JP2008104544A - Package structure of absorbent article - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a package structure of an absorbent article to retain a hygienic state of the skin contact surface of the absorbent article without being soiled till the time to use. <P>SOLUTION: The package structure 10 of the sanitary napkin is for packaging the substantially oblong sanitary napkin 1 with an absorbent body 1d with two release material sheets 15a and 15c whose one side is releasable. The absorbent body 1d has skin-side adhesive parts 5a and 5c on the skin contact side, and has no adhesive part on the non-contact side. One side surface of the release material sheet 15a or 15c is releasably stuck to the skin side adhesive part 5a or 5c. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a packaging structure for absorbent articles.

  Conventionally, absorbent articles such as sanitary napkins have been provided individually packaged so that the sanitary state can be maintained until use. The main purpose of this packaging is to prevent dirt and the like from adhering to the skin contact surface of the sanitary napkin that is the use surface. Various proposals have been made for the packaging structure.

  For example, in Patent Document 1, both side portions in the middle in the longitudinal direction have wing portions that wrap around the side edges of the crotch portion of the shorts and are respectively applied to the outer surface of the shorts in use, and are applied to the shorts of both wing portions. The cover sheet is formed with adhesive means for preventing slippage on the surface to be peeled, both wings are folded to the use surface side, and temporarily attached to the adhesive means for preventing slippage to substantially cover the use surface of the sanitary napkin. A packaging structure for a sanitary napkin provided with the above is disclosed.

JP-A-8-66428

  In the sanitary napkin described in Patent Document 1, the skin contact surface, which is the use surface of the sanitary napkin, is covered by the cover sheet, but the cover sheet and the skin contact surface are not directly joined. Therefore, the cover sheet may be turned over or a gap may be formed between the cover sheet and the skin contact surface, so that dust or the like may adhere to the skin contact surface of the sanitary napkin and become dirty.

  Accordingly, an object of the present invention is to provide a packaging structure for absorbent articles in which the skin contact surface of the absorbent article does not become dirty until use and the hygienic state is maintained.

  The present invention is a packaging structure of an absorbent article in which a substantially vertically long absorbent article having an absorbent main body is packaged with a release material sheet on which one surface is peeled, and the absorbent main body includes: The skin contact surface side has a skin side adhesive portion, the non-skin contact surface side has no adhesive portion, and the one surface of the release material sheet is the skin side adhesive portion. The above object is achieved by providing a packaging structure of an absorbent article that is detachably adhered to a part.

  According to the packaging structure of an absorbent article of the present invention, the skin contact surface of the absorbent article does not get dirty until it is used, and its sanitary state is maintained. Further, in the packaging structure, the absorbent article was taken out from the packaging structure by being sequentially folded and folded from the one edge side in the longitudinal direction with the non-skin contact surface side as the inside. Since a crease straddling the absorbent article in the width direction is difficult to be formed on the skin contact surface side of the absorbent article, side leakage hardly occurs, and this absorbent article is excellent in leakproofness.

  Hereinafter, the packaging structure of the absorbent article of the present invention will be described based on preferred embodiments with reference to the drawings.

  As shown in FIGS. 1 to 9, the absorbent article packaging structure 10 of the first embodiment has a sanitary napkin as a substantially vertically long absorbent article 1 having an absorbent main body 1 d on one surface. Is packaged with two release material sheets 15a and 15c that have been subjected to a release treatment, and the absorbent main body 1d has skin-side adhesive portions 5a and 5c on the skin contact surface side. There is no adhesive portion on the contact surface side, and the one surface of the release material sheets 15a and 15c is adhered to the skin-side adhesive portions 5a and 5c in a detachable manner.

Hereinafter, the packaging structure 10 of the sanitary napkin 1 of the present embodiment will be further described.
A sanitary napkin (hereinafter also simply referred to as a napkin) used in the packaging structure 10 of the present embodiment is formed of an absorbent main body 1d and a pair of wing portions 6 and 6.

  As shown in FIGS. 2 and 3, the absorbent main body 1 d includes a liquid-permeable top sheet 2, a liquid-impermeable back sheet 3, and a liquid-retaining absorbent body 4 interposed between the two sheets. Is substantially vertically long. The longitudinal direction of the absorbent main body 1 d coincides with the longitudinal direction of the napkin 1.

