CN100433078C - Tin printing hidden antifake mark and producing method - Google Patents

Tin printing hidden antifake mark and producing method Download PDF

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Publication number
CN100433078C
CN100433078C CNB2006100233064A CN200610023306A CN100433078C CN 100433078 C CN100433078 C CN 100433078C CN B2006100233064 A CNB2006100233064 A CN B2006100233064A CN 200610023306 A CN200610023306 A CN 200610023306A CN 100433078 C CN100433078 C CN 100433078C
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China
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counterfeiting mark
text
picture
coating
printing
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CNB2006100233064A
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Chinese (zh)
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CN1811861A (en
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万其卫
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上海宝印金属彩涂有限公司
万其卫
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Publication of CN1811861A publication Critical patent/CN1811861A/en
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Publication of CN100433078C publication Critical patent/CN100433078C/en

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Abstract

The present invention relates to a tin printing hidden anti-counterfeiting mark and a producing method. The anti-counterfeiting mark contains a metal base plate, a flower pattern, clear micro characters in the flower pattern, a light ring shadow in the flower pattern, pictures, characters and secret marks printed with ultraviolet fluorescent ink in the flower pattern, and an invisible picture and character relief in the flower pattern, wherein the flower pattern is formed by interpenetrating solid lines with different density, thickness, tightness and color on the metal base plate. The production method comprises three technical processes of anti-counterfeiting mark design, plate manufacture and metal printing, wherein ultraviolet fluorescent ink used in the process of metal printing is prepared from ultraviolet fluorescent brightener and ultraviolet light ink. When the picture and character surface of the anti-counterfeiting mark is seen from side view under bright light, the invisible picture and character relief can be seen (similar to the watermark on a banknote), and users can feel the unevenness similar to the braille on the banknote by touching the picture and character relief with hands.

Description

The method for making of tin printing hidden antifake mark

Technical field

The present invention relates to a kind of method for making of anti-counterfeiting mark, particularly relate to a kind of method for making of anti-counterfeiting mark of stealth of tin graphed sheet.

Background technology

The antiforge sign has its singularity on the metal.At first, for operplate printing be exactly the base material of undertaking the printing of be metal.As tinplate, Tinfree Steelor TFS etc., but not paper, other nonmetallic materials such as plastics.The exploitation of tin graphed sheet technology is more late than the exploitation of seal paper technology, we can say, also very unripe aspect certain.The final product of tin graphed sheet is packaging container of metal normally.Therefore operplate printing is the preceding working procedure of packaging container of metal moulding.So it must satisfy some fundamental characteristics of mental package manufacturing and use, has machining property (as stretching, compression, punching press etc.) as needs.Characteristics such as high temperature resistant, boiling.Also to have physicochemical properties such as some are antiacid, sulphur.Packaging container of metal is mainly used in products such as canned food, beverage, chemical industry class.Therefore, used printing ink of operplate printing anti-counterfeiting mark and coating all must satisfy packaging container of metal manufacturing, canned requirement.As digestion resistant (temperature up to 127 degree, 60 minutes), physics and chemistry, processing characteristicies such as stretch-proof, compression (can reach 5 centimetres), anti-bending.These performances to printing ink and coating (primary coat, gloss oil) and and base material between adhesion and flexible requirement all be very harsh.Traditional sign of antiforge on tinplate (being commonly referred to tin graphed sheet) adopts the Thermocurable fluorescent ink, and being is provided by the special preparation of ink supply merchant; And adopt ultraviolet fluorescent printing ink is to adopt the ultraviolet light polymerization mode that is different from the traditional hot curing mode.Because tin graphed sheet is bigger with the fluorescer particle of ultraviolet fluorescent printing ink, therefore, the adhesion between it and coating, the base material is relatively poor, very easily come off, and the operating procedure complexity.

The printing microfilm of characters is also much more difficult than printing sheets on the tin graphed sheet.Because the one, there is not absorbability metal surface (containing primary coat) to glassware for drinking water, very easily causes the ink imbalance; The 2nd, metal surface (containing primary coat) out-of-flatness; In this case, very easily cause paste word or scarce word phenomenon.

Formerly in the technology, the tin graphed sheet anti-counterfeiting technology adopts ordinary hot solidity fluorescent ink, perhaps prevents that as following two technology that patented claim provided product is by counterfeit.

Formerly technology 1. Chinese patent application (application number is 99116906.9) provide a kind of " method for anti-counterfeit of net-point printing plate-making and the printing made from this method ", its feature is to make one or a cover film, or on forme, generate the site that two kinds or two networking order angles are arranged simultaneously, again with the printing of making and compound, thereby show that latent figure reaches false proof purpose with the plain net film of the same angle of mass-tone toning version, collinear number.Its advantage is pollution-free and does not increase raw-material consumption.

