JP5882032B2 - Envelope manufacturing method - Google Patents

Description

  The present invention relates to an envelope manufacturing method, and more particularly, to a one-side-opening envelope manufacturing method including an envelope upper paper and an envelope lower paper.

  2. Description of the Related Art Conventionally, various configurations have been known for a single-sided opening type envelope made of an envelope upper paper and an envelope lower paper (Patent Documents 1 and 2). In addition, various methods for manufacturing this one-side-opening type envelope are also known. Adhesive is applied to one overlapping surface on the overlapping surface side of the envelope upper paper and the envelope lower paper which are separately formed. In general, a release agent is applied to the overlapping surface of the other sealing portion separately (see Patent Document 2 and FIG. 4).

Japanese Patent Laid-Open No. 10-147345 Japanese Utility Model Publication No. 53-083306

  However, according to the conventional manufacturing method described above, since the adhesive is applied to one side and the release agent is separately applied to the other sealing portion on the overlapping surface side of the envelope upper paper and the envelope lower paper, Adhesive application mechanism and release agent application mechanism must be provided separately for paper and envelope lower paper, respectively, and the manufacturing equipment is enlarged, and each application process is performed as a separate process, which is not efficient. There is an inconvenience. An object of this invention is to provide the manufacturing method of the envelope of the one side opening type which eliminated such inconvenience.

  In order to achieve this object, the envelope manufacturing method according to claim 1 of the present invention includes a three-periphery of the overlapping portion of the unit envelope lower paper having an overlapping portion, a sealing piece portion, and a peeling portion, and the sealing piece portion. Applying an adhesive and applying a release agent to the peeling portion, and applying the unit envelope upper paper having the same size as the overlapping portion of the unit envelope lower paper on the overlapping portion to be applied to the three peripheral edges. A bonding step of bonding each other with the adhesive, a sealing piece forming step of folding the peeling portion on the sealing piece portion and using the boundary between the sealing piece portion and the peeling portion as a folding portion, and releasably bonding, and the sealing This comprises a folding part removing step of cutting and removing the folding part at the boundary between the one part and the peeling part.

  Moreover, the envelope manufacturing method according to claim 2 of the present invention for achieving the above object is also provided under the continuous envelope in which the unit envelope lower paper forming portion having the overlapping portion, the sealing piece portion, and the peeling portion is in a continuous state. An application step of applying an adhesive to the three peripheral edges of each overlapping portion and each sealing piece in the unit envelope lower paper forming portion of paper, and applying a release agent to the release portion, and forming the unit envelope lower paper A continuous envelope upper paper having a unit envelope upper paper forming portion that is the same size as the overlapping portion of the overlapping portion is overlaid on the continuous envelope lower paper so as to correspond to the overlapping portion, and each of the overlaps with the adhesive at the three peripheral edges. Adhesion process for bonding at the three peripheral edges of the mating part and each unit envelope upper paper forming part, and the separation part can be folded over the sealing piece part with the boundary between the sealing piece part and the peeling part as a folding part. The sealing piece forming step to be bonded, the sealing piece part and the peeling part A folding portion removing step of cutting and removing the folded portion of the one in which a continuous envelope Ueshi continuous envelope under sheet made of a unit envelope forming step of cutting each unit envelope forming unit.

  Furthermore, the envelope manufacturing method according to claim 3 of the present invention for achieving the above-mentioned object is the same as that of the continuous envelope lower paper in which the unit envelope lower paper forming portion having the overlapping portion and the sealing piece portion is in a continuous state. Adhesive application step of applying an adhesive to the three peripheral edges of each overlapping portion and each sealing piece portion in each unit envelope lower paper forming portion, and the same size as the unit envelope lower paper forming portion and the sealing piece portion and the folding portion A release agent coating step for applying a release agent to the release portion of the continuous envelope upper paper in which the unit envelope upper paper forming portion having a release portion connected through the continuous envelope is in a continuous state, and the continuous envelope lower paper on the continuous envelope The paper is folded at the folding portion, and adhered by the adhesive at the three peripheral edges excluding the overlapping portion of each unit envelope lower paper forming portion and the peeling portion of each unit envelope upper paper forming portion, and the sealing piece portion And an adhesion process for releasably adhering the peeling part, A sealing piece forming step of forming a slit along the opposite side of the folding portion of the peeling portion on the continuous envelope upper paper; and a folding portion removing step of cutting and removing the folding portion at the boundary between the sealing piece portion and the peeling portion; The unit envelope forming step of cutting the continuous envelope lower sheet and the continuous envelope upper sheet for each unit envelope forming part.