  The absorbent body 4 is vertically long, and its longitudinal direction coincides with the longitudinal direction of the absorbent main body 1d (hereinafter also referred to as the main body longitudinal direction), and is sandwiched and fixed between the top sheet 2 and the back sheet 3. Yes. Each of the top sheet 2 and the back sheet 3 extends from the longitudinal front and rear ends of the absorbent body 4 and is joined to each other by a well-known joining method such as heat sealing to form an end seal portion 9. Yes. Moreover, each of the top sheet 2 and the back sheet 3 extends from both ends of the absorbent body 4 in the width direction and is similarly joined.

  As shown in FIG. 3, the absorbent main body 1 d has a front part A in the longitudinal direction and an excretory part facing part B which is a central area in the longitudinal direction (an excretion part facing area mainly disposed opposite to the liquid excretion part of the wearer). In the center in the width direction) and a rear portion C (a portion that is mainly disposed facing the buttocks of the wearer). The front part A is a part located on the most front side of the wearer when the napkin is worn, and the rear part C is a part located on the most rear side of the wearer.

As shown in FIG. 3, the napkin 1 includes a pair of wing portions 6 and 6 extending from both side edges 1a and 1a in the longitudinal direction of the absorbent main body 1d. The wing part 6 is vertically long, and the longitudinal direction thereof coincides with the longitudinal direction of the main body.
A wing adhesive portion 6 a is formed on the wing portion 6, and the wing adhesive portion 6 a is formed on the non-skin contact surface side of the wing portion 6. The wing adhesive portion 6 a is formed by applying an adhesive to the non-skin contact surface side of the wing portion 6.

  Specifically, the pair of wing parts 6 and 6 extend from both side edges of the excretory part facing part B toward the outside in the width direction of the absorbent main body 1d (hereinafter also referred to as the main body width direction). Each of the pair of wings 6 and 6 is joined to each of the top sheet 2 and the back sheet 3 from both side edges 1a and 1a of the absorbent main body 1d by a known joining method such as heat sealing. Has been formed.

  As the forming material of the pressure-sensitive adhesive forming the top sheet 2, the back sheet 3, the absorbent body 4 and the wing adhesive portion 6a, those conventionally used in absorbent articles can be used without any particular limitation.

The napkin 1 will be further described below.
On the skin contact surface side of the absorbent main body 1d, the skin side adhesive portions 5a and 5c are located on the skin contact surface side of the absorbent main body 1d except for the vicinity of the base portion of the wing portion 6 as shown in FIG. A predetermined width is formed along the inside of the periphery. The skin-side adhesive portions 5a and 5c are formed by applying an adhesive in a band shape on the top sheet 2 of the absorbent main body 1d. Specifically, the napkin 1 has a front skin side adhesive portion 5a located in the front portion A and a back skin side adhesive portion 5c located in the rear portion C.

The front skin side adhesive part 5a is formed from a central part having a convexly curved shape toward the front of the napkin 1, and a pair of side parts that are continuous with the central part and extend backward. .
When the napkin is worn, the front part skin side adhesive part 5a adheres to the wearer's skin and fixes the napkin 1 so as to surround the front part of the liquid excretion part from the abdomen side of the wearer.

The back part skin side adhesion part 5c is formed from the center part which has the shape curved convexly toward the back of the napkin 1, and a pair of side part which continues to this center part and each extends toward the front. .
Back part skin side adhesion part 5c adheres to a wearer's buttocks mainly, and fixes napkin 1 so that the back part of a liquid excretion part from a wearer's back side may be surrounded at the time of napkin wear.

  The skin-side adhesive portions 5a and 5c are located inside the periphery of the absorbent main body 1d, and a predetermined interval is provided between the periphery and the skin-side adhesive portions 5a and 5c. Therefore, when the napkin is worn, the skin-side adhesive portions 5a and 5c are underwear (such as the wearer's shorts) even if the adhesive forming the skin-side adhesive portions 5a and 5c protrudes from the coated portion of the adhesive. , Simply called shorts). Specifically, each of the front skin side adhesive part 5a and the rear skin side adhesive part 5c is formed along the inside of the heat seal part 9, and the pair of side parts and the absorptivity are formed. A predetermined space is provided between the side edges 1a and 1a of the main body. The interval is preferably 2 to 10 mm, particularly 3 to 5 mm.

