B - Operations – Transporting – 41 – N
Patent
B - Operations, Transporting
41
N
101/121, 154/127
B41N 10/04 (2006.01) B32B 25/10 (2006.01)
Patent
CA 1112103
ABSTRACT OF THE DISCLOSURE A compressible printing blanket is provided which has a woven base ply, a rubber printing face, and a compressible body disposed between the base ply and the printing face, the compressible body comprising an elastomeric matrix having voids disposed therein substantially uniformly and a plurality of needle-punched layers of discontinuous fibers bonded together by the matrix as a single mass, each of the layers having its fibers disposed in substantially parallel relation and substantially uniformly throughout the layer with the fibers in each layer being dis- posed transverse and against the fibers of an adjoining layer to define a compacted sheet of oriented discrete fibers which results in a uniform embedment of fibers throughout the matrix, the uniform embedment of the fibers resulting in the uniform disposal of the voids and providing more precise control of the compression and resiliency characteristics of the body at each location throughout, the body assuring satisfactory operation of the blanket over a substantial range of interference between the blanket and printing means associated therewith, the voids comprising 40 - 60% of the volume of the compressible body. This blanket can be used in offset printing, and is capable of providing satisfactory printing over a wide printing blanket to printing plate interference range.
288330
Duckett John C.
Gaworowski Andrew J.
Dayco Corporation
Marcus & Associates
LandOfFree
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