JPH09154879A - Packaging structure for absorptive article - Google Patents

Abstract

PROBLEM TO BE SOLVED: To efficiently package absorptive articles, and easily and quietly take out the absorptive articles, regarding an absorptive article packaging structure for separately packaging absorptive articles having liquid permeable skin-contact surface, liquid impermeable non-skin contact surface and an absorbing part capable of retaining liquid. SOLUTION: Regarding a sheet type packaging material 11 having a release treatment part on one side, the non-skin contact surface of an absorptive article 10 is sticked to the release treatment part via an adhesive 12. Furthermore, the packaging material 11 is folded double with the absorptive article 10 kept inside, and the opposed peripheral ends of the folded packaging material 11 are sealed via a cord or thread type opening means 13, so as to be capable of being opened. Also, one end of the opening means 13 is exposed to the external side of the packaging material 11, and forms a knob part 13a.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an absorbent article packaging structure in which absorbent articles such as sanitary napkins and sheets of vouchers are individually packaged, and more specifically, absorbent articles can be efficiently individually packaged. The present invention relates to a packaging structure for absorbent articles that can be easily and gently taken out and used.

[0002]

2. Description of the Related Art Conventionally, as a packaging structure of an absorbent article in which absorbent articles such as sanitary napkins and sheets of voucher are individually packaged, FIG.
And the one shown in FIG. 9 are known. That is, in the absorbent article packaging structure 101 shown in FIG. 8, an absorbent article 110 having an adhesive portion (not shown) for preventing misalignment has a release paper 114 attached to the adhesive portion (not shown) and A bag-shaped packaging material 111 in a state of being folded in three.
It is stored in. Perforations 111a are formed near one side edge of one side of the packaging material 111. In this absorbent article packaging structure 101, a perforation 111 of a packaging material 111 is used.
The absorbent article 110 is taken out by breaking a and the release paper 114 is released from the adhesive section (not shown) while being developed in a plane, and the absorbent article 110 is mounted.

In an absorbent article packaging structure 201 shown in FIG. 9, an absorbent article 210 is attached to a sheet-like packaging material 211 having a release treatment applied inside by an adhesive (not shown), Both sides 211a of the packaging material 211 are heat-sealed in a state of being folded in three together with the absorbent article 210. Further, the end portion 211b exposed on the outer peripheral surface is detachably fastened to the outer peripheral surface by a tab tape 213. In this absorbent article packaging structure 201, the tab tape 213 is pulled to open both side portions 211a to expand the packaging material 211, and the exposed absorbent article 210 is peeled from the packaging material 211 together with an adhesive (not shown). And put it on.

However, the conventional packaging structure for absorbent articles as described above has the following problems. That is, in the absorbent article packaging structure 101 as shown in FIG. 8, the perforation 111a is broken, the absorbent article 110 is taken out from the formed opening, the absorbent article 110 is unfolded, and the release paper It requires four steps of stripping 114. Further, since the packaging material 111 is in the shape of a bag, it is difficult to take out the absorbent article 110, and it is also difficult to package the absorbent article after use. Further, it takes time and effort to discard the release paper. On the other hand, the packaging structure 2 for the absorbent article as shown in FIG.
01 has the advantage that the packaging material 211 can be opened and the absorbent article 210 can be developed at the same time, and the release paper need not be peeled off or discarded, but the heat sealing process takes time and the efficiency of the packaging process is poor. . In addition, the sound of peeling off the heat-sealed both side portions 211a when opening is annoying.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a packaging structure for absorbent articles which allows efficient and individual packaging of the absorbent articles and which can be easily and quietly taken out and used.

[0006]

According to the present invention, an absorbent article having a liquid-permeable skin-contacting surface, a liquid-impermeable non-skin-contacting surface, and a liquid-retaining absorbent portion is individually packaged. In the packaging structure of the absorbent article described above, the absorbent article is attached to the release-treated portion of a sheet-like packaging material having a release-treated portion on one surface via an adhesive, and the packaging material is the absorbent material. The article is folded inside in two, and the folded peripheral edges of the packaging material that face each other are openably sealed via a string-shaped or thread-shaped opening means, and one end of the opening means is The above object is achieved by providing a packaging structure for an absorbent article, which is exposed to the outside of the packaging material to form a knob.

