JP2002103780A - Antifalsifying sheet - Google Patents
Antifalsifying sheetInfo
- Publication number
- JP2002103780A JP2002103780A JP2000304726A JP2000304726A JP2002103780A JP 2002103780 A JP2002103780 A JP 2002103780A JP 2000304726 A JP2000304726 A JP 2000304726A JP 2000304726 A JP2000304726 A JP 2000304726A JP 2002103780 A JP2002103780 A JP 2002103780A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- ink layer
- layer
- ink
- colored ink
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000758 substrate Substances 0.000 claims description 3
- 239000003086 colorant Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Credit Cards Or The Like (AREA)
- Ink Jet (AREA)
- Printing Methods (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、偽造防止用シート
に関し、特に、インクジェット方式で情報を印字する商
品券、株券、預り証、各種チケットなどに利用すると好
適な、視覚的に容易に印字情報の改ざんを識別できる偽
造防止用シートに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an anti-counterfeit sheet, and more particularly, to a visually easy-to-print information suitable for use in a gift certificate, a stock certificate, a deposit certificate, various tickets, etc., for printing information by an ink jet method. The present invention relates to a forgery prevention sheet capable of identifying falsification of a forgery.
【0002】[0002]
【従来の技術】従来からインクジェット方式でのシート
に対する情報の印字は知られているが、シート面の印字
適性を確保するために、インクジェットインキ受理層を
設ける試みがなされている。ところが、このインクジェ
ットインキ受理層は、印字適性においては良好なもの
の、故意になされる印字情報の剥落に対する防止におい
ては充分ではなく、また、偽造防止においても充分なも
のではなかった。2. Description of the Related Art Conventionally, printing of information on a sheet by an ink jet method is known, but an attempt has been made to provide an ink jet ink receiving layer in order to ensure printability of a sheet surface. However, although the ink-jet ink receiving layer has good printability, it is not enough to prevent intentional peeling of print information and also not enough to prevent forgery.
【0003】[0003]
【発明が解決しようとする課題】このため従来にあって
は、シートに所定情報をインクジェット方式で印字して
作成した商品券、株券、預り証、各種チケットなどにお
ける金額部分をはじめとする印字部分を削り取り、この
削り取った部分に新たに数字や文字を書いて、商品券、
株券、預り証、各種チケットなどを改ざんし、偽造され
る虞がある。しかし、この改ざん部分を視覚的に識別す
るには、注意深い観察が必要なため、迅速な処理が要求
される使用現場では、偽造されたもの発見することは極
めて困難であるという不都合がある。本発明は、このよ
うな不都合を解消した偽造防止用シートを提供すること
を目的とする。For this reason, conventionally, a printing portion including a money portion in a gift certificate, a stock certificate, a deposit certificate, various tickets, etc., prepared by printing predetermined information on a sheet by an ink jet method. , And write new numbers and letters on this cut off part,
There is a risk that the stock certificates, deposit certificates, various tickets, etc. may be falsified and forged. However, careful observation is required to visually identify the falsified portion, and there is a disadvantage that it is extremely difficult to find a falsified product at a use site where quick processing is required. An object of the present invention is to provide a forgery prevention sheet that has solved such inconveniences.
【0004】[0004]
【課題を解決するための手段】この目的を達成するため
に、本発明の請求項1に記載した偽造防止用シートは、
シート基材の印字面側に有色インキ層を形成し、この有
色インキ層の上に、有色インキ層の色とは異なる色のイ
ンクジェットインキ受理層を形成してなるものである。In order to achieve this object, a sheet for preventing forgery according to claim 1 of the present invention comprises:
A colored ink layer is formed on the printing surface side of the sheet substrate, and an ink jet ink receiving layer having a color different from the color of the colored ink layer is formed on the colored ink layer.
【0005】[0005]
【発明の実施の形態】以下、添付図面に基づいて本発明
を預り証に適用した場合の好適な実施形態を説明する。
ここにおいて、図1は偽造防止用シートの断面図、図2
は所定情報を印字して作成した預り証を示す斜視図、図
3は預り証の印字部分を削り取った状態を示す斜視図で
ある。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment in which the present invention is applied to a deposit certificate will be described below with reference to the accompanying drawings.
