COATED GRAIN ORIENTED STEEL
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United States of America Patent
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Issued Date -
Sep 18, 2014
app pub date -
Nov 2, 2012
filing date -
Nov 4, 2011
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Abstract
A method of producing a coated grain oriented steel strip, which includes the steps of: forming an insulating layer on the grain oriented steel strip; providing a chromium-free coating mixture that comprises a metal phosphate silica particles and an organosilane; applying the mixture on the insulating layer; and curing the mixture to form a chromium-free coating that provides tension to the grain oriented steel strip.
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