According to the present invention, an absorbent article having a liquid-permeable skin-contacting surface, a liquid-impermeable non-skin-contacting surface, and a liquid-retaining absorbent portion is individually packaged. In the structure, the absorbent article is attached to the release-treated portion of a sheet-shaped packaging material having a release-treated portion on one surface via an adhesive, and the packaging material is wound with the absorbent article inside. Between the edge exposed on the peripheral surface of the wound and wound packaging material and the inner facing portion of the edge, a wrapping or thread-like opening means is used to openably seal the opening. The above object is achieved by providing a packaging structure for an absorbent article, wherein one end of the means is exposed to the outside of the sealed packaging material to form a knob. .

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment of a packaging structure for absorbent articles according to the present invention will be specifically described below with reference to the drawings. In addition, this embodiment is a packaging structure of an absorbent article in which a sanitary napkin which is an absorbent article is packaged. 1 is a perspective view showing a first embodiment of the absorbent article packaging structure of the present invention, FIG. 2 is a perspective view showing the absorbent article packaging structure of FIG. 1 in an expanded state, and FIG. FIG. 4 is a perspective view showing a state where the packaging structure of the absorbent article is opened, and FIG. 4 is a perspective view showing a state where the absorbent article after use is packaged by the packaging material of the packaging structure of the absorbent article of FIG. 1.

The absorbent article packaging structure 1 of the present embodiment is
An absorbent article (sanitary napkin) 10 having a liquid-permeable skin contact surface 10a, a liquid-impermeable non-skin contact surface (not shown), and a liquid-retaining absorbent portion (not shown) is provided. , Individually packaged. Then, as shown in FIG. 2, the non-skin contacting surface of the absorbent article 10 (the non-skin contacting surface ( The side (not shown) is adhered via an adhesive 12, and the packaging material 11 is folded in two with the absorbent article 10 inside as shown in FIG. The folded peripheral edges of the packaging material 11 are sealed so as to be capable of being opened via a string-shaped or thread-shaped opening means 13, and one end of the opening means 13 has the packaging material 11
Is exposed to the outside to form a knob 13a.

The present embodiment will be described in detail. The packaging material 11 is a substantially rectangular polyethylene film which is subjected to a peeling treatment to form a peeling treated surface 11a. The pressure-sensitive adhesive 12 is applied to the release treated surface 11a along the longitudinal direction of the packaging material 11, and the absorbent article 1
0 is attached to the packaging material 11 with the non-skin contacting surface (not shown) facing the packaging material 11 with the longitudinal direction facing the longitudinal direction of the packaging material 11 via the adhesive 12. There is.
The packaging material 11 is bent along the axis L in the width direction, and the absorbent article 10 attached to the packaging material 11 has a portion of the skin contacting surface 10a that is the front side when worn and the rear side when worn. Is in contact with.

The unsealing means 13 is made of cellulose fibers such as cotton or rayon or twisted yarns made of synthetic fibers such as polyethylene, polypropylene and polyester. And the adhesive portion 13b. Picking part 13a
Is arranged at the boundary with the adhesive portion 13b at the edge of the packaging material 11 on the axis L, and is exposed to the outside of the packaging material 11 from the edge. The adhesive portion 13b has a peripheral surface coated with an adhesive agent that exhibits weak adhesiveness at room temperature, for example, a hot-melt adhesive agent of a styrene-butadiene copolymer,
From the edge on the axis L to the other edge on the axis L by going between the peripheral edges of the packaging material 11 facing each other, and as a result, the peripheral edges of the packaging material 11 facing each other are hot-melt adhesive. It is sealed so that it can be opened. Picking part 1
One end 13c on the side opposite to 3a is fixed to the packaging material 11 by thermal adhesion or an adhesive at the other edge on the axis L. As a method of heat bonding, there is a method in which one end 13c is heated and pressure-bonded to the peeling treated surface 11a of the packaging material 11 by a heat-controllable point press roll to lightly melt and fix the peeling treated surface 11a. As a method of fixing, there is a method of adhering with an olefin-based or styrene-butadiene-based hot melt agent or the like that does not exhibit adhesive force at room temperature.

