JP2006347035A - Pressure-sensitive adhesion sheet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a pressure-sensitive adhesion sheet of which some one of the paper pieces is restored after unsealing to the state thereof before an adhesive is formed, and moreover which does not bring about portions to be cast off for unsealing. <P>SOLUTION: A plurality of paper pieces having adhesive parts formed are connected by fold and cut-off parts and prescribed information including personal information is printed thereon. These paper pieces are folded at the fold parts and contact-bonded at the adhesive parts, and after the sheet is forwarded, the pieces are ripped off from the adhesive parts and used. In the pressure-sensitive adhesion sheet thus constituted, a peeling structure is formed on one side of opposite surfaces to be inside when the sheet is folded, and further the pressure-sensitive adhesive is formed at least in a part of each opposite surface. On the occasion of the contact bonding, the opposite parts are adhered by the pressure-sensitive adhesive formed thereon, and at the time of ripping off, they are ripped off at the pressure-sensitive adhesive and the peeling structure forming part. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a pressure-sensitive adhesive sheet, and more particularly, to a pressure-sensitive adhesive sheet that regenerates a piece of paper to a state where no adhesive remains after being peeled from an adhesive portion.

In recent years, envelopes have been disassembled into envelope covers and envelope backing papers, and a central center paper having the same area as the envelope cover is connected and folded into three envelopes. In many fields, sealed letters using a folded envelope sheet that is printed on the inner side of a folded paper are used. For example, a “tri-fold mail form with a postcard for reply having an OCR entry field” is provided (see Patent Document 1). In this example, the mailed item is treated as an envelope and is sent at an envelope fee.
In addition, the present invention relates to a folded postcard in which a releasable and non-re-adhesive adhesive is formed on the entire inner portion in the same form, crimped, postcarded (hereinafter referred to as a postcard), and print information similar to an envelope is transmitted. Techniques such as “postcard sheets” are provided (see Patent Document 2).
In this example, the mailing is handled as a postcard with a label attached to the central postcard body, and is sent at a postcard fee.

Japanese Utility Model Publication No. 4-128874 JP 2002-137573 A

In the technique described in Patent Document 1, it is necessary to cut off an opening sewing machine part formed in the peripheral part of the envelope in order to open it, and in order to enclose the postcard, at least the right and left size of the envelope is the right and left size of the postcard. It must be set larger than the standard dimension of the cut part.
Moreover, the round-trip postcard by the technique currently disclosed by patent document 2 cannot be used for the mailing of confidential information.

  Therefore, the present invention follows the technical form disclosed in Patent Document 1, and after opening, a part of paper is regenerated to a state before the adhesive is formed, and further, a part discarded for opening It is an object of the present invention to provide a pressure-sensitive adhesive sheet that does not generate or reduces generation of pressure.

  In order to achieve the object, the invention according to claim 1 of the pressure-sensitive adhesive sheet of the present invention includes a predetermined piece including personal information in which a plurality of paper pieces on which adhesive portions are formed are connected by folding and separating portions. This is a pressure-sensitive adhesive sheet that is printed, and these pieces of paper are folded at the folding part, pressed at the adhesive part, and sent off and then peeled off from the adhesive part. A peeling structure is formed on one side of the facing surface, and further, a pressure-sensitive adhesive is formed on at least a part of each facing surface, and at the time of pressure bonding, the pressure-sensitive adhesive formed on the facing portion is adhered to each other, When it is peeled off, it is peeled off by the pressure-sensitive adhesive and the peeling structure forming portion.

  The invention according to claim 2 is the invention according to claim 1, wherein the pressure-sensitive adhesive sheet is a pressure-sensitive adhesive sheet for envelopes of a tri-fold specification, and the peeling structure is formed on the front and back of the central piece of paper. It is characterized by this.

  The invention according to claim 3 is the invention according to claim 2, wherein when the three-fold pressure-sensitive adhesive sheet for envelopes is peeled off and the central paper piece is separated at the separation part, The piece of paper is characterized in that it is sized to meet the standard of the postcard.