Here, FIG. 1 is a sectional view of a forgery prevention sheet, and FIG.
FIG. 3 is a perspective view showing a deposit certificate created by printing predetermined information, and FIG. 3 is a perspective view showing a state where a printed portion of the deposit certificate is cut off.
【0006】図1に示すように、偽造防止用シート1
は、シート基材2の印字面側に、一般的な青色インキを
ベタ印刷して有色インキ層3を形成し、この有色インキ
層3の上には、有色インキ層3の青色とは異なる色であ
る白色のインクジェットインキ受理層4を形成してい
る。[0006] As shown in FIG.
Forms a colored ink layer 3 by solid printing a general blue ink on the printing surface side of the sheet substrate 2, and a color different from the blue color of the colored ink layer 3 is formed on the colored ink layer 3. Is formed.
【0007】インクジェットインキ受理層4は、ビニル
アルコール100重量部、スルホン酸系スチレン共重合
体アンモニュウム塩40重量部、合成シリカ0.6重量
部、水1250重量部からなるインクジェットインキ受
理層4用の塗工液を、バーコーターで乾燥厚さ8μmと
なるように塗工して、形成したものである。The ink-jet ink receiving layer 4 comprises 100 parts by weight of vinyl alcohol, 40 parts by weight of a sulfonic acid-based styrene copolymer ammonium salt, 0.6 parts by weight of synthetic silica, and 1250 parts by weight of water. It is formed by applying a coating liquid with a bar coater so as to have a dry thickness of 8 μm.
【0008】上述した偽造防止用シート1に、公知のイ
ンクジェットプリンタを用いて、「預り証」という標題
12,預り年月日13,宛先14、金額15,発行会社
名16を印字すると、図2に示す預り証11が作成され
る。When the title 12, “Deposit certificate”, deposit date 13, destination 14, amount 15, and issuing company name 16 are printed on the forgery prevention sheet 1 using a known inkjet printer, FIG. Is created.
【0009】ここで、預り証11の印字部分の一部であ
る金額15の万の位の数字「5」を改ざんしようとし
て、これを削り取ると、インクジェットインキ受理層4
も一緒に削り取られて、図3に示すように、下の有色イ
ンキ層3が露出し、削り取った部分17のみが青色とな
る。したがって、この削り取った部分17に他の数字を
書き入れても、改ざんしたことは一目で識別可能であ
る。Here, if the user tries to falsify the number "5" of the tenth place of the amount 15 which is a part of the printed portion of the deposit certificate 11 and cuts it off, the inkjet ink receiving layer 4
As shown in FIG. 3, the lower colored ink layer 3 is exposed, and only the shaved portion 17 becomes blue. Therefore, even if another number is written in the cut-out portion 17, the alteration can be identified at a glance.
【0010】なお、本発明は上述した実施形態に限定さ
れるものではなく、例えば、有色インキ層3とインクジ
ェットインキ受理層4は、互いに異なった色であればよ
く、青色と白色の組み合わせに限らない。また、有色イ
ンキ層3は、ベタ印刷で形成するほか、地紋印刷で形成
してもよい。さらに、預り証11として印字する内容
も、種々変更可能である。またさらに、偽造防止用シー
ト1は、預り証11のほか、インクジェット方式で印字
するもので、偽造防止が必要なものである限り、その用
途を問わないものである。The present invention is not limited to the above-described embodiment. For example, the colored ink layer 3 and the ink-jet ink receiving layer 4 only need to have different colors, and are not limited to a combination of blue and white. Absent. Further, the colored ink layer 3 may be formed by solid printing, or may be formed by tint block printing. Further, the content to be printed as the deposit certificate 11 can be variously changed. Further, the forgery prevention sheet 1 is printed by an ink jet method in addition to the deposit certificate 11, and its use is not limited as long as the forgery prevention is required.