In the packaging structure 1 for absorbent articles of the present embodiment, when the knob 13a is picked and pulled, the hot melt adhesive is peeled off from the packing material 11 together with the opening means 13,
As shown in FIG. 3, the packaging material 11 is developed into a sheet shape and the entire absorbent article 10 is exposed. Only one end 13c of the unsealing means 13 is fixed to the packaging material 11. Then, when the absorbent article 10 is peeled off from the packaging material 11, the absorbent article 10 is peeled off together with the adhesive 12, and the absorbent article 10 having an adhesive portion formed by the adhesive 12 and the unsealing means 1
3 and the wrapped packaging material 11 are obtained. As shown in FIG. 4, the packaging material 11 can be discarded by storing the used absorbent article 10 ′ inside and winding it, and winding the unsealing means 13 around it.

As described above, according to the absorbent article packaging structure 1 of the present embodiment, the hot melt adhesive applied around the opening means 13 causes the peripheral edges of the folded packaging material 11 to face each other. Since the two are sealed so that they can be opened, the packaging material 11 can be opened only by a simple operation of pulling the knob 13a of the opening means 13. According to the packaging structure 1 for absorbent articles of the present embodiment, the packaging material 11 is opened by pulling the unsealing means 13 and peeling the hot melt adhesive from the packaging material 11, so that the packaging material 11 is fused by heat sealing. The packaging material 11 can be opened much quieter than opening the packaging material. According to the absorbent article packaging structure 1 of the present embodiment, the packaging material 11 is developed into a sheet shape, so that the entire absorbent article 10 is exposed and the absorbent article 10 can be easily taken out.
Further, the absorbent article 10 'after use can be easily packaged and discarded.

According to the packaging structure 1 of the absorbent article of the present embodiment, the packaging material 1 is made of a weakly adhesive hot melt adhesive.
Since 1 is sealed, the packaging material 11 can be opened with less force. Absorbent article packaging structure 1 of the present embodiment
According to the above, the absorbent article 1 is formed by forming the release-treated surface 11a on the packaging material 11 and interposing the adhesive 12 on the release-treated surface 11a.
Since 0 is adhered, a release paper is not required, and the absorbent article 10 having an adhesive portion can be taken out and used without peeling or discarding the release paper.

According to the absorbent article packaging structure 1 of the present embodiment, the absorbent article 10 and the packaging material 11 are folded in half at the same time, so that the packaging process is simple and the time required is short.
According to the absorbent article packaging structure 1 of the present embodiment, the packaging material 11 is sealed by the hot melt adhesive applied to the peripheral surface of the opening means 13, and the sealing strength is produced as in the conventional heat sealing method. Since it does not depend on the speed, the seal strength is constant regardless of the production speed, and high-speed processing is easily possible. According to the absorbent article packaging structure 1 of the present embodiment, the filamentous unsealing means 13 is wound around the packaging material 11 containing the absorbent article 10 'after use or the like so that the absorbent article can be easily disposed of. According to the absorbent article packaging structure 1 of the present embodiment, since the unsealing means 13 is fixed to the packaging material 11, the unsealing operation can be stably performed. Further, after the packaging material 11 is opened, the opening means 13 does not turn into dust, and the packaging material 11 stores the absorbent article 10 'after use.
The unsealing means 13 can be easily wrapped around, and the absorbent article 10 'after use can be more easily packaged and discarded.

Next, a second embodiment of the packaging structure for absorbent articles of the present invention will be specifically described with reference to the drawings.
In this embodiment, the same members as those in the packaging structure for the absorbent article according to the first embodiment shown in FIGS. 1 to 4 are designated by the same reference numerals, and the description thereof will be omitted. FIG. 5: is a top view which shows 2nd Embodiment of the packaging structure of the absorbent article of this invention.

In the absorbent article packaging structure 5 of the present embodiment, as shown in FIG. 5, the packaging material 51 is wound with the absorbent article 10 inside. The adhesive portion 53b of the unsealing means 53 is arranged along the periphery of the unsealing means 53, which is arranged between the edge 51a exposed on the peripheral surface of the wound packaging material 51 and the inner facing portion of the edge 51a. The applied hot-melt adhesive agent seals between the edge portion 51a and the inner facing portion of the edge portion 51a. The knob portion 53a of the unsealing means 53 is exposed from one side end of the wrapped packaging material 51, and one end 53c on the opposite side of the knob portion 53a is spotted on the packaging material 51. Both end portions of the wound packaging material 51 are
No treatment is required, and the hot melt adhesive may be used to collectively seal each side end into a linear shape, or to spirally seal mutually facing surfaces of each side end. Good. In the present embodiment, since one surface to be adhered is the release treated surface, even if a hot melt adhesive is applied and adhesively sealed, it can be easily opened. The configuration other than the above is similar to that of the above-described first embodiment. The packaging structure 5 of the absorbent article of the present embodiment can also obtain the same operation and effect as those of the first embodiment.

