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White watermark mould plate, white watermark cylinder mould and prepared anti-counterfeit paper

A technology of anti-counterfeiting paper and white water, which is applied in the field of anti-counterfeiting paper, can solve the problems of complicated processing procedures, difficult metal sheets and metal mesh sheets to be accurately aligned, etc., and achieve high anti-counterfeiting and artistic effects.

Inactive Publication Date: 2015-04-29
KUNSHAN BANKNOTE PAPER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The white watermark template produced by this method is formed as a whole by post-processing, so the processing procedure is complicated, especially for relatively independent metal sheets that need to be welded separately, it is difficult to realize metal sheets and metal sheets, and metal sheets and metal sheets in the welding process. Precise alignment between metal mesh

Method used

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  • White watermark mould plate, white watermark cylinder mould and prepared anti-counterfeit paper
  • White watermark mould plate, white watermark cylinder mould and prepared anti-counterfeit paper
  • White watermark mould plate, white watermark cylinder mould and prepared anti-counterfeit paper

Examples

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Effect test

Embodiment 1

[0034] A metallic white watermark template such as figure 1 , 2 As shown, the metal white watermarking template 1 of this embodiment is made of chrome-zirconium copper, and the white watermarking template is processed by laser engraving. The metallic white watermark template has a non-filtering area 2 and a water-filtering area 3, the thickness of the non-filtering area 2 is 0.7mm, and the thickness of the water-filtering area 3 is 0.3mm, and the water-filtering area contains a plurality of separated micro Pores, the opening rate of the filter area is 60%.

Embodiment 2

[0036] A metallic white watermark template such as image 3 , 4 As shown, the metal white watermark template 4 of this embodiment is made of copper, and the white watermark template is processed by corrosion engraving. The thickness of the water filtering area 5 is 0.6 mm, the thickness of the first water filtering area 6 is 0.1 mm, and this area is a grid-shaped hollow structure, and the thickness of the second water filtering area 7 is a continuous transition in this area, and this area is mesh-like Hollow structure, the minimum thickness of the second water filtering area 7 is 0.25mm, the highest thickness is 0.4mm, and the opening ratio of the water filtering area is 65%.

[0037] The white watermark template is welded to the cage surface of the rotary screen, and the anti-counterfeit paper 9 containing the white watermark 8 is copied by using the rotary screen. After the copying is completed, the white watermark area of ​​the anti-counterfeit paper 9 has multi-level ligh...

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Abstract

The invention discloses a white watermark mould plate, a white watermark cylinder mould and prepared anti-counterfeit paper, wherein the white watermark mould plate is composed of at least two parts with different thicknesses and at least partially contains a hollow-out area capable of drainage. The white watermark mould plate is composed of at least two parts with different thicknesses and at least partially contains a hollow-out area capable of drainage; when the top mesh of the white watermark mould plate is applied to print money, because the different areas of the white watermark mould plate are different in height and drainage, the amounts of painting deposited at the corresponding positions are different; the white watermark areas of the obtained anti-counterfeit paper has multi-layer transmission of light and has better anti-counterfeitness and artistry compared with the traditional white watermarks.

Description

technical field [0001] The invention relates to the fields of pulping and anti-counterfeiting, in particular to a white watermark mold, a white watermark cage and anti-counterfeit paper prepared therefrom. Background technique [0002] As an effective anti-counterfeiting method, white watermark technology is widely used in the production of banknote paper in various countries. The production of white watermark paper generally adopts the method of first welding or bonding the pre-processed white watermark template on the surface of the cage surface, and then using the cage to make wet paper pages. Due to the deposition on the surface of the white watermark template The fibers are less than other areas, and after the paper is formed, it can be observed that the transparency of the corresponding non-filtering areas in the white watermark paper is significantly higher than that of other areas. [0003] The processing of the white watermark template is generally based on the pre...

Claims

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Application Information

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IPC IPC(8): D21F1/44D21F1/60D21H27/00D21H21/40D21H21/42
CPCD21F1/44D21F1/60D21H21/40D21H21/42D21H27/00
Inventor 王都义陆春宇
Owner KUNSHAN BANKNOTE PAPER
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