Formerly technology 2. Chinese utility model patents (application number is 200420019609.5) provide a kind of mesh to transfer wide colour gamut tin graphed sheet false-proof sheet material, disclose a kind of mesh and transferred wide colour gamut tin graphed sheet false-proof sheet material, it comprises the iron-based sheet material, is provided with on the iron-based sheet material more than (CMYK) color separation of four looks with more than the mesh key width of cloth net color tin graphed sheet false proof layer of the definite false proof primary colours printing ink of four looks.Mesh key width of cloth net color tin graphed sheet false proof layer wherein is that netting twine is the amplitude modulation net of 150-350 line (lpi).This mesh is transferred wide colour gamut tin graphed sheet false-proof sheet material, obtains the integrated anti-counterfeit that the false proof and different lattice point structure features of hypercolour territory target combine, and can play anti-scanning, anti-effect of duplicating.The integrated anti-counterfeit effect is more obvious, more reliable, and the wright can also constantly change as required, makes the counterfeiter have no way of following up.Particularly it can according to customer requirements and different pictures select different hypercolour colour gamuts as false proof zone, select different color separation formes lattice point structure as the anti-counterfeiting characteristic net, reach the false proof purpose of vision.

The defective of above-mentioned technology formerly is that method is single, needs the additional testing sheet, or needs higher professional knowledge or detecting instrument to discern, and makes troubles to the consumer.And, also copied, and production cost is higher than being easier to.

Summary of the invention

Purpose of the present invention is in order to overcome the defective in the above-mentioned technology formerly, a kind of tin printing hidden antifake mark and method for making are provided, colored pattern is provided in the anti-counterfeiting mark that is provided, literal clearly, be similar to " watermark " and the invisible graph embossment of the concavo-convex feel of picture and text on the banknote (Renminbi), with human eye just can identification marking the true and false.

The present invention to achieve the above object, the technical scheme of being taked is: it comprises tin printing hidden antifake mark: metal substrate, be printed on group's floral pattern that the lines that interted by density, thickness, degree of tightness and different colours on the metal substrate constitute, be arranged in the microfilm of characters of pattern, be arranged in the shallow ring shadow of pattern, be arranged in the invisible graph embossment of pattern, be arranged in the picture and text that are printed on fluoresent printing ink and the secret mark of pattern.Wherein, the level of pattern partly is the arrangement of frequency-modulation halftone dot, and stochastic distribution, no fixed-direction and angle are arranged in homochromy site.And the lines junction contraposition unanimity of different colours decorative pattern in the pattern accurately is connected the lines of composition rule.

The present invention is in order to make above-mentioned tin printing hidden antifake mark, and the method for making of being taked comprises three big technological processes:

(1) Biao Shi design technology flow process:

1〉with bag design group of mapping software floral pattern, the group's floral pattern of forming with lines unordered, fine and closely woven, that thickness is uneven, different colours interts at random that has shallow phantom, and making different colours lines intersection become double-colored butt joint, joint is seamless, dislocation and overlapping;

2〉the design microfilm of characters is put into pattern;

3〉secret mark in layout and the microfilm of characters is finished anti-counterfeiting mark image, text and data file;

(2) the mask-making technology flow process of anti-counterfeiting mark:

1〉at first the anti-counterfeiting mark of above-mentioned design is repaired with layout with software and made;

2〉handle the anti-counterfeiting mark image, text and data file of above-mentioned design with computer screening server fm screening;

3〉select presensitized plate for use, and it is positioned punching with the presensitized plate tapping and plugging machine;

4〉presensitized plate that will make pilot hole is positioned on the laser platemaker;

5〉above-mentioned anti-counterfeiting mark image, text and data file is placed on the presensitized plate of laser platemaker;

6〉with laser platemaker presensitized plate is exposed, make the presensitized plate that has anti-counterfeiting mark image, text and data file;

7〉presensitized plate of above-mentioned exposure being made dashes version and roasting version through developing, make the positive forme that has anti-counterfeiting mark and frequency-modulation halftone dot at last;

(3) the typography flow process of metal anti-counterfeiting mark:

1〉with being coated with polishes in the conventional method: at first metal substrate is placed on the coating line, be coated with polishes on a face of metal substrate, through after the drying room oven dry, discharging is received buttress, discharging after the coating;

2〉with conventional method coating outward: the metal substrate that above-mentioned one side has been coated with polishes is placed on the coating line again, carries out coating composition at the another side of metal substrate, and through the drying room oven dry, discharging is received buttress, discharging after the coating;

3〉printing color anti-counterfeiting mark: with above-mentioned one side coating polishes, the metal substrate of another side coating composition is placed on the ultraviolet six look tin graphed sheet units, said method is made the positive forme that has anti-counterfeiting mark and frequency-modulation halftone dot be installed on the ultraviolet six look tin graphed sheet units, and make the picture and text that have anti-counterfeiting mark and frequency-modulation halftone dot be printed on metal substrate to have scribbled on the one side of coating; During printing, use ultraviolet printing ink between preceding 5 units, with ultraviolet light polymerization; The 6th unit fluoresent printing ink is with ultraviolet light polymerization;

4〉make the invisible graph embossment: make said metal substrates with lustring machine and be printed with invisible graph embossment in the colored anti-counterfeiting mark.

