CN111776471B - Scene change anti-counterfeiting structure, anti-counterfeiting plastic package and preparation method - Google Patents
Scene change anti-counterfeiting structure, anti-counterfeiting plastic package and preparation method Download PDFInfo
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- CN111776471B CN111776471B CN202010656327.XA CN202010656327A CN111776471B CN 111776471 B CN111776471 B CN 111776471B CN 202010656327 A CN202010656327 A CN 202010656327A CN 111776471 B CN111776471 B CN 111776471B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D55/00—Accessories for container closures not otherwise provided for
- B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
- B65D55/026—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure initial opening or unauthorised access being indicated by a visual change using indicators other than tearable means, e.g. change of colour, pattern or opacity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D55/00—Accessories for container closures not otherwise provided for
- B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
- B65D55/06—Deformable or tearable wires, strings, or strips; Use of seals, e.g. destructible locking pins
- B65D55/063—Muzzlets
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Abstract
The invention relates to a scene change anti-counterfeiting structure, an anti-counterfeiting plastic package and a preparation method, wherein the scene change anti-counterfeiting structure is provided with a first magnetic ink coating on at least a local inner surface of a base layer, a second magnetic ink coating is arranged on at least a local inner surface of the first magnetic ink coating, magnetic pigments on the first coating and the second coating are flake pigments and are oriented, the first magnetic pigment flakes and the plane of the base layer form an angle of 10-60 degrees, and the included angle between the second magnetic pigment flakes and the first magnetic pigment flakes is 85-95 degrees. When the sight line or the illumination or the anti-counterfeiting structure position is changed, the double-layer shutter effect can be observed, namely, the scene change anti-counterfeiting area on the base layer can be converted into the pattern of the second magnetic ink layer from the pattern of the first magnetic ink layer, like the 'face change in the air', compared with the existing light change holographic anti-counterfeiting technology, the method can generate two definite color changes, can realize the obvious conversion between the two patterns, is easy to identify, is difficult to imitate and has excellent anti-counterfeiting performance.
Description
Technical Field
The invention relates to a scene change anti-counterfeiting structure, an anti-counterfeiting plastic package and a preparation method, and belongs to the technical field of anti-counterfeiting.
Background
The bottle mouth of the packaging bottle is sleeved with a plastic package barrel-shaped anti-counterfeiting plastic package which is tightly wrapped on the bottle cap and used for sealing and anti-counterfeiting of the bottle cap. The anti-counterfeiting plastic package generally comprises a cap body and a cap top, and the manufacturing process comprises the steps of firstly printing an anti-counterfeiting coating on the outer surface of a long-strip-shaped heat-shrinkable film, then winding the anti-counterfeiting coating into a cylindrical cap body through an anti-counterfeiting plastic package forming process, bonding and fixing a joint by using a bonding agent, and finally bonding a cut circular cap top on the joint on the cap body by using the bonding agent to form the anti-counterfeiting plastic package with the cap top.
The anti-counterfeiting plastic package has the following problems in the actual use process: 1) the existing anti-counterfeiting coating usually adopts preparation processes such as fluorescence anti-counterfeiting, temperature change anti-counterfeiting, laser anti-counterfeiting and the like, the preparation processes are screen printing, offset printing, gravure or coating processes, and can be finished by adopting common printing and coating equipment, so that the problems of low technical difficulty and easiness in imitation exist; 2) the anti-counterfeiting coating is positioned outside the heat-shrinkable film, so that the anti-counterfeiting coating is easily scratched or even falls off, and the anti-counterfeiting and appearance effects are seriously influenced; the anti-counterfeiting functional layer is printed on the outer layer of the bottle cap, so that most of the anti-counterfeiting functional layer is easily corroded by corrosive liquid such as alcohol and the like, and the anti-counterfeiting function is invalid; 3) the anti-counterfeiting coating is printed on the surface of the cap body, and the joint of the cap body and the cap top cannot be firmly bonded only by using a bonding agent due to the existence of the printing ink, so that lawless persons can scratch the bonding agent along the joint or tear the bonding agent forcibly along the joint by using a blade, the anti-counterfeiting plastic-sealed cap body and the cap top can be completely recycled and sleeved on counterfeit goods, the joint of the cap body and the cap top are bonded by using the bonding agent again for repeated use, common consumers and market supervisors cannot identify the authenticity of the goods, huge economic loss and credit loss are caused to enterprises, and meanwhile, the benefits of the consumers are seriously infringed.
To the third problem, the solution of the prior art has adopted high temperature melting technique to carry out high temperature treatment to the seam crossing of the anti-fake plastic envelope that has passed through the binder bonding through the melting device, make the material of seam crossing fully fuse, form and fuse the seal of a government organization in old china, it is more firm to combine, but the cost of introducing melting equipment is very high, it increases product manufacturing cost, the melting seal of melting device formation in seam crossing, make and combine seal department to produce the deformation, protruding formula ripple seal, great influence the holistic aesthetic measure of product, and the process of anti-fake plastic envelope molding technology has been increased, the technology becomes more complicated.
Disclosure of Invention
The invention provides a scene change anti-counterfeiting structure, an anti-counterfeiting plastic package and a preparation method thereof, aiming at the problems that the anti-counterfeiting plastic package anti-counterfeiting technology in the prior art is easy to copy, an anti-counterfeiting coating is easy to damage, a seam is not firm, and the anti-pulling effect is poor.
The technical scheme of the invention is as follows:
a scene change anti-counterfeiting structure comprises a base layer arranged on the outermost side, wherein at least partial inner surface of the base layer is provided with a first magnetic ink coating, the first magnetic ink coating and at least partial inner surface of the base layer are provided with a second magnetic ink coating, the first magnetic ink coating and the second magnetic ink coating are respectively provided with a first magnetic pigment flake and a second magnetic pigment flake and are oriented, the first magnetic pigment flake forms a first angle of 10-60 degrees with the plane of the base layer, the second magnetic pigment flake forms an included angle of 85-95 degrees with the first magnetic pigment flake, the first magnetic pigment flake and the second magnetic pigment flake have a thickness of 0.5-3 mu m and a diameter of 10-30 mu m, the arrangement interval of the first magnetic pigment flake is not less than the diameter of the first magnetic pigment flake multiplied by cos (first angle) mu m, the arrangement interval of the second magnetic pigment flake is not less than the diameter of the second magnetic pigment flake multiplied by cos (-second angle) mu m, the second angle is-25 to-85 degrees.