  When the napkin 1 is worn, the skin contact surface side is fixed to the skin of the napkin wearer W as shown in FIG. 9, and therefore follows the movement of the wearer's body well. On the other hand, since the napkin 1 is not fixed to the shorts, the napkin 1 is not pulled by the shorts and deviated from the wearer's skin, and is excellent in leakage prevention. Moreover, since the skin side adhesion parts 5a and 5c prevent the bodily fluid which moved to the front-back direction of the napkin 1 from the excretion part opposing part from moving further, the leak-proof property of the napkin 1 is further improved. .

  The widths of the skin-side adhesive portions 5a and 5c are preferably 2 to 30 mm, particularly 5 to 10 mm, from the viewpoint of obtaining the fixing property of the napkin 1 and excellent leakage prevention.

  The pressure-sensitive adhesive forming the skin-side pressure-sensitive adhesive portions 5a and 5c is preferably a gel pressure-sensitive adhesive, and the composition thereof is described, for example, in the specification of Japanese Patent Application No. 2003-38562 or Japanese Patent Application No. 2003-38563. Are preferred.

  The packaging structure 10 according to the present embodiment will be further described. As shown in FIGS. 4 and 5, the packaging structure 10 includes a front part release material sheet 15 a and a rear part release material sheet 15 c as release material sheets. Yes. More specifically, one surface of the front part release material sheet 15a that has been subjected to the release treatment is adhered to the front part adhesive part 5a so as to be peelable. Similarly, on the back part skin side adhesion part 5c, one side by which the peeling process of the back part peeling material sheet 15c was peeled is adhere | attached so that peeling is possible.

  As shown in FIG. 4, the front part release material sheet 15 a has a rectangular shape and preferably has a size that covers the front skin side adhesive part 5 a. In the present invention, it is not necessary to release the entire surface of the one surface of the front part release material sheet 15a, and only a part thereof, for example, a part to be adhered to the front skin side adhesive part 5a is subjected to a release process. Can also be used.

  As a forming material of the front part release material sheet 15a, a known material can be used without particular limitation. Specifically, polypropylene, polyester, polyethylene, polyvinyl alcohol having a thickness of 5 to 50 μm, or a nonwoven fabric or paper, And packaging materials such as these composite materials.

  The peeling treatment can be performed using a known method without particular limitation. Specifically, a peeling treatment agent is applied to the entire surface of the one side of the front part release material sheet 15a or a peeling tape. It can be performed by attaching release paper, release-treated non-woven fabric, release-treated polyethylene laminated paper, or release-treated polyethylene film. As the release agent for the release treatment agent or release tape and release paper, those of silicone resin type, fluorine resin type, or octadecyl isocyanate type are preferable. In particular, as a release treatment, a silicone resin-based release material component is used, and the silicone resin or the like is applied to increase the molecular weight by heat drying, ultraviolet irradiation, or the like, or sprayed to form a thin film. It is preferable to form it. In addition, a thin polyolefin film or polyester film is peeled off and joined to the front part release material sheet 15a by heat or ultrasonic waves, etc., has an appropriate rigidity, is easy to open, and has excellent heat resistance. Excellent workability.

  Moreover, the description about the dimension and formation material of the back part peeling material sheet 15c is the same as that of the front part peeling material sheet 15a mentioned above.

  And as shown in FIG. 4, a pair of wing parts 6 and 6 are turned up on the absorptive main body 1d with the wing part adhesion parts 6a and 6a facing upward, and as shown in FIG. The wing part peeling material sheet 15b is detachably adhered so as to straddle the wing adhesive part 6a in each of the pair of wing parts 6 and 6.

  The wing part peeling material sheet 15b has a rectangular shape and has a size to cover the wing adhesive part 6a of each of the pair of wing parts 6 and 6 folded on the absorbent main body 1d. Is preferred. One surface of the wing part release material sheet 15b is subjected to a peeling treatment, and the one surface is adhered to the wing adhesive part 6a so as to be peeled. The description about the forming material of the wing part peeling material sheet 15b is the same as that of the front part peeling material sheet 15a mentioned above.

