CN102704315A - Fiber anti-counterfeit element anti-counterfeit paper forming and making with pulp method and paper making with pulp production line - Google Patents
Fiber anti-counterfeit element anti-counterfeit paper forming and making with pulp method and paper making with pulp production line Download PDFInfo
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- CN102704315A CN102704315A CN2012102046443A CN201210204644A CN102704315A CN 102704315 A CN102704315 A CN 102704315A CN 2012102046443 A CN2012102046443 A CN 2012102046443A CN 201210204644 A CN201210204644 A CN 201210204644A CN 102704315 A CN102704315 A CN 102704315A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000000465 moulding Methods 0.000 claims description 28
- 239000002002 slurry Substances 0.000 claims description 26
- 239000010410 layer Substances 0.000 claims description 24
- 230000018044 dehydration Effects 0.000 claims description 21
- 238000006297 dehydration reaction Methods 0.000 claims description 21
- 239000002344 surface layer Substances 0.000 claims description 20
- 238000009955 starching Methods 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 13
- 238000013459 approach Methods 0.000 claims description 12
- 238000004513 sizing Methods 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 7
- 238000004537 pulping Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 238000005304 joining Methods 0.000 claims description 3
- 229920002472 Starch Polymers 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000035945 sensitivity Effects 0.000 abstract description 7
- 238000004026 adhesive bonding Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 238000005498 polishing Methods 0.000 abstract 1
- 239000000123 paper Substances 0.000 description 89
- 238000005516 engineering process Methods 0.000 description 10
- 238000009740 moulding (composite fabrication) Methods 0.000 description 10
- 208000005156 Dehydration Diseases 0.000 description 6
- 238000007639 printing Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000011087 paperboard Substances 0.000 description 3
- 239000011111 cardboard Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
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Abstract
The invention discloses a fiber anti-counterfeit element anti-counterfeit paper forming and making with pulp method and a paper making with pulp production line. The method includes the following steps: anti-counterfeit paper forming, dewatering, drying, surface gluing, press polishing, batching, and slitting-sorting-packaging. The method and production line are improved from single cylinder mould forming, and adopt the three cylinder mould forming to solve the technical problems that two cylinder moulds or more than four cylinder moulds can't simultaneously solve the problems that the non-plant fiber is easy to slip off due to artificial reason and the paper is overthick, are inconvenient for observing the anti-counterfeit element with naked eyes, and influence the detection sensitivity of the electronic detecting equipment. The fiber anti-counterfeit element anti-counterfeit paper forming and making with pulp method and the paper making with pulp production line realize multiple anti-counterfeit element combinations, and improve the anti-counterfeit difficulty and the gram weight range of the anti-counterfeit paper, so as to sufficiently satisfy the special anti-counterfeit requirements of different clients.
Description
Technical field
The present invention relates to many security element cheque paper technology, the process of especially manufacturing paper with pulp as the cheque paper of security element and manufacture paper with pulp production line and this cheque paper moulding with string and non-plant fibre.
Background technology
Instantly; Commodity economic times, the brand uniqueness for protection famous-brand and high-quality goods (commodity) prevents and stops the impact of counterfeit cheap product to famous-brand and high-quality goods; Effectively protect manufacturing enterprise and consumers' rights and interests; Papermaking enterprise exploitation anti-counterfeiting technology difficulty is big, the antiforge function diversity, and the cheque paper product that counterfeit cost is high is very necessary.At present, the cheque paper production field is shaped to the master with single cylinder mould (individual layer).
