CN103835175B - Antifalsification paper and its manufacture method - Google Patents
Antifalsification paper and its manufacture method Download PDFInfo
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- CN103835175B CN103835175B CN201210474329.2A CN201210474329A CN103835175B CN 103835175 B CN103835175 B CN 103835175B CN 201210474329 A CN201210474329 A CN 201210474329A CN 103835175 B CN103835175 B CN 103835175B
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Abstract
The invention discloses a kind of antifalsification paper and its manufacture method and strip material operating synchronizer，The antifalsification paper manufactured paper with pulp step before fiber dispersion is deposited on cylinder surface，Strip material is fitted in into cylinder surface and with cylinder run-in synchronism first，Then strip material region and non-banding material area formation of deposits l Water Paper page of the fiber dispersion on cylinder surface，Then l Water Paper page is torn off and is transferred to long net surface，L Water Paper page and cylinder、Strip material is separated，Strip material continues run-in synchronism with cylinder，Strip material is torn off separation from cylinder surface by the last position in setting，L Water Paper page forms white watermark in the corresponding region of strip material，The strip material operating synchronizer used in the antifalsification paper manufacture method is that driving means drive at least two belt wheels to drive strip material to be synchronized with the movement with cylinder，The antifalsification paper manufacture method of the present invention is easy to operate，Save production cost，Production efficiency is high，The antifalsification paper antifalse effect produced by which is good.
Description
Technical field
The present invention relates to a kind of paper and papermaking process, more particularly to a kind of antifalsification paper and its manufacture method with.
Background technology
White watermark technology, as a traditional anti-counterfeiting technology, is a kind of widely used line anti-counterfeiting technology, technology tool
There is intuitively visual effect, with higher antifalsification.
Plain boiled water printing paper is mainly manufactured paper with pulp by cylinder mould machine, during manufacturing paper with pulp, pulp deposits on cylinder surface, by
Be processed in the specific part in cylinder, the drainability of the specific region is made less than the drainability in other regions, so as to
Deposition of the fiber in the specific region is less than other zone fiber depositions, forms locally meagre, after wet sheet forming, passes through
Projection light observes plain boiled water printing paper, and the light transmission of the light transmission higher than other regions in the few region of fiber deposition can be observed, this
Plain boiled water printing paper is formed just.
The not making of filtered water section, mainly cylinder specific part be welded or electroforming method addition sheet metal or gold
Category silk, forms not filtered water section, or in cylinder surface-coated macromolecular material, it is cured to form not filtered water section afterwards.
Said method makes cylinder not filtered water section, has the advantages that easy to operate, but makes not drainage using said method
Qu Hou, can only make the white watermark with specific pattern using the veil, when needing to manufacture another kind of white watermark pattern
Paper, needs to make new not filtered water section in new circle net surface, and original cylinder cannot be reused.
The content of the invention
In order to overcome drawbacks described above, the present invention provides a kind of antifalsification paper and its manufacture method and strip material operating is same
Step device, is realized using the antifalsification paper manufacture method production safety paper and produces various plain boiled water printing papers using same cylinder
, production cost is saved, production efficiency is improve.
The technical scheme that adopted to solve its technical problem of the present invention is：A kind of antifalsification paper manufacture method, successively
Including beating, it is with slurry, manufacture paper with pulp, squeeze, being dried, press polish and batching step, wherein manufacture paper with pulp in step, using having fourdrinier wire and cylinder
Cylinder mould machine, it is described to manufacture paper with pulp in step, before fiber dispersion is deposited on cylinder surface, first strip material is fitted in
Cylinder surface, then the strip material is with cylinder run-in synchronism, then strip material region of the fiber dispersion on cylinder surface
With non-banding material area formation of deposits the first l Water Paper page, then the first l Water Paper page taken off paper bowl and torn off and be transferred to long net surface,
First l Water Paper page is separated with cylinder, strip material, and strip material continues run-in synchronism with cylinder, finally in the position of setting by band
Shape material tears off separation from cylinder surface, and the first l Water Paper page forms white watermark in the corresponding region of strip material, strip material with
Cylinder run-in synchronism, fiber dispersion strip material region deposition less than the deposition in non-banding material area, it is fine
Dimension dispersion liquid is deposited on to be taken off paper bowl and torn off after cylinder surface forms the first l Water Paper page and is transferred to long net surface, in strip material
Corresponding region forms white watermark, and the advantage using strip material is that strip material is easily designed on computers and uses machine
Production.
