Method and apparatus for continuously forming dye sublimation images in solid substrates
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United States of America Patent
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Oct 22, 2013
Grant Date -
Mar 31, 2005
app pub date -
Sep 23, 2004
filing date -
Mar 29, 2001
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Abstract
A method for forming a dye sublimation image in a substrate with a dye carrier having an image formed thereon of a sublimatic dyestuff is provided. The image of the dye carrier is placed against a first surface of the substrate. The substrate and dye carrier are conveyed along a path with a first part and a second part. A continuous pressure is provided against the first surface of the substrate in the first part and second part of the path and therebetween. The dye carrier is heated to a sublimation temperature in the first part of the path. The dye carrier is then cooled to a depressure temperature in the second part of the path.
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