In addition, the packaging structure 10 of this embodiment includes a packaging material 11. As shown in FIG. 7, the developed planar shape of the packaging material 11 is a vertically long rectangle, and the length and width of the packaging material 11 are larger than the length and width of the napkin 1.
The napkin 1 is positioned substantially at the center of the packaging material 11 and is peeled and adhered via the release material sheets 15a and 15c and the wing part release material sheet 15b so as to contact the inner surface side of the packaging material 11. Yes.

  More specifically, as shown in FIG. 8, the other surface of the front part release material sheet 15 a and the inner surface of the packaging material 11 are joined with an adhesive. The other surface of the front part release material sheet 15 a is firmly bonded to the packaging material 11, and when the napkin 1 is picked up and removed from the packaging material 11 when the napkin 1 is taken out from the packaging structure 10, the front part In a state where the release material sheet 15a and the packaging material 11 are bonded, it is preferable that only the front skin side adhesive portion 5a of the napkin 1 is peeled from the front release material sheet 15a.

  Similarly to the front part release material sheet 15a, the other surface of each of the rear part release material sheet 15c and the wing part release material sheet 15b is firmly bonded to the inner surface of the packaging material 11 with an adhesive.

  As the forming material of the packaging material 11, the same material as the above-described front part release material sheet 15a can be preferably used.

  Further, as shown in FIGS. 7 and 8, a dub tape 12 is provided on the outer surface of the portion of the packaging material 11 with which the front end portion of the absorbent main body 1d is in contact. The dub tape 12 is used for sealing the packaging material 11 in the packaging structure 10 of the present embodiment.

  And the napkin 1 and the release material sheets 15a and 15c are non-skin-contacted from the rear edge 1c side which is one edge of the longitudinal direction of the absorptive main body 1d with the packaging material 11, as shown in FIG. The back sheet 3 side that is the surface is the inner side, and is sequentially bent twice and folded. The packaging structure 10 of the present embodiment is bent between the front part A and the excretory part facing part B and between the excretion part facing part B and the rear part C, and has a so-called trifold structure. ing.

  Specifically, as shown in FIG. 2, the rear part C of the napkin 1 is the excretory part facing part together with the packaging material 11 with the rear part skin side adhesive part 5 c adhered to the rear part release material sheet 15 c. B is folded on the back sheet 3 in B, and further, the front part A of the napkin 1 is wrapped in a state where the front skin side adhesive part 5a is adhered to the front part release material sheet 15a. Folded together with the material 11.

  Further, as shown in FIG. 1, the packaging material 11 is sealed at the outer surface of the portion where the left and right side edges 11a, 11a and the front end of the absorbent main body 1d are in contact. The left and right side edges 11a, 11a are sealed by heat sealing, and the outer surface of the portion where the front end of the absorbent main body 1d is in contact is sealed with a tab tape 12. The left and right side edges 11a and 11a are heat-sealed, but it is also preferable to provide a perforation along the heat-sealed portion in order to make opening easier.

  Next, an example of a procedure for taking out the napkin 1 from the above-described napkin packaging structure 10 will be described below with reference to FIGS. 1 and 7.

First, from the state of FIG. 1, the tab tape 12 is peeled off, and the heat seal portions of the left and right side edge portions 11 a and 11 a are peeled off (if the perforation is provided, the perforation is separated), and the packaging material 11 is moved forward. Open up by causing part A. Under the present circumstances, the back surface sheet 3 which is the non-skin contact surface of the front part A has faced upwards.
Next, the packaging material 11 and the rear part B are raised and opened. As a result, as shown in FIG. 7, the napkin 1 is placed on the inner surface of the flattened packaging material 11 with the back sheet 3 on the non-skin contact surface side facing upward. can get.

  Thereafter, when the napkin 1 is picked and peeled off from the packaging material 11, the napkin is left in a state where the front part peeling material sheet 15a, the rear part peeling material sheet 15c and the wing part peeling material sheet 15b remain on the packaging material 11 side. 1 and the packaging material 11 are separated.

When the napkin 1 is worn, the pair of wings 6 and 6 are bent along the crotch edge of the shorts S as shown in FIG. After fixing to the outer surface, the shorts S are pulled up and fixed to the skin of the wearer W by the skin-side adhesive portions 5a and 5c.
In addition, FIG. 9 is the schematic diagram which looked at the napkin 1 of the wearing condition in the X3-X3 sectional view in FIG.