1) As described in claim 1, a plurality of pieces of paper on which adhesive portions are formed are connected at a folding and separating portion, predetermined information including personal information is printed, and these pieces of paper are folded at the folding portion and bonded. The pressure-sensitive adhesive sheet is used after being crimped and sent from the adhesive part, and is peeled off from the adhesive part. A pressure-sensitive adhesive is formed on at least a part of the opposing surface, the pressure-sensitive adhesive formed on the opposing part is bonded to each other at the time of pressure bonding, and when peeled off, the pressure-sensitive adhesive and the peeling structure forming part are peeled off. As a result, it is possible to provide a pressure-sensitive adhesive sheet that regenerates a piece of paper to the state before the adhesive is formed after opening, and does not generate a portion discarded for opening.
2) Further, as described in claim 2, in the invention described in claim 1, the pressure-sensitive adhesive sheet is a tri-fold type pressure-sensitive adhesive sheet for envelopes, and the peeling structure is formed on the front and back of the central piece of paper. As a result, the central paper piece can be a paper piece on which no adhesive is formed.
3) Further, as described in claim 3, in the invention according to claim 2, when the pressure-sensitive adhesive sheet for a three-fold envelope is peeled off and the central piece of paper is separated at the separation portion, The central piece of paper is sized to meet the standards for postcards, eliminating the need for a sewing machine for opening, resulting in the size of a postcard that can be contained within the size of a conventional tri-fold envelope form. It can be made larger and can be changed to paper with a basis weight of 128 g / m ² instead of paper with a basis weight of 157 g / m ^{2 in} the past to meet the standard of mail. The material cost can be greatly reduced.
Further, since the basis weight of the paper to be used can be changed to 128 g / m ² , it is possible to improve the printability (print efficiency and print quality) of the printer that prints the destination information and communication information.
In addition, the user (recipient) can easily create a reply postcard and the necessary information can be printed in advance by the printer. You can post by just writing.

Hereinafter, the pressure-sensitive adhesive sheet of the present invention will be described with reference to the drawings.
In the following description, the pressure-sensitive adhesive sheet of the present invention will be described using an example of a three-fold specification envelope foam.
FIG. 1 is a diagram for explaining an example of the pressure-sensitive adhesive sheet of the present invention, FIG. 2 is a diagram for explaining the procedure of personal information printing, envelope processing, sending, and opening of an envelope form, FIG. FIG. 4 is a diagram for explaining the section e of FIG. 2, FIG. 4 is a diagram for explaining a section taken along the line AA in FIG. 1, and FIG. 5 is a section for explaining the section taken along the line BB in FIG. FIG. 6 is a diagram for explaining another example of the pressure-sensitive adhesive sheet of the present invention, FIG. 7 is a diagram for explaining a cross section taken along the line CC of FIG. 6, and FIG. It is a figure for demonstrating an example of a pressure bonding sheet.

An example of the pressure-sensitive adhesive sheet of the present invention will be described with reference to FIG.
In the state before the personal data of the three-fold specification envelope form (hereinafter referred to as envelope form) 1 shown in FIG. 1 is printed, the paper pieces A, B, and C are connected side by side as shown in FIG. However, it is in a state where a plurality of pieces are connected in the vertical direction by folding and cutting machines provided in the horizontal direction in a connected state.
Depending on the structure of the paper feed section and paper discharge section of the printer, the envelope form may be folded or wound.

The envelope foam 1 is formed with a feed hole 20 for conveying the envelope foam.
The feed hole 20 is used in an adhesive application device that applies an adhesive in a pattern, a printer that prints communication information, and a bag making device that is crimped and processed into an envelope after printing. The part in which the left and right feed holes 20 are formed is cut off by the bag making apparatus.
The slit portion 17 is a portion on which a mark is printed when the feeding hole 20 portion is cut off by the bag making apparatus.

Although not shown, on the front and back surfaces of the pieces of paper A, B, and C, in addition to the words relating to the use of envelopes, the words for explaining the printed communication information, the design including ruled lines and marks, etc. are printed. Is done.
In addition, although not shown, a peeling structure described later is formed on the front and back surfaces of the paper piece B.
The peeling structure is formed between the adhesive of the adhesive portions 11 and 12 formed on the front and back surfaces and the paper piece base material.
The peeling structure can be formed together with a printed pattern by a printing method such as “offset”, or can be formed as an independent pattern separately from the pattern.
After the above-described illustrations including words, ruled lines, marks, and the like are printed, perforation-like cuts (hereinafter simply referred to as “sewing machines”) are made in the folding-folded portions 13 and 14 in the same apparatus.
Further, although not shown in the drawing, a lateral folding sewing machine or an opening sewing machine is applied to the upper and lower sides of the paper pieces A, B, and C connected sideways, and feed holes 20 are formed on the left and right sides of the envelope foam.

