Process for coating a workpiece of steel with an anti-corrosive agent
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United States of America Patent
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Nov 19, 1996
Issued Date -
N/A
app pub date -
Mar 24, 1995
filing date -
Apr 10, 1991
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Expired
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Abstract
A process for coating a workpiece of steel with an anti-corrosive agent, comprising the steps of providing the surface of the workpiece with a chemo-mechanical layer, and chromatizing the chemo-mechanical layer, and characterized by the steps of providing the chromated layer with a further layer containing metallic components and organic binding agents, and curing the further layer by a heat treatment.
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