According to the packaging structure 10 of this embodiment mentioned above, the napkin 1 which has the skin side adhesion parts 5a and 5c in the skin contact surface side of the absorptive main body 1d can be taken out easily and can be worn.
Further, since the napkin 1 is folded in three with the surface sheet 2 that is the skin contact surface on the outside, the packaging structure 10 has two bent portions, but the packaging structure When the napkin 1 is taken out from 10, the surface sheet 2 is less likely to bend due to bending over the napkin 1 in the width direction. Therefore, when the napkin is worn, it is difficult for side leakage such that body fluid moves in the width direction of the main body along the crease.

  Next, the packaging structure 10 of the absorbent article of 2nd-5th embodiment is demonstrated, referring FIGS. 10-23. Regarding the second to fifth embodiments, the description in detail regarding the first embodiment is applied as appropriate to points that are not particularly described. 10 to 23, the same members as those in FIGS. 1 to 9 are denoted by the same reference numerals.

As shown in FIGS. 10 to 15, the napkin packaging structure 10 of the second embodiment is a napkin 1.
And a packaging material 11 as a release material sheet on which the inner surface of the packaging material 11 is peeled off, and adheres to the packaging material 11 so that the skin-side adhesive portion 5 contacts the inner surface of the packaging material 11. Has been.

Hereinafter, the packaging structure 10 of this embodiment will be further described.
Unlike the embodiment described above, the napkin 1 does not have the pair of wing portions 6 and 6 and is formed only from the absorbent main body 1d. Moreover, the skin side adhesion part 5 is formed in the skin contact surface side of the absorptive main body 1d. The skin-side adhesive portion 5 is formed with a predetermined width along the inside of the entire peripheral edge on the skin contact surface side of the absorbent main body 1d.

In the present embodiment, as shown in FIG. 11, the skin-side pressure-sensitive adhesive portion 5 is formed by continuously applying a pressure-sensitive adhesive on the top sheet 2 in a strip shape, and has a vertically long ring shape.
Specifically, the skin-side adhesive portion 5 extends in the body width direction and protrudes outward in the body longitudinal direction at a pair of side portions extending in the body longitudinal direction and both ends of the pair of side portions in the longitudinal direction. And a central portion curved into a shape.

The skin-side adhesive part 5 fixes the napkin 1 by adhering it so as to surround a part extending before and after the wearer's liquid excretion part when the napkin is worn.
As shown in FIG. 12, the napkin 1 is fixed to the skin of the napkin wearer W, including both sides of the excretory part facing region, by the annular skin-side adhesive portion 5. The adhesion of W to the skin is further enhanced. Moreover, since the liquid excretion part of a napkin wearer is covered with the closed space formed by the surface sheet 2 and the cyclic | annular skin side adhesion part 5, the liquid leakage from the front and back, right and left of the napkin 1 is prevented effectively. .

In the packaging structure 10 of this embodiment, the release material sheet in the first embodiment described above is the packaging material 11. As shown in FIG. 13, the developed planar shape of the packaging material 11 is a vertically long rectangle, and the length and width thereof are formed to be larger than the length and width of the napkin 1.
The inner surface of the packaging material 11 is peeled off. As a forming material of the packaging material 11, the same material as the release material sheet in the first embodiment can be preferably used.

  As shown in FIGS. 13 to 15, the napkin 1 is positioned substantially at the center of the packaging material 11 and is peelably adhered by the skin-side adhesive portion 5 so as to contact the inner surface side of the packaging material 11. ing. In this embodiment, the skin side adhesion part 5 is directly adhere | attached on the inner surface of the packaging material 11 as a peeling material sheet.

  Then, as shown in FIG. 10, the napkin 1 and the packaging material 11 are arranged so that the back sheet 3 side which is a non-skin contact surface is inward from the rear edge 1c side which is one end edge of the napkin 1 in the longitudinal direction. As shown in FIG.

  Specifically, as shown in FIG. 10, the rear part C of the napkin 1 is in the excretory part facing part B together with the packaging material 11 in a state where the skin-side adhesive part 5 in the rear part C is adhered to the packaging material 11. Folded on the back sheet 3, and further, the front part A is folded together with the packaging material 11 with the skin side adhesive part 5 in the front part A adhered to the packaging material 11. Yes.