The first magnetic pigment flakes are arranged at an interval =1 to 3 μm + a first magnetic pigment flake diameter × cos (10 to 60 °) μm, and the second magnetic pigment flakes are arranged at an interval =6 to 14 μm + a second magnetic pigment flake diameter × cos (25 to 85 °) μm.
The second magnetic pigment flakes form an angle of 90 ° with the first magnetic pigment flakes.
The first magnetic pigment flakes and the second magnetic pigment flakes have metallic luster and are different in color from each other.
A scene change security feature further comprises a security feature selected from the group consisting of a micromirror and a microlens.
At least one of the first magnetic ink coating and the second magnetic ink coating includes one or more colored dyes and/or one or more colored pigments. The scene change anti-counterfeiting structure shows a turning effect when in motion.
At least one of the first magnetic ink coating and the second magnetic ink coating comprises one or more colouring dyes and/or one or more colouring pigments, wherein further non-magnetic ink coatings or further colouring elements are applied, the colour of which should match the colour of the two-layer magnetic structure of a scene-change security structure at one or more viewing angles.
The anti-counterfeiting plastic package for the bottle mouth comprises a cap body and a cap top, wherein the scene change anti-counterfeiting structure is printed on the cap body and/or the cap top.
And the cap body and/or the cap top are/is not printed with the scene change anti-counterfeiting structure in a full-page mode.
The cap body is a cylinder shape formed by enclosing of a strip-shaped material and comprises a printing area and a non-printing area, at least part of the inner surface of the printing area is provided with the scene change anti-counterfeiting structure, and the non-printing area is positioned at one end of the strip-shaped material and is a base layer or the innermost layer is the base layer; and at the seam of the cylindrical cap body, the base layer of the non-printing area is adhered to the upper surface of the base layer of the printing area.
The hat top comprises a printing area and a non-printing area, at least part of the inner surface of the printing area is provided with the scene change anti-counterfeiting structure, and the non-printing area is positioned at the outer edge of the hat top and is a base layer or the innermost layer is a base layer; at the seam between the crown and the cap body, the base layer of the outer edge is adhered to the base layer of the top of the cap body.
The width of the circular ring of the non-printing area at the outer edge of the cap top is 1-3mm, and the diameter of the non-printing area at one end of the cap body is 2-6 mm.
The inner surface of the printing area of the cap top and/or the cap body is provided with a pattern layer, and the pattern layer completely or partially covers the inner surface of the base layer and/or the scene change anti-counterfeiting structure.
The outer surface of the base layer of the non-printing area of the cap top and/or the cap body is provided with a decorative layer or an anti-counterfeiting functional layer.
The cap is characterized in that tear tapes are transversely distributed in the middle of the cap body, the main bodies of the tear tapes are embedded in the cap body, one ends of the tear tapes are tear heads, and the tear heads are exposed out of the cap body from seams of the cap body.
The base layer of the cap body is a heat shrinkable film, a transverse tear line is arranged on the circumference of the inner surface of the bottom of the cap body, the transverse tear line is formed by continuous invisible micropores, and the height from the bottom edge is 3-6 mm.
The base layer of the cap body is a heat shrinkable film, vertical tear lines are distributed on the inner surface of the bottom of the cap body, and the vertical tear lines are formed by continuous invisible microporous lines extending upwards from the bottom edge.
The vertical tearing lines are 1-5 groups, and each group of vertical tearing lines comprises two invisible micropore lines.
The preparation method of the anti-counterfeiting plastic package for the bottle mouth comprises the following steps:
selecting a heat-shrinkable film as a base layer of the cap body, printing a scene change anti-counterfeiting structure on the inner surface of the base layer of the cap body in a positioning way in a printing area, and reserving one end of the base layer to form a non-printing area without printing to prepare a cap body material;
coating an adhesive on the inner surface of the base layer of the non-printing area at one end of the strip-shaped cap body material and/or the outer surface of the base layer of the printing area at the other end of the strip-shaped cap body material, then winding the strip-shaped cap body material into a barrel shape, and bonding the seam of the cap body through the adhesive to form the cap body;
selecting a thermal non-shrinkable film as a cap top base layer, printing a scene change anti-counterfeiting structure on the inner surface of the cap top base layer in a positioning manner in a printing area, and leaving an outer edge without printing to form a non-printing area to prepare a cap top material;
and punching the formed cap top material into a circle, coating a binder on the inner surface of the base layer of the non-printing area of the cap top material, and bonding the binder on the outer surface of the base layer at the top of the cap body to form the anti-counterfeiting plastic package.
The invention has the beneficial technical effects that:
according to the scene change anti-counterfeiting structure, the scene change anti-counterfeiting effect is realized by the superposition of the first magnetic ink coating and the second magnetic ink coating and the setting of the size and position relationship of the first magnetic pigment flake and the second magnetic pigment flake, namely, the pattern changes and the color also changes. The change can be realized by changing the illumination angle without changing the anti-counterfeiting structure and the angle of an observer. The included angle between the first magnetic pigment flakes and the base layer is 10-60 degrees, the included angle between the second magnetic pigment flakes and the first magnetic pigment flakes is any angle between 85-95 degrees, or the included angle between the second magnetic pigment flakes and the base layer is-25 to-85 degrees, and the negative number means that the second angle is opposite to the first angle. The thickness of the first magnetic pigment flake and the second magnetic pigment flake is 0.5-3 mu m, the diameter of the first magnetic pigment flake and the diameter of the second magnetic pigment flake are 10-30 mu m, the arrangement interval of the first magnetic pigment flake and the second magnetic pigment flake is respectively greater than or equal to the absolute value of the cosine of the corresponding pigment flake diameter multiplied by the corresponding included angle with the base layer, the arrangement interval of the first magnetic pigment flake is increased by 1-3 mu m preferably, and the arrangement interval of the second magnetic pigment flake is increased by 6-14 mu m preferably. Two overlapping regions of magnetic ink (first flakes obscuring second flakes), a single first magnetic ink coating region, and a single second magnetic ink coating region are formed on the surface of the base layer.
