JPH09207480A - Certificate stamps - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide certificate stamps such as certificate seals, inspection or verification stickers, valued coupons and certified receipts which need not provide separately magnetic records, be codes pr embossed makes as a means for preventing intrinsic information from being falsified but have only to be printed by thermal ink transfer regarding intrinsic information such as symbols, numbers or an address, the name of a person, a data and an amount, with a function to easily track down the intrinsic information before falsification. SOLUTION: An irreversible heat sensitive ink layer 30 and an opaque print concealed layer 20 are sequentially laminated on the surface of an opaque certificate stamp base material 40 of paper or plastics, or a capsuled ink layer 30 consisting of a microcapsule color former and a color developer and an opaque print concealed layer 20 are laminated on the surface of the base material 40. In addition, intrinsic information such as symbols, numbers or an address, the name of a person, a data and an amount is printed by thermal ink transfer on the surface of the opaque print concealed layer 20 to obtain the certificate stamps.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to symbols, numbers and addresses,
Certificates such as seals, guarantee seals and inspections, certified stickers and vouchers, receipts, etc. that have been heat-transfer printed with unique information such as name, date, amount of money, etc. The present invention relates to certificate stamps that allow easy tracking and investigation of unique information before tampering.

[0002]

2. Description of the Related Art Conventionally, a sign, a number, an address or a name is printed on the surface of a paper or plastic certificate stamp substrate (40) on which complicated patterns, characters or pictures are printed to prevent counterfeiting. A large number of seals, guarantee seals and inspections, certified stickers, vouchers, receipts, and other certificate papers that have been printed with ribbon-type thermal transfer of unique information such as date, date, and amount are widely used.

[0003] Most of the conventional signature papers such as symbols, numbers, addresses, names, dates, and amounts of money, which are printed by ribbon-type thermal transfer printing, are used as a means for preventing falsification of the unique information printed by thermal transfer printing. The magnetic recording, the bar code, the emboss mark, and the like are separately provided by an appropriate method so as to be prepared in the case where the user illegally tampered with the unique information.

[0004]

However, in the conventional seals, guarantee seals and inspections, certified stickers and cash vouchers, receipts, and other such conventional seals, as a general rule, a symbol, a number, or an address for each large number of users. In order to prevent the tampering of the unique information printed by thermal transfer printing, unique information such as name, date, amount of money, etc. can be magnetically recorded, barcodes, emboss marks, etc. There was a problem in the time and effort to set up separately by the method.

Therefore, an object of the present invention is to use magnetic recording, bar codes, emboss marks, etc. as means for preventing falsification of unique information in seals, guarantee seals and inspections, certification stickers, vouchers, receipts, and other certificate papers. Even if you tamper with the unique information printed by thermal transfer printing, you can easily tamper with the unique information such as symbols, numbers and addresses, names, dates, and amounts of money without the need for a separate set. The purpose of the present invention is to provide certificate stamps that can be easily traced and investigated so that users who know the circumstances do not attempt to illegally tamper with the unique information.

[0006]

The certificate of the present invention is shown in FIG.
As shown in, on the surface of an opaque paper base material (40) such as paper or plastic, an irreversible thermal ink layer (30) and an opaque print hiding layer (20) are laminated in this order, and It is a stamp paper in which specific information (10) such as a symbol, a number, an address, a name, a date, and an amount of money is heat-transfer printed on the surface of an opaque print concealing layer (20).

In addition, as shown in FIGS. 1 and 2, the stamp paper of the present invention is replaced with the irreversible heat-sensitive ink layer (30), and an opaque stamp paper substrate (made of paper or plastic) ( 40)
On the surface of the, a capsule ink layer (30) consisting of a microcapsule color developer (32) and a color developer (31) and an opaque print hiding layer (2
These are certificate papers in which (0) and (1) are sequentially laminated.

[0008]

In the paper stamps of the present invention, an irreversible heat-sensitive ink layer (30) and an opaque print hiding layer (20) are provided on the surface of an opaque paper substrate (40) such as paper or plastic. Layered in order, the symbol, on the surface of this opaque print hiding layer (20),
Due to the heat transfer printing of unique information such as number, address, name, date, amount of money, etc., due to the heat of this heat transfer printing, opaque printing on the irreversible heat sensitive ink layer (30), as shown in FIG. An afterimage (11) of unique information that is hidden by the user and cannot be seen by the hiding layer (20) and the opaque paper base material (40) is generated, and the afterimage (11) of this unique information is erased and tampered with. Even if the unique information printed by thermal transfer is difficult to tamper with because it cannot be done, the opaque print hiding layer (20) is removed with an organic solvent, etc., and the unique information before tampering (afterimage of the unique information (11)) is removed. Easy to follow up.