  Next, an example of a procedure for taking out the napkin 1 from the above-described napkin packaging structure 10 will be described below with reference to FIGS. 10 and 13.

First, from the state of FIG. 10, the tab tape 12 is peeled off, the heat seal portions of the left and right side edge portions 11 a and 11 a are peeled off, and the front portion A together with the packaging material 11 is opened. Under the present circumstances, the back sheet 3 side which is the non-skin contact surface of the front part A has faced upwards.
Next, the packaging material 11 and the rear part B are raised and opened. As a result, as shown in FIG. 13, the napkin 1 is placed on the inner surface of the flattened packaging material 11 with the back sheet 3 side, which is the non-skin contact surface, facing upward. can get.

  Thereafter, when the napkin 1 is picked and peeled off from the packaging material 11, the napkin 1 and the packaging material 11 are separated.

  According to the packaging structure 10 of this embodiment mentioned above, since it has only the packaging material 11 as a peeling material sheet, the reduction of a process and cost is achieved. In addition, the same effects as those of the above-described embodiment are achieved.

16 to 18, the napkin packaging structure 10 according to the third embodiment is formed by packaging the napkin 1 with two release material sheets 15 a and 15 c having one surface peeled off. Has a pair of wings 6, 6. In the napkin 1 of this embodiment, the wing adhesion part 6a is formed in the skin contact surface side of the wing part 6, as shown in FIG.
Moreover, in the napkin 1 of this embodiment, a pair of main body peeling process parts 8 and 8 are formed in the skin contact surface side of the absorptive main body 1d, and a pair of wing parts 6 and 6 are absorptive main bodies. The wing adhesive portion 6a in each of the pair of wing portions 6 and 6 is adhered to the main body peeling processing portion 8 so as to be peeled off.

Hereinafter, the packaging structure 10 of this embodiment will be further described.
The napkin 1 has a pair of wing parts 6, 6, a front skin side adhesive part 5 a, and a rear skin side adhesive part 5 b, similarly to the napkin of the first embodiment described above.

  The wing adhesive portion 6 a is formed by applying an adhesive to the skin contact surface side of the wing portion 6. The wing adhesive portion 6a is a portion that is adhered to the wearer's skin when the napkin is worn, as shown in FIG. As an adhesive which forms the wing adhesive part 6a, the thing similar to the adhesive which forms the skin side adhesive part of 1st Embodiment can be used preferably.

  Moreover, in the excretion part opposing part B of the napkin 1, a pair of main body peeling process parts 8 and 8 are formed in the both sides of the main body longitudinal direction at the absorptive main body 1d. Each of the pair of main body peeling processing parts 8 and 8 is a vertically long rectangle, and the longitudinal direction thereof coincides with the main body longitudinal direction. A pair of main body peeling process parts 8 and 8 are provided in the part of the absorptive main body 1d with which a pair of wing adhesion parts 6a and 6a contact | abut.

  As shown in FIG. 16, the size of the main body peeling process part 8 is formed larger than the wing adhesive part 6a. Therefore, when the wing portion 6 is folded back on the absorbent main body 1d with the base portion as a bent portion, even if the wing portion 6 is folded back with a slight shift, the entire wing adhesive portion 6a is adhered within the main body peeling processing portion 8. It has become so.

  Each of the pair of main body peeling processing portions 8 and 8 is formed by peeling the skin contact surface side of the topsheet 2. As a method for forming each of the main body peeling processing portions 8 and 8, it can be formed in the same manner as the peeling treatment surface in the peeling material sheet of the first embodiment.

  And the napkin 1 and the release material sheets 15a and 15c are the back sheet 3 side which is a non-skin contact surface from the rear edge 1c side which is one edge of the longitudinal direction of the absorptive main body 1d with the packaging material 11. Are folded twice in order and folded. The packaging structure 10 of this embodiment has the same structure as that of the first embodiment except that the above-described points and the wing part release material sheet are not provided.

