JP2003182267A - Postcard with concealing label - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a postcard with a concealing label, which can reduce a load on a worker conducting work for peeling the concealing label from the postcard with the concealing label, by mechanizing the work for peeling the concealing label. <P>SOLUTION: The concealing label 20 for concealing a specific information describing part 11 described on a postcard body 1 is stuck on the postcard 10 with the concealing label 20; a protrusively provided part 21a, in which at least one side of a base material 21 for the label, composed of paper, a nonwoven fabric, a resin film or the like, is protrusively provided in a prescribed shape, is formed on the concealing label 20; and a concealing layer 22, to which solid printing or tint block printing is applied with deep-color printing ink such as silver ink, black ink and navy blue ink, is formed on a surface of the base material 21 except a part of the provided part 21a. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a postcard with a concealment label for concealing specific information such as personal information written on the postcard, and in particular, it is possible to simplify the work of peeling off the attached concealment label. It relates to a postcard with a concealment label.

[0002]

2. Description of the Related Art Conventionally, it is necessary to hide specific information such as personal information written on a postcard, such as a dividend transfer designation form, voting form, automatic account transfer application form, and postcard confirming the contents with the contractor. There is a known postal matter (for example, refer to Patent Document 1).

[0003]

[Patent Document 1] Japanese Patent Publication No. 08-11471 (second
-3, Figure 1-3)

For this kind of mail, for example, a sender such as a company puts a postcard and a concealment label in an envelope and mails it, or attaches a concealment label with release paper to the reciprocating postcard and mails it. Will be delivered to the recipient. The recipient describes personal information such as account number, address, name, telephone number, etc. on the postcard, and attaches a concealment label on the surface of the personal information so that the concealment label does not leak to the outside. The postcard will be returned to the sender.

Then, the sender who receives the returned postcard with the concealment label peels off the concealment label attached to the postcard and processes each personal information described on the postcard manually or by OCR input. .

However, the peeling work of the concealment label of the postcard with the concealment label by the sender is a manual work in which the corners of the concealment label are lifted by the nails, and the corners of the concealed label that have been lifted off are removed by hand. When the amount of the concealment label is large, the burden on the operator is great.

Further, a postcard with a concealing label has been proposed in which a part of the concealing label is provided with a picking margin to facilitate peeling, and it can be said that the workability is improved as compared with the above method, but the peeling work of the peeling label is performed. Has been pointed out that the work efficiency is poor due to manual work.

[0008]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object thereof is to mechanize the peeling work of a concealment label in a postcard with a concealment label and perform peeling. Another object of the present invention is to provide a postcard with a concealment label that can reduce the burden on the worker who performs the work.

[0009]

In order to achieve the above object, a postcard with a concealment label according to the present invention is a postcard with a concealment label to which a concealment label for concealing specific information written on the postcard body is attached. In the above-mentioned concealed label, a label is formed on at least one side of a label base material made of paper, non-woven fabric, resin film, or the like, and a protrusion is formed in a predetermined shape, and at least a part of the protrusion is excluded. A cover layer is formed on the front surface or the back surface of the base material for use so as to cover the specific information recording portion.

Further, the projecting portion is characterized in that it is formed in a triangular shape or a trapezoidal shape with one side of the label substrate as the bottom side.

Further, in the postcard main body, a transparent ink layer on which a peeling print with a transparent ink is applied in a direction perpendicular to the bottom of the protruding portion is formed in a portion excluding the portion where the specific information is described. It is a feature.

The above-mentioned concealment label is a transparent or semitransparent resin film on the back surface of the label substrate, or
A pseudo-adhesive label in which a pseudo-adhesive layer made of transparent or translucent glassine paper, non-woven fabric, or the like is adhered, and an adhesive layer made of an adhesive is applied to the back surface of the pseudo-adhesive layer. .

The concealment label is a repeelable label in which an adhesive layer made of an adhesive is applied to the back surface of the label substrate, and is composed of the adhesive layer and a release paper attached to the back surface of the adhesive layer. The contact surface is provided with an adhesive force reducing means for reducing the adhesive force of the pressure-sensitive adhesive layer.

Further, the adhesive force reducing means is characterized in that a varnish or printing ink is solid-printed or halftone-printed on the surface of the release paper or the pressure-sensitive adhesive coated surface to remove glue. It is a thing.