As shown in fig. 1-3, the scene-change anti-counterfeiting structure with the determined relative positions of the pigment flakes to the base layer and the pigment flakes has the following scene-change anti-counterfeiting effect.
When light irradiates the scene change anti-counterfeiting structure from the upper part, for the overlapped area of the two layers of magnetic ink, the light irradiates the first magnetic pigment piece and is reflected to the human eyes, the pattern of the second magnetic ink coating is shielded, and only the pattern of the first magnetic ink coating is clearly displayed; also only the pattern of the first magnetic ink coating is clearly shown for the individual first magnetic ink coating areas; for the second magnetic ink coating alone, due to the angle of illumination and the size, angle and spacing of the second magnetic pigment flakes (preferably increased by 6-14 μm), most of the light is transmitted through the gaps between the second magnetic pigment flakes, and the width of the flakes that can be observed (about the second magnetic pigment flake diameter × cos (25-85 °)) is 20 μm or less and much less than the width that can be observed for the first pigment flakes (about the first magnetic pigment flake diameter × cos (10-60 °) μm), due to the louver principle, the pattern of the second magnetic ink coating cannot be seen by the naked eye with each flake sufficiently small and far enough apart. Therefore, when light irradiates the scene-change anti-counterfeiting structure from the upper part, only the pattern of the first magnetic ink coating is clearly displayed.
When light is irradiated on the scene change anti-counterfeiting structure in a vertical direction of the substrate, for the overlapped area of the two layers of magnetic ink and the single second magnetic ink coating, reflected light of the surfaces of the first magnetic pigment sheet and the second magnetic pigment sheet is emitted to human eyes, so that patterns of the two layers can be displayed simultaneously; in order to improve the pattern effect, preferably, on the basis of the original interval, the interval of the second magnetic pigment flakes is increased by 6-14 μm, so that the light transmittance of the pigment flakes is increased, most light rays penetrate through the gap of the second magnetic pigment flakes to weaken the visual effect of the pigment flakes, and the patterns of the first magnetic ink coating can still be clearly seen in the overlapping area of the two layers of magnetic ink and the single first and second magnetic ink coatings without seeing the patterns of the second magnetic ink layer.
When the light irradiation angle is changed until the light irradiates the scene change anti-counterfeiting structure from a lower slight angle, most of light penetrates through the gap of the first magnetic pigment piece due to the light irradiation angle and the size, angle and interval of the first magnetic pigment piece (preferably, the size, angle and interval are increased by 1-3 mu m), so that the patterns of the first magnetic ink coating cannot be seen by naked eyes, and for the overlapped area of the two layers of magnetic ink and the independent first and second magnetic ink coatings, the patterns of the first magnetic ink layer cannot be displayed, and only the patterns of the second magnetic ink coating are clearly displayed.
Of course, the scene change effect can be realized by changing the angle of the anti-counterfeiting structure while keeping the angle of an observer and the illumination angle unchanged. For example, the anti-counterfeiting structure is moved up and down, the anti-counterfeiting structure is rotated by 0-90 degrees vertically, or the anti-counterfeiting structure is rotated by 180 degrees to enable the position to be inverted up and down, or the positions of the illumination and the anti-counterfeiting structure are kept unchanged, the sight line moves from 0 degree to 180 degrees relative to the outer surface of the base layer, the aerial face changing effect can be achieved, the first magnetic ink layer pattern and the second magnetic ink layer pattern are changed, the pattern overlapping is reduced as much as possible, and the overlapping range is about 10 degrees. Preferably, the first magnetic pigment flakes have an angle of 10-30 ° with the base layer and an angle of 90 ° with the second magnetic pigment flakes to reduce the overlap of the images and make any one of the images clearer.
Preferably, the magnetic needle-shaped pigments of different ink layers have different metallic luster colors, such as silver color and gold color, so that the effect of preventing counterfeiting is better along with the change of the color while the pattern changes at the same position.
According to the anti-counterfeiting plastic package for the bottle opening, the inner surface of the cap body and/or the cap top is not printed with the scene change anti-counterfeiting structure in a full-page manner, so that on one hand, the magnetic ink layer is protected by the base layer, the anti-counterfeiting structure cannot be directly contacted from the outside, and the problem that the anti-counterfeiting functional layer is scratched or even falls off is avoided; on the other hand, leave the non-printing district at the outward flange of crown and the one end of the cap body, guarantee that the surface that is used for the bonding at cap body seam crossing and crown seam crossing all is smooth basic unit film, be convenient for bond, thereby only can realize the firm connection of seam crossing through the binder, malicious tearing or scraping the seam crossing hard will tear or scrape bad plastic envelope, make this anti-fake plastic envelope can't retrieve the reuse, very big improvement anti-fake plastic envelope's safety, reliable anti-fake performance, can't be used for counterfeit inferior quality, more importantly make just can synthesize this anti-fake plastic envelope that bonds firmly only use ordinary hot stamping technology, need not to use hot fusion equipment, very big reduction of cost, and the forming process has been simplified.
Preferably, the width of the circular ring of the non-printing area at the outer edge of the cap top is 1-3mm, the diameter of the non-printing area at one end of the cap body is 2-6mm, and the width of the seam is ensured to meet the requirement of firm adhesion through an adhesive according to the overall size and the bonding effect of the cap body and the cap top.
Preferably, a pattern layer is printed on part or all of the inner surface of the printing area, covers the base layer and the inner surfaces of the first magnetic ink coating and the second magnetic ink coating, and is alternately displayed at the same position along with the change of the angle, so that the switching effect of the anti-counterfeiting pattern is further enhanced.
