Magnetic marker for manufacturing processes and identification of finished workpieces

A magnetic marking and positioning system for use in marking workpieces, comprising:

• a means for locating a center of a workpiece;
• an automatated circuit connected to a means for securing the workpiece and a means for sending an electromagnetic pulse to the workpiece, said means for sending positioned at the workpiece center via the means for locating;
• and, means for opening the circuit concurrent with locating said workpiece center, whereby a permanent magnetic mark is embedded at said center;
• and
• wherein the magnetic mark embedded in the workpiece at each of the plurality of points divergent from the workpiece center includes data sufficient to identify the manufacturer, plant location, date of manufacture, machine operators, a product number, product identification and the like.

A system for marking a workpiece, comprising:

• a means for securing a workpiece in a fixed position;
• a means for embedding in the workpiece in said fixed position a permanent invisible indicator comprising a magnetic mark including a coded tag;
• and
• wherein the coded tag provides a workpiece identification including a manufacturer, a manufacture location, a manufacture date, a product identification and the like.

A magnetic marking and positioning system for marking workpieces, comprising:

• a means for locating a desired marking point on a workpiece;
• a pair of magnetizing heads each having an electromagnetic coil and mounted on identical positioning means and fixed to identical armatures, such that each magnetizing head is directed to the desired marking point for magnetically marking the workpiece;
• an automatated circuit connected to the identical positioning means and a means for sending an electromagnetic pulse to the workpiece, said means for sending positioned at the desired marking point of the workpiece via the means for locating;
• a means for opening the circuit concurrent with locating said desired marking point, wherein a coded magnetic mark is embedded at said point by a current across the coil;
• said coded magnetic mark including data sufficient to identify the manufacturer, plant location, date of manufacture, machine operator, a product number, product identification and the like.