Anti-false paper having windowing safe line and superposed watermarks and fabrication method

A technology of anti-counterfeiting paper and security thread, applied in the field of anti-counterfeiting paper, can solve the problem of insufficient guarantee of anti-counterfeiting effect of anti-counterfeiting paper, and achieve the effects of increasing the difficulty of counterfeiting, enhancing anti-counterfeiting and enhancing artistry.

Inactive Publication Date: 2006-12-13
BAODING BANKNOTE PAPER CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Today, with the increasing level of counterfeiting, this is not enough to ensure the full anti-counterfeiting effect of anti-counterfeiting paper

Method used

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  • Anti-false paper having windowing safe line and superposed watermarks and fabrication method
  • Anti-false paper having windowing safe line and superposed watermarks and fabrication method
  • Anti-false paper having windowing safe line and superposed watermarks and fabrication method

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Experimental program
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Effect test

Embodiment Construction

[0040] In the design, the watermark and the security line are considered as a whole. From the screen, the security line is a black straight line on the watermark pattern. The window part of the security line is the watermark pattern itself. The concave and convex changes realize the window opening effect.

[0041] figure 1 Shown is an anti-counterfeit paper with a gourd pattern according to the present invention. The anti-counterfeiting paper is designed as a gourd pattern, including a thread embedding part 1, a window opening part 2, a black watermark part 3 and a bright multi-layered watermark part 4. It is an auspicious pattern in our country. The black and white contrast is formed between the gourd and the flower, and the flower has a multi-layered bright white effect. The gourd rattan is wound on the silk frame (here it is a safety thread), and the safety thread is a part of the pattern here, forming a contrast between straight and curved, which conforms to the law of b...

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Abstract

This invention is a method how to produce false-proof paper. In these paper there are watermark and open-window's safe line, both of them are piled up together. This method's steps are: a) Design watermark: design the pattern of the watermark it can be carved; b) Making watermark plate: to carve the pattern of watermark on the metal plate for print make it convexly and concavely; c) Making watermark scoop net: first make the scoop net sheet, and round the sheet onto net-trunk's surface tightly; d) Scoop up paper: put the net-trunk into the tank of paper, then scoop up paper, in this procession, put the safe line on the trunk at its proper position that watermark's pattern placed continuously, then dehydration, dry up, then the false proof paper made up.

Description

technical field [0001] The invention relates to an anti-counterfeit paper, on which a security line with a window and a watermark are superimposed. The invention also relates to a method for producing such a security paper. Background technique [0002] In the existing technical field of paper anti-counterfeiting, watermark is the most commonly used anti-counterfeiting means. Because it is easy to identify and difficult to imitate, it has been used for decades. However, with the improvement of counterfeiting technology, in addition to multi-layer watermark and high-gloss white watermark anti-counterfeiting, some single-layer watermarks are also facing severe tests. With the use of security thread in paper, the anti-counterfeiting performance of paper has been greatly improved, especially the appearance of window security thread, which makes the security thread produce a very unique effect under the action of watermark plate - "open window". . Yet this window security als...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21H21/42
Inventor 张连祥张荣禹王平
Owner BAODING BANKNOTE PAPER CO LTD
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