To provide a packing sheet for an impression cylinder used for an intaglio printing machine, capable of imparting an appropriate pressure to a paper sheet passing through a gap between an intaglio cylinder (intaglio printing surface) and a pressure cylinder more stably and continuously than the conventional packing sheet for a pressure cylinder for an intaglio printing machine, and also, by which intaglio-printed products of good quality can be obtained, and also, wear of a pressure cylinder sheet can be suppressed.
Regarding the packing sheet 1 for a pressure cylinder for an intaglio printing machine, the packing sheet is constituted of a thermosetting resin selected out of groups such as phenol resin, unsaturated polyester resin, polyurethane resin, alkyd resin, epoxy resin and urea resin or the mixture of those. Further, in the packing sheet for a pressure cylinder, the surface hardness of at least a certain area in the surface area is different from that in other areas.
JP2006181727 | CAN AND CAN MANUFACTURING METHOD |
WO/2003/022595 | PRINTING BLANKET SLEEVE WITH REPLACEABLE PRINTING SURFACE |
JPH05269969 | BLANKET SHEET FOR OFFSET PRESS |
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