The inner surface of the base layer is locally printed with a UV anti-counterfeiting layer, and the position of the UV anti-counterfeiting layer is preferably not overlapped with the position of the magnetic ink layer; the outer surfaces of the base layers of the cap top and the non-printing area of the cap body are coated or printed with the decorative layer or the anti-counterfeiting functional layer, so that the plastic package is more attractive integrally.
In order to facilitate the anti-counterfeiting plastic package to be opened more easily under the normal condition of a user, a tearing strip is transversely bonded on the inner side wall of the middle part of the barrel-type cap body, and the tearing head at one end of the tearing strip is exposed outside. When the anti-counterfeiting plastic package is used, the anti-counterfeiting plastic package can be easily opened by exerting force on the tearing strip from the tearing head, the anti-counterfeiting plastic package is conveniently and quickly opened, the anti-counterfeiting plastic package is torn from the middle after being opened, counterfeiting is prevented, and the anti-counterfeiting performance of the anti-counterfeiting plastic package is further improved.
Preferably, the base layer of the cap top is selected from one or a compound of more of PVC, PET and BOPP films which are not shrunk by heat, the base layer of the cap body is selected from one or a plurality of compounds of heat-shrinkable PVC and PET film, the bottom edge of the cap body is provided with transverse tearing lines or vertical tearing lines, when in use, the cylindrical anti-counterfeiting plastic package is sleeved on the bottle mouth of the packaging bottle, the tearing lines are just positioned below the bottle cap, after the anti-counterfeiting cap body is heated and shrunk, compared with the upper cap body wrapping the bottle cap, the lower cap body shrinks more and only wraps the bottle neck after being inwards concave, therefore, if the anti-counterfeiting plastic package is pulled out, external force is necessarily applied to loosen the minimum caliber position at the bottom of the anti-counterfeiting plastic package, and the applied external force can also lead the bottom of the anti-counterfeiting plastic package to crack along the tearing line, the anti-counterfeiting plastic package is damaged and cannot be used again, so that the malicious use caused by the damage of pulling out by a lawless person can be prevented.
Drawings
FIG. 1 is a schematic view of a scene-change anti-counterfeiting structure according to an embodiment of the present invention, wherein light is irradiated onto the surface of a film material from the top in a downward direction;
FIG. 2 is a schematic view of a scene change anti-counterfeiting structure according to an embodiment of the invention, wherein light is vertically irradiated onto the surface of a film material;
FIG. 3 is a schematic view of a scene-change anti-counterfeiting structure according to an embodiment of the present invention, wherein light is obliquely irradiated onto the surface of the film material from the bottom upwards;
FIG. 4 is a schematic view of a pattern displayed by the scene-change security structure of FIG. 1;
FIG. 5 is a schematic view of a pattern displayed by the scene-change security structure of FIG. 2;
FIG. 6 is a schematic view of the pattern displayed by the scene-change security structure of FIG. 3;
FIG. 7 is a schematic view of a first embodiment of the tamper-evident plastic closure for a bottle opening of the present invention;
FIG. 8 is a schematic view of another embodiment of the tamper-evident plastic closure for a bottle mouth of the present invention.
Reference numerals: 10-cap body, 20-cap top, 31-cap body non-printing area, 32-cap top non-printing area, 41-cap body printing area, 42-cap top printing area, 51-base layer, 52-first magnetic ink coating, 53-second magnetic ink coating, 54-pattern layer, 60-tearing tape, 61-tearing head, 70-cut, 81-transverse tearing line, 82-longitudinal tearing line and 9-light line.
Detailed Description
For a more clear description of the invention, reference will now be made in detail to the embodiments illustrated in figures 1-8.
Example 1
As shown in fig. 1, in the scene-change anti-counterfeiting structure of the present embodiment, the outermost layer is a base layer 51, a partial inner surface of the base layer 51 has a first magnetic ink coating 52, and a partial inner surface of the first magnetic ink coating 52 and the base layer 51 has a second magnetic ink coating 53, so that four regions are formed on the base layer 51: two layers of magnetic ink overlap, a single first magnetic ink coating 52, a single second magnetic ink coating 53, and a non-magnetic ink region. The included angle between the orientation direction of the first magnetic pigment flakes of the first magnetic ink coating 52 and the base layer 51 is 15 °, the thickness of the first magnetic pigment flakes is 1 μm, the diameters are as concentrated as possible, the average diameter is 20 μm, the arrangement pitch is 1 to 3 μm +20 × cos15 ° μm =20.3 to 22.3 μm, and the thickness is 20.5 μm in the present embodiment; the second magnetic pigment on the second magnetic ink coating layer 53 has an orientation direction at an angle of-75 ° to the base layer 51, i.e., 90 ° to the first magnetic pigment flakes, a thickness of 1 μm, a diameter of 20 μm, and an alignment pitch of 6 to 14 μm +20 × cos75 ° μm =11.2 to 19.2 μm, in this example 19.2 μm.
The magnetic pigment flakes of each layer in the scene change anti-counterfeiting structure are of a micron structure and are arranged in parallel to form millions of micro-reflecting mirrors, and under visible light, the aerial face changing effect is achieved along with the change of light rays 9 or the change of observation sight lines or the change of the position of the anti-counterfeiting structure. As shown in fig. 1-3, the security structure and the observer angle remain unchanged, and the illumination angle is changed.
As shown in fig. 1, the light 9 irradiates the scene change anti-counterfeiting structure from above, and for the overlapped area of the two layers of magnetic ink, since the light 9 irradiates the first magnetic pigment sheet and is reflected to the human eyes, the pattern of the second magnetic ink coating 53 is blocked, and only the pattern of the first magnetic ink coating 52 is clearly displayed (as shown in fig. 4); also only the pattern of the first magnetic ink coat 51 is clearly shown for the individual first magnetic ink coat 52 areas (as shown in fig. 4); for the second magnetic ink coating 53 alone, due to the illumination angle and the size, angle and spacing arrangement of the second magnetic pigment flakes (preferably increased by 6-14 μm), most of the light 9 is transmitted through the gaps of the second magnetic pigment flakes, and the width of the second magnetic pigment flakes can be observed to be only 20 × cos75 ° =5.2 μm, which is much smaller than the width observed for the first magnetic pigment flakes (about 20 × cos15 ° μm =19.3 μm), due to the louver principle, the pattern of the second magnetic ink coating 53 cannot be seen by the naked eye if each flake is small enough and the observation distance is far enough. Thus, when light 9 is directed onto the scene-change security feature from above, only the pattern of the first magnetic ink coating 52, for example the pattern-letter a as shown in fig. 4, is clearly visible.