The envelope foam on which the printing, folding-folded part sewing machine, opening sewing machine, and feed hole including the peeling structure are formed is sent to the adhesive application process, and the adhesive application of the front and back adhesive parts is performed by the adhesive application device.
The applied adhesive is dried in an adhesive application device and discharged in a folded state or a wound state.
The adhesive application pattern of the adhesive portion shown in the figure is considered in order to prevent blocking due to contact between the opposing adhesives when folded in a zigzag shape at the paper output portion.

Next, printing on the envelope form 1 by a printer will be described.
By using a printer, destination information and communication information are printed on the front and back of the envelope form or on one side (front side). In the case of a normal amount of information, only one side is printed.
A piece of paper A is a piece of paper that becomes the front surface of the envelope when it is turned into an envelope, on which a postal mark for mailing, a postal code description column, sender information, and the like are printed.
When the envelope is delivered by a courier, a courier name, a logo mark, etc. are printed.
On the back side of the piece of paper A, common information from the sender to the recipient is printed.
Also, address information such as the address and name of the recipient is printed by the printer.

The piece of paper B is a piece of paper stored inside the envelope when it becomes an envelope. In the case of single-sided printing, communication information such as personal information is printed on the print side of the piece of paper B and the piece of paper C.
When the envelope form 1 includes a postcard for reply, the paper piece B is a postcard in the present invention.
On the front and back of the piece of paper B, a postcard layout is applied, and necessary words and marks are printed.

The back surface of the paper piece C is subjected to a camouflage pattern or “solid printing” with colored ink so that the communication information printed on the printing surface of the paper piece C cannot be seen through.
In some cases, sender information such as a company name, a company location, a telephone number, and the like is printed.

With reference to FIG. 2, the procedure from personal information printing, envelope processing, sending, and opening of an envelope form will be described.
FIG. 2A shows a state where one unit of the envelope form is unfolded until the printing described in FIG. 1 and the adhesive application processing are completed and the personal information printing by the printer is completed.
FIG. b shows a state of being folded in three by the bag making apparatus.
FIG. c shows a state in which the feed hole forming part is removed by the slit in the slit part in the same apparatus after being folded in three by the bag making apparatus and is pressure-bonded by the pressure roller, and is separated into one unit envelope. .

The envelope is sent in the state shown in FIG. 2c and delivered to a delivery destination (not shown) printed on the piece of paper A.
As shown in FIG. d, the recipient opens the envelope at the opening portion (not shown) of the envelope.
The opened envelope returns to the state before being applied to the bag making apparatus, but as shown in FIG. E, the adhesive formed on the adhesive portion of the paper piece B moves to the adhesive portion of the paper piece C, and the peeling structure Only remains.
Although not shown, the adhesive formed on the adhesive part on the back of the paper piece B moves to the adhesive part of the paper piece A, leaving only the peeling structure.

The e diagram of FIG. 2 will be described with reference to FIG.
As described in FIG. 2, the adhesive (not shown) formed on the adhesive portion of the front surface of the paper piece B of the envelope form 1 moves to the adhesive portion 11 of the paper piece C, and the paper piece B has a peeling structure. Only (not shown) is left. Further, the adhesive (not shown) formed on the adhesive portion on the back of the paper piece B moves to the adhesive portion 12 of the paper piece A, and only the peeling structure (not shown) is left on the back side of the paper piece B.
As a result, both surfaces of the paper piece B are in a state where no trace of adhesive remains.

In addition, a postal mark for mailing, a postal code description column, sender information, and the like are printed on one side of the front and back sides of the paper piece B when a home delivery company delivers the mark.
In the lower half area of the front side (print side) of the piece of paper B, it is possible to provide a message entry field from the recipient, and in part, the name, customer code, address information of the recipient by the printer Etc. are printed. Further, a part of the message description column, a postal mark for sending, a postal code description frame, a postal code, address information of the recipient (sender until opened), and the like are printed.