In the stamps of the present invention, the surface of an opaque stamp substrate (40) such as paper or plastic is
A capsule ink layer (30) consisting of a microcapsule color developer and a color developer and an opaque print hiding layer (20) are laminated in this order, and in the same manner as above, on the surface of this opaque print hiding layer (20). , The symbol, the number and the address, the name, the date, the amount of money, and other unique information are printed by heat transfer. As a result of the heat and pressure of this heat transfer printing, as shown in Figs. Capsule ink layer consisting of developer (30)
(The developer layer (31 in FIG. 2) is hidden by the opaque print concealing layer (20) and the opaque paper base material (40), and the afterimage (11) of the unique information is not visible to the user. In addition, since the afterimage (11) of this unique information cannot be erased or tampered with, even if the unique information printed by thermal transfer is tampered with, the opaque print hiding layer (20) is removed with an organic solvent or the like. Thus, the peculiar information before tampering (the afterimage (11) of the peculiar information) can be easily traced and investigated.

That is, in the stamps and the like of the present invention, a user or the like who knows these circumstances does not try to tamper with the unique information printed by thermal transfer printing, and the seal, guarantee seal, inspection, and certification are required. For certificates, such as stickers, cash vouchers, receipts, etc., as a means to prevent falsification of unique information, it is possible to use symbols, numbers or addresses without the need to separately provide the above-mentioned conventional magnetic recording, bar code, emboss mark, etc. Even if the unique information printed by thermal transfer printing is easily tampered with by simply thermal printing the unique information such as name, date, amount of money, etc., it is a certificate sheet that can easily trace and investigate the unique information before tampering. The user or the like who has learned can provide the certificate that does not attempt to tamper with the unique information.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION The irreversible heat-sensitive ink layer (30) in the stamps of the present invention is once colored (or discolored).
Then, using an irreversible irreversible coloring (or discoloring) temperature of about 100 to 200 ° C., a general metal complex-based or leuco dye-based or phenol compound-based thermal ink,
An irreversible thermal ink layer (30) having a layer thickness of 4 to 10 μm can be laminated on the surface of an opaque paper stamp substrate (40) such as paper or plastic by a usual printing method.

The capsule ink layer (30) consisting of the microcapsule color-developing agent and the color-developing agent in the stamps of the present invention is basically the same as the carbonless copying paper which does not return once it has developed color. , Triarylmethane-based or fluoran-based coloring agents dissolved in oils such as alkylnaphthalene, diarylarsene, alkylated biphenyls and hydrogenated terphenyls, gelatin, arabia gum and polyurea, polyurethane and melamine-formalin resin. An appropriate microencapsulated color developer having a capsule breaking temperature of about 120 to 200 ° C. and an appropriate developer such as activated clay, phenol resin, salicylic acid derivative zinc salt, etc. Using a capsule ink that is a mixture of and, by a normal printing method, On the surface of an opaque paper base material (40) such as paper or plastic, a capsule ink layer (30) composed of a microcapsule color developer and a developer having a layer thickness of 6 to 12 μm (or in FIG. As shown in Example 2), the microcapsule color former layer (32) and the color developer layer (31) can be laminated separately.

[0013]

【Example】

<Embodiment 1> FIG. 1 is a partial cross-sectional view of a certificate stamp (a sticker that has passed the type inspection of audio equipment) according to Embodiment 1 of the present invention.

That is, once a discoloration (green) occurs on a section of the surface of an opaque paper stamp substrate (40) made of high-quality paper on which a complicated pattern for preventing forgery and the name of the inspection association are printed. Irreversible, metal complex salt thermal ink with a discoloration temperature of 110 ° C (Daithermo PI, PI-110, Dainichiseika Kogyo Co., Ltd.) and ordinary talc pigment-based concealing ink (FDS, Toyo (Manufactured by Ink Mfg. Co., Ltd.) and a conventional silk screen printing method, and a light yellow transparent heat-sensitive ink layer (30) having a layer thickness of about 6 μm and a white opaque print hiding layer having a layer thickness of about 15 μm ( 20) and are laminated in this order, and on the surface of this white opaque print concealing layer (20), the unique information (10) of the pass code, number, manufacturer's name and date is printed on a normal transfer ribbon type thermal transfer print. Then, the certificate papers of Example 1 (stickers which passed the type inspection of the audio equipment) were produced.

The type inspection passing sticker of the audio device of the first embodiment is attached to a predetermined number of audio devices, and the corresponding audio device is shipped and sold.

Next, in the stamp paper of Example 1 (sticker for passing the type inspection of the audio equipment), the unique information (10) such as the pass symbol and the number printed by thermal transfer is carefully falsified (cut off) with a cutter knife. White Opaque Print Hiding Layer (20)
Was carefully removed with an organic solvent contained in absorbent cotton, and unique information such as a pass code and number before alteration (shaving)
(10) (The afterimage (11) of the unique information that was generated in the light yellow transparent heat-sensitive ink layer (30) and changed to green) could be easily read.

<Embodiment 2> FIG. 2 is a partial sectional view of a certificate stamp (a sticker that has passed the type inspection of an audio device) according to Embodiment 2 of the present invention.