Then, as shown in FIG. 18, the napkin 1 taken out from the packaging structure 10 has a pair of wings 6 and 6 spread in the left and right sides of the absorbent main body 1d in the wearing state. It is fixed to the skin of the wearer W by the portion 6a and the skin side adhesive portions 5a and 5c. Even in the excretory part facing part B where the skin-side adhesive part is not formed, since the deployed wing part 6 is arranged on the outer side in the body width direction of the absorbent main body 1d, side leakage is effectively prevented. The
FIG. 18 is a schematic view of the napkin 1 in a worn state as seen from a cross section taken along line X7-X7 in FIG.

  According to the packaging structure 10 of this embodiment mentioned above, the effect similar to 1st Embodiment is show | played.

  As shown in FIGS. 19-21, the packaging structure 10 of the napkin of 4th Preferred Embodiment of this invention is the packaging material 11 (as a peeling material sheet | seat from which the napkin 1 and the inner surface which mounts this were peel-processed) ( (Not shown), and the skin-side adhesive portion 5 is detachably adhered to the packaging material 11 so as to contact the inner surface of the packaging material 11.

  Moreover, in the packaging structure 10 of this embodiment, as shown in FIG.19 and FIG.20, the wing part 6 is a non-skin contact surface so that this wing part 6 may be divided into 2 in the width direction of the absorptive main body 1d. The portions of the wing portions 6 facing each other, which are folded back toward the side and are in contact with the wing adhesive portions 6a, are peeled off.

Hereinafter, the packaging structure 10 of the absorbent article of this embodiment is further demonstrated.
As shown in FIG. 21, the napkin 1 has a pair of wing portions 6, 6, similar to the napkin of the first embodiment described above. Moreover, the napkin 1 has the vertically long and annular skin-side adhesive portion 5 as in the case of the napkin of the second embodiment described above.

In the napkin 1 according to the present embodiment, the wing adhesive portion 6a is formed on the non-skin contact surface side of the wing portion 6 as shown in FIG.
The wing adhesive portion 6 a is formed by applying an adhesive to the skin contact surface side of the wing portion 6. The wing adhesive portion 6a is a portion that is adhered to the outer surface of the shorts when the napkin is worn, as in the first embodiment described above.

The wing adhesive portion 6a will be further described below.
The wing adhesive portions 6a in the pair of wing portions 6 and 6 are different in arrangement as shown in FIG.
One wing portion 6 is provided with one vertically long rectangular wing adhesive portion 6a, and the longitudinal direction of the wing adhesive portion 6a coincides with the longitudinal direction of the main body. The wing adhesive portion 6a is formed outward in the main body width direction with respect to a virtual line that bisects the wing portion 6 in the main body width direction.

  The other wing part 6 is provided with a plurality of wing adhesive parts 6 a, 6 a... Arranged in a staggered manner on the skin contact surface side of the wing part 6. In the present embodiment, the other wing portion 6 is formed with three wing adhesive portions 6a, 6a,. The two wing adhesive portions 6a, 6a It is formed outward in the body width direction with respect to the virtual line to be divided. The remaining one wing adhesive portion 6a is formed inward in the main body width direction with respect to a virtual line that bisects the wing portion 6 in the main body width direction. Each of these wing adhesive portions 6a, 6a... Is a vertically long rectangle, and its longitudinal direction coincides with the longitudinal direction of the main body.

  In each of a pair of wing parts 6 and 6, the wing peeling process part 6b is formed in the part of the wing part 6 which the wing adhesion part 6a contact | abuts as shown in FIGS.

  The wing peeling process part 6b in the said one wing part 6 is a vertically long rectangle, The longitudinal direction corresponds with the main body longitudinal direction. The wing peeling processing part 6b is formed inward in the body width direction with respect to a virtual line that bisects the wing part 6 in the body width direction.

  In the other wing portion 6, a plurality of wing peeling treatment portions 6b, 6b... Are arranged in a staggered manner on the non-skin contact surface side of the wing portion 6. Each of the wing peeling treatment parts 6b, 6b... Is disposed so as to contact the wing adhesive part 6a in the wing part 6 facing each other.

  In this embodiment, each of the wing peeling processing parts 6b, 6b... Is a vertically long rectangle, and the longitudinal direction thereof coincides with the longitudinal direction of the main body. Further, the dimensions of each of the wing peeling treatment parts 6b, 6b... Are larger than the wing adhesion part 6a that is detachably adhered to the wing peeling treatment part 6b. Therefore, even if the wing part 6 is folded back with a slight shift with respect to the imaginary line that bisects the wing part 6 in the body width direction, the entire wing adhesive part 6a is adhered within the body peeling process part 8. It has become so.