With reference to FIG. 4, the AA line cross section of FIG. 1 is demonstrated.
As described with reference to FIG. 1, the envelope form 1 has paper pieces A, B, and C connected sideways, and a scheduled folding portion 13 is formed at the boundary between the paper pieces A and B.
A sewing machine is applied to the planned folding portion 13.
Similarly, a scheduled folding portion 14 is formed at the boundary between the paper piece B and the paper piece C, and the scheduled folding portion 14 is subjected to a sewing machine.
A peeling structure 15 is formed on the front surface of the base material of the paper piece B, and an adhesive portion 11 is formed on the surface on which the peeling structure 15 is formed.
A peeling structure 16 is formed on the back surface of the base material of the paper piece B, and an adhesive portion 12 is formed on the surface on which the peeling structure 16 is formed.
The peeling structures 15 and 16 may be included in a printed pattern, or the peeling structure pattern may be provided as an independent pattern.
When the peeling structure is included in the printed pattern, the partial unevenness due to the peeling structure formation as shown in the figure does not occur.
Note that the adhesive formed on the adhesive portion 12 on the back surface of the paper piece A and the adhesive formed on the adhesive portion 11 on the front surface of the paper piece C are formed without a peeling structure.

With reference to FIG. 5, the BB line cross section of FIG. 3 is demonstrated.
The cross section of the envelope form 1 shown in FIG. 5 shows a state in which the envelope form 1 described in FIG. 4 is expanded into paper pieces A, B, and C connected again after being made into an envelope.
On the boundary between the paper piece A and the paper piece B and on the boundary between the paper piece B and the paper piece C, the folding portions 13 and 14 are formed, respectively, and the folding portions 13 and 14 are machined.
Peeling structures 15 and 16 are formed on the front and back surfaces of the paper piece B.
The peeling structures 15 and 16 may be included in a printed pattern or may be provided independently as a peeling structure pattern.
As described with reference to FIG. 4, when the peeling structure is included in the printed design, the partial unevenness due to the peeling structure formation as shown in the figure does not occur.
The adhesive 11 formed on the peeling structure 15 of the paper piece B moves to the adhesive portion of the paper piece C, and the adhesive 11 is in a double state.
Further, the adhesive 12 formed on the peeling structure 16 on the back of the paper piece B moves to the adhesive portion of the paper piece A, and the adhesive 12 is in a double state.
Accordingly, the maximum size of the postcard can be applied to the paper piece B because the short side size of the envelope can be used as it is for the short side size of the postcard.

With reference to FIG. 6, another example of the pressure-sensitive adhesive sheet of the present invention will be described.
In the envelope form shown in FIG. 6, the size of each piece of paper A, B, C of the envelope form satisfies the standard of the first type of standard mail, and when the B 'paper piece is cut out as a postcard, In this example, the size is set to satisfy the standard of a normal postcard (“long side 14 cm × short side 9 cm” or more, “long side 15.4 cm × short side 10.7 cm” or less).
The recipient who has received the sealed letter made according to the above specifications cuts the short side adhesive part with the opening sewing machines y1 and y2 in a state where the A paper piece, the B paper piece, and the C paper piece are laminated in three layers. The adhesive part of the opening part of a long side part is cut off by the opening sewing machine part t2 applied to.
The opening sewing portion t2 formed on the A paper piece, the opening sewing portion t3 formed on the B paper piece, and the opening sewing portion t6 formed on the C paper piece are in the same position when the envelope is formed.
Therefore, when opening with the vertical opening sewing machine part t2, the opening sewing machine part t3 and the opening sewing machine part t6 are also cut off at the same time, so that the paper pieces ABC are bound together by the folding part 14.
The postcard part B ′ is made independent by cutting with a sewing machine formed in the folding part 14.

With reference to FIG. 7, a cross section taken along the line CC in FIG. 6 will be described.
In the envelope form 1, paper pieces A, B, and C are laterally connected, and folding portions 13 and 14 are formed at the boundaries between the paper pieces. The folding scheduled portion 13 is provided with a sewing machine for folding and opening.
An adhesive portion 11 is formed on the front surface (upper surface) of the base material of the paper pieces B and C.
Also, an adhesive portion 12 is formed on the back surface of the paper piece A, a peeling structure 16 is formed on the back surface of the paper piece B, and an adhesive portion 12 is formed on the top thereof.
Opening sewing machines t2 and t3 are formed on the left and right sides of the planned folding portion 13, and an opening sewing machine t6 is formed on the right end of the C paper piece.
When forming an envelope, the adhesive portion 12 of the paper piece A and the adhesive portion 12 of the paper piece B are made to face each other, the adhesive portion 11 of the paper piece B and the adhesive portion 11 of the paper piece C are made to face each other, and the respective adhesives are adhered.
The specifications for cutting off the three sides and opening them are used in fields that require a booklet form.
In the example shown in FIG. 7 as well, the adhesive 12 does not remain on the central paper piece B as described with reference to FIG.

  In the case of this example, unlike the case described with reference to FIG. 5, the size of the paper piece A, “B ′ + α”, C is set to the maximum size of the first type regular mail (long side 23.5 cm × short side 12 cm). By setting the width α of the portion discarded at the time of opening to 1.3 cm or less, it is possible to incorporate a postcard of the maximum width of the second type mail standard.

With reference to FIG. 8, an example of use of a conventional pressure-sensitive adhesive sheet will be described.
FIG. 8 shows an example of a tri-fold envelope including a reply “postcard (D)”. The recipient who has received the tri-fold envelope shown in FIG. 8 cuts and opens along the open and closed sewing machines t1 (t4, t5), t2 (t3, t6), y1, y2.
The size of the piece of paper A, “D + β”, C is the maximum size of the first-class standard mail (long side: 23.5 cm × short side: 12 cm), and the total β of the parts discarded when opened is 3 cm or less. The “postcard D” shown in FIG.

  3 and FIG. 6 and the envelope envelope form described in FIG. 8 clearly show that the specifications described in FIG. 3 and FIG. 6 are preferable in terms of cost and resource saving.

(material)
The material used as the envelope substrate is selected from high-quality paper, kraft paper, coated paper, etc. having foam suitability and print suitability.
The paper weight is selected to be a paper having a basis weight of 128 g / m ² or more.
As the printing ink, an ultraviolet curable commercial ink is used.
As the material used for the peeling structure, the above-mentioned ultraviolet curable ink, for example, a medium of “UP-200” and “UP-2” manufactured by T & K TOKA Co., Ltd. with a small amount of silicone oil added. Or, a small amount of silicone acrylate is used. The pattern may be extended to form a peeling structure, or may be formed in a pattern alone.
The adhesive is compatible with the pressure sensitive adhesive agent in a composition in which an inorganic filler is added at a ratio of 5 parts by weight to 100 parts by weight with respect to 100 parts by weight of the pressure sensitive adhesive agent as disclosed in JP-A-8-176526. A publicly known adhesive to which acid-modified polyvinyl alcohol having no water content is added in a proportion of 3 to 21% by weight is used.

  INDUSTRIAL APPLICABILITY The present invention can be used for envelopes for sending using pressure-sensitive adhesives, such as envelope forms containing postcards, bill forms containing postcards, and the like.

It is a figure for demonstrating an example of the pressure sensitive adhesive sheet of this invention. It is a figure for demonstrating the procedure to personal information printing of an envelope form, envelope processing, sending, and opening. It is a figure for demonstrating e figure of FIG. It is a figure for demonstrating the AA line cross section of FIG. It is a figure for demonstrating the BB sectional view of FIG. It is a figure for demonstrating other examples of the pressure sensitive adhesive sheet of this invention. It is a figure for demonstrating the CC sectional view taken on the line of FIG. It is a figure for demonstrating an example of the conventional pressure sensitive adhesive sheet.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Envelope form 11 Front surface adhesion part 12 Back surface adhesion part 13,14 Folding plan part 15,16 Peeling structure formation part 17 Slit part 20 Feeding hole y1, y2 Opening sewing machine part (horizontal)
t1, t2, t3, t4, t5, t6 Unsealed sewing machine part (vertical)

Claims (3)

A plurality of paper pieces formed with an adhesive part are connected at the folding and separating part, predetermined information including personal information is printed, the paper pieces are folded at the folding part, and are crimped at the adhesive part, and sent and then bonded. It is a pressure sensitive adhesive sheet used by being peeled off from the part,
A peeling structure is formed on one side of the opposing surface that is folded and inside, and a pressure sensitive adhesive is formed at least partially on each opposing surface,
At the time of crimping, the pressure-sensitive adhesive formed on the opposing part is bonded together,
A pressure-sensitive adhesive sheet, which is peeled off by a pressure-sensitive adhesive and a peeling structure forming portion when peeled off. In the pressure sensitive adhesive sheet according to claim 1,
The pressure-sensitive adhesive sheet is a three-fold pressure-sensitive adhesive sheet for envelopes, and the release structure is formed on the front and back of a central piece of paper. In the pressure-sensitive adhesive sheet according to claim 2,
When the pressure-sensitive adhesive sheet for a three-fold envelope is peeled off and the central paper piece is cut off at the cutting portion, the central paper piece is sized to meet the standard of the postcard. Pressure adhesive sheet.

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