Find that in long-term putting into practice in the production process there are many deficiencies in single cylinder mould moulding.As: when the single net forming of ⑴ was manufactured paper with pulp the safety line cheque paper, safety line was prone to " show-through ", thus influence printing and product percent of pass, " show-through " is meant from the back of the body bottom surface of paper and exposes safety line, particularly low quantitative cheque paper is particularly evident.⑵ single net forming safety line line width that the safety line cheque paper uses of manufacturing paper with pulp is size-constrained, is generally 1.5-2.0mm, and unfavorable safety line is carried more information, safety line beared information visual limited, thus reduce false proof degree; Simultaneously as will be single during net papermaking moulding safety line live width size relax, not only exist " show-through ", also can wiredly combine the possibility of not firm, off-line, quick-fried line with paper.⑶ there is obstacle in the check colors holder exhibition of fibre, color dot security element material of the false proof forming technique of single net; Should use the vegetalitas colored fibre to combine because be used for fine general of the false proof look of single net with the papermaking string; Otherwise be difficult for to combine, exist simultaneously cheque paper look fibre manufacture paper with pulp, anti-false colour fibre comes off or the possibility of printing quality risk in the processes such as back processing, printing.⑷ the false proof moulding paper technology of single net is unfavorable for realizing that cheque paper divides positive and negative to implement anti-fraud functional purpose.⑸ the false proof moulding paper technology of single net is unfavorable for realizing that cheque paper divides surface layer, bottom or laminboard layer to utilize the chromatograph difference to implement anti-fraud functional purpose.⑹ quantitatively (every square of grammes per square metre) can only be at 70-150g/m for the false proof moulding paper technology product of single net
2Between produce the supply of material, therefore make the scope of application of cheque paper obtain restriction.
In order to overcome the phenomenon of above-mentioned anti-fake safety line ' show-through '; Chinese patent number is that 200920066602.1 utility model patent just discloses a kind of multifunctional antiforge cylinder mould machine; This technology is exactly through adopting technical problem that two and above cylinder mould solve back side of paper safety line ' show-through ' improving anti-counterfeiting performance, and this type technology mainly is to the design of this type of safety line security element.If security element is string or non-plant fibre silk, point, sheet, then, therefore has been easy to the artificial origin and has caused string to come off, thereby lost false proof meaning from paper in use because anti-false fiber or sheet are attached to paper surface.
Chinese patent number discloses a kind of compound watermark anti-counterfeiting paper and manufacturing approach thereof for the patent of invention of 200810203807.X; This patented technology is exactly the pulping method that has adopted many cylinder moulds, and its purpose mainly is to improve antifalse effect through increasing the compound stereovision of watermark.This technology mainly is to design to the anti-forge paper of watermark security element, is not particularly suitable for other security element.As when adopting string or non-plant fibre silk, point, sheet,,, then be difficult for differentiating, and weak effect as adopting the naked-eye observation security element when paper blocked up (referring to adopt the anti-forge paper of producing more than four cylinder moulds) as security element; As when cooperating electron detection device to detect, also can influence the sensitivity that detects owing to paper is blocked up.
In sum, all do not provide in the prior art when how to solve string or non-plant fibre silk, point, sheet and be prone to come off as security element; It is poor to be difficult for differentiating antifalse effect during naked-eye observation, when adopting non-plant fibre silk, point, sheet cooperation electron detection device, and the problem that detection sensitivity is low; Do not provide yet and solve any imagination of this type of problem or design.
Summary of the invention
The objective of the invention is in order to overcome safety line easy " show-through " in the existing cheque paper production process, false proof degree is low; Thereby paper grammes per square metre narrow range makes range of application and field limited; Overcoming non-plant fibre silk, point, sheet security element is prone to come off; The deficiency of little, the identification security element weak effect of safety line beared information amount provided a kind of fibre false-proof element anti-fake paper three cylinder mould moulding pulping method and production lines thereof when live width was on the low side.
The technical scheme that the present invention is adopted to achieve these goals is: a kind of fibre false-proof element anti-fake paper moulding pulping method; It comprises the steps; Cheque paper moulding, dehydration, oven dry, top sizing; Press polish, batch, cut whole choosing packing piece, it is characterized in that said cheque paper forming step adopts three cylinder mould starchings, concrete is:
The starching of bottom cylinder mould is evenly flow to slurries on the bottom cylinder mould with drainage mesh by the pulp distributor on the first net groove, dehydration under the effect of taking off the paper rod then, and shift to the sandwich layer cylinder mould;
The starching of sandwich layer cylinder mould, the pulp distributor of slurries on the second net groove that will have string or non-plant fibre silk, point, sheet security element evenly flows on the sandwich layer cylinder mould, dehydration under the effect of taking off the paper rod then, and shift to the surface layer cylinder mould;
The starching of surface layer cylinder mould is evenly flow to slurries on the surface layer cylinder mould with drainage mesh by the slurry device on the 3rd net groove, under the effect of taking off the paper rod, dewaters, takes off paper then; Be sent to vacuum dehydration roller place by the ring-like gauze of taking off, begin to take shape mass dryness fraction and reach the anti-forge paper more than 20%.