An example of the process for obtaining the packaging structure for absorbent articles according to the present invention will be described. As shown in FIG. 6, a packaging material roll R of a packaging material having one surface subjected to a peeling treatment.
1. The continuous band 21 of packaging material is pulled out, and the adhesive 12 is intermittently applied by the adhesive application device 31 perpendicularly to the traveling direction of the continuous band 21 of packaging material (step), and the absorbent 12 is applied to the adhesive 12. 10 is overlaid and attached from the non-skin contact surface side (step). Further, the unsealing means continuous body 23 is pulled out from the unsealing means roll R3, the hot melt adhesive is intermittently applied by the adhesive intermittent coating device 33, and the hot melt adhesive is adhered to the continuous packaging material band 21 to which the absorbent article 10 is attached (step ). At this time, in the unsealing means continuous body 23, as shown in FIG. 7, the adhesive application portion 23a to which the hot melt adhesive is applied has substantially the absorbent article 10 on one side 21a from the axis M of the packaging material continuous band 21. Enclosed in a U shape, the non-adhesive portion 23b to which the hot melt adhesive is not applied is the one side 21a.
From above, the absorbent articles 10 that are adjacent to each other on the opposite side 21b across the axis M are adhered so as to be folded back.

Subsequently, the continuous packaging material band 21 is folded in two along the axis M by the folding device 34 to individually seal each absorbent article 10 on the continuous packaging material band 21 (step),
The unsealing means continuous body 23 is spotted on the folded mountain of the folded packaging material continuous band 21 between the absorbent articles 10 by the spotting device 35 (step), and the packaging material continuous band 21 is rolled by the roller cutter 36. The packaging material continuous band 21 and the unsealing means continuous body 23 are cut on the rear side of the spotting portion when viewed from the traveling direction of (step) to obtain the packaging structure 1 of the absorbent article of the present embodiment.

The present invention is not limited to the above-described embodiment, and can be appropriately changed without departing from the gist of the present invention. For example, the peeling processing parts of the packaging materials 11 and 51 are
It is not limited to the one formed by peeling the one side of the packaging materials 11, 51, and may be formed by sticking the peeled sheet on one side of the packaging materials 11, 51. Further, the peeling treatment portion may not be formed on the entire one surface of the packaging materials 11 and 51, but may be formed intermittently only on the portion to which the adhesive is applied.

The opening means 13 and 53 are not particularly limited in shape, material and the like as long as they are string-shaped or thread-shaped, and may be formed of a flexible plastic film or the like. Further, the unsealing means 13 and 53 are not limited to those in which an adhesive is applied to the peripheral surface and the wrapping materials 11 and 51 are sealed with this adhesive, for example, instead of the unsealing means 13 in the above-described first embodiment. , A reinforcing material that is integrally formed with each of the opposing peripheral edge portions of the packaging material 11 via weakening lines, and that is provided with a reinforcing material that guides tearing between the peripheral edge portions and the weakening lines, and by pulling the knob portion, the packaging material May be separated from each of the peripheral portions of the above. Further, the opening means 13, 53
When the pressure-sensitive adhesive is applied to the peripheral surface of the packaging material, the pressure-sensitive adhesive is not limited to the hot-melt pressure-sensitive adhesive as long as it can seal between the peripheral edges of the packaging material that are opposed to each other. Further, the unsealing means 13, 53 have the ends 13c, 53c of the packaging material 1
It does not need to be fixed to 1,51.

The absorbent article 10 does not need to adhere to the packaging materials 11 and 51 in the expanded state, and for example, the front side portion which is the front side at the time of mounting is folded back with the skin contact surface 10a inside. The materials 11 and 51 may be attached via the adhesive 12 so as to be wrapped in the packaging materials 11 and 51 in a three-fold state. Further, the absorbent article 10 has the skin contact surface 1
0a, non-skin contact surface (not shown), and absorbing part (not shown)
May be formed substantially integrally. Packaging material 1
1, 51 is not limited to the above-mentioned polyethylene film, and paper or non-woven fabric that is polyethylene-laminated may be used. The packaging structure of the absorbent article of the present invention is not limited to the packaging of the sanitary napkin, but can be applied to the packaging of a vaginal sheet, an incontinent pad, or the like.