As shown in fig. 2, when the light 9 is irradiated onto the scene-change anti-counterfeiting structure in a vertical direction, the distance between the second magnetic pigment flakes is increased by 6 to 14 μm on the basis of the original distance, so that the light transmittance of the second magnetic pigment flakes is increased, most of the light 9 can penetrate through the gaps between the second magnetic pigment flakes, and the patterns of the second magnetic ink layer 53 cannot be seen in the overlapping region of the two layers of magnetic ink and the single first and second magnetic ink coatings, and the patterns of the first magnetic ink coating 52 can still be clearly seen, such as the pattern-letter a shown in fig. 4.
As shown in fig. 3, when the light 9 is obliquely irradiated to the scene-change anti-counterfeiting structure from a lower slight angle, for example, parallel to the first magnetic pigment flakes, most of the light 9 passes through the gap between the first magnetic pigment flakes and then irradiates the second magnetic pigment flakes to the outside after being reflected, because the light 9 is irradiated at an angle and the size, angle and interval of the first magnetic pigment flakes are increased by preferably 1-3 μm, the pattern of the first magnetic ink coating 52 cannot be seen by naked eyes, and for the overlapped region of the two magnetic inks and the single first and second magnetic ink coatings, the pattern of the first magnetic ink coating 52 cannot be displayed, and only the pattern of the second magnetic ink coating 53, for example, the pattern-letter B shown in fig. 6, is clearly displayed.
In the process of changing the light 9 from the vertical irradiation angle shown in fig. 2 to the oblique upward irradiation angle shown in fig. 3, there is an angular range, for example, in the range of about 10 to 15 °, and the reflected light from the surfaces of the first magnetic pigment flakes and the second magnetic pigment flakes are both directed to the human eye, thereby simultaneously displaying two layers of images, such as the image shown in fig. 5, the overlapping letters a and B.
The first and second magnetic ink coatings described herein independently comprise a flake pigment described herein and a curable transparent binder, preferably a radiation curable binder.
According to one embodiment, the flake pigment described herein is a magnetic or magnetizable flake pigment, preferably an at least partially reflective magnetic or magnetizable flake pigment.
Examples of partially reflective flake-like magnetic or magnetizable pigment particles described herein include, but are not limited to, pigment particles comprising a magnetic layer M made of one or more magnetic metals, for example, cobalt (Co), iron (Fe), chromium (Cr), cadmium (Gd), or nickel (Ni); and magnetic alloys of iron, chromium, cobalt or nickel. Wherein the pigment particles may be a multilayer structure comprising one or more additional layers. Preferably, the one or more additional layers are one or more of layer a or layer B. Layer A is composed of one or more substances selected from the group of metal fluorides, such as magnesium fluoride (MgF)2) Silicon oxide (SiO), silicon dioxide (SiO)2) Titanium oxide (TiO)2) And alumina (Al)2O3) More preferably silicon dioxide (SiO)2). Layer B is composed of one or more substances selected from the group of metals and metal alloys, preferably from the group comprising reflective metals and reflective metal alloys, more preferably from the group comprising aluminum (Al), chromium (Cr), nickel (Ni), most preferably aluminum (Al). Or the one or more additional layers are a combination of one or more layers a as described above and one or more layers B as described above. Typical examples of the plate-like magnetic or magnetizable pigment particles as the above-mentioned multilayer structure include, but are not limited to, A/M multilayer structures, A/M/A multilayer structures, A/M/B multilayer structures, A/B/M/A multilayer structures, A/B/M/B/A/multilayer structures, B/M/B multilayer structures, B/A/M/A multilayer structures, B/A/M/B/A multilayer structures, andthe middle layer a, the magnetic layer M and the layer B are selected from those described above.
The first and second magnetic ink coatings described herein may independently further comprise one or more coloring components selected from the group consisting of organic pigment particles, inorganic pigment particles, dyes, and mixtures thereof. According to one embodiment, the first magnetic ink coating and the second magnetic ink coating have the same color. According to another embodiment, the first magnetic ink coating and the second magnetic ink coating have different colors.
Example 2
A method for preparing a scene change anti-counterfeiting structure comprises the following steps: coating a first magnetic pigment coating 52 on at least a partial surface of the base layer 51, the first magnetic pigment coating 52 having an ink including first magnetic pigment flakes having a thickness of 0.5 to 3 μm and a diameter of 10 to 30 μm and a curable transparent binder, the first magnetic pigment flakes being oriented at a first angle by a magnetic field, and a drying step, the first magnetic ink coating fixing the first pigment at the first angle position, the first magnetic pigment flakes being aligned at an interval = a diameter of the first magnetic pigment flakes × cos (10 to 60 °) μm;
coating a second magnetic ink coating 53 on partial surfaces of the first magnetic ink coating 52 and the base layer 51, wherein the ink of the second magnetic pigment coating 53 comprises second magnetic pigment flakes having a thickness of 0.5-3 μm and a diameter of 10-30 μm and a curable transparent binder, orienting the second magnetic pigment flakes to a second angle by a magnetic field, and then drying, fixing the second pigment flakes at the second angle position, and the second magnetic pigment flakes are aligned at an interval = the diameter of the second magnetic pigment flakes × cos (25-85 °) μm;
the included angle between the first magnetic pigment flakes and the base layer is +10 to +60 degrees, the included angle between the second magnetic pigment flakes and the first magnetic pigment flakes is any angle between 85 and 95 degrees, or the included angle between the second magnetic pigment flakes and the base layer is-25 to-85 degrees.
The first and second magnetic ink coatings described herein are applied independently by a coating method, preferably by a printing method selected from screen printing, rotogravure printing and flexographic printing.
