Metal deforming – With use of control means energized in response to activator... – Including plural sensors or sensor responsive to comparison...
Reexamination Certificate
2006-06-27
2006-06-27
Jones, David (Department: 3725)
Metal deforming
With use of control means energized in response to activator...
Including plural sensors or sensor responsive to comparison...
C072S031010, C072S213000, C072S389100, C083S209000, C083S370000, C033S203120, C033S751000, C324S206000, C324S214000
Reexamination Certificate
active
07065994
ABSTRACT:
A permanent invisible magnetic marking and positioning system of unfinished steel rods, spring steel bars, workpieces, and the like. A midpoint or center of the rod, bar or workpiece is automatically located and a high-energy pulse is applied for an embedded magnetic marker in the workpiece. Meanwhile, the magnetizing heads can also be repositioned to various points on a workpiece for imparting manufacturing and product identification data. In the case of leaf springs, the center of a spring steel bar is located a magnetic marker is embedded there. A high-energy rectangular pulse imparts a permanent invisible magnetic marks and data. The embedded indicators having peak magnetic strength allow manual or automatic positioning for perfect alignment in bending, tapping and other forming processes.
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Danko Donald M.
Taddeo Joseph H.
Jones David
Taddeo Joseph H.
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