US2016229089A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016229089-A1 |
| Application number | US-201615016497-A |
| Country | US |
| Kind code | A1 |
| Filing date | Feb 5, 2016 |
| Priority date | Feb 11, 2015 |
| Publication date | Aug 11, 2016 |
| Grant date | — |
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A method for manufacturing a tool plate for treating a printing substrate includes pressing a master die having a surface structure and a tool plate blank coated with a cured layer against one another in a pressing nip, trapping a curable layer therebetween. As a consequence, the curable layer is applied to the cured layer of the blank and receives a negative of the surface structure in a molding process. The curable layer is subsequently cured. A printing machine tool plate and an embossing die for embossing holograms are also provided.
Opening claim text (preview).
1 . A method for manufacturing a tool plate for treating a printing substrate, the method comprising the following steps: pressing together a master die having a surface structure and a blank of the tool plate coated with a cured layer, in a pressing nip; trapping a curable layer between the master die and the blank; applying the curable layer to the cured layer of the blank to form a negative of the surface structure in the curable layer in a molding process; and subsequently curing the curable layer. 2 . The method according to claim 1 , wherein the master die is a plate or a foil. 3 . The method according to claim 1 , wherein the tool plate is a printing forme or an embossing die. 4 . The method according to claim 1 , wherein the negative is a micro-relief that is only visible or a haptic relief that is also perceptible to the touch. 5 . The method according to claim 1 , which further comprises forming the pressing nip by a roller and a counter-element shaped as a plate or a cylinder. 6 . The method according to claim 1 , wherein the tool plate is an embossing plate and the blank is a printing plate blank for an offset printing process carried out without water or dampening solution. 7 . The method according to claim 1 , wherein the master die is a nickel master. 8 . The method according to claim 1 , wherein the cured layer and the curable layer are formed of the same type of material. 9 . The method according to claim 8 , wherein the type of material is silicone. 10 . A printing machine tool plate, comprising: an embossing die for micro-embossing in a printing press, said embossing die having a curable layer applied to a cured layer of a blank as a negative of a surface structure molded in the curable layer and cured. 11 . An embossing die for embossing holograms, the embossing die comprising: a plurality of cured layers including an uppermost silicone layer having a micro-relief for embossing the holograms.
Dies (B44B5/028 takes precedence) · CPC title
with embossing · CPC title
by making impressions of one or more parts of models, e.g. shaped articles and including possible subsequent assembly of the parts · CPC title
Diffraction gratings; Holograms · CPC title
Moulding surfaces provided with means for marking or patterning (for injection moulding B29C45/372) · CPC title
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