The concealment label is a removable label in which an adhesive layer made of an adhesive is applied to the back surface of the label substrate, and the adhesive force can be reduced by partially applying the adhesive. It is a feature.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of a postcard with a concealment label according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a plan view showing an example in which a concealed label-attached postcard according to the present invention is applied to a dividend transfer specification sheet.

As shown in FIG. 1A, a dividend transfer designation sheet (hereinafter referred to as "transfer designation sheet") which is a postcard with a concealment label.
10), the sender's address and name are described in advance on the front surface side of the postcard main body 1, and a reply stamp is attached. Further, as shown in FIG. 2B, the sender name is described on the back side of the postcard main body 1, and the address, name, shareholder number of the shareholder who is the recipient of this transfer designation document are written in the bold line. There is provided a specific information description section 11 for describing personal information such as a transfer institution name, a financial institution number, an account number and the like.

The shareholder who is the recipient of the transfer designation document 10 writes the personal information in the specific information writing part 11 of the transfer designation document 10, and the specific information writing part 11 is described so as not to leak the written personal information to the outside. The concealment label 20 is attached, and the transfer designation document 10 is returned to the sender with the personal information concealed. The sender who receives the transfer designation document 10 with the concealment label 20 peels off the concealment label 20 attached to the specific information describing section 11, reads the concealed personal information, and performs business processing.

By the way, the purpose of the present invention is to mechanize the peeling work of the concealment label on the sender side to reduce the burden on the operator who performs the peeling work. The feature is that various means are provided.

FIG. 2 is a sectional view showing the configuration of the first embodiment of a postcard with a concealment label applied to this transfer designation document.

First, high-quality paper 110K to 135K, paper thickness 1
A solid ink is applied to the central portion along the longitudinal direction of the postcard main body 1 at a location excluding the specific information describing portion 11 on the back surface of the postcard main body 1 of 50 to 200 μm, that is, at a location that does not need to be concealed by the concealment label 20. A printed transparent ink layer 12 is formed.

The transparent ink layer 12 is provided for the purpose of improving the peeling property between the peeling tape and the postcard main body 1 described later, and at least peeling is performed by using a UV-curable or oxidative polymerization type colorless transparent ink. It is necessary to print with a coating width wider than the paper width of the tape for printing. In addition, the amount of the colorless transparent ink is adjusted according to the adhesive force of the pressure-sensitive adhesive applied to the back surface of the peeling tape. In the present embodiment, as the colorless transparent ink, the clear OP varnish UP-2, RN is used.
Using C medium (T & K TOKA, trade name),
Solid printing is performed with a coating width of 10.0 mm or more.

When the specific information recording portion 11 on the back surface of the postcard body 1 is small and the size of the concealment label 20 attached to the postcard body 1 does not reach the entire back surface of the postcard body 1, the transparent ink layer 12 is used. By providing the above, the concealment label 20 can be peeled off without damaging the postcard body 1.

In the present embodiment, the concealment label 20 is a pseudo adhesive label, and is a label base material 21 made of a transparent or translucent resin film such as polyethylene terephthalate (PET) or polypropylene. The upper part is formed to project in a predetermined shape.

The protruding portion 21a of the label base material 21 is provided for the purpose of strengthening the peeling resistance with the pressure-sensitive adhesive on the back surface of the peeling tape, which will be described later, so that the concealment label 20 can be easily peeled from the postcard main body 1. Is. The protruding portion 21a is formed in a triangular shape having one side of the label base material 21 formed in a rectangular shape as a bottom side, or a trapezoidal shape having one side of the label base material 21 as a bottom side. The height (H) of each of the shape and the trapezoid is set to 3.0 mm or more. However, the shape of the protruding portion 21a is not limited to the triangular shape or the trapezoidal shape.

On the surface of the label base material 21, a concealment layer 22 is formed as solid-printing or tint block printing with dark-colored printing ink such as silver, black, and dark blue as anti-permeation printing.

The concealing layer 22 is not formed on the entire surface of the label base material 21, but is formed on a portion of the label base material 21 excluding a part of the protruding portion 21a for the purpose of increasing the peeling resistance. Only formed. The concealing layer 22 is not formed on a part of the protruding portion 21 a of the label base material 21, and the label base material 21 made of a resin film is exposed to the outside.

The concealing layer 22 may be formed by solid printing or tint block printing of the above-described printing ink, or by adhering a coloring film of a dark color such as silver, black, or dark blue.
Various configurations are conceivable, such as a configuration in which a metal deposition film obtained by depositing an aluminum foil on a resin film made of PET or the like and a configuration in which dark-colored colored paper is attached, but the lower surface of the label base material 21 cannot be seen through. It is not limited to these, if possible.