Among the present invention more the otherwise effective technique scheme be to have the watermark net on the said surface layer cylinder mould.
The present invention also provides a kind of production line that is exclusively used in above-mentioned cheque paper pulping method, and it comprises wet end, press section, preceding oven dry portion, top sizing portion, back oven dry portion, calecder section, reeling end, cuts packing piece portion of the whole portion of choosing;
It is characterized in that said wet end further comprises joins slurry approach system and vacuum dehydration roller, and the vacuum dehydration roller is positioned to join and starches the approach system rear end; And join the slurry approach system and have three starching cylinder moulds, specifically yes:
Joining that slurry stream send is to comprise the first net groove, the second net groove and the 3rd net groove; Wherein the second net groove is positioned at the first net groove rear end; The 3rd net groove is positioned at the second net groove rear end; First net is furnished with the bottom cylinder mould in the groove, is furnished with the sandwich layer cylinder mould that is used for string or non-plant fibre silk, point, sheet moulding in the second net groove, is furnished with the surface layer cylinder mould in the 3rd net groove.
Fibre false-proof element anti-fake paper moulding described in the present invention production line of manufacturing paper with pulp, its technical scheme that is more preferably are that said each cylinder mould upper end all is furnished with dehydration and takes off the paper rod, and are provided with pulp distributor in each net groove.
The present invention also provides a kind of fibre false-proof element anti-fake paper, and this cheque paper is to adopt said method to process and contain the cheque paper of string or non-plant fibre silk, point, sheet security element.
The present invention improves on the basis of single net forming; Non-plant fibre silk during selected three cylinder mould moulding have solved more than two cylinder moulds and four cylinder moulds simultaneously, point, sheet are prone to because the artificial origin causes the phenomenon and the paper that come off blocked up, the technical problem that is not easy to estimate security element He influences the electron detection device detection sensitivity.Realizing the combination of multiple (watermark, safety line, chromatogram, look fibre, color dot, color chips, chromatograph etc.) security element, promoted the false proof difficulty and the paper grammes per square metre scope of cheque paper, is purpose fully to satisfy the specific false proof requirement of different user.Security element among the present invention is positioned at the paper intermediate layer, so the positive and negative surface smoothness of paper is high and attractive in appearance.Meanwhile, the major advantage that the present invention adopts three net formings also to exist is: one of which, and the core stratum reticulare can be multiple in veil layer bottom, is prone to " show-through ", the quality problems of influence printing when effectively solving single net and manufacturing paper with pulp the safety line cheque paper; Its two cores stratum reticulare can be multiple in veil layer bottom; Employed safety line line width was size-constrained when effectively the single net of solution was manufactured paper with pulp the safety line cheque paper; Generally can be 1.5-12.0mm, help safety line like this and carry more information, guarantee that the visuality of safety line beared information increases; That " show-through ", line combine with paper is not firm, the problem of off-line, quick-fried line has not existed yet, and has ensured the printing quality of cheque paper; They are three years old; The core stratum reticulare adds non-plant fibre silk, point, sheet etc. all can carry the security element of aberration, chromatogram, the equation of light, spectrum, shape difference in that the cooperation of face bottom is next, realizes antiforge function, and cooperates electron detection device; Realize the purpose of computer identification anti-counterfeiting information; Because sandwich layer security element tow sides only cover one deck page, so thin thickness and even, thereby the sensitivity that has improved detection of electrons; They are four years old; Can realize that the plant look fine, the color dot security element is divided face, core, bottom; According to the fixed layer configuration of customer requirements; Realize that the plant look fine, the color dot security element at cheque paper just or the false proof purpose of reverse side, saved also when producing high quantitatively cheque paper or cardboard simultaneously that look fine, color dot anti-fake material consumption (only false proof at visible surface); They are five years old; Can realize that chromatograph difference security element divides face, core, bottom; According to the fixed layer configuration of customer requirements; Realize the chromatograph security element in false proof paper, core, the false proof purpose of bottom, when producing high quantitatively cheque paper or cardboard, also saved the false proof colorant consumption of chromatograph simultaneously, alleviate colorant water in the time of the cost-saving and pollute; Its six, can realize that the paper grammes per square metre is at 50-300g/m
2Between produce the supply of material, the disposable production of product becomes anti-fake paper board by cheque paper, need not compoundly, user plane is wider, helps environmental protection and cost control.
