Apparatus and method for surface treatment of metal articles
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United States of America Patent
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Mar 25, 2003
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N/A
app pub date -
Apr 23, 2001
filing date -
Oct 14, 1998
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Abstract
A camera is arranged to map defects in the molten metal bath formed by scarfing using a scarfing torch on a steel slap. The camera has a field of a large area of the slab and records the defects as flashes of high intensity light the nature of which identifies the type of defect.
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