The concrete processing step that described invisible graph embossment is made is:

1, at first make the flexible glazing version:

1〉makes the film according to customer data file;

2〉film with above-mentioned making is shining the flexible glazing version with stereo concave-convex sense picture and text embossment that machine is used on the flexible plate;

2, local glazing

1〉use the lustring machine glazing:, it at first is the cationic colourless ultraviolet gloss oil of aliphatic epoxy resin that uses tin graphed sheet to use to the preparation of lustring machine, adopt reticulate pattern pottery roller, suitable cylinder-packing and above-mentioned flexographic plate are installed on the plate cylinder and adjust plate cylinder and impression cylinder between pressure and alignment gloss oil coating position;

2〉the picture and text embossment of the projection on the flexographic plate is partly coated the ultraviolet gloss oil, and the picture and text embossment that scribbles the ultraviolet gloss oil on the flexographic plate is transferred on the blanket;

3〉the picture and text embossment that scribbles the ultraviolet gloss oil on the blanket is printed onto on the metal substrate that has colored anti-counterfeiting mark;

3, whole glazing

The metal substrate of picture and text embossment in the colored anti-counterfeiting mark of above-mentioned local glazing is placed on the coating machine, carries out whole glazing with the process conditions of traditional heat curing gloss oil or dumb paint.

As above-mentioned, tin printing hidden antifake mark of the present invention and method for making effect are remarkable.

● tin printing hidden antifake mark of the present invention constitutes the pattern of a flower because of comprising by density, thickness, colour, interspersed solid line bar, duplicates so it can prevent to scan;

● in the tin printing hidden antifake mark of the present invention because comprise the invisible graph embossment.With finger touch embossment place, there is similar banknote (Renminbi) to go up the concave-convex sense of braille; With human eye side-looking sign, can see stealthy picture and text embossment at the light place, be similar to " watermark " on the banknote (Renminbi).Therefore, tin printing hidden antifake mark one of the present invention is to be not easy to copy, the 2nd, and easy identification, detecting instrument that need not be special-purpose;

● in the tin printing hidden antifake mark of the present invention,,,, can demonstrate visible light picture and text or specific part variable color with this specific part of UV-irradiation at the dark place because there is specific part to adopt the fluoresent printing ink of the special proportioning of the present invention;

● in the method for making of tin printing hidden antifake mark of the present invention, because adopt the fluoresent printing ink of the present invention's preparation, so the microfilm of characters of printing is clear and legible;

● in the method for making of tin printing hidden antifake mark of the present invention, comprise three big technological processes of design, plate-making and operplate printing, wherein roll into a ball the design of floral pattern and microfilm of characters, the printing of the invisible graph embossment in the colored anti-counterfeiting mark etc. all has unique feature, it not only has the printing precision height, technology is unique and the characteristics of imitated difficulty, and possess the false proof and false proof advantage in two wires of a line again, and both be convenient to ordinary consumer identification, can be manufacturer again and carry out the specialty discriminating.

Description of drawings

Fig. 1 is the structural representation of tin printing hidden antifake mark of the present invention.

Embodiment

Further specify anti-counterfeiting mark of the present invention and method for making below in conjunction with drawings and the specific embodiments.

As shown in Figure 1, anti-counterfeiting mark of the present invention is to be printed on the metal substrate 01, and it comprises and is printed on group's floral pattern 02 that the lines that interted by density, thickness, degree of tightness and different colours on the metal substrate 01 constitute; The microfilm of characters 08 of the group's of being arranged in floral pattern 02; (group's floral pattern 02 adds microfilm of characters 08 and is designated hereinafter simply as picture and text) is arranged in the shallow ring shadow 06 of a floral pattern, be arranged in the invisible graph embossment 04 of picture and text, be arranged in the junction 07 that scribbles fluoresent printing ink part 05, secret mark 03 and different colours lines of a floral pattern.

The lines of the different colours of described formation group floral pattern contain yellow line 021, blue lines 022, red lines 023, green lines 024 and purple blue lines 025 as shown in Figure 1 in the present embodiment.And whole lines all are the solid line bar.If at the light place, with 20 times of lens examination group fancy rules, not solid line entirely, the lines that have become the some dotted line, then are counterfeit merchandise.

The described microfilm of characters 08 that is arranged in a floral pattern 02 is clear and legible, if at the light place, with 20 times of lens examination literal places, is that the handwriting is blurred, is difficult to identification, then is counterfeit merchandise.

