PREPARATION OF DECORATIVE PLATE WITH CONCAVITY

PURPOSE:To obtain a decorative plate which is prevented from sticking to a mirror surface when an expandable printing layer is heated and compressed and provided with acute and distinct concave parts by controlling heating conditions of impregnated paper. CONSTITUTION:A normal printing layer 2 with...

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Bibliographische Detailangaben
1. Verfasser: KUBOTA SOU
Format: Patent
Sprache:eng
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Zusammenfassung:PURPOSE:To obtain a decorative plate which is prevented from sticking to a mirror surface when an expandable printing layer is heated and compressed and provided with acute and distinct concave parts by controlling heating conditions of impregnated paper. CONSTITUTION:A normal printing layer 2 with a desired pattern is provided with normal printing ink on decorative original paper 1, an expandable printing layer 3 with a desired pattern is provided with heat expandable printing ink and the decorative paper 4 provided like this is impregnated with thermosensitive resin. Then, the decorative paper is heated and dried and the expandable printing layer is expanded preparatively to prepare impregnated paper 5 under reduced expandability. Mark 6 shows impregnated and dried resin. The impregnated paper 5 obtained and the base 7 are combined, heated and pressed with a pair of heated surface plates 8, 8' and a pair of mirror plates 9, 9' into a body. The whole surface of the decorative plate with an expandable layer is coated with solvent, the expanded layer is dissolved - lubricated, then, the whole surface is polished and the expanded part is removed to produce concave parts 10 on the expandable printing layer or equivalent parts of the decoration paper.