Doctor rod for a coating device
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United States of America Patent
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Jul 2, 2002
Grant Date -
N/A
app pub date -
Mar 7, 2001
filing date -
Sep 8, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Known doctor rods (1) used as dosing elements in coating devices have a cylindrical steel base body on whose cover surface a chromium or ceramic layer of hard material is applied. According to the invention, the cracks and craters in the layer of hard material are closed by a joint which is produced by means of an ion implantation process, by the hard material reacting with the ions applied in a plasma. The improved doctor rods have a longer service life than known doctor rods.
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