The described secret mark 03 that is arranged in picture and text in the present embodiment, interrupts as secret mark with the local intersection of single line bar, if at the light place, with human eye or with 10 times lens examination appointment place, as the local junction interruption of none root lines, then is counterfeit merchandise.

The lines that the described shallow ring shadow 06 that is arranged in a floral pattern is a floral pattern 02 intersect on certain position, constitute the shallow ring shadow on the vision (illusion).At the light place, detect by an unaided eye, as the shallow ring shadow on none illusion, then be counterfeit merchandise.

The described invisible graph embossment 04 that is arranged in picture and text is divided into three kinds of spaces of a whole page usually, and a kind of is that picture and text are partly outstanding, the blank parts depression; Second kind is that blank parts is outstanding, and picture and text partly cave in; The third is the concavo-convex of part picture and text part and blank parts interval.In the present embodiment, sign 04 place is partly protrusion places of part picture and text among Fig. 1.At the light place, side-looking anti-counterfeiting mark with the naked eye, irregular picture and text have " watermark " on the similar banknote (Renminbi), as no picture and text embossment, promptly do not have and protrude or recess; Or with finger touch embossment place, the no concave-convex sense then is a counterfeit merchandise.

The pattern level of whole anti-counterfeiting mark of the present invention partly adopts frequency-modulation halftone dot, and in the present embodiment, the diameter of site is 17mm; Stochastic distribution, no fixed-direction and angle are arranged in homochromy site.At the light place, with 10 times lens examination picture and text level part, as find that the arrangement of homochromy site is linked to be same direction, same angle then is a counterfeit merchandise.

Described be arranged in a floral pattern 02 scribble fluoresent printing ink part 05, in the present embodiment, the center section that is positioned at pattern 02 is for scribbling fluoresent printing ink part 05, at the dark place, with this part of ultra violet lamp, can demonstrate visible light picture and text or variable color, as can not demonstrating the visible light picture and text consistent with model or not luminous, or nondiscolouring (or variable color and model inconsistent) then is a counterfeit merchandise.

The method that the present invention makes anti-counterfeiting mark as shown in Figure 1 comprises three big technological processes:

(1) the design technology flow process of anti-counterfeiting mark:

1 〉, adopt unordered at random, fine and closely woven and have shallow phantom (visual illusion), thick lines all uneven, that different colours interts to form a floral pattern at first with conventional bag design group of a mapping software floral pattern.In the present embodiment, according to the characteristics (once can print six looks) of ultraviolet (UV) six look tin graphed sheet machines, a floral pattern is carried out colour divide the polychrome double exposure.According to the characteristics of banknote anti-counterfeiting technology, make each colored lines intersection become double-colored butt joint, joint tight, dislocation and overlapping again;

2〉the design microfilm of characters places a floral pattern, and in the present embodiment, the microfilm of characters height is 0.25-0.33mm;

3〉secret mark in the layout, in the present embodiment, design single line bar as secret mark, is finished anti-counterfeiting mark image, text and data file in the intersection local interruption at last;

(2) the mask-making technology flow process of anti-counterfeiting mark:

1〉at first the anti-counterfeiting mark of above-mentioned design is repaired with layout and made; In the present embodiment, when using with above-mentioned design, (Illustrator artpro) repairs with layout intrinsic anti-counterfeiting mark and makes used identical mapping software bag;

2〉handle the anti-counterfeiting mark image, text and data data of above-mentioned design with computer screening server (Nexus rip) fm screening; In the present embodiment, the diameter of used site is 17mm;

3〉select presensitized plate (PS version) for use, and it is positioned punching with presensitized plate (PS version) tapping and plugging machine; In the present embodiment, adopt Fuji's starlight positive presensitized plate (PS version), PS version tapping and plugging machine is a B+K company product;

4〉presensitized plate that will make pilot hole is positioned on the laser platemaker;

5〉above-mentioned anti-counterfeiting mark image, text and data file is placed on the presensitized plate of laser platemaker;

6〉with laser platemaker presensitized plate is exposed, make the presensitized plate that has above-mentioned anti-counterfeiting mark image, text and data file; In the present embodiment, adopt UV-setter (ultraviolet light platemaking machine) platemaking machine (being called the CTcP technology) plate-making;

7〉presensitized plate to above-mentioned exposure develops, dashes version and roasting version, makes the positive forme (being commonly referred to the PS forme) that has anti-counterfeiting mark and frequency-modulation halftone dot at last; In the present embodiment, adopt automatically and develop, dash the version machine and develop, dash version and roasting version with roasting version machine;

(3) the typography flow process of metal anti-counterfeiting mark:

1〉with being coated with polishes in the conventional method: at first will antiforge the metal substrate of sign be seated on the coating line, on a face of metal substrate, be coated with polishes, through after the drying room oven dry, discharging is received buttress, discharging after the coating; In the present embodiment, the polishes of coating adopts polishes commonly used (as the FQ290-68079 that ICI company produces, the 214-3PG that PPG company produces etc.); The coating line that is adopted comprises coating machine (as Fuji's coating machine) and drying room (Hua Yu); Wanting the metal substrate of antiforge sign is the tinplate sheet;

2〉with conventional method coating outward, the metal substrate that above-mentioned one side (being called inner face) has been coated with polishes is placed on the coating line again, carries out coating composition on the another side (being called the outside) of metal substrate, after the coating, after the drying room oven dry, discharging, receive buttress, discharging; In the present embodiment, the coating of coating adopts Bai Keding coating as primary coat;

3〉printing color anti-counterfeiting mark: with above-mentioned one side coating polishes, the metal substrate of another side coating composition is placed on the ultraviolet six look tin graphed sheet units, with said method make positive PS forme be installed on the ultraviolet six look tin graphed sheet units, make anti-counterfeiting mark on the positive PS forme and frequency-modulation halftone dot be printed on metal substrate and scribbled on the one side of coating; During printing, use ultraviolet printing ink between preceding 5 units, with ultraviolet light polymerization; The 6th unit fluoresent printing ink is with ultraviolet light polymerization; Used ultraviolet six look tin graphed sheet units are star 2 types of metal in the present embodiment.

During above-mentioned printing, the 6th fluoresent printing ink that unit adopted is formulated by the UV printing ink of by weight percentage 24% to 27% Ultraluminescence whitening agent and 76% to 73%.

4〉make the invisible graph embossment: make said metal substrates with lustring machine and be printed with invisible graph embossment in the colored anti-counterfeiting mark; Make its anti-counterfeiting mark become uneven and light and dark picture and text.

Embodiment 1

Make three big technological processes such as above-mentioned of tin graphed sheet anti-counterfeiting mark method, the concrete processing step that making has been printed with the invisible graph embossment on the colored anti-counterfeiting mark is:

(1) at first makes the flexible glazing version

1〉makes the film (film) according to customer data file; In the present embodiment, client's data file is " a Baosteel tin graphed sheet ", and the film specification of producing is 1090 * 900mm breadth;

2〉film with above-mentioned making is shining the flexographic plate with stereo concave-convex sense embossment that machine is used on the flexible sheet; This flexographic plate is the polyester sheet base of UV resistant gloss oil, and the thickness of version is 1.14 millimeters.Generally, the embossment on the flexographic plate has three kinds of versions, and a kind of is to adopt picture and text partly to protrude, the blank parts depression; Or adopting picture and text partly to cave in, blank parts is protruded; Or employing part picture and text part and blank parts interval is concavo-convex.In the present embodiment: " Baosteel tin graphed sheet " picture and text partly protrude, other part depressions;

(2) local glazing

1〉adopts the lustring machine glazing, at first be preparation to lustring machine: the coating weight that lustring machine (adopting the star 2 type lustring machines of metal in the present embodiment) adopts be 5 grams/square metre online article pottery roller, use UV-lamp, the cationic colourless ultraviolet gloss oil of aliphatic epoxy resin (ICIMAR UVVARNISH) that adopts tin graphed sheet to use installs the flexographic plate that cylinder-packing and above-mentioned having " Baosteel tin graphed sheet " are protruded on plate cylinder; And adjust pressure between plate cylinder and the impression cylinder, it is best that this pressure is adjusted to the embossing of 3-4 mm wide.In the present embodiment, the pressure of adjustment is the embossing of 3 mm wides, the position of alignment gloss oil coating simultaneously;

2〉the picture and text embossment of the projection on the flexographic plate is partly coated the ultraviolet gloss oil; And the picture and text embossment that scribbles the ultraviolet gloss oil on the flexographic plate is transferred on the blanket;

3〉the picture and text embossment that scribbles the ultraviolet gloss oil on the blanket is printed onto on the metal substrate that has colored anti-counterfeiting mark;

Behind the local glazing, have only the projection of glazing that bright in color is arranged; In the present embodiment, just the picture and text of " Baosteel tin graphed sheet " only partly protrude then also picture and text part glazing to " the Baosteel tin graphed sheet " that protrudes.Behind the local glazing, also have only the picture and text of " the Baosteel tin graphed sheet " of this part protrusion that bright in color is arranged certainly; Should note following several problem for local glazing in the present embodiment:

● the local last light time, should note the coating weight of ultraviolet (UV) gloss oil.Common coating weight be 3-4 gram/square metre.Because UV gloss oil coating weight is too high, and is relatively poor by the adhesion of the projection of glazing, come off easily; If the coating weight of UV gloss oil is too low, not obvious by the projection of glazing, then the effect of picture and text embossment is relatively poor.

