JP2812047B2 - Concealment card - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magnetic card in which a magnetic tape (magnetic recording layer) provided on a credit card, a cash card, an ID card, or the like is concealed. The present invention relates to a concealment card provided separately in an upper layer portion of a non-magnetic tape.

[0002]

2. Description of the Related Art Conventionally, a plastic sheet is used as a core substrate, and thin plastic films (31, 31) are laminated on both sides of the core substrate (30).
1) In a magnetic card in which a magnetic tape (32) is adhered thereon and hot-pressed to make it flush, for example, a first colored concealing layer (33) and a second picture layer ( 34), and a thermoplastic resin layer (35) is provided on both of the layers to form a flat surface by hot pressing from above, thereby concealing the magnetic tape and writing and reading data on the magnetic tape. ,
A card having increased durability to a magnetic head (see FIG. 2) is known from Japanese Utility Model Publication No. 1-35777. Also, as shown in FIG. 3, a magnetic card (50) in which a magnetic tape (32) is concealed by providing a concealing layer (33), a picture layer (34), and a surface protective layer (35) on the entire surface of the magnetic card has recently been seen. Can be

As described above, these cards in which the magnetic tape is concealed are provided to conceal the color of the magnetic material of the magnetic tape and utilize the entire surface of the card as a picture layer. The surface protective layer is used to prevent abrasion and damage due to writing and reading of the magnetic head when using a card with a magnetic tape or picture layer, and to prevent cracking of the magnetic card surface due to embossing during manufacturing. It is intended to enhance durability.

[0004]

As described above, as a quality function of the surface protective layer, wear resistance to the magnetic head is required, and heat resistance, moisture resistance,
Durability such as chemical resistance is required. In addition to the uppermost layer of the non-magnetic tape surface, especially the embossing area (E), it has excellent flexibility not to cause cracking of the card surface due to embossing, and has excellent inking property on the embossed surface (thermal transfer of colored transfer foil). Is required. However, as shown in FIG. 3, the conventional surface protective layer (35) is hard and flexible in order to satisfy the required quality of both the uppermost layer of the magnetic tape area and the uppermost layer of the non-magnetic tape area. An intermediate, single-composition surface protective layer (35) having properties is provided. For example, vinyl chloride resin, acrylic resin, thermoplastic resin such as urethane resin and a certain amount of thermosetting resin have been used, but both have become an intermediate surface protection layer for required quality, especially The wear resistance of the uppermost layer in the magnetic tape area has been a problem. Therefore, the present invention provides a concealment card that satisfies required quality by separately providing a surface protective layer having surface abrasion resistance and a surface protective layer having flexibility.

[0005]

According to the present invention, as shown in FIG. 1, a plastic sheet is formed on a core substrate.
(10) as plastic film on both sides of the core substrate
(11,11) is laminated and the plastic film (1
1) A magnetic tape (12) is stuck on the top, a magnetic card (K) with both surfaces flush by hot pressing is formed, and a colored concealing layer (13), a picture layer (14), and a surface protection layer A card provided with (15) and concealing a magnetic tape (12), wherein the surface protective layer (15)
The uppermost part of the magnetic tape area and the uppermost part of the non-magnetic tape area are provided separately.The uppermost part of the magnetic tape area is a surface protective layer made of a thermosetting resin (15A).
The concealment card (20) having a surface protection layer (15B, 15B) made of a thermoplastic resin at the uppermost layer in the non-magnetic tape area.

This will be described in detail with reference to the drawings. FIG. 1 is a partial cross-sectional view of a concealment card provided with a divided surface protection layer according to an embodiment of the present invention. As shown in FIG. 1, the uppermost layer of the magnetic tape area on the picture layer (14) of the magnetic card (K) has a surface protective layer made of a thermosetting resin wider than the magnetic tape (12).
(15A), and a concealment card (20) provided with a surface protective layer (15B, 15B) made of a thermoplastic resin on the uppermost layer of the non-magnetic tape area, and having both surfaces flush by hot pressing. That is,
The uppermost surface protective layer (15A) in the magnetic tape area is coated with a thermosetting resin. It is a thing. Also, a thermoplastic resin is appropriately selected as the uppermost layer of the non-magnetic tape area, and a highly flexible surface protective layer (15) is used to prevent the occurrence of cracks on the card surface during embossing.
B, 15B), which is a concealment card (20) that can satisfy the required quality of both.

[0007]

The concealment card (20) of the present invention has a surface protective layer (15A) provided on the uppermost layer of the magnetic tape area as shown in FIG.
The thermosetting resin is provided on the top layer of the non-magnetic tape area, and the surface protection layer (15B, 15B) is provided with a thermoplastic resin separately, and the both sides are flushed by hot pressing. Each area becomes a surface protective layer (15) having high wear resistance and flexibility. As a result, the uppermost layer of the magnetic tape region can minimize the generation of scratches due to writing and reading by the magnetic head and foreign matter due to surface wear, thereby increasing the durability of the concealment card and extending the service life. . Also, the top layer of the non-magnetic tape area is made of a flexible thermoplastic resin during embossing,
Cracking of the embossing area (E) on the surface of the concealment card is suppressed, and the inking property of the colored transfer foil by thermal transfer to the embossed character surface is improved.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described in detail. As the thermosetting resin for the uppermost surface protective layer (15A) in the magnetic tape area shown in FIG. 1, epoxy resins, urea resins, melamine resins, reactive acrylic emulsion resins, polyester acrylates are mainly used for abrasion resistance. Resins, urethane acrylate resins, epoxy acrylate resins, and the like are suitable. By blending various silicone resins, polytetrafluoroethylene and polyethylene wax with a resin appropriately selected from these, a surface protective layer (15A) meeting the required quality can be obtained.

As the thermoplastic resin of the uppermost surface protective layer (15B, 15B) in the non-magnetic tape region, nitrocellulose, ethylcellulose,
Ethyl hydroxyethyl cellulose, maleic acid resin,
Rosin ester, chloride rubber, cyclized rubber, acrylic resin,
Suitable are vinyl chloride, vinyl acetate copolymer resin, urethane resin, polyamide resin, polyester acrylate resin and the like. Furthermore, it is more effective to mix a higher fatty acid ester, palmitic acid ester, normal paraffin, polyethylene wax or the like to a resin appropriately selected from these resins.

Specific examples of the composition of the above-mentioned surface protective layer (15) are shown below. An example of the surface protective layer (15A) made of a thermosetting resin on the uppermost layer in the magnetic tape area is shown below. Epoxy resin 5 parts Acrylic resin 15 parts Methyl ethyl ketone 35 parts Toluene 35 parts Hardener 5 parts Silicone 1 part Polyethylene wax 4 parts Also, an example of the surface protection layer (15B, 15B) made of thermoplastic resin on the top layer of the non-magnetic tape area Shown below. Acrylic resin 7 parts Vinyl chloride resin 7 parts Vinyl acetate copolymer resin 6 parts Methyl ethyl ketone 35 parts Toluene 35 parts Polyethylene wax 5 parts

As described above, according to the present invention, a thin plastic film (11, 11) is laminated on both sides using a plastic sheet as a core substrate (10), and the plastic film on the front side is laminated.
(11) A magnetic tape (12) is adhered on the magnetic card (K) by hot pressing, and a colored concealing layer (13) and a picture layer (1
4) is formed to conceal the magnetic tape (12). Further, the colored concealing layer (13) and the picture layer (14) are not limited to a single layer, but may be several layers to ensure concealment. The magnetic tape (12)
On the uppermost layer of the area, a surface protection layer (15A) is formed which is wider than the width of the magnetic tape (12). The embossing area (E) in the uppermost layer of the non-magnetic tape area is provided with a surface protective layer (15B, 15B) made of a thermoplastic resin to form a concealment card (20).

The surface protective layer (15) may be coated by any of gravure coating, screen printing, and coating with a roll coater, but the overlapping of the surface protective layers should be minimized. Therefore, screen printing or gravure coating is most suitable. After coating, the concealment card (20) can be made by hot pressing to make both sides of the concealment card (20) flush and mirror-finished and punching to a desired size (card size).

<Test 1> The abrasion resistance of the surface protective layer (15A) in the area of the magnetic tape (12) in the concealment card (20) of the present invention was tested. As a result, 1000 to 500
At 0 times, no change was observed on the surface of the surface protective layer (15A). Also, it was recognized that a slight scratch was generated on the surface from 10,000 times to 50,000 times (both were tested with a lab tester and a 4-lb load).

[0014]

The concealment card (20) of the present invention is a magnetic tape.
By forming a surface protective layer (15) meeting the required quality on the uppermost layer of the (12) area and the uppermost layer of the non-magnetic tape area, as shown in Test 1, the abrasion resistance to the magnetic head is remarkably increased. Can improve and extend the life of the card. In addition, the surface protection layer (15
(B, 15B), a concealment card that reduces the cracks on the card surface during embossing, improves the inking property of the colored transfer foil on the embossed characters, and makes it difficult for the color of the colored embossed characters to fade. (20).

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional view of a concealment card provided with a divided surface protection layer according to an embodiment of the present invention.

FIG. 2 is a partial sectional view showing an example of a card in which the surface of a magnetic tape is hidden.

FIG. 3 is a partial cross-sectional view showing an example of a card in which the entire surface of a magnetic card is concealed by a concealing layer picture layer or the like.

[Explanation of symbols]

10,30… Plastic sheet core base material 11,31… Oversheet made of plastic film 12,32… Magnetic tape (magnetic recording layer) 13,33… Hiding layer 14,34… Pattern layer 15,35… Surface protection layer 20 … Hidden card 15A… Surface protective layer in the magnetic tape area 15B… Surface protective layer in the non-magnetic tape area E… Embossing area K… Magnetic card

Claims (1)

(57) [Claims] 1. A plastic sheet as a core substrate,
Laminate plastic films on both sides of the core substrate,
A magnetic card in which a magnetic tape is stuck on a plastic film on the front side and a magnetic concealing layer, a picture layer, and a surface protective layer are provided on a magnetic card whose both sides are flush with each other by hot pressing to conceal the magnetic tape. , by dividing the surface protective layer on the uppermost layer and the uppermost layer of the non-magnetic tape area of the magnetic tape area intended digits set, the uppermost layer of the magnetic tape area
A surface protection layer made of thermosetting resin is
A surface protection layer made of thermoplastic resin is provided on the top layer of the
A concealment card characterized by being hidden. "