Description of drawings
Fig. 1 is a production line block diagram of the present invention
Fig. 2 is the structural representation of wet end in the production line
Among the figure: 1-wet end, 2-are joined the slurry approach system, 201-bottom cylinder mould, 201-sandwich layer cylinder mould, 203-surface layer cylinder mould; The 204-first net groove, the 205-second net groove, 206-the 3rd net groove, 3-vacuum dehydration roller, 4-press section; Oven dry portion before the 5-, 6-top sizing portion, oven dry portion behind the 7-, 8-calecder section, 9-reeling end; 10-cuts whole choosing and packs piece portion, the ring-like gauze of taking off of 11-, and the 12-wite roll, 13-takes off paper bowl.
The specific embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is further specified:
Like Fig. 1, shown in 2: Fig. 1 is the production line block diagram that the three cylinder mould moulding of fibre false-proof element anti-fake paper are manufactured paper with pulp, and Fig. 2 is the structural representation of wet end in the production line.This production line mainly by wet end 1, press section 4, preceding oven dry portion 5, top sizing portion 6, back oven dry portion 7, calecder section 8, reeling end 9, cut several major parts such as packing piece portion of the whole portion of choosing 10 and form.Improvements of the present invention just are wet end 1 is improved, and mainly are in wet end 1, to adopt three cylinder mould moulding.Concrete is, and this wet end 1 comprises joins slurry approach system 2 and vacuum dehydration roller 3, and vacuum dehydration roller 3 is positioned at and joins slurry approach system 2 rear ends; And join slurry approach system 2 and have three starching cylinder moulds, concrete is:
The first net groove 204, second is set in joining slurry approach system 2 nets groove 205 and the 3rd net groove 206; Wherein the second net groove 205 is positioned at the first net groove, 204 rear ends; The 3rd net groove 206 is positioned at the second net groove, 205 rear ends; Configuration bottom cylinder mould 201 in the first net groove 204; Sandwich layer cylinder mould 202 that is used for moulding string or non-plant fibre silk or string point or string sheet of configuration in the second net groove 205, surface layer cylinder mould 203 of configuration in the 3rd net groove 206 all is provided with a stock inlet in each net groove bottom.
The present invention according to the step of manufacturing paper with pulp that above-mentioned production line carries out cheque paper is: at first carry out the cheque paper moulding, dewater successively then, oven dry, top sizing, press polish, batch, cut whole choosing packing piece and form finished product at last.Improvement of the present invention mainly is to adopt three cylinder mould starchings in the cheque paper forming part; Be earlier in 201 starchings of bottom cylinder mould during concrete operations; Slurries are evenly flow on the bottom cylinder mould 201 with drainage mesh by the pulp distributor on the first net groove 204, and completion is dewatered, is taken off paper and shifts to sandwich layer cylinder mould 202 under the effect of taking off the paper rod then; Carry out the starching of sandwich layer cylinder mould then; The pulp distributor of slurries on the second net groove 205 that will have string or non-plant fibre silk, point, sheet security element evenly flows on the sandwich layer cylinder mould 202, under the effect of taking off the paper rod, dewaters, takes off paper and transfer then to surface layer cylinder mould 203; When 203 starchings of surface layer cylinder mould, slurries are evenly flow on the surface layer cylinder mould with drainage mesh by the slurry device on the 3rd net groove 206, under the effect of taking off the paper rod, dewater, take off paper then; Be sent to vacuum dehydration roller place by the ring-like gauze of taking off, begin to take shape mass dryness fraction and reach the anti-forge paper more than 20%, carry out subsequent steps such as press dewatering, oven dry afterwards successively and form finished product.