A transparent or semi-transparent resin film, or a pseudo-adhesive layer 23 made of transparent or semi-transparent glassine paper or non-woven fabric is laminated on the back surface of the label base material 21 and is sealed by a dedicated sealer machine. By thermocompression bonding, the label substrate 21 and the pseudo adhesive layer 23 are configured to be peelable via the pseudo adhesive surface P1.

The peeling force of the pseudo adhesive surface P1 is JIS
8 to 20 measured by 180 ° peeling method according to Z0237
It is set to 0 gf / 25 mm.

A pressure sensitive adhesive layer 24 made of a pressure sensitive adhesive is applied to the back surface of the pseudo adhesive layer 23, and a peeling agent having a silicone-based release agent applied to the paper surface is applied to the lower surface of the pressure sensitive adhesive layer 24. Paper 25 is attached. The adhesive layer 2 exposed by peeling off the release paper 25 from the concealment label 20 at the time of use
Specific information writing part 1 of the postcard main body 1 using the adhesive strength of 4
1 Paste on the surface.

As the constitution on the back side of the label base material 21,
As shown in FIG. 3, a transparent or semitransparent resin film, or a first pseudo adhesive layer 23a made of transparent or semitransparent glassine paper or non-woven fabric is adhered to the back surface of the label substrate 21, A second transparent or semitransparent resin film or a transparent or semitransparent glassine paper or non-woven fabric on the lower surface of the first pseudo adhesive layer 23a.
The pseudo adhesive layer 23b is laminated and thermocompression-bonded by a dedicated sealer machine, so that the label base material 21 and the pseudo adhesive layer 2
3a and 23b may be configured to be peelable via the pseudo adhesive surface P2 between the first pseudo adhesive layer 23a and the second pseudo adhesive layer 23b.

Here again, the peeling force of the pseudo adhesive surface P2 is J
8 to 8 measured by the 180 ° peeling method according to IS Z0237
It is set to 200 gf / 25 mm.

In the pseudo adhesive label of the present embodiment, as shown in FIG. 4 or 5, it is possible to form the concealing layer 22 on the back surface of the label base material 21. In this case, the concealment label 20 and the postcard main body 1 have the pseudo-bonded surface P1.
Alternatively, since it is peeled off via P2, the concealing layer 22 is formed between the label base material 21 and the pseudo adhesive layer 23 (see FIG. 4),
Alternatively, it is provided between the label substrate 21 and the first pseudo adhesive layer 23a (see FIG. 5).

Next, a second embodiment of the postcard with a concealment label according to the present invention will be described with reference to FIGS. 6 to 9.

The postcard main body in this embodiment is
The same one as the postcard main body in the first embodiment is used.

The concealment label 20 'in this embodiment is
A removable label is used, and an upper portion of a label base material 21 made of a transparent or translucent resin film such as polyethylene terephthalate (PET) or polypropylene is formed to have a predetermined shape.

The shape of the protruding portion 21a of the label base material 21,
The dimensions and the configuration of the concealing layer 22 formed on the front surface or the back surface of the label base material 21 are basically the same as those of the above-described first embodiment, and thus the same reference numerals are given to them. Detailed description is omitted.

A pressure-sensitive adhesive layer 24 made of a pressure-sensitive adhesive is applied to the back surface of the label base material 21, and a release agent containing silicone as a main component is applied to the paper surface on the lower surface of the pressure-sensitive adhesive layer 24. A release paper 25 is attached. At the time of use, the peeling paper 25 is peeled off from the concealment label 20 ′ and the adhesive force of the exposed adhesive layer 24 is used to make use of the information writing section 1 of the postcard main body 1.
1 Paste on the surface.

In the removable label, when the adhesive layer 24 is applied to the entire back surface of the label substrate 21, the adhesive force with the postcard body 1 is too strong, and the concealment label 20 'is attached to the postcard body 1.
Since it becomes difficult to peel off from the adhesive layer 24 and the release paper 25
Means for reducing the adhesive force are provided on the contact surface with.