Although the first and second magnetic ink coatings described herein are still sufficiently wet or soft that the flake-like pigments can move and rotate, they are independently subjected to a magnetic field to achieve orientation of the particles. The step of orienting the flake pigments comprises the steps of: each ink coating is exposed to a determined magnetic field generated by the magnetic assembly, thereby orienting the flake-like pigments along the lines of force of the magnetic field, and thus at a respective angular position. The magnetic field may be generated by any form of magnetic orienting device used in the art.
As described herein, the first and second magnetic ink coatings described herein are independently dried to fix the orientation of the flake pigment. Since radiation curing advantageously leads to a momentary increase in the viscosity of the ink coating and a momentary fixing of the flake-like pigments in their respective angular positions, the drying step is preferably cured by radiation including ultraviolet-visible (UV-Vis) light radiation curing or by electron beam radiation curing, more preferably by UV-Vis light radiation curing. Radiation curing is particularly preferred, whereas UV-Vis radiation curing is more preferred, since these techniques advantageously lead to a very rapid curing process and thus greatly reduce the preparation time of the two-layer magnetic security structure.
For embodiments in which the drying step is performed independently by UV-Vis photoradiation curing, the first and second magnetic ink coatings described herein independently comprise one or more curable compounds and one or more photoinitiators. The arrangement gaps of the pigment flakes can be adjusted by adjusting the concentration/viscosity of the pigment flakes in the ink, the gaps of the first pigment flakes are slightly larger than the diameters of the pigment flakes, the gaps of the second pigment flakes are smaller than the diameters of the pigment flakes, and the angle and thickness parameters of the first pigment flakes and the second pigment flakes are matched, so that when the first magnetic ink coating 52 is irradiated by the light rays 9 (shown in fig. 1 and 2) intersecting the front surfaces of the pigment flakes on the first magnetic ink coating 52, the first magnetic ink coating 52 has good shielding performance on the second magnetic ink coating 53, the pattern of the first magnetic ink coating 52 is clearly displayed, and when the first magnetic ink coating 52 is irradiated by the low-angle light rays 9 (shown in fig. 3) starting from being parallel to the pigment flakes on the first magnetic ink coating 52, the first magnetic ink coating 52 hardly shields the second magnetic ink coating 53, and the second magnetic ink coating 53 has good visibility.
Example 3
The anti-counterfeiting plastic package for the bottle mouth, in particular to the bottle mouth of a wine bottle, as shown in fig. 7 and fig. 1, comprises a cap body 10 and a cap top 20. The cap 10 includes a cap printed area 41 and a cap non-printed area 31 and the crown includes a crown printed area 42 and a crown non-printed area 32. The cap non-printed area 31 is an area of 3mm diameter at one end of the cap where the base layer 51 is located at the inner surface where no printing is present, and the crown non-printed area 32 is a circular area of 1.5mm width at the outer edge where the inner surface of the base layer 51 is not printed. The inner surfaces of the printing areas of the cap body 10 and the cap top 20 are not printed with the scene-change anti-counterfeiting structure of embodiment 1, a first magnetic ink coating 52 is partially printed on the inner surface of the base layer 51 of the printing area 41 of the cap body and the printing area 42 of the cap top, a second magnetic ink coating 53 is printed on the inner surfaces of the first magnetic ink coating 52 and the base layer 51, and the scene-change anti-counterfeiting structure further comprises a pattern layer 54, wherein the pattern layer 54 is printed on the whole inner surface area of the base layer 51 of the printing area and covers the base layer 51, the first magnetic ink coating 52 and the second magnetic ink coating 53.
The base layer 51 of the cap body is a transparent heat-shrinkable PVC film, the base layer 51 of the cap top is a transparent non-shrinkable PVC film, and the non-printing area 31 of the cap body is adhered on the printing area 41 of the cap body through an adhesive at the joint of the cap body; the non-printed area 32 of the crown is adhered by adhesive to the upper surface of the base layer 51 of the upper part of the cap at the crown attachment to ensure a secure attachment by adhesive.
In the above embodiments, the cap body 10 and the crown 20 have a scene change anti-counterfeiting structure at the same time, or the cap body 10 may have the double-layer magnetic ink anti-counterfeiting structure of embodiment 1 or 2, and the crown 20 has other common anti-counterfeiting structures or has no anti-counterfeiting structure.
According to one embodiment, the first and second magnetic ink coatings of the two-layer magnetic security structure described herein have different colors, e.g. the first magnetic ink coating appears silver and the second magnetic ink coating appears gold when the security plastic seal is moved and/or tilted. This embodiment advantageously presents an optical impression of a flip-flop effect for the tamper-evident plastic closure for a bottle opening described herein, wherein a first color of the first magnetic ink coating is observed at one observation area/angle and a second color of the second magnetic ink coating is observed at a second observation color/angle.
The anti-counterfeiting plastic package for a bottle opening described herein may further comprise a security feature selected from the group consisting of the micromirrors and the microlenses described herein, wherein the security feature preferably has a different shape or design when the plastic package is tilted. The combination of the two layers of magnetic security structures and the inclusion of security features selected from the group consisting of micromirrors and microlenses advantageously provides the security plastic package described herein with enhanced resistance to counterfeiting or illegal copying.
According to one embodiment, the tamper-resistant plastic seal for a bottle mouth described herein comprises a two-layer magnetic tamper-resistant structure, wherein the first magnetic ink coating has a first color and the second magnetic ink coating has a second color (the first color being different from the color of the second color) and further comprises a security feature selected from the group consisting of micromirrors and microlenses described herein. The double-layer magnetic anti-counterfeiting structure/scene change anti-counterfeiting structure has the same color as the first color of the first magnetic ink coating or the second color of the second magnetic ink coating. For example, the first magnetic ink coating exhibits a silver color, the second magnetic ink coating exhibits a gold color, and the dual-layer magnetic security structure/scene change security structure is silver.
As shown in fig. 7, tear tapes 60 are transversely distributed in the middle of the cap body 10, a main body of the tear tape 60 is embedded in the cap body 10, one end of the tear tape is a tear head 61 exposed outside the cap body 10, the tear head 61 extends out from a seam of the cap body, and two parallel notches 70 are respectively arranged on the upper side and the lower side of the seam of the cap body corresponding to the tail end of the tear head 61, so that the anti-counterfeit plastic package can be conveniently opened along the tear head 61.
As shown in fig. 7, the inside of the cap body 1 has lateral tear lines 81, which lateral tear lines 81 extend in 4mm height at the bottom edge of the cap body 10, formed by continuous invisible micropores, preferably extending over the entire circumference.
Example 4
The anti-counterfeiting plastic package of the embodiment is different from the embodiment 3 in the tearing line structure. As shown in FIG. 8, the inside of the cap 1 has a longitudinal tear line 82, the longitudinal tear line 82 extending upward from the bottom edge of the cap 10 to a height of 6mm from the bottom edge, formed by a continuous invisible micro-hole. Six longitudinal tearing lines 82 are uniformly distributed in three groups at intervals, and the diameter of each longitudinal tearing line 82 is 1 cm.
Example 5
The preparation embodiment 3 or 4 describes a method for anti-counterfeiting plastic package of a bottle mouth, which comprises the following steps:
selecting thermal shrinkage PVC as a base layer of the cap body, positioning and printing an anti-counterfeiting structure on the inner surface of the base layer of the cap body according to the method to form a printing area and a non-printing area, and manufacturing a material of the cap body, wherein the non-printing area is positioned at one end and has the width of 2-6 mm;
coating a strip of adhesive on the inner surface of the base layer at one end of the non-printing area of the strip-shaped cap body material and/or the outer surface of the base layer at the other end of the non-printing area, then winding the strip-shaped cap body material into a cylinder shape with the diameter of 22-36mm, wherein one end of the non-printing area is positioned on the base layer and is bonded with the seam of the cap body through the adhesive to form the cap body, and the adhesive is a pressure-sensitive adhesive;
selecting a thermal non-shrinkable PET or BOPP or thermal non-shrinkable PVC film as a cap top base layer, preferably adopting PET, printing an anti-counterfeiting structure with the diameter of 20-30mm on the inner surface of the cap top base layer by the printing method to form a printing area, and leaving a 1-3mm circular ring area on the outer edge as a non-printing area to prepare a cap top material;
the method comprises the steps of punching and cutting a crown material into a circle with the diameter of 22-36mm, coating an adhesive on the inner surface of a base layer of a non-printing area of the crown material, adhering the crown material to a cylinder body at the top of a cap body, vertically bending the cylinder body inwards to form a plane, and forming the anti-counterfeiting plastic package, wherein the adhesive is a pressure-sensitive adhesive.
The binder may also be other conventional binders used in the art.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes in the size of the anti-counterfeit plastic package or the size and number of the longitudinal tear lines, which can be easily conceived by those skilled in the art within the technical scope of the present invention, should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (16)
1. A scene-change anti-counterfeiting structure is characterized by being arranged on the inner surface of a transparent base layer, comprising a first magnetic ink coating layer on at least partial inner surface of the base layer, and a second magnetic ink coating layer on the first magnetic ink coating layer and at least partial inner surface of the base layer, wherein the second magnetic ink coating layer is partially superposed on the first magnetic ink coating layer, a first pigment sheet, a single first magnetic ink coating area and a single second magnetic ink coating area, which shield two magnetic ink overlapping areas of a second pigment sheet, are formed on the surface of the base layer, the first magnetic ink coating layer and the second magnetic ink coating layer are respectively provided with a first magnetic pigment sheet and a second magnetic pigment sheet and are all oriented, the first magnetic pigment sheet and the base layer plane form a first angle of 10-60 degrees, and the second magnetic pigment sheet and the base layer plane form a second angle, the included angle between the second angle and the first angle is 85-95 degrees, the second angle is-85 degrees to-25 degrees, the thickness of the first magnetic pigment flakes and the thickness of the second magnetic pigment flakes are 0.5-3 mu m, the diameter of the first magnetic pigment flakes and the diameter of the second magnetic pigment flakes are 10-30 mu m, the arrangement interval of the first magnetic pigment flakes is 1-3 mu m + the diameter of the first magnetic pigment flakes multiplied by cos (first angle) mu m, and the arrangement interval of the second magnetic pigment flakes is 6-14 mu m + the diameter of the second magnetic pigment multiplied by cos (second angle) | mu m.
2. A scene change security feature according to claim 1 wherein said first angle is 15 to 30 °.
3. The scene-change security feature of claim 1, wherein the second magnetic pigment flakes are oriented at an angle of 90 ° to the first magnetic pigment flakes.
4. The scene-change security structure of claim 1, wherein the first magnetic pigment flakes and the second magnetic pigment flakes have metallic luster and are different colors from each other.
5. An anti-counterfeiting plastic package for a bottle opening is characterized by comprising a cap body and a cap top, wherein the cap body and/or the cap top comprises a transparent base layer, and the base layer of the cap body and/or the base layer of the cap top is printed with a scene change anti-counterfeiting structure as claimed in any one of claims 1 to 4.
6. The plastic package of claim 5, wherein the base layer of the cap body and/or the base layer of the cap top is printed with the scene-change anti-counterfeit structure.
7. The plastic package of claim 6, wherein the cap body is a cylindrical shape surrounded by a strip-shaped material, and comprises a printing area and a non-printing area, at least a part of the inner surface of the printing area is provided with the scene change anti-counterfeiting structure, the non-printing area is located at one end of the strip-shaped material and is a base layer or the innermost layer is a base layer; and at the seam of the cylindrical cap body, the base layer of the non-printing area is adhered to the upper surface of the base layer of the printing area.
8. The plastic package for the bottle mouth with the function of preventing counterfeit according to claim 7, wherein the cap top comprises a printing area and a non-printing area, at least a part of the inner surface of the printing area is provided with the scene change anti-counterfeit structure, and the non-printing area is positioned at the outer edge of the cap top and is a base layer or the innermost layer is a base layer; at the seam between the crown and the cap body, the base layer of the outer edge is adhered to the base layer of the top of the cap body.
9. The plastic package of claim 8, wherein the ring of the non-printed area at the outer edge of the crown has a width of 1-3mm, and the diameter of the non-printed area at one end of the cap body is 2-6 mm.
10. The plastic package of claim 8, wherein the cap top and/or the inner surface of the printing area of the cap body has a pattern layer, and the pattern layer covers the base layer and/or the inner surface of the scene-change anti-counterfeit structure.
11. The plastic package of claim 8, wherein the cap top and/or the outer surface of the base layer of the non-printing area of the cap body has a decorative layer or an anti-counterfeit functional layer.
12. An anti-counterfeit plastic package for a bottle opening according to any one of claims 5 to 11, wherein a tearing strip is transversely distributed at the middle of the cap body, a main body of the tearing strip is embedded in the cap body, and a tearing head is arranged at one end of the tearing strip and is exposed out of the cap body from a seam of the cap body.
13. The plastic package of claim 12, wherein the base layer of the cap body is a heat shrinkable film, and a transverse tear line is provided on the circumference of the inner surface of the bottom of the cap body, the transverse tear line being formed by continuous invisible micro-holes and having a height of 3-6mm from the bottom edge of the cap body.
14. The plastic package of claim 12, wherein the base layer of the cap body is a heat shrinkable film, and vertical tear lines are distributed on the inner surface of the bottom of the cap body, the vertical tear lines being formed by continuous hidden microporous lines extending upward from the bottom edge of the cap body.
15. An anti-counterfeit plastic package for bottle mouth as claimed in claim 14, wherein said vertical tear lines are in 1-5 groups, each group of said vertical tear lines comprising two of said invisible micro-hole lines.
16. A method for preparing an anti-counterfeit plastic package for a bottle opening as defined in any one of claims 5 to 15, comprising the steps of:
selecting a heat-shrinkable film as a base layer of the cap body, printing a scene change anti-counterfeiting structure on the inner surface of the base layer of the cap body in a positioning way in a printing area, and reserving one end of the base layer to form a non-printing area without printing to prepare a cap body material;
coating an adhesive on the inner surface of the base layer of the non-printing area at one end of the strip-shaped cap body material and/or the outer surface of the base layer of the printing area at the other end of the strip-shaped cap body material, then winding the strip-shaped cap body material into a barrel shape, and bonding the seam of the cap body through the adhesive to form the cap body;
selecting a thermal non-shrinkable film as a cap top base layer, printing a scene change anti-counterfeiting structure on the inner surface of the cap top base layer in a positioning manner in a printing area, and leaving an outer edge without printing to form a non-printing area to prepare a cap top material;
and punching the formed cap top material into a circle, coating a binder on the inner surface of the base layer of the non-printing area of the cap top material, and bonding the binder on the outer surface of the base layer at the top of the cap body to form the anti-counterfeiting plastic package.
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| CN201910757582 | 2019-08-16 | ||
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| US7604855B2 (en) * | 2002-07-15 | 2009-10-20 | Jds Uniphase Corporation | Kinematic images formed by orienting alignable flakes |
| US6902807B1 (en) * | 2002-09-13 | 2005-06-07 | Flex Products, Inc. | Alignable diffractive pigment flakes |
| US8025952B2 (en) * | 2002-09-13 | 2011-09-27 | Jds Uniphase Corporation | Printed magnetic ink overt security image |
| US7169472B2 (en) * | 2003-02-13 | 2007-01-30 | Jds Uniphase Corporation | Robust multilayer magnetic pigments and foils |
| TWI402106B (en) * | 2005-04-06 | 2013-07-21 | Jds Uniphase Corp | Dynamic appearance-changing optical devices (dacod) printed in a shaped magnetic field including printable fresnel structures |
| CA2564764C (en) * | 2005-10-25 | 2014-05-13 | Jds Uniphase Corporation | Patterned optical structures with enhanced security feature |
| US10343436B2 (en) * | 2006-02-27 | 2019-07-09 | Viavi Solutions Inc. | Security device formed by printing with special effect inks |
| CN201124998Y (en) * | 2007-12-18 | 2008-10-01 | 上海复旦天臣新技术有限公司 | Rubber cap for anti-fake wine bottle |
| CN101694759B (en) * | 2009-10-12 | 2011-06-29 | 清华大学 | Anti-fake mark with multilayered invisible patterns |
| CN102616042B (en) * | 2011-01-28 | 2015-07-22 | 甄健 | Production method of pattern in magnetic pigment fragment-containing coating layer and production device thereof |
| RS53855B1 (en) * | 2011-02-07 | 2015-08-31 | Sicpa Holding Sa | Device displaying a dynamic visual motion effect and method for producing same |
| CN102173247B (en) * | 2011-02-18 | 2014-03-26 | 甄健 | Method and device for preparing anti-counterfeiting pattern capable of symmetrically changing with visual angles |
| DE102014205638A1 (en) * | 2013-03-27 | 2014-10-02 | Jds Uniphase Corp. | Optical device having an illusory optical effect and method of manufacture |
| CN104952359B (en) * | 2014-03-28 | 2018-11-06 | 中钞特种防伪科技有限公司 | Security element |
| FR3058130B1 (en) * | 2016-11-03 | 2018-12-07 | Sleever International Company | SECURITY ENVELOPE AND CONTAINER COVERED WITH SUCH AN ENVELOPE |
| US10357991B2 (en) * | 2016-12-19 | 2019-07-23 | Viavi Solutions Inc. | Security ink based security feature |
| CN210734967U (en) * | 2019-08-16 | 2020-06-12 | 中标特安(北京)防伪技术有限公司 | Anti-counterfeiting plastic package for bottle mouth |
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Effective date of registration: 20201010 Address after: No. 153, Hancheng South Road, Lianhu District, Xi'an City, Shaanxi Province Applicant after: XI'AN BANKNOTE PRINTING Co.,Ltd. Address before: Room 720, block 3, 7 / F office building, 18 Jianguomen inner street, Dongcheng District, Beijing, 100010 Applicant before: Winning the bid of special safety (Beijing) anti counterfeiting technology Co.,Ltd. |
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