Used as known technology, the paper high for intensity requirement, needs are carried out after drying steps in production stage
Top sizing or coating, enter next step after drying.
As a further improvement on the present invention, described strip material contacts the width of side not less than banding material with cylinder
The width of material opposite side, the side width that strip material is contacted with cylinder is 2-10mm, and the width of ribbon is according to internal hollow out
The change of pattern and be changed, to continuously repeat pattern, the width of ribbon can not change such as internal pierced pattern, such as
Internal pierced pattern is interruption repeat patterns, and the width of ribbon can not change, also dependent on the periodicity of pierced pattern
Design, the change of strap width generating period width.
As a further improvement on the present invention, described strip material in the thickness in cylinder surface direction is
0.1-2mm, the deposition of the thickness and widths affect fiber of strip material.Strip material zone fiber deposition is less than non-banding material
Material zone fiber deposition, after wet sheet forming is torn off, on the first l Water Paper page, the corresponding region of strip material forms white watermark.
As a further improvement on the present invention, strip material has the one kind in solid construction and engraved structure, banding material
The engraved structure of material, due to the multiformity of strip material base material, processing mode can be with the rear processing side such as wire cutting, cut
Formula, it would however also be possible to employ formed in mould mode makes the strip material containing void region, this depends on strip material base material
From the construction with void region.
According to the strip material that processing and fabricating contains void region is pre-designed, by the strip material and cylinder of void region
The side of patch sum, void region are shaped as character, one kind of pattern and combinations thereof what the side surface was presented.As excellent
The scheme of choosing, character can be selected from rectangle, pros selected from the characters such as Arabic numerals, English alphabet, Chinese character, pattern
Shape, rhombus, circle, triangle, ellipse, tetragon, polytropy, sector, wave and other irregular figures, as one kind
Preferred scheme, independent point, one kind of line and their group are contained in the shape that the side surface is presented in the void region
Close.
As a further improvement on the present invention, described strip material is contacted with cylinder lateral edges are shaped as curve
Shape, fold-line-shaped or combination.
As a further improvement on the present invention, described strip material be by PA, PU, PP, PE, PVC, rubber, alloyed copper,
The endless belt-shaped thing that one or more material in rustless steel, politef is made, basis of the ribbon from profile,
To be determined by factors such as the base material of strip material, the constructions of void region, in order to improve the intensity of strip material, reduce due to
Apply the impact that external force causes deformation to strip material, when strip material selection is nonmetallic to be processed as base material, banding
Fiber reinforcing fillers, thin copper wire etc. can be added in material to increase the material of intensity.
As a further improvement on the present invention, it is described in step of manufacturing paper with pulp, using the cylinder mould machine of multiple cylinders, another
One cylinder surface is manufactured paper with pulp and forms the second l Water Paper page, and the second l Water Paper page is attached to long net surface and moves with fourdrinier wire, is then attached with
The fourdrinier wire of the second l Water Paper page tears off the first l Water Paper page, and the first l Water Paper page and the second l Water Paper page are compounded to form the 3rd l Water Paper page, work as band
Shape material area surface is deposited without fiber, and after the first wet sheet forming is torn off, on the first l Water Paper page, belt-like zone is corresponding
Region forms hollow out, by the compound form of the second l Water Paper page and the first l Water Paper page form that the 3rd new l Water Paper page just solves it is upper
Problem is stated, relatively weak white watermark area is formed on the 3rd l Water Paper page.
As a further improvement on the present invention, the fiber dispersion is by the group of natural fiber, synthetic fibers or both
Conjunction is made.
A kind of strip material operating synchronizer, including driving means and at least two belt wheels, the strip material winding
In belt wheel circumferential surface, strip material outer surface is close to cylinder surface, and driving means driving pulley and cylinder are synchronously transported in the same direction
It is dynamic.
A kind of antifalsification paper, the antifalsification paper surface are formed with white watermark, and watermark is also contained on the antifalsification paper surface
And safety line, anti-false fiber is also contained on its internal and surface, of the invention to combine with traditional paper false proof technology, is produced
Antifalsification paper, will further improve the anti-counterfeiting resistance of the safe objects such as banknote using the paper institute processing and fabricating, security, resistance
The attempt that only adulterator is replicated and copied.Described traditional paper false proof technology, including paper watermark technology, false proof fibre
Dimension paper technology, safety line paper technology etc..