【0011】[0011]
【発明の効果】以上説明したように、本願発明の請求項
1に記載した偽造防止用シートによれば、インクジェッ
ト方式の印字面となるインクジェットインキ受理層の下
に、これとは色の異なる有色インキ層を設けることによ
り、印字部分を削り取って改ざんしようとしても、削り
取った部分には有色インキ層が露出して、この部分だけ
色が異なるので、一目で改ざんの有無を視覚的に確認で
き、ひいては偽造防止に貢献できるという効果を奏す
る。As described above, according to the anti-counterfeit sheet according to the first aspect of the present invention, a colored sheet having a different color from the ink-jet ink-receiving layer serving as the printing surface of the ink-jet method. By providing the ink layer, even if you try to falsify the printed part by scraping it, the colored ink layer is exposed at the shaved part and the color is different only at this part, so you can visually check whether there is tampering at a glance, As a result, it is possible to contribute to the prevention of forgery.
【図1】偽造防止用シートの断面図。FIG. 1 is a cross-sectional view of a forgery prevention sheet.
【図2】所定情報を印字して作成した預り証を示す斜視
図。FIG. 2 is a perspective view showing a deposit certificate created by printing predetermined information.
【図3】預り証の印字部分を削り取った状態を示す斜視
図。FIG. 3 is a perspective view showing a state where a printed portion of a deposit certificate is cut off.
1 偽造防止用シート 2 シート基材 3 有色インキ層 4 インクジェットインキ受理層 11 預り証 12 標題 13 預り年月日 14 宛先 15 金額 16 発行会社名 17 削り取った部分 DESCRIPTION OF SYMBOLS 1 Forgery prevention sheet 2 Sheet base material 3 Colored ink layer 4 Inkjet ink receiving layer 11 Deposit certificate 12 Title 13 Date of deposit 14 Address 15 Amount 16 Issuer company name 17 Shaved part
───────────────────────────────────────────────────── フロントページの続き Fターム(参考) 2C005 HA02 HB10 HB13 JA09 KA10 LA05 2C056 FC06 2H086 BA15 2H113 CA39 CA45 CA46 DA15 DA27 DA52 FA10 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2C005 HA02 HB10 HB13 JA09 KA10 LA05 2C056 FC06 2H086 BA15 2H113 CA39 CA45 CA46 DA15 DA27 DA52 FA10
Claims (1)
形成し、この有色インキ層の上に、有色インキ層の色と
は異なる色のインクジェットインキ受理層を形成してな
ることを特徴とする偽造防止用シート。1. A color ink layer is formed on a printing surface side of a sheet substrate, and an ink jet ink receiving layer having a color different from the color of the color ink layer is formed on the color ink layer. Anti-counterfeit sheet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000304726A JP2002103780A (en) | 2000-10-04 | 2000-10-04 | Antifalsifying sheet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000304726A JP2002103780A (en) | 2000-10-04 | 2000-10-04 | Antifalsifying sheet |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2002103780A true JP2002103780A (en) | 2002-04-09 |
Family
ID=18785724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000304726A Pending JP2002103780A (en) | 2000-10-04 | 2000-10-04 | Antifalsifying sheet |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2002103780A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009149788A (en) * | 2007-12-21 | 2009-07-09 | National Printing Bureau | Color-changeable ink and printed matter using the same |
CN104039555A (en) * | 2011-11-22 | 2014-09-10 | 图像电子公司 | Printing system for application of a patterned clear layer for reducing gloss banding |
-
2000
- 2000-10-04 JP JP2000304726A patent/JP2002103780A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009149788A (en) * | 2007-12-21 | 2009-07-09 | National Printing Bureau | Color-changeable ink and printed matter using the same |
CN104039555A (en) * | 2011-11-22 | 2014-09-10 | 图像电子公司 | Printing system for application of a patterned clear layer for reducing gloss banding |
CN104039555B (en) * | 2011-11-22 | 2017-03-01 | 图像电子公司 | For reducing the print system of the patterned clear layer application of gloss band |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20050809 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20050920 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20051121 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20060425 |