In other words, once a complicated pattern for preventing forgery and the name of the inspection association are printed on one section of the surface of the opaque certificate base material (40) made of the same high quality paper as in Example 1, once. It does not return to its original color when it develops a color (blue) .The same color developing agent oil as triarylmethane type color developing agent dissolved in alkylnaphthalene is trapped in the interfacial polymerization capsule of polyurea. 175
℃ microcapsule coloring agent (O, D, B, Yamamoto Gosei Co., Ltd.)
And a phenol resin-based developer (bisphenol A, manufactured by Mitsui Toatsu Chemicals, Inc.), and the same talc pigment-based concealing ink (FDS, manufactured by Toyo Ink Mfg. Co., Ltd.) as in Example 1. Using a conventional silk screen printing method, a milky white opaque microcapsule coloring agent layer (3
2), a white transparent developer layer (31) having a layer thickness of about 4 μm, and a white opaque print masking layer (20) having a layer thickness of about 15 μm are laminated in this order, and this white opaque print masking layer ( On the surface of 20), as in the case of Example 1, the specific information (10) of the pass code, the number, the manufacturer's name, and the date is subjected to normal thermal transfer printing of the transfer ribbon type, and the certificate of Example 2 is obtained. (A sticker that passed the type inspection of audio equipment) was produced.

Next, in the certificate stamps of Example 2 (stickers for passing the type inspection of the audio equipment), as in the case of Example 1, the unique information (10) such as the pass symbol and the number printed by thermal transfer printing,
After carefully tampering (sharpening) with a cutter knife, the white opaque print concealing layer (20) was carefully removed with an organic solvent contained in absorbent cotton, and the unique pass code, number, etc. before tampering (sharpening) The information (10) (the afterimage (11) of the unique information generated on the white and transparent developer layer (31), which was colored blue) could be easily read.

In the sticker that passed the type inspection of the audio equipment of Example 2, since the white and transparent developer layer (31) can be colored by the writing pressure, like the commercially available carbonless copying paper. , PIN code that can be easily tracked even if it is tampered with, such as the region where the audio equipment is sold or the name of the store,
You can write down the number etc. by hand.

[0021]

As described above, in the operations and examples, in the paper stamps of the present invention, the irreversible heat-sensitive ink layer (30) is formed on the surface of the opaque paper base material (40) such as paper or plastic. ) And an opaque printing masking layer (20) are laminated in this order, or a capsule ink layer (30) consisting of a microcapsule color developer and a developer and an opaque printing masking layer (20) are laminated in order. By heat-transfer printing unique information such as symbols, numbers, addresses, names, dates, and amounts of money on the surface of the opaque print hiding layer (20), the heat of the heat transfer printing causes an irreversible heat In the ink layer (30), or in the capsule ink layer (30) consisting of a microcapsule color former and a developer, hidden by an opaque printing hiding layer (20) and an opaque paper stamp substrate (40), An afterimage (11) of unique information that cannot be seen by the user occurs, and the afterimage (1) of this unique information Since 1) cannot be erased or tampered with, even if the unique information printed by thermal transfer is tampered with with difficulty, the opaque print concealment layer (20) is removed with an organic solvent, etc. The afterimage (11) can be easily followed up.

That is, in the stamps and the like of the present invention, the user who knows these circumstances does not try to tamper with the unique information printed by thermal transfer printing, and the seal, guarantee seal, inspection, and certification are required. As a means to prevent falsification of unique information on stickers, cash vouchers, receipts and other certificate papers, it is possible to use symbols, numbers, addresses, names, etc. without the need to separately install conventional magnetic recording, barcodes, emboss marks, etc. Even if the unique information printed by thermal transfer is easily tampered with by simply printing the unique information such as date and amount of money, it is a certificate paper that can easily trace and investigate the unique information before it is tampered with. It is possible for a person or the like to provide a certificate sheet that does not fraudulently tamper with the unique information.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional view of a stamp in Example 1 of the present invention.

FIG. 2 is a partial cross-sectional view of a stamp in Example 2 of the present invention.

[Explanation of symbols]

10 ... peculiar information 11 ... afterimage of peculiar information 20 ... printing concealing layer 30 ... thermal ink layer or mixed layer of color developer and microcapsule color developer 31 ... color developer layer 32 ... microcapsule color developer layer 40 ... certificate paper substrate

Claims (2)

[Claims] 1. An irreversible heat-sensitive ink layer (30) and an opaque print concealing layer (20) are sequentially laminated on the surface of an opaque paper base material (40) made of paper or plastic. On the surface of the opaque print hiding layer (20), symbols, numbers and addresses, names and dates,
Certificate paper that features thermal transfer printing of specific information such as the amount of money. 2. An opaque paper base material (40) made of paper or plastic, instead of the irreversible heat-sensitive ink layer (30).
The stamp paper according to claim 1, wherein a capsule ink layer (30) composed of a microcapsule color developing agent and a color developing agent and an opaque print hiding layer (20) are sequentially laminated on the surface of the above.