The paper manufactured using said method becomes reel Jing after batching, and the following process of reel includes cut paper, printing, divides
The conventional processing steps such as cut, produce the safe object such as banknote, security.
The invention has the beneficial effects as follows：The present invention adopts reusable strip material, and which can be on same cylinder surface
Various strip materials are changed, the different paper of various white watermark paper productions can be produced using same cylinder and need not be changed cylinder,
Strip material need to be adjusted only, it is easy to operate, production cost is saved, improve production efficiency, the antifalsification paper produced by which are held
Easily it is distinguish true from false with naked eyes by the public, enhances the antifalse effect of antifalsification paper.
Description of the drawings
Fig. 1 is the antifalsification paper manufacture method schematic diagram of the present invention；
Fig. 2 is solid, Linear edge strip material structural representation；
Fig. 3 is solid, the manufacture of Linear edge strip material safe object schematic diagram；
Fig. 4 overlooks diagram for a kind of solid, fold-line-shaped edge strip material partial structurtes；
Fig. 5 is the safe object containing fold-line-shaped edge white watermark pattern；
Fig. 6 is the safe object schematic diagram containing hollow out, arc line type edge banding material manufacture；
Fig. 7 is the safe object of strip material manufacture as shown in Figure 6；
Fig. 8 is the safe object schematic diagram containing the strip material manufacture that void region, edge are curve and Straight Combination；
Fig. 9 is the safe object of strip material manufacture as shown in Figure 8.
Specific embodiment
Embodiment one：
A kind of antifalsification paper (as shown in Figure 3), contains white watermark pattern 8 on antifalsification paper surface.
Raw material of the present embodiment antifalsification paper comprising following oven dry weight part：4 parts of cotton fibers and 1 part of anti-false fiber 11；This
For colorless fluorescent fiber, the paper-making fibre for adopting is the cotton fiber through being beaten to the anti-false fiber adopted in embodiment；This example
Middle strip material is solid, Linear edge, is made using PU materials.
A kind of manufacture method of antifalsification paper：
Step 1. installs strip material operating synchronizer, and the device includes being filled by the driving that motor and drive system are constituted
The belt wheel of strip material is put and is wound with, strip material is driven by motor, synchronous with cylinder by motor control strip material
Operating；
Step 2. is manufactured paper with pulp technology using traditional cylinder, the first l Water Paper page 3 of manufacturing paper with pulp, quantification of 80 grams of the first l Water Paper page 3/
Square metre；
First l Water Paper of step 3. page 3 remains in operation to next step with Fourdriner paper machine wire；
Step 4. is squeezed, is dried, press polish, batch, the conventional processing steps such as cut paper.
Embodiment two：
A kind of antifalsification paper, contains white watermark pattern 8 on antifalsification paper surface.
Raw material of the present embodiment antifalsification paper comprising following oven dry weight part：4 parts of cotton fibers and 1 part of anti-false fiber 11；This
For colorless fluorescent fiber, the paper-making fibre for adopting is the cotton fiber through being beaten to the anti-false fiber adopted in embodiment；This example
Middle strip material is solid, broken line edge, adopts material and makes for the PA containing metallic fiber.
A kind of manufacture method of antifalsification paper：
Step 1. installs strip material operating synchronizer, and the device includes being filled by the driving that motor and drive system are constituted
The belt wheel of strip material is put and is wound with, strip material is driven by motor, synchronous with cylinder by motor control strip material
Operating；
Cylinder mould machine of the step 2. using multiple cylinders, the first l Water Paper page 3 manufactured paper with pulp is containing fixing watermark 9 and safety line
10, to manufacture paper with pulp on another cylinder surface and form the second l Water Paper page 6, the second l Water Paper page is attached to 5 surface of fourdrinier wire and moves with fourdrinier wire, so
The fourdrinier wire 5 that postadhesion has the second l Water Paper page 6 tears off the first l Water Paper page 3, and the first l Water Paper page 3 and the second l Water Paper page 6 are compounded to form
Three l Water Paper pages 7；
3rd l Water Paper page 7 of step 3. composite molding remains in operation to next step with fourdrinier wire
Step 4. is squeezed, is dried, press polish, batch, the conventional processing steps such as cut paper are obtained
A kind of antifalsification paper；
A kind of antifalsification paper manufactured by step 5., forms peace Jing after printing, cutting
Full object (as shown in Figure 5) (being banknote herein), wherein safe object 12
Containing white watermark region 8, the positive back face printing of safe object has word and pattern.
