METHOD FOR PRODUCING MAGNETICALLY INDUCED PATTERNS IN A LAYER DEPOSITED ON A GLASS SHEET
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United States of America Patent
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Issued Date -
Aug 6, 2015
app pub date -
Jul 8, 2013
filing date -
Jul 10, 2012
priority date (Note) -
Abandoned
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Abstract
The invention relates to a method for producing magnetically induced patterns in a layer deposited on a glass sheet, said method comprising the following steps in succession, as said glass sheet runs over a horizontal roller conveyor in a direction perpendicular to the largest dimension of the rollers of said roller conveyor: (i) depositing, in the form of a layer, a liquid composition on that face of the glass sheet which is opposite the face resting on the conveyor, the composition comprising magnetically orientable particles; (ii) selectively exposing the glass sheet comprising the layer of liquid composition to a magnetic field; and (iii) hardening the liquid composition. According to the invention, the step of selective exposure to a magnetic field is carried out by means of at least one roller of the conveyor comprising at least one element made of a permanently magnetic material integrated into its surface, so as to produce magnetic field lines in a region of the sheet running over the conveyor.
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