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Anti-fraud material

A technology of anti-counterfeiting fibers and patterns, which is applied in the field of anti-counterfeiting materials distributed with anti-counterfeiting fibers, which can solve problems such as inconvenience, confusion, and limitation of anti-counterfeiting effects, and achieve the effect of eliminating counterfeiting

Inactive Publication Date: 2005-03-30
孙显林
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is not only inconvenient, but also commodities such as banknotes and securities cannot be destroyed, so its anti-counterfeiting effect is greatly limited, and counterfeiters often use thin lines to imitate it, and it is easy to get away with it

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] figure 1 It shows that an enlarged anti-counterfeit fiber 2 is distributed in the anti-counterfeit material 1, part of the surface 3 of the anti-counterfeit fiber 2 is presented on the surface 1' of the anti-counterfeit material, and part of the surface 3 has a concave-convex shielding structure. The concave-convex shielding structure in this figure is formed by The cross-section 4 of the anti-counterfeiting fiber 2 is composed of triangular elements. The vertex angle of the triangular elements and the surface where the hypotenuses are located constitute a convex shielding structure. The surfaces 3' and 3" where the two hypotenuses are located form the surface 3. The characteristic pattern A is distributed on the surface 3", and the characteristic pattern B is distributed on the surface 3". When observing part of the surface 3 from different angles on the surface 1' of the anti-counterfeiting material 1, the characteristic patterns A and B can be seen respectively, such ...

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Abstract

An antifraud material is featured as distributing antifraud fibre on partial surface of the antifraud material, having concave-convex sheltering structure of the partial surface, setting two-character drawing A and Bon the structure to have obvious visual difference, seeing character drawing A and B separately at time of viewing the partial surface from different angles.

Description

technical field [0001] The invention relates to an anti-counterfeit material such as anti-counterfeit paper or anti-counterfeit film or anti-counterfeit packaging, especially an anti-counterfeit material distributed with anti-counterfeit fibers. Background technique [0002] It has been nearly a hundred years since colored fiber was added to paper to make anti-counterfeit paper, and it is still used in banknotes in many countries, and some securities, tax invoices, product brochures, and printed labels are also used. To sum up, the anti-counterfeiting fiber has a single monochromatic fiber. What is described in Chinese patent 02168121.0 "an anti-counterfeiting fiber" is a single multi-color section fiber, that is, a fiber has at least two colors along the length direction. What is also described in Chinese patent 02170092.4 "An anti-counterfeiting fiber and anti-counterfeiting paper using the fiber" is a fiber with different colors on the front and back sides, that is, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H21/40D21H21/42D21H21/48D21H21/52
CPCD21H21/40B42D25/355D21H21/52D21H21/44
Inventor 孙显林
Owner 孙显林
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