That is, the release paper 25 attached to the lower surface of the pressure-sensitive adhesive layer 24 has a glue-removing portion on which a varnish or printing ink is solid-printed or halftone-dot-printed at several places on the surface of the release agent. 26 are provided. When the release paper 25 is peeled off from the concealment label 20 'at the time of use, the glue removing portion 26
The release paper 25 is peeled off from the concealment label 20 ′ in a state where is adhered to the back surface of the adhesive layer 24.

This is because the adhesive surface between the glue-removing portion 26 and the surface of the release paper 25 is a silicone surface having a strong surface slipperiness, so that the adhesive state is weak, and conversely, the glue-removing portion 26 and the adhesive layer 2 are adhered.
Since the adhesive state with 4 is stronger than the adhesive state between the sizing part 26 and the surface of the release paper 25, the sizing part 26 is peeled from the release paper 25 in a state of being adhered to the adhesive layer 24 having a strong adhesive force. This is because it remains on the adhesive layer 24 on the back surface of the label substrate 21.

As a means for reducing the adhesive force on the contact surface between the pressure-sensitive adhesive layer 24 and the release paper 25, as shown in FIG. 7, a pressure-sensitive adhesive coating layer 2 for coating a pressure-sensitive adhesive on the back surface of the label substrate 21.
4a and the pressure-sensitive adhesive uncoated layer 24b to which the pressure-sensitive adhesive is not applied may be provided to reduce the adhesive area between the pressure-sensitive adhesive layer 24 and the release paper 25.

Although not shown, it is also possible to easily peel off the concealment label from the postcard main body by applying a weak adhesive to the back surface of the label substrate.

Further, in the removable label of this embodiment, as shown in FIG. 8 or 9, it is possible to form the concealing layer 22 on the back surface of the label base material 21. In this case, the hiding layer 22 is provided between the label base material 21 and the pressure-sensitive adhesive layer 24 (see FIG. 8) or between the pressure-sensitive adhesive layer 24 and the release paper 25 (see FIG. 9). In particular, when the concealing layer 22 is provided at the location shown in FIG. 9, the concealing layer 22 reduces the contact area between the pressure-sensitive adhesive layer 24 and the postcard body 1 and weakens the adhesive force between them, so that the concealment label 20 ′ is removed from the postcard body 1. Easy to peel off. Therefore, there is an advantage that it is not necessary to provide the above-described adhesive force reducing means, the structure of the concealing label 20 ′ can be simplified, and the manufacturing cost can be reduced.

The peeling force between the postcard body 1 and the adhesive layer 24 on the rear surface of the concealment label 20 and the peeling force between the postcard body 1 and the adhesive coating layer 24a on the rear surface of the concealment label 20 are 180 ° according to JIS Z0237. It is set to 8 to 200 gf / 25 mm measured by the peeling method. This peeling force is measured by the full width of the concealing label when the above-mentioned partial coating of the pressure-sensitive adhesive or paste-killing printing is applied, and its average value is within the above range.

FIG. 10 is a view showing the structure of a peeling tape used for peeling the concealment label 20 from the postcard 10 with the concealment label according to the present invention, (a) being a plan view seen from the front side, ( b) is a sectional view thereof.

As shown in the figure, the peeling tape 30 is
The paper width (W) of the tape base material 31 made of glassine paper, OPP film, or PET film is 5.0 to 50.0.
It is formed in a long shape of mm. On the back surface of the tape base material 31, a pressure-sensitive adhesive layer 32 is formed, which has an acrylic resin as a main component and a pressure-sensitive adhesive to which a small amount of silica is added and which is entirely applied.

Since the peeling tape 30 is wound around a dedicated roller and used in the form of a roll, the blocking phenomenon of the contact surface between the pressure-sensitive adhesive layer 32 which is the back surface of the peeling tape 30 and the surface of the peeling tape 30 is prevented. For the purpose, tape base material 3
A release agent layer 33 may be formed by applying a release agent containing silicone as a main component on one surface.

The peeling tape 30 has a paper thickness of 2
The tensile strength is set to 5 to 100 μm and the tensile strength is set to 5 kgf / mm ² or more.

Next, the method for peeling off the concealment label in the postcard with the concealment label according to the present invention will be described with reference to FIGS. 11 to 15.

Postcard 1 with a concealment label having the above configuration
0 is obtained by going through the tape pressure bonding step of pressure-bonding the peeling tape 30 on the surface of the masking label 20 of the postcard 10 with the masking label, and the masking label peeling step of simultaneously peeling the pressure-bonded peeling tape 30 and the masking label 20. The postcard body 1 and the concealment label 20 are peeled off.

