Compressible printing blanket and method of manufacturing a compressible printing blanket
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United States of America Patent
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Jan 29, 2008
Grant Date -
Nov 30, 2006
app pub date -
Aug 4, 2006
filing date -
Sep 27, 2001
priority date (Note) -
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Abstract
Disclosed is a compressible printing blanket in which voids are formed in the compressible layer by using microballoons, comprising at least two fabric layers, an adhesive layer interposed between adjacent fabric layers, a surface rubber layer, and a compressible layer arranged between the at least two fabric layers and the surface rubber layer and containing spherical voids and voids having a shape other than a sphere in a ratio defined in formula given below: S.sub.1:S.sub.2=20:80 to 95:5 (1) where, S.sub.1 denotes the number of spherical voids per unit area in a cross section of the compressible layer, and S.sub.2 denotes the number of voids having a shape other than a sphere per unit area in a cross section of the compressible layer.
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