Embodiment three：
A kind of antifalsification paper, contains white watermark pattern 8 on antifalsification paper surface.
Raw material of the present embodiment antifalsification paper comprising following oven dry weight part：10 parts of flax fibers and 1 part of anti-false fiber 11；
The paper-making fibre for adopting is the flax fiber through being beaten；Being added as one of anti-fake material using security pigment is carried out in slurry
Manufacture paper with pulp；In this example, strip material is the strip material containing void region 13, the shape that void region is presented in the side surface
For irregular geometric figure and the geometric figure of rule, the edge of strip material is curve, adopt material for alloyed copper material
Material makes strip material.
A kind of manufacture method of antifalsification paper：
Step 1. installs strip material operating synchronizer, and the device includes being filled by the driving that motor and drive system are constituted
The belt wheel of strip material is put and is wound with, strip material is driven by motor, synchronous with cylinder by motor control strip material
Operating；
Cylinder mould machine of the step 2. using multiple cylinders, the first l Water Paper page 3 manufactured paper with pulp is containing fixing watermark 9 and safety line
10, to manufacture paper with pulp on another cylinder surface and form the second l Water Paper page 6, the second l Water Paper page is attached to 5 surface of fourdrinier wire and moves with fourdrinier wire, so
The fourdrinier wire 5 that postadhesion has the second l Water Paper page 6 tears off the first l Water Paper page 3, and the first l Water Paper page 3 and the second l Water Paper page 6 are compounded to form
Three l Water Paper pages 7；
First l Water Paper of step 3. page 3 remains in operation to next step with Fourdriner paper machine wire；
Step 4. is squeezed, is dried, press polish, batch, the conventional processing steps such as cut paper；
A kind of antifalsification paper manufactured by step 5., forms safe object (as shown in Figure 5) (this Jing after printing, cutting
Locate as banknote), wherein safe object 12 contains white watermark region 8, the positive back face printing of safe object has word and pattern.
Example IV：
A kind of antifalsification paper, contains white watermark pattern 8 on antifalsification paper surface.
Raw material of the present embodiment antifalsification paper comprising following oven dry weight part：4 parts of cotton fibers, 1 part of vinal and 1
Part anti-fake material；The anti-fake material for adopting is anti-false fiber, security pigment and lamellar anti-fake material.In this example, strip material is
Strip material containing void region 13, the geometry for being shaped as continuous lines, rule that void region is presented in the side surface
Figure and Arabic numerals, wherein, continuous lines, the geometric figure of rule, Arabic numerals are three independent parts, that
Connectionless between this, the edge of strip material is curve, adopts material for the material of alloyed copper and makes strip material.
A kind of manufacture method of antifalsification paper：
Step 1. installs strip material operating synchronizer, and the device includes being filled by the driving that motor and drive system are constituted
The belt wheel of strip material is put and is wound with, strip material is driven by motor, synchronous with cylinder by motor control strip material
Operating；
Cylinder mould machine of the step 2. using multiple cylinders, the first l Water Paper page 3 manufactured paper with pulp is containing fixing watermark 9 and safety line
10, to manufacture paper with pulp on another cylinder surface and form the second l Water Paper page 6, the second l Water Paper page is attached to 5 surface of fourdrinier wire and moves with fourdrinier wire, so
The fourdrinier wire 5 that postadhesion has the second l Water Paper page 6 tears off the first l Water Paper page 3, and the first l Water Paper page 3 and the second l Water Paper page 6 are compounded to form
Three l Water Paper pages 7；
Step 3. l Water Paper page 3 remains in operation to next step with Fourdriner paper machine wire；
Step 4. is squeezed, is dried, press polish, batch, the conventional processing steps such as cut paper.
Embodiment five：
A kind of antifalsification paper, contains white watermark pattern 8 on antifalsification paper surface.
Raw material of the present embodiment antifalsification paper comprising following oven dry weight part：4 parts of cotton fibers, 1 part of nylon fiber and 1 part are prevented
Pseudo- fiber 11；Add as anti-fake material and manufactured paper with pulp in slurry using security pigment, lamellar anti-fake material.