[0023]

As described above, according to the packaging structure for absorbent articles of the present invention, the absorbent articles can be efficiently individually packaged and can be taken out gently and used easily. Further, it is possible to easily package and discard the absorbent article after use by using the packaging material and the opening means after the absorbent article is taken out.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of a packaging structure for absorbent articles of the present invention.

FIG. 2 is a perspective view showing a developed state of the packaging structure for the absorbent article of FIG.

FIG. 3 is a perspective view showing a state in which the packaging structure for the absorbent article of FIG. 1 is opened.

FIG. 4 is a perspective view showing a state in which the absorbent article after use is packaged with the packaging material of the absorbent article packaging structure of FIG. 1.

FIG. 5 is a plan view showing a second embodiment of the packaging structure for absorbent articles of the present invention.

FIG. 6 is a process drawing showing a process of forming the packaging structure for the absorbent article of FIG.

7 is a plan view showing a state in which a continuous body of unsealing means is adhered to a continuous strip of packaging material in the process of FIG.

FIG. 8 is a plan view showing a packaging structure for a conventional absorbent article.

FIG. 9 is a plan view showing a packaging structure for a conventional absorbent article.

[Explanation of symbols]

 1 Packaging structure of absorbent article 5 Packaging structure of absorbent article 10 Absorbent article 10a Skin contact surface 11 Packaging material 11a Release treatment surface 12 Adhesive agent 13 Unsealing means 13a Picking portion 13b Adhesive portion 13c One end 21 Packaging material continuous band 21a One side 21b Opposite side 23 Opening means Continuation body 23a Adhesive applying part 23b Adhesive non applying part 31 Adhesive applying device 33 Adhesive intermittent applying device 34 Folding device 35 Pointer device 36 Roller cutter 51 Packaging material 51a Exposed on the peripheral surface Edge portion 53 Opening means 53a Picking portion 53b Adhesive portion 53c One end R1 Packaging material roll R3 Opening means roll

Claims (6)

[Claims] 1. An absorbent article having a liquid-permeable skin-contacting surface, a liquid-impermeable non-skin-contacting surface, and a liquid-retaining absorbent part,
In the packaging structure of individually packaged absorbent articles, the absorbent article is attached to the release-treated portion of a sheet-shaped packaging material having a release-treated portion on one side via an adhesive, and the packaging material is The absorbent article is folded in two with the absorbent article inside, and the peripheral edges of the folded packaging material that face each other are sealed so that they can be opened via a string-shaped or thread-shaped opening means. A packaging structure for absorbent articles, wherein one end is exposed to the outside of the packaging material to form a knob. 2. The unsealing means has an adhesive applied to the peripheral surface thereof, leaving the one end, and the peripheral edges of the packaging material facing each other are sealed with the adhesive. The packaging structure for absorbent articles according to claim 1, wherein: 3. The packaging material according to claim 1, wherein the other end of the opening means is fixed to the packaging material.
The packaging structure for absorbent articles according to. 4. An absorbent article having a liquid-permeable skin-contacting surface, a liquid-impermeable non-skin-contacting surface, and a liquid-retaining absorbent part,
In the packaging structure of individually packaged absorbent articles, the absorbent article is attached to the release-treated portion of a sheet-shaped packaging material having a release-treated portion on one side via an adhesive, and the packaging material is The absorbent article is wound inside, and the edge exposed on the peripheral surface of the wound packaging material and the inner facing portion of the edge are connected via a string-shaped or thread-shaped unsealing means. A packaging structure for absorbent articles, wherein the packaging means is openably sealed, and one end of the opening means is exposed to the outside of the sealed packaging material to form a knob. 5. The opening means has a peripheral surface thereof coated with an adhesive, leaving the one end, and the edge portion and the inner facing portion of the packaging material are sealed with the adhesive. The packaging structure for absorbent articles according to claim 4, wherein: 6. The method according to claim 4 or 5, wherein the other end of the opening means is fixed to the packaging material.
The packaging structure for absorbent articles according to any one of 1.