Improvements to printing superimposed layers

Details Improvements to printing superimposed layers Improvements to printing superimposed layers

B - Operations, Transporting

41

M

B41M 3/00 (2006.01) B41M 7/00 (2006.01) B44C 3/00 (2006.01) B41M 5/00 (2006.01)

Patent

CA 2669540

An apparatus and method for making a panel with superimposed layers of marking material in substantially exact registration is provided. An assembly includes a stencil layer (20) sandwiched between a substrate (10) and a transparent coating (30). The stencil includes a release surface (22, 23). The coating (30) tends to secure the stencil layer (20) to the substrate (10), e.g., for storage and/or transport, and may protect the stencil layer (20) from marking materials (49) that might otherwise penetrate the stencil layer (20). A design (40) and background (50, 51) layers are then printed onto the coating. A force is then applied to remove the background layer (50, 51), design layer (40), and coating (30) that are disposed on the stencil layer (20), leaving the remainder of the background layer, design layer, and coating adhered to the substrate (10) in substantially exact registration within portions of the substrate that are devoid (21) of the stencil layer. The design layer is right-reading visible through the substrates.

L'invention concerne un appareil et un procédé pour réaliser un panneau avec des couches superposées de matière de marquage avec une concordance sensiblement exacte. Un ensemble comprend une couche pochoir prise en sandwich entre un substrat et un revêtement transparent. Le pochoir comprend une surface anti-adhésive. Le revêtement a tendance à fixer la couche pochoir au substrat, par exemple, pour le stockage et/ou le transport, et peut protéger la couche pochoir vis-à-vis des matière de marquage qui pourraient sinon pénétrer dans la couche pochoir. Des couches de dessin et de fond sont ensuite imprimées sur le revêtement. Une force est ensuite appliquée pour retirer la couche de fond, la couche de dessin et le revêtement qui sont disposées sur la couche pochoir, laissant le reste de la couche de fond, de la couche de dessin et du revêtement adhéré au substrat avec une concordance sensiblement exacte dans des parties du substrat qui sont exemptes de la couche pochoir. La couche de dessin est visible à l'endroit à travers le substrat.

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