Detailed process is: system (being equipped with) slurry system layer comes slurries to get into net groove pulp distributor by stock inlet; Slurry liquid is on pulp distributor all flows to have the drainage mesh three standard round net forming cylinder moulds of (wherein surface layer possibly have the watermark net); Along with the continuous circumgyration of rotary screen cage, swim in the paper pulp or the security element of netting in the groove inner flow passage and filter at the moulding mesh, dewater or dehydration moulding under the booster action of taking off paper bowl 13 is dewatered in extruding in advance through natural gravity; After three standard round net forming cylinder moulds need independent moulding according to antiforge function, again through ring-like gauze 11 and the wite roll 12 taken off, by the bottom rotary screen cage to the sandwich layer rotary screen cage again to the surface layer rotary screen cage; Successively accomplish ply of paper and take off and attach and superimposed moulding, after after 3 dehydrations of vacuum dehydration roller, the l Water Paper page or leaf of first one-step forming with take off gauze and separate; Take off gauze and continue circulation; And l Water Paper page or leaf mass dryness fraction reaches more than 20%, first tool intensity, and the l Water Paper page or leaf was drawn to mechanical expression roller dewater unit and further dewatered this moment; The l Water Paper page or leaf is pulled and delivers to preceding oven dry portion, top sizing portion, back oven dry portion, calecder section, reeling end, cuts whole packing piece portion, the completion manufacture course of products of selecting afterwards.Wherein the antiforge function of each cylinder mould is: the surface layer cylinder mould: watermark, safety line, look fine, color dot is false proof.The sandwich layer cylinder mould: auxiliary surface layer safety line is false proof, look fine, color dot, chromatograph are false proof.The bottom cylinder mould: look fibre, color dot, chromatograph are false proof.And during practical operation three cylinder moulds can single net, two net, three net sync operation.
According to said method, the present invention can make safe live width at 1.5-12.0mm, and product quantitative (every square of grammes per square metre) is at 50-300g/m
2, so the kind of the suitable application of paper is more broad.The present invention is the cheque paper of security element characteristics such as seal, safety line, coloured or colourless (iridescent) look fibre, color dot, chromatogram, chromatograph that catchments.The present invention can overcome simultaneously that the non-plant fibre security element is prone to because the artificial origin comes off and the low deficiency of sensitivity when adopting electronic equipment detection security element.When adopting electronic equipment that anti-forge paper of the present invention is detected; Because the paper tow sides are of uniform thickness and are the thinnest; It is the highest that electronic equipment detects security element sensitivity when therefore adopting this three cylinder moulds moulding, and it is the most accurate to detect, and the anti-forge paper of producing like this can adapt to the society of electronic information nowadays more; Grow with each passing hour, increased Application Areas.
Claims (5)
1. fibre false-proof element anti-fake paper moulding pulping method, it comprises the steps, cheque paper moulding, dehydration, oven dry, top sizing, batch, cut whole choosing packing piece at press polish, it is characterized in that said cheque paper forming step adopts three cylinder mould starchings:
The starching of bottom cylinder mould is evenly flow to slurries on the bottom cylinder mould with drainage mesh by the pulp distributor on the first net groove, dehydration under the effect of taking off the paper rod then, and shift to the sandwich layer cylinder mould;
The starching of sandwich layer cylinder mould, the pulp distributor of slurries on the second net groove that will have string or non-plant fibre silk, point, sheet security element evenly flows on the sandwich layer cylinder mould, dehydration under the effect of taking off the paper rod then, and shift to the surface layer cylinder mould;
The starching of surface layer cylinder mould is evenly flow to slurries on the surface layer cylinder mould with drainage mesh by the slurry device on the 3rd net groove, under the effect of taking off the paper rod, dewaters, takes off paper then; Be sent to vacuum dehydration roller place by the ring-like gauze of taking off, begin to take shape mass dryness fraction and reach the anti-forge paper more than 20%.
2. fibre false-proof element anti-fake paper moulding pulping method according to claim 1 is characterized in that having the watermark net on the said surface layer cylinder mould.
3. the fibre false-proof element anti-fake paper moulding production line of manufacturing paper with pulp, it comprises wet end, press section, preceding oven dry portion, top sizing portion, back oven dry portion, calecder section, reeling end, cut whole choosing packing piece portion;
It is characterized in that: said wet end further comprises joins slurry approach system and vacuum dehydration roller, and the vacuum dehydration roller is positioned to join and starches the approach system rear end; Join the slurry approach system and have three starching cylinder moulds;
Joining that slurry stream send is to be made up of the first net groove, the second net groove and the 3rd net groove; Wherein the second net groove is positioned at the first net groove rear end; The 3rd net groove is positioned at the second net groove rear end; First net is furnished with the bottom cylinder mould in the groove, is furnished with the sandwich layer cylinder mould that is used for string or non-plant fibre silk, point, sheet moulding in the second net groove, is furnished with the surface layer cylinder mould in the 3rd net groove.