● the local last light time, the coating speed of lustring machine also should be controlled at 7000/hour relatively good.Because speed is too low, can make the UV gloss oil be in the overcuring state, make the part adhesion of projection relatively poor, cause easily to come off.

● for the requirement of UV gloss oil at 90% solid state.This moment, there was slight sticking sense on the gloss oil surface, and as less than 90%, the UV gloss oil is too sticking, can be inter-adhesive between the metal substrate; As greater than 90%, the UV gloss oil is too hard, can influence and the ordinary hot curing varnish of next procedure between connect firmly performance, and then influence adhesion.

(3) whole glazing

The metal substrate of picture and text embossment in the above-mentioned colored anti-counterfeiting mark of local glazing of process is placed on the coating machine, carries out whole glazing with the process conditions of traditional heat curing gloss oil or dumb paint; Glazing process condition such as traditional heat curing gloss oil requires in normal circumstances: the isothermal curing temperature is the 175-185 degree; Dry film heavily for 5.5-6.5 gram/square metre because dry film is heavy too high, can influence moulding and adhesion; Dry film is low heavily excessively, can influence processing characteristicies such as skin hardness; The isothermal curing time is 10 minutes; Gloss oil viscosity is 75 ± 5 seconds, No. 4, Ford cup, 25 ℃; Adopt the cylinder coating process; Start drying room, temperature is made as 180 degree, installation be polyurethane coated rubber roll, in the present embodiment, adjust the coating machine make dry film heavily be 6 grams/square metre.

Present embodiment adopts the manufacture craft flow process of above-mentioned tin graphed sheet " invisible graph embossment ", and made is at the external appearance characteristic of the anti-counterfeiting mark of tinplate sheet:<1〉have a light oil type that traditional hot is solidified.<2〉under light, side-looking color printing iron plate can be observed the invisible graph embossment of " Baosteel tin graphed sheet ", " watermark " on the similar banknote of its effect (Renminbi), and figure is " Baosteel tin graphed sheet " picture and text part of local glazing.Stereoscopic sensation is stronger.<3 〉, there is similar banknote (Renminbi) to go up the concave-convex sense of the region between the heart and the diaphragm literary composition with the picture and text embossment place of hand touch " Baosteel tin graphed sheet ".

In the present embodiment, when the type metal anti-counterfeiting mark, the 6th fluoresent printing ink that unit is used is formulated by the UV printing ink (yellow ICI 601.279) of by weight percentage 25% Ultraluminescence whitening agent (ici optical brighten) and 75%.

Environment temperature is 25 degree during preparation, and the viscosity of printing ink is 200 Perth.

The form and aspect that the fluoresent printing ink that is mixed with presents with printing ink (yellow ICI 601.279) was identical originally-,, can send stronger fluorescence, and demonstrate the fluorescence picture and text with its fluoresent printing ink position of UV-irradiation for yellow.

Embodiment 2:

All manufacture craft flow processs are all identical with embodiment 1.When only being condition in the concrete processing step of printing invisible graph embossment and printing color anti-counterfeiting mark, the proportioning difference of the 6th fluoresent printing ink that unit adopted.The processing step of concrete printing invisible graph embossment is identical with embodiment 1, and just condition and particular content are different, as:

Printing " invisible graph embossment " processing step:

(1) makes the flexible glazing version

1〉make the film (film) according to customer data file, in the present embodiment, customer data file is " a Baosteel tin graphed sheet ", and what make is the film of 1090 * 50mm breadth specification;

2〉shine to go up the flexographic plate with stereo concave-convex sense embossment that machine is used with this film, this edition is the polyester version base of UV resistant gloss oil, and version thickness is 1.14 millimeters;

In the present embodiment, " Baosteel tin graphed sheet " picture and text partly cave in, and other blank parts are protruded;

(2) local glazing

1〉lustring machine (B+K type) prepare to adopt coating weight be 4 grams/square metre reticulate pattern pottery roller;

A. used UV-lamp power is 61.8kw;

B. adopt the colourless ultraviolet gloss oil of tin graphed sheet (ICIMAR UV VARNISH);

C. install suitable cylinder-packing and " Baosteel tin graphed sheet " flexible glazing version on the plate cylinder;

D. the pressure of adjusting between plate cylinder and the impression cylinder is the embossing of 4 mm wides;

E. the alignment gloss oil is coated with the position;

Before the glazing, the UV printing ink on the color printing iron plate (acrylic acid free radical type) surface is full solidification.

Local glazing (" Baosteel tin graphed sheet " picture and text do not have gloss oil, and other blank picture and text are partly with gloss oil) the ultraviolet gloss oil coating weight standard of starting shooting be 4 grams/square metre; Other all is general step and condition, as: adopting machine speed is 6000/hour; It is qualified to detect ultraviolet gloss oil curing; Check adhesion is the GB secondary; Then, receive buttress, discharging; Last Baosteel color printing iron surface has " Baosteel tin graphed sheet " picture and text of relative color and luster dimness;

(3) whole glazing

1〉adopts Japan F69-3R dumb paint process conditions

A, isothermal curing temperature: 175 degree

B, dry film is heavy: 5.5 grams/square metre

C, the isothermal curing time: 10 minutes

D, the gloss oil viscosity: 75 seconds, No. 4, Ford cup, 25 ℃

E, coating process: cylinder coating

2〉start drying room and be warming up to design temperature 175 degree

3〉polyurethane coated rubber roll is installed

4〉adjust the coating machine make dry film heavily be 5.5 grams/square metre

5〉tinplate sheet (having finished color printing+local glazing) enters the coating machine and flies to reach

6〉the iron plate coating is carried in start

7〉iron plate of coated gloss oil (wet film) enters the drying room heat curing

8〉iron plate that has been cured of gloss oil is received buttress

9〉discharging (the false proof finished product of Baosteel tin graphed sheet)

The external appearance characteristic of anti-counterfeiting mark is:

A is a traditional hot light solidifying matt oil type

B observes Baosteel color printing iron plate generally speaking, is difficult to find iron plate built-in " the invisible graph embossment (depression) of " Baosteel tin graphed sheet " "

C is under light, and side-looking color printing iron plate examines and can find that " the invisible graph embossment (depression) of " Baosteel tin graphed sheet " " arranged, " watermark " on the similar banknote of its effect (Renminbi), and stereoscopic sensation is stronger.

D. touch " Baosteel tin graphed sheet " picture and text embossment place with hand, have similar banknote (Renminbi) to go up the concave-convex sense of braille;

The condition of fluoresent printing ink preparation

The prescription characteristics:

1, environment temperature: 22 degree

2, configuration proportion: Ultraluminescence whitening agent (ici optical brighten): UV printing ink (green ICI 601.280)=23: 77

3, the viscosity of printing ink: 200 Perth.

External appearance characteristic:

Fluoresent printing ink presents and the original identical form and aspect-green of printing ink (green ICI 601.280); With the green fluoresent printing ink of UV-irradiation position, stronger fluorescence can be sent in this position, demonstrates the fluorescence picture and text.

Claims (3)

1. the method for making of tin printing hidden antifake mark is characterized in that comprising three big technological processes:
(1) the design technology flow process of anti-counterfeiting mark:
1〉with bag design group of mapping software floral pattern, the group's floral pattern of forming with lines unordered, fine and closely woven, that thickness is uneven, different colours interts at random that has shallow phantom, and making different colours lines intersection become double-colored butt joint, joint is seamless, dislocation and overlapping;
2〉the design microfilm of characters is put into a floral pattern;
3〉secret mark in design group's floral pattern and the microfilm of characters constitutes anti-counterfeiting mark image, text and data file at last;
(2) the mask-making technology flow process of anti-counterfeiting mark:
1〉at first the anti-counterfeiting mark of above-mentioned design is repaired with layout with software and made;
2〉handle the anti-counterfeiting mark image, text and data file that contains above-mentioned design with computer screening server fm screening;
3〉select presensitized plate for use, and it is positioned punching with the presensitized plate tapping and plugging machine;
4〉presensitized plate that will make pilot hole is positioned on the laser platemaker;
5〉above-mentioned anti-counterfeiting mark image, text and data file is placed on the laser platemaker presensitized plate;
6〉with laser platemaker presensitized plate is exposed, make the presensitized plate that has anti-counterfeiting mark image, text and data file;
7〉presensitized plate of above-mentioned exposure being made dashes version and roasting version through developing, make the positive forme that has anti-counterfeiting mark and frequency-modulation halftone dot at last;
(3) the typography flow process of metal anti-counterfeiting mark:
1〉with being coated with polishes in the conventional method: at first metal substrate is placed on the coating line, be coated with polishes on a face of metal substrate, through after the drying room oven dry, discharging is received buttress, discharging after the coating;
2〉with conventional method coating outward: the metal substrate that above-mentioned one side has been coated with polishes is placed on the coating line again, carries out coating composition at the another side of metal substrate, after the coating through drying room dry by the fire in, discharging is received buttress, discharging;
3〉printing color anti-counterfeiting mark: with above-mentioned one side coating polishes, the metal substrate of another side coating composition is placed on the ultraviolet six look tin graphed sheet units, said method is made the positive forme that has anti-counterfeiting mark and frequency-modulation halftone dot be installed on the ultraviolet six look tin graphed sheet units, and make the picture and text that have anti-counterfeiting mark and frequency-modulation halftone dot be printed on metal substrate to have scribbled on the one side of coating; During printing, use ultraviolet printing ink between preceding 5 units, with ultraviolet light polymerization; The 6th unit fluoresent printing ink is with ultraviolet light polymerization;
4〉make the invisible graph embossment: make said metal substrates with lustring machine and be printed with invisible graph embossment in the colored anti-counterfeiting mark, its concrete processing step is:
[1] at first make the flexible glazing version:
1〉makes the film according to customer data file;
2〉film with above-mentioned making is shining the flexible glazing version with stereo concave-convex sense picture and text embossment that machine is used on the flexible plate;
[2] local glazing
1〉uses the lustring machine glazing: at first be preparation: the cationic colourless ultraviolet gloss oil of aliphatic epoxy resin that uses tin graphed sheet to use to lustring machine; Adopt reticulate pattern pottery roller; Cylinder-packing and above-mentioned flexographic plate are installed on the plate cylinder and adjust plate cylinder and impression cylinder between pressure and alignment gloss oil coating position;
2〉the picture and text embossment of the projection on the flexographic plate is partly coated the ultraviolet gloss oil, and the picture and text embossment that scribbles the ultraviolet gloss oil on the flexographic plate is transferred on the blanket;
3〉the picture and text embossment that scribbles the ultraviolet gloss oil on the blanket is printed onto on the metal substrate that has colored anti-counterfeiting mark;
[3] whole glazing
The metal substrate that has colored anti-counterfeiting mark of above-mentioned local glazing is placed on the coating machine, carries out whole glazing with the process conditions of traditional heat curing gloss oil or dumb paint.
2. the method for making of tin printing hidden antifake mark according to claim 1 is characterized in that the embossment on the described flexible glazing version is to adopt picture and text partly to protrude, the blank parts depression; Perhaps adopt picture and text partly to cave in, blank parts is protruded; Perhaps adopt the concavo-convex of part picture and text part and blank parts interval.
3. the method for making of tin printing hidden antifake mark according to claim 1, when it is characterized in that the printing color anti-counterfeiting mark, the 6th fluoresent printing ink that unit adopted is formulated by the UV printing ink of by weight percentage 24% to 27% Ultraluminescence whitening agent and 76% to 73%.
CNB2006100233064A 2006-01-13 2006-01-13 Tin printing hidden antifake mark and producing method CN100433078C (en)

