Method and apparatus for manufacturing pressure sensitive adhesive label stocks with printing under adhesive and product produced thereby
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United States of America Patent
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Feb 8, 2005
Grant Date -
Feb 5, 2004
app pub date -
Aug 1, 2002
filing date -
Aug 1, 2002
priority date (Note) -
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Abstract
A method and apparatus for making adhesive-backed labels. Glassine paper stock is unwound from a roll, coated with photo-cationic silicone and exposed to wavelength-controlled illumination to cure. Hot melt adhesive is applied over the silicone. Simultaneously, label stock is fed with the coated glassine paper to laminating rollers where the two are joined. Illumination is provided by a dichroic reflector.
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