4. a kind of fibre false-proof element anti-fake paper according to claim 3 moulding production line of manufacturing paper with pulp is characterized in that said each cylinder mould upper end all is furnished with dehydration and takes off the paper rod, and is provided with pulp distributor in each net groove.
5. fibre false-proof element anti-fake paper is characterized in that adopting method described in the claim 1 to process and contain the cheque paper of string or non-plant fibre silk, point, sheet security element.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210204644.3A CN102704315B (en) | 2012-06-20 | 2012-06-20 | Fiber anti-counterfeit element anti-counterfeit paper forming and making with pulp method and paper making with pulp production line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210204644.3A CN102704315B (en) | 2012-06-20 | 2012-06-20 | Fiber anti-counterfeit element anti-counterfeit paper forming and making with pulp method and paper making with pulp production line |
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| Publication Number | Publication Date |
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| CN102704315A true CN102704315A (en) | 2012-10-03 |
| CN102704315B CN102704315B (en) | 2015-03-11 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103074807A (en) * | 2013-01-28 | 2013-05-01 | 浙江华邦特种纸业有限公司 | Making method of ultrathin low-weight sound-absorbing decoration paper |
| CN108570874A (en) * | 2017-12-29 | 2018-09-25 | 仙鹤股份有限公司 | A kind of ultrathin type body paper paper making equipment |
| CN110241655A (en) * | 2019-06-21 | 2019-09-17 | 辽宁兴启电工材料有限责任公司 | Insulating board production line |
| CN112895756A (en) * | 2021-02-05 | 2021-06-04 | 互联智慧信息科技(北京)有限公司 | Paper containing addable elements and preparation method thereof |
| CN113957748A (en) * | 2021-10-28 | 2022-01-21 | 山东天和纸业有限公司 | Fiber and fluorescence anti-counterfeiting paper and preparation method thereof |
| CN117107554A (en) * | 2023-10-18 | 2023-11-24 | 山东博汇纸业股份有限公司 | Colored anti-counterfeiting gypsum plaster board protective paper and production method thereof |
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| CN202705791U (en) * | 2012-06-20 | 2013-01-30 | 四川省津诚纸业有限公司 | Fiber anti-fake element anti-fake paper three-mesh cage molding papermaking production line |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103074807A (en) * | 2013-01-28 | 2013-05-01 | 浙江华邦特种纸业有限公司 | Making method of ultrathin low-weight sound-absorbing decoration paper |
| CN103074807B (en) * | 2013-01-28 | 2015-11-18 | 浙江华邦特种纸业有限公司 | The manufacture method of ultra-thin light basis weight sound-absorbing facing paper |
| CN108570874A (en) * | 2017-12-29 | 2018-09-25 | 仙鹤股份有限公司 | A kind of ultrathin type body paper paper making equipment |
| CN108570874B (en) * | 2017-12-29 | 2019-07-05 | 仙鹤股份有限公司 | A kind of ultrathin type body paper paper making equipment |
| CN110241655A (en) * | 2019-06-21 | 2019-09-17 | 辽宁兴启电工材料有限责任公司 | Insulating board production line |
| CN110241655B (en) * | 2019-06-21 | 2024-03-19 | 辽宁西电兴启电工材料有限公司 | Insulating paperboard production line |
| CN112895756A (en) * | 2021-02-05 | 2021-06-04 | 互联智慧信息科技(北京)有限公司 | Paper containing addable elements and preparation method thereof |
| CN113957748A (en) * | 2021-10-28 | 2022-01-21 | 山东天和纸业有限公司 | Fiber and fluorescence anti-counterfeiting paper and preparation method thereof |
| CN117107554A (en) * | 2023-10-18 | 2023-11-24 | 山东博汇纸业股份有限公司 | Colored anti-counterfeiting gypsum plaster board protective paper and production method thereof |
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