  According to the envelope manufacturing method according to claim 1 of the present invention, a single-sided opening type envelope can be easily manufactured by superimposing and bonding the envelope upper paper and the envelope lower paper in a unit state. In the case of forming the wrapping part, the peeled part formed on the envelope lower sheet is folded on the sealed piece part, and then the folded part is cut and removed, so that when the separate sealed piece part and the peeled part are bonded together Compared to each other, accurate overlay is possible, there is no trouble at the time of feeding due to the difference in level and the feeding can be performed smoothly and surely. Since the coating is performed on the same surface, the coating operation can be performed in the same process, and there is an effect that it is simple and efficient.

  According to the envelope manufacturing method according to claim 2 of the present invention, it is possible to easily manufacture a one-side-opening envelope by superposing and bonding separate envelope upper paper and envelope lower paper in a continuous state. In the formation of the sealing piece, the separation part formed on the envelope lower sheet is folded on the sealing piece part, and then the folding part is cut and removed, so that the separate sealing piece part and the separation part are bonded. Compared with the case where it is possible to perform accurate overlaying, there is no trouble at the time of feeding due to the difference in level and the feeding can be performed smoothly, and the adhesive and release agent can be used. Since the coating is performed on the same surface of the envelope lower paper, the coating operation can be performed in the same process, which is advantageous in that it is simple and efficient.

  According to the envelope manufacturing method according to claim 3 of the present invention, it is possible to easily manufacture an envelope of one side opening type by folding and bonding the integral envelope upper paper and the envelope lower paper in a continuous state, When forming the sealing piece, it is formed by folding and peeling the integral peeling part to the sealing piece part, and then cutting and removing the folded part, compared with the case where the separate sealing piece part and the peeling part are bonded. Accurate stacking is possible, there is no trouble at the time of feeding due to a difference in level, and smooth and reliable feeding work can be performed. Since the coating is applied to the surface, the coating operation can be performed in the same process, which is advantageous in that it is simple and efficient.

Explanatory drawing which shows the state of the paper in the manufacturing process of 1st Embodiment. Sectional drawing of the envelope manufactured similarly. Explanatory drawing which shows the usage method of the envelope manufactured similarly. Explanatory drawing which shows the manufacturing process from the application | coating process of 2nd Embodiment to a unit envelope formation process. Explanatory drawing which similarly shows the state of the paper in a sealing piece formation process from an application | coating process. Explanatory drawing which shows the manufacturing process from the adhesive agent application process of 3rd Embodiment to a unit envelope formation process. Explanatory drawing which similarly shows the state of the paper in an adhesive agent coating process to a sealing piece formation process.

  First, the manufacturing method of 1st Embodiment of this invention is demonstrated. As shown in FIG. 1, the first embodiment is the same size as the unit envelope lower paper 1 having the overlapping portion 1a, the sealing piece portion 1b, and the peeling portion 1c, and the overlapping portion 1a of the unit envelope lower paper 1. A single-sided opening type envelope 3 (see FIG. 2) is manufactured from the unit envelope upper paper 2.

  First, for example, a pressure-sensitive adhesive 4a is applied to the three peripheral edges of the overlapping portion 1a of the unit envelope lower paper 1 by a known application device (not shown), and the pressure-sensitive adhesive is applied to the sealing piece 1b, for example. 4b is applied, and an application step of applying the release agent 5 to the peeling portion 1c is performed. Subsequently, the unit envelope upper paper 2 having the same size as the overlapping portion 1a of the unit envelope lower sheet 1 is overlapped on the overlapping portion 1a, and is crimped by a pair of upper and lower pressure rollers (not shown), A bonding process is performed in which the adhesive 4a is applied to each other. In the bonding step, the adhesive 4b is applied to the sealing piece portion 1b and the release agent 5 is applied to the peeling portion 1c, following the application of the adhesive 4a to the overlapping portion 1a. It may be done in the previous stage.

  Subsequently, the peeling part 1c is folded on the sealing piece part 1b with the boundary between the sealing piece part 1b and the peeling part 1c as a folding part 6 by a known folding device (not shown), and the adhesive 4b and the release agent 5 are overlapped. The sealing piece formation process which adhere | attaches so that peeling is possible is performed. Subsequently, the opening 7 is formed by performing a fold removal process by cutting and removing the fold 6 at the boundary between the sealing piece 1b and the peeling portion 1c with a known slitter (not shown). The envelope 3 is provided.

  As shown in FIG. 2, the envelope 3 manufactured as described above includes a desired container (not shown), such as letters and various small articles such as parts, from the opening portion 7 and the envelope lower sheet 1 and the envelope. It can be inserted into the accommodation space 8 between the upper paper 2. When using the envelope 3, after inserting the contents into the accommodation space 8, as shown in FIG. 3, the peeling portion 1 c is peeled from the sealing piece portion 1 b to expose the adhesive 4 b, and then the sealing piece portion 1b is folded back on the envelope top paper 2 and bonded with the adhesive 4b to form a sealed state.

