DIAMOND-COATED DOCTOR BLADE
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United States of America Patent
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Issued Date -
Sep 22, 2011
app pub date -
Sep 10, 2009
filing date -
Oct 7, 2008
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Abstract
A doctor blade for wiping printing ink off a surface of a printing plate and/or for use as a paper doctor knife, has a flat and elongated main body including a working edge region configured in a longitudinal direction, wherein at least the working edge region is covered with a first coating on the basis of a nickel-phosphorus alloy. The doctor blade is characterized in that monocrystalline and/or polycrystalline diamond particles are dispersed in the first coating, wherein a particle sizes of the diamond particles measure at least 5 nm and less than 50 nm.
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