A contact element according to claim 2, wherein the contact piece is a disk whose diameter is smaller than the diameter of the end face of the contact carrier.
A contact element according to claim 3, wherein the contact piece comprises platinum or a platinum alloy.
A contact element for transmitting current to a workpiece for use in electrochemical material working, said contact element having a contact carrier and a contact piece which is secured to the contact carrier and comes in contact with the workpiece during operation;
- and wherein the contact carrier is comprised of zirconium or a zirconium alloy;
- and the contact piece comprises platinum or a platinum alloy and is welded to an end face of the contact carrier.
Dependencies are inferred from the claim text.