  Next, based on FIG.4 and FIG.5, 2nd Embodiment is described. In the second embodiment, a continuous envelope lower paper 11 in which a unit envelope lower paper forming portion 11d having an overlapping portion 11a, a sealing piece portion 11b, and a peeling portion 11c is in a continuous state, and the continuous envelope lower paper 11 are separate. A single-sided envelope (see FIG. 2) is manufactured from the continuous envelope upper paper 12 in which the unit envelope upper paper forming portion 12d having the same size as the overlapping portion 11a of the unit envelope lower paper forming portion 11d is continuous. To do.

  As shown in FIG. 4 and FIG. 5, first, the roll-shaped continuous envelope lower sheet 11 is pulled out and transferred, and the three overlapping sections 11 a in each unit envelope lower sheet forming section 11 d by the known coating apparatus 101 are transferred. An adhesive 14a is applied to the periphery, an adhesive 14b is applied to each sealing piece 11b, and an application process is applied to apply the release agent 15 to the release portion 11c. Next, while the roll-shaped continuous envelope upper paper 12 is pulled out and transferred, the continuous envelope upper paper 12 is overlapped so as to correspond to each overlapping portion 11a of the continuous envelope lower paper 11, and the adhesive 14a on the three peripheral edges is stacked. Then, an adhering step is performed in which each of the overlapping portions 11a of each unit envelope lower paper forming portion 11d and the unit envelope upper paper forming portion 12d are adhered at the three peripheral edges.

  Subsequently, with the known folding device 102, the boundary between the sealing piece part 11b and the peeling part 11c can be folded at the folding part 16, and the peeling part 11c can be folded over the sealing piece part 11b and peeled by the adhesive 14b and the peeling agent 15 The sealing piece formation process to adhere | attach is given. Thereby, the opening 17 is formed. Subsequently, a folding portion removing step is performed by cutting and removing the folding portion 16 at the boundary between the sealing piece portion 11b and the peeling portion 11c by a known slitter (not shown). Thereafter, a unit envelope forming step is performed by cutting the continuous envelope lower paper 11 and the continuous envelope upper paper 12 for each unit envelope forming portion 11d, 12d by a known roll cutter 103 to obtain an envelope (see FIG. 2). is there. In the fold removal step, the end on the opposite side as well as the fold may be cut and removed. Moreover, you may reverse the order which this folding part removal process and the said unit envelope formation process perform.

  Since the usage method of the envelope manufactured in this way is the same as that of the envelope 3 of the first embodiment described above, the description thereof is omitted.

  Next, a third embodiment will be described based on FIGS. In the third embodiment, the continuous envelope lower paper 21 in which the unit envelope lower paper forming portion 21d having the overlapping portion 21a and the sealing piece portion 21b is in a continuous state is connected via the sealing piece portion 21b and the folding portion 26. A one-side-opening envelope (see FIG. 2) is manufactured from the continuous envelope upper paper 22 in which the unit envelope upper paper forming portion 21d having the same size as the unit envelope lower paper forming portion 21d having the peeling portion 22c to be continuous is formed. Is. As described above, the continuous envelope lower paper 21 and the continuous envelope upper paper 22 in the present embodiment are connected in the width direction via the folding portion 26.

  As shown in FIG. 6 and FIG. 7, first, in a known coating apparatus 201, a roll-shaped continuous paper in which the continuous envelope lower paper 21 and the continuous envelope upper paper 22 are connected in the width direction is pulled out and transferred. Adhesive 24a is applied to the three peripheral edges of each overlapping portion 21a in each unit envelope lower paper forming portion 21d of the continuous envelope lower paper 21 by the adhesive application device 201a, and the adhesive 24b is applied to each sealing piece portion 21b. An agent coating process is performed. Continuing on, a release agent application step of applying the release agent 25 to the release portion 22c of the continuous envelope upper paper 22 is performed by the release agent application device 201b. Next, the continuous envelope upper paper 22 is folded on the continuous envelope lower paper 21 at the folding portion 26 by a known folding device 202, and each unit envelope lower paper forming portion 21d and each unit envelope on the adhesive envelope 24a. While adhering at the three peripheral edges of the paper forming portion 22d, an adhesion step is performed in which the sealing piece portion 21b and the peeling portion 22c are bonded by an adhesive 24b and a peeling agent 25 so as to be peelable.

  Subsequently, a sealing piece forming step of forming slits 27 along the peeling portion 22c only on the continuous envelope upper paper 22 by a known slitter 203 is performed. Subsequently, after performing a folding portion removing step of cutting and removing the folding portion 26 at the boundary between the sealing piece portion 21b and the peeling portion 22 with a known slitter (not shown), a continuous envelope is obtained with a known roll cutter 204. A unit envelope forming step of cutting the lower paper 21 and the continuous envelope upper paper 22 for each unit envelope forming portion 21d, 22d is performed to obtain an envelope (see FIG. 2). And the said slit 27 becomes an opening part of an envelope. In the fold removal step, the end on the opposite side as well as the fold may be cut and removed. Moreover, you may reverse the order which the said folding part removal process and the said unit envelope formation process perform.