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Application Number Priority Date Filing Date Title
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CN102145604B (en) * 2010-02-09 2015-04-08 上海宝钢包装股份有限公司 Printing and coating method for UV (ultraviolet) deformation of shallow drawn two-piece can
CN102582305B (en) * 2012-02-07 2014-07-09 上海宝钢包装股份有限公司 Locked reticulate pattern UV (ultraviolet) printing method
CN102723043A (en) * 2012-06-26 2012-10-10 广东金冠科技发展有限公司 Method for manufacturing anti-counterfeit multi-color flower mission
CN102825935A (en) * 2012-09-21 2012-12-19 郑州金泰制罐有限公司 Polishing-free metal decorating process for partially printing characters or small patterns
CN103909753B (en) * 2013-01-04 2016-08-10 上海宝钢包装股份有限公司 A kind of metal UV color printing product print coating method
CN104260570A (en) * 2014-08-29 2015-01-07 深圳市冠为印务有限公司 Novel visual anti-counterfeit printing method
CN106318017A (en) * 2016-03-04 2017-01-11 上海火并信息技术有限公司 Technology for recognizing common four-color printing ink printing hidden watermark through ultraviolet irradiation
CN105882172A (en) * 2016-05-10 2016-08-24 深圳市睿同科技有限公司 Novel flexographic printing method
CN107128093B (en) * 2017-05-22 2019-09-13 山东大森印刷包装科技有限公司 The reverse frosted false proof process of UV

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CN1132696A (en) * 1995-04-07 1996-10-09 天津市戈德防伪技术公司 Printing process of anti-forgery mark
CN1144948A (en) * 1995-09-05 1997-03-12 上海国际珠宝首饰公司工艺品分公司 Production method for metal hidden mark and its product
CN1556249A (en) * 2004-01-08 2004-12-22 中国印钞造币总公司 Method of making hard alloy punching mould
CN1613734A (en) * 2003-11-05 2005-05-11 连运增 Packing pot of aerosol and its production
JP2005219356A (en) * 2004-02-06 2005-08-18 National Printing Bureau Authenticity discriminating medium

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1132696A (en) * 1995-04-07 1996-10-09 天津市戈德防伪技术公司 Printing process of anti-forgery mark
CN1144948A (en) * 1995-09-05 1997-03-12 上海国际珠宝首饰公司工艺品分公司 Production method for metal hidden mark and its product
CN1613734A (en) * 2003-11-05 2005-05-11 连运增 Packing pot of aerosol and its production
CN1556249A (en) * 2004-01-08 2004-12-22 中国印钞造币总公司 Method of making hard alloy punching mould
JP2005219356A (en) * 2004-02-06 2005-08-18 National Printing Bureau Authenticity discriminating medium

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