  The wing adhesive portion 6 a is formed by applying an adhesive to the non-skin contact surface side of the wing portion 6. As an adhesive which forms the wing adhesive part 6a, the thing similar to the wing adhesive part of 1st Embodiment can be used preferably.

  Moreover, the wing peeling process part 6b is formed by peeling-processing the non-skin contact surface side of the wing part 6. FIG. As a method of forming the wing peeling process part 6b, it can form similarly to the peeling process surface in the peeling material sheet of 1st Embodiment.

In the packaging structure 10 of the present embodiment, the release material sheet 15 in the first embodiment described above is the packaging material 11. The packaging material 11 has a vertically expanded rectangular shape, and the length and width of the packaging material 11 are larger than the length and width of the napkin 1 in a state where the pair of wing portions 6 and 6 are folded back. .
The inner surface of the packaging material 11 is peeled off. As a forming material of the packaging material 11, the same material as the release material sheet in the first embodiment can be preferably used.

  The napkin 1 is positioned substantially at the center of the packaging material 11 and is peelably adhered by the skin-side adhesive portion 5 so as to contact the inner surface side of the packaging material 11. In this embodiment, the skin side adhesion part 5 is directly adhere | attached on the inner surface of the packaging material 11 as a peeling material sheet.

  And the napkin 1 taken out from the packaging structure 10 fixes a pair of wing parts 6 and 6 to the outer surface of the shorts S similarly to the napkin 1 of 1st Embodiment in the wearing condition. It is fixed.

  According to the packaging structure 10 of the present embodiment, the same effects as those of the above-described embodiment are exhibited.

  The napkin packaging structure 10 of the fifth embodiment comprises a napkin 1 and a packaging material 11 as a release material sheet on which the inner surface of the napkin 1 is peeled, as shown in FIGS. The side adhesive portion 5 is detachably adhered to the packaging material 11 so as to contact the inner surface of the packaging material 11.

Hereinafter, the packaging structure 10 of this embodiment will be further described.
As shown in FIG. 23, the napkin 1 has a pair of wing parts 6 and 6 like the napkin of 1st Embodiment mentioned above. The wing adhesive portion 6 a is formed on the skin contact surface side of the wing portion 6. Moreover, the napkin 1 has the vertically long and annular skin-side adhesive portion 5 as in the case of the napkin of the second embodiment described above.

In the packaging structure 10 of the present embodiment, the release material sheet 15 in the first embodiment described above is the packaging material 11. The packaging material 11 has a vertically elongated rectangular shape, and the length and width of the packaging material 11 are larger than the length and width of the napkin 1 in a state where the pair of wing portions 6 and 6 are deployed.
The inner surface of the packaging material 11 is peeled off. As a forming material of the packaging material 11, the same material as the release material sheet in the first embodiment can be preferably used.

  And the napkin 1 is located in the approximate center of the packaging material 11, and as shown in FIG. 22, in a state where each of the pair of wing parts 6 and 6 is spread to the left and right of the absorbent main body 1d, the wing adhesive part 6a and The skin-side adhesive portion 5 is adhered to the inner surface of the packaging material 11 in a peelable manner. In this embodiment, the wing adhesion part 6a and the skin side adhesion part 5 are directly adhere | attached on the inner surface of the packaging material 11 as a peeling material sheet.

  Then, the napkin 1 and the packaging material 11 are sequentially diffracted twice with the back sheet 3 side, which is the non-skin contact surface, as the inner side from the rear end edge 1c side, which is one end edge in the longitudinal direction of the absorbent main body 1d. Has been folded. The packaging structure 10 of this embodiment has the same structure as that of the second embodiment except for the points described above.

  And the napkin 1 taken out from the packaging structure 10 is in the state which extended each of a pair of wing parts 6 and 6 to the right and left of the absorptive main body 1d in the wearing condition similarly to the napkin 1 of 3rd Embodiment. The wing adhesive part 6a and the skin-side adhesive part 5 are fixed to the skin of the wearer W.

  According to the packