MULTIPLE-LAYER FLAT STRUCTURE IN THE FORM OF A PRINTING BLANKET OR A PRINTING PLATE FOR FLEXOGRAPHIC AND LETTERPRESS PRINTING WITH LASER ENGRAVING
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United States of America Patent
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app pub date -
Oct 21, 2011
filing date -
Apr 23, 2009
priority date (Note) -
Abandoned
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Abstract
The invention is directed to a multiple-layer flat structure (1) in the form of a printing blanket or a printing plate for flexographic and letterpress printing with: a printing layer (2) which is made from a polymeric material and is provided with laser engraving; at least one compressible layer (3); and, at least one strength-support layer (4); wherein the individual layers form an adhesive connection among one another. The multiple-layer flat structure (1) according to the invention is distinguished by the fact that the polymeric material of the printing layer (2) is a vulcanizate. Advantageous materials are proposed in this regard. The printing layer (2) expediently lies directly on a compressible layer (3). The compressible layer (3) is in turn in direct contact with a strength-support layer (4).
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