First, in the tape pressure bonding step, as shown in FIG. 11, the surface of the postcard 10 with the concealment label, to which the concealment label 20 is attached, that is, the back surface of the postcard 10 with the concealment label is directed to the upper surface and is elongated. Formed and
The back surface of the peeling tape 30 wound in a roll, that is, the pressure-sensitive adhesive layer 32 on the back surface of the tape substrate 31 is directed to the lower surface, and the concealment label 20 of the postcard 10 with the concealment label and the pressure-sensitive adhesive layer 32 of the peeling tape 30. In a state where and are opposed to each other, for example, they are passed between the pressure bonding rollers 53a and 53b. The pressure-sensitive adhesive layer 32 on the back surface of the peeling tape 30 is
The transparent ink layer 12 of the postcard 10 with the hiding label, the protruding portion 21a of the hiding label 20, the hiding layer 22 of the hiding label 20.
And pressurize them so that they contact each other in sequence.

The postcard 10 with the concealed label and the peeling tape 30 after passing between the pressure bonding rollers 53a and 53b are
As shown in FIG. 12, the peeling tape 30 is used for the postcard main body 1.
The center of the longitudinal direction is cut vertically, and the adhesive is applied to the transparent ink layer 12, the protruding portion 21a, and the concealing layer 22 by the adhesive force of the adhesive paste layer 32 on the back surface.

Next, in the concealment label peeling step, as shown in FIG. 13, for example, a peeling roller 54a having a roller at its tip is pressed against the surface side of the concealment label postcard 10 to which the peeling tape 30 is pressure-bonded. Conveying the postcard 10 with the concealed label in the closed state, and peeling tape 3 on the outermost surface
0 is rotated by a winding roller or the like (not shown) and pulled by its pulling force. Then, the postcard 10 with the concealment label to which the peeling tape 30 is pressure-bonded has the concealment label 20 having a weaker adhesive force than the pressure-bonding surface P3 between the pressure-sensitive adhesive layer 32 on the back surface of the peeling tape 30 and the concealment layer 22 on the surface of the concealment label 20. Pseudo-bonding surface P between the label base material 21 and the pseudo-bonding layer 23 in FIG.
1 is peeled off. In addition, in order to peel off the concealment label 20 more reliably, it is possible to press the peeling tapes 30 in two rows.

After the concealment label peeling step, FIG.
As shown in FIG.
2 and the label base material 21 are peeled from the postcard main body 1. On the other hand, in the postcard main body 1, as shown in FIG. 15, the pseudo adhesive layer 23, the adhesive layer 24, the transparent ink layer 1
2, The specific information description section 11 remains.

Since the pseudo adhesive layer 23 adhered to the surface of the specific information describing portion 11 via the adhesive layer 24 is made of transparent or translucent glassine paper or the like as described above. The visibility of the personal information written in the specific information writing section 11 does not deteriorate.

[0059]

As described above in detail, according to the concealed label postcard according to the present invention, the peeling tape having the back surface coated with the pressure sensitive adhesive is pressure-bonded to the concealed label postcard surface. Then, pulling the peeling tape while pressing the surface of the postcard with the concealment label with the peeling tape pressed by the peeling roller with the roller at the tip, the peeling tape and the concealment label from the postcard with the concealment label It is possible to peel at the same time. Therefore,
By mechanizing the peeling work of the concealment label in the postcard with the concealment label, it is possible to eliminate the conventional manual work and reduce the burden on the operator who performs the peeling work.

[Brief description of drawings]

1A and 1B are diagrams showing an example in which a postcard with a concealment label according to the present invention is applied to a dividend transfer specification sheet, in which FIG. 1A is a plan view showing a front surface of a postcard main body, and FIG. It is a top view shown.

FIG. 2 is a cross-sectional view showing a configuration of a first embodiment of a postcard with a concealment label according to the present invention.

FIG. 3 is a cross-sectional view showing another configuration example of a concealment label (pseudo adhesive label).

FIG. 4 is a cross-sectional view showing another configuration example of a concealment label (pseudo adhesive label).

FIG. 5 is a cross-sectional view showing another configuration example of a concealment label (pseudo adhesive label).

FIG. 6 is a cross-sectional view showing a configuration of a second embodiment of a postcard with a concealment label according to the present invention.

FIG. 7 is a cross-sectional view showing another configuration example of the concealment label (removable label).