In this example, strip material is the strip material containing void region 13, the shape that void region is presented in the side surface
Shape be irregular geometric figure, rule geometric figure, Arabic numerals, the combination of English alphabet, the edge of strip material
For curve, material is adopted for the material of alloyed copper and make strip material.
A kind of manufacture method of antifalsification paper：
Step 1. installs strip material operating synchronizer, and the device includes being filled by the driving that motor and drive system are constituted
The belt wheel of strip material is put and is wound with, strip material is driven by motor, synchronous with cylinder by motor control strip material
Operating；
Cylinder mould machine of the step 2. using multiple cylinders, the first l Water Paper page 3 manufactured paper with pulp is containing fixing watermark 9 and safety line
10, to manufacture paper with pulp on another cylinder surface and form the second l Water Paper page 6, the second l Water Paper page is attached to 5 surface of fourdrinier wire and moves with fourdrinier wire, so
The fourdrinier wire 5 that postadhesion has the second l Water Paper page 6 tears off the first l Water Paper page 3, and the first l Water Paper page 3 and the second l Water Paper page 6 are compounded to form
Three l Water Paper pages 7；
First l Water Paper of step 3. page 3 remains in operation to next step with Fourdriner paper machine wire；
Step 4. is squeezed, is dried, press polish, batch, the conventional processing steps such as cut paper.
Embodiment six：
A kind of antifalsification paper, contains white watermark pattern 8 on antifalsification paper surface.
Raw material of the present embodiment antifalsification paper comprising following oven dry weight part：4 parts of cotton fibers, 1 part of nylon fiber and 1 part are prevented
Pseudo- fiber 11；Add as anti-fake material and manufactured paper with pulp in slurry using security pigment, lamellar anti-fake material.
In this example, strip material is the strip material containing void region 13.
A kind of manufacture method of antifalsification paper：
Step 1. installs strip material operating synchronizer, and the device includes being filled by the driving that motor and drive system are constituted
The belt wheel of strip material is put and is wound with, strip material is driven by motor, synchronous with cylinder by motor control strip material
Operating；
Cylinder mould machine of the step 2. using multiple cylinders, the first l Water Paper page 3 manufactured paper with pulp is containing fixing watermark 9 and safety line
10, to manufacture paper with pulp on another cylinder surface and form the second l Water Paper page 6, the second l Water Paper page is attached to 5 surface of fourdrinier wire and moves with fourdrinier wire, so
The fourdrinier wire 5 that postadhesion has the second l Water Paper page 6 tears off the first l Water Paper page 3, and the first l Water Paper page 3 and the second l Water Paper page 6 are compounded to form
Three l Water Paper pages 7；
First l Water Paper of step 3. page 3 remains in operation to next step with Fourdriner paper machine wire；
Step 4. is squeezed, is dried, press polish, batch, the conventional processing steps such as cut paper.
Claims (8)
1. a kind of antifalsification paper manufacture method, successively including beating, it is with slurry, manufacture paper with pulp, squeeze, being dried, press polish and batching step, its
In manufacture paper with pulp in step, using the cylinder mould machine with fourdrinier wire (5) and cylinder (1), it is characterised in that：It is described to manufacture paper with pulp in step,
Before fiber dispersion is deposited on cylinder (1) surface, strip material (2) is fitted in into cylinder (1) surface first, then the banding
Material (2) with cylinder (1) run-in synchronism, then strip material (2) region and non-banding of the fiber dispersion on cylinder (1) surface
Material area formation of deposits the first l Water Paper page (3), then the first l Water Paper page (3) taken off paper bowl (4) and torn off and be transferred to fourdrinier wire (5) table
Face, the first l Water Paper page (3) are separated with cylinder (1), strip material (2), and strip material (2) continues run-in synchronism with cylinder (1), most
Strip material (2) is torn off into separation from cylinder (1) surface in the position of setting afterwards, the first l Water Paper page (3) is in strip material (2) phase
The region answered forms white watermark (8), and described strip material (2) is contacted the width of side and is not less than strip material with cylinder (1)
(2) width of opposite side, the side width that strip material (2) is contacted with cylinder (1) are 2-10mm, and described strip material is ring
Shape ribbon.