  Since the usage method of the envelope manufactured in this way is the same as that of the envelope 3 of the first embodiment described above, the description thereof is omitted.

  The present invention is not limited to the above-described embodiments. For example, at least one of each unit envelope upper paper 2 and each unit envelope lower paper 1, or each unit envelope upper paper forming unit 12d, 22d, and At least one of the unit envelope lower paper forming portions 11d and 21d is made of a transparent material so that the contents can be visually recognized from the outside. Similarly, at least one exposed surface is used as a printing surface, and address information and contents Various information such as the above may be printed. In the third embodiment, the width of the slit 27 forming the opening can be appropriately set according to the application. Similarly, in the first and second embodiments, the leading edge of the unit envelope lower paper 1 or the unit envelope lower paper forming portion 11d forming the opening portions 7 and 17 after being folded, and the unit envelope. The size of the interval between the upper edges of the upper paper 2 or the unit envelope upper paper forming portion 12d can also be appropriately set according to the application.

DESCRIPTION OF SYMBOLS 1 Unit envelope lower paper 2 Unit envelope upper paper 3 Envelope 11,21 Continuous envelope lower paper 11d, 21d Unit envelope lower paper formation part 12,22 Continuous envelope upper paper 12d, 22d Unit envelope upper paper formation part 1a, 11a, 21a Stack Matching part 1b, 11b, 21b Sealing piece part 1c, 11c, 22c Peeling part 4a, 4b, 14a, 14b, 24a, 24b Adhesive 5,15,25 Peeling agent 6,16,26 Folding part 7,17 Opening part 27 slit

Claims (3)

An application step of applying an adhesive to the three peripheral edges of the overlapping portion and the sealing piece portion of the unit envelope lower paper having an overlapping portion, a sealing piece portion, and a peeling portion, and applying a release agent to the peeling portion; A bonding step in which a unit envelope upper paper having the same size as the overlapping portion of the unit envelope lower paper is overlapped on the overlapping portion and adhered to each other with an adhesive applied to the three peripheral edges; and the sealing piece portion and the peeling portion A sealing piece forming step in which the peeling portion is folded over the sealing piece portion and bonded in a peelable manner with a boundary as a folding portion, and a folding portion removing step in which the folding portion at the boundary between the sealing piece portion and the peeling portion is cut and removed An envelope manufacturing method comprising: To the three peripheral edge and the sealing strip of the overlapping portions of the overlapping portions and the sealing piece and the respective unit envelope under sheet forming part of the continuous envelope under sheet unit envelopes under sheet forming part is in a continuous state with the peeling section A continuous envelope upper paper in which an application step of applying an adhesive and applying a release agent to the peeling portion and a unit envelope upper paper forming portion having the same size as the overlapping portion of the unit envelope lower paper forming portion are in a continuous state An adhesive step of superimposing the sheet on a continuous envelope lower sheet so as to correspond to the overlapping part, and adhering at the three peripheral edges of each overlapping part and each unit envelope upper paper forming part with an adhesive on the three peripheral edges, and the sealing piece part And a sealing piece forming step of folding the peeling part on the sealing piece part and bonding the peeling part in a peelable manner with the boundary of the peeling part as a folding part, and cutting and removing the folding part at the boundary between the sealing piece part and the peeling part Fold part removal process, continuous envelope lower paper and continuous envelope upper paper each unit Method for producing an envelope, characterized in that it consists of a unit envelope forming step of cutting each cylinder components. The unit envelope lower paper forming part having the overlapping part and the sealing piece part has an adhesive on the three peripheral edges of each overlapping part and each sealing piece part of the unit envelope lower paper forming part of the continuous envelope lower paper in a continuous state. A continuous envelope top paper having a continuous unit envelope top paper forming portion having a peeling portion that is the same size as the unit envelope bottom paper forming portion and is connected to the sealing piece portion via a folding portion. A release agent application step of applying a release agent to the release portion of the sheet, and an overlapping portion of each unit envelope lower paper forming portion by the adhesive by folding the continuous envelope upper paper on the continuous envelope lower paper at the folding portion. And an adhesive step for adhering the sealing piece part and the peeling part so as to be peelable, and a folding part of the peeling part on the continuous envelope paper. Sealing piece forming process to form a slit along the opposite side A folding portion removing step of cutting and removing the folded portion at the boundary between the sealing piece portion and the peeling portion, and a unit envelope forming step of cutting the continuous envelope lower paper and the continuous envelope upper paper for each unit envelope forming portion. An envelope manufacturing method characterized by comprising:

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