FIG. 8 is a cross-sectional view showing another configuration example of the concealment label (removable label).

FIG. 9 is a cross-sectional view showing another configuration example of the concealment label (removable label).

FIG. 10 is a view showing the structure of a peeling tape, (a)
Is a plan view seen from the surface side, and FIG.

FIG. 11 is a cross-sectional view showing a tape crimping step of crimping a peeling tape on the surface of the concealment label of the postcard with the concealment label according to the present invention.

FIG. 12 is an external plan view showing the state of a postcard with a concealment label and a peeling tape after passing between pressure bonding rollers.

FIG. 13 is a cross-sectional view showing a concealment label peeling step of simultaneously peeling the pressure-bonded peeling tape and the concealment label.

FIG. 14 is a diagram showing a state of a concealment label after a concealment label peeling step, where (a) is an external plan view and (b) is a sectional view.

15A and 15B are diagrams showing a state of the postcard main body after the concealment label peeling step, wherein FIG. 15A is an external plan view and FIG. 15B is a sectional view.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 postcard main body 11 specific information description part 12 transparent ink layer 20, 20 'concealment label 21 label base material 21a protruding part 22 concealment layer 23 pseudo adhesive layer 23a first pseudo adhesive layer 23b second pseudo adhesive layer 24 adhesive Adhesive layer 24a Adhesive coating layer 24b Adhesive non-application layer 25 Release paper 26 Glue killing part 30 Peeling tape 31 Tape base material 32 Bonding glue layer 33 Peeling agent layers 53a and 53b Crimping roller 54a Peeling roller H Height of protruding part P1 Pseudo-adhesive surface between label substrate and pseudo-adhesive layer P2 Pseudo-adhesive surface between first pseudo-adhesive layer and second pseudo-adhesive layer P3 Crimping surface between pressure-sensitive adhesive layer and concealing layer

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Hiroyo Sakakibara             115 Kitatakane, Ogakie-cho, Kariya city, Aichi small             Hayashi Record Paper Co., Ltd. (72) Inventor Masataka Kojima             115 Kitatakane, Ogakie-cho, Kariya city, Aichi small             Hayashi Record Paper Co., Ltd. F-term (reference) 2C005 WA03

Claims (7)

[Claims] 1. A postcard with a concealment label to which a concealment label for concealing specific information written on the postcard body is attached, wherein the concealment label is at least a label base material made of paper, non-woven fabric, resin film or the like. A protruding portion protruding in a predetermined shape is formed on one side, and a concealing layer is formed on the front or back surface of the label substrate except at least a part of the protruding portion so as to hide the specific information writing portion. A postcard with a concealment label that is characterized by being 2. The postcard with a concealment label according to claim 1, wherein the protruding portion is formed in a triangular shape or a trapezoidal shape with one side of the label substrate as a bottom side. 3. The postcard body is characterized in that a transparent ink layer is formed on a portion excluding the specific information writing portion in a direction perpendicular to the base of the protruding portion, the transparent ink layer being subjected to peeling printing with transparent ink. The postcard with a concealment label according to claim 1 or 2. 4. The concealment label has a transparent or semitransparent resin film, or a pseudo adhesive layer made of transparent or semitransparent glassine paper, non-woven fabric, or the like adhered to the back surface of the label substrate, The postcard with a concealment label according to any one of claims 1 to 3, wherein the pseudoadhesive label is a pseudoadhesive label in which an adhesive layer made of an adhesive is applied to the back surface of the pseudoadhesive layer. 5. The concealment label is a repeelable label in which a pressure-sensitive adhesive layer made of a pressure-sensitive adhesive is applied to the back surface of the label substrate, and comprises the pressure-sensitive adhesive layer and a release paper attached to the back surface of the pressure-sensitive adhesive layer. The postcard with a concealment label according to claim 1, wherein the contact surface is provided with an adhesive force reducing means for reducing the adhesive force of the pressure-sensitive adhesive layer. 6. The adhesive reduction means is characterized in that a varnish or a printing ink is subjected to solid printing or halftone dot printing to eliminate glue at several points on the surface of the release paper or the surface coated with the adhesive. A postcard with a concealment label according to claim 5. 7. The concealment label is a removable label in which a pressure-sensitive adhesive layer made of a pressure-sensitive adhesive is applied to the back surface of a label substrate, and the adhesive force is reduced by partially applying the pressure-sensitive adhesive. The postcard with a concealment label according to any one of claims 1 to 3.