2. antifalsification paper manufacture method as claimed in claim 1, is characterized in that：Described strip material (2) is perpendicular to circle
Thickness in net (1) surface direction is 0.1-2mm.
3. antifalsification paper manufacture method as claimed in claim 1, is characterized in that：Strip material (2) is with solid construction and engraves
One kind in hollow structure.
4. antifalsification paper manufacture method as claimed in claim 1, is characterized in that：Described strip material (2) is connect with cylinder (1)
Tactile lateral edges are shaped as shaped form, fold-line-shaped or combination.
5. antifalsification paper manufacture method as claimed in claim 1, is characterized in that：Described strip material (2) by PA, PU, PP,
One or more material in PE, PVC, rubber, alloyed copper, rustless steel, politef is made.
6. antifalsification paper manufacture method as claimed in claim 1, is characterized in that：Manufacture paper with pulp in step described, using multiple circles
The cylinder mould machine of net (1), manufactures paper with pulp on another cylinder (1) surface and forms the second l Water Paper page (6), the attachment of the second l Water Paper page (6)
Move with fourdrinier wire (5) on fourdrinier wire (5) surface, the fourdrinier wire (5) for being then attached with the second l Water Paper page (6) tears off the first l Water Paper page (3),
First l Water Paper page (3) and the second l Water Paper page (6) are compounded to form the 3rd l Water Paper page (7).
7. antifalsification paper manufacture method as claimed in claim 1, is characterized in that：The fiber dispersion be by natural fiber,
The combination of synthetic fibers or both is made.
8. a kind of antifalsification paper of the antifalsification paper manufacture method manufacture by described in claim 1, is characterized in that：The safety
Paper surface is formed with white watermark (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210474329.2A CN103835175B (en) | 2012-11-21 | 2012-11-21 | Antifalsification paper and its manufacture method |
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|---|---|---|---|
| CN201210474329.2A CN103835175B (en) | 2012-11-21 | 2012-11-21 | Antifalsification paper and its manufacture method |
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| CN103835175A CN103835175A (en) | 2014-06-04 |
| CN103835175B true CN103835175B (en) | 2017-04-05 |
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| CN110820406A (en) * | 2019-10-30 | 2020-02-21 | 山东凯丽特种纸股份有限公司 | Printing-free double-layer structure art graphic paper, and production method and device thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101146954A (en) * | 2005-03-23 | 2008-03-19 | 德国捷德有限公司 | Multi-ply security paper |
| CN102444052A (en) * | 2010-09-30 | 2012-05-09 | 中国印钞造币总公司 | Locally strengthened paper and manufacturing method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2975723B2 (en) * | 1991-06-13 | 1999-11-10 | 特種製紙株式会社 | How to make patterned paper |
| JP2000060760A (en) * | 1998-08-26 | 2000-02-29 | Yoko Kobayashi | Degreasing paper and method and device for manufacturing degreasing paper |
| CN101748638B (en) * | 2008-12-01 | 2012-05-30 | 中国印钞造币总公司 | Compound watermark anti-counterfeiting paper and manufacturing method thereof |
| CN201390921Y (en) * | 2009-01-08 | 2010-01-27 | 中国印钞造币总公司 | Multifunctional anti-counterfeiting round screen paper machine |
| CN102108652B (en) * | 2009-12-25 | 2012-11-28 | 中国印钞造币总公司 | Method and device for applying sheet anti-counterfeiting material to paper, and anti-counterfeiting paper |
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2012
- 2012-11-21 CN CN201210474329.2A patent/CN103835175B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101146954A (en) * | 2005-03-23 | 2008-03-19 | 德国捷德有限公司 | Multi-ply security paper |
| CN102444052A (en) * | 2010-09-30 | 2012-05-09 | 中国印钞造币总公司 | Locally strengthened paper and manufacturing method thereof |
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Address after: No. 1188 Zhenchuan East Road, Kunshan City, Suzhou City, Jiangsu Province 215300 Patentee after: KUNSHAN BANKNOTE PAPER Co.,Ltd. Patentee after: China Banknote Printing and Minting Group Co.,Ltd. Address before: No. 1188 Zhenchuan East Road, Kunshan City, Suzhou City, Jiangsu Province 215300 Patentee before: KUNSHAN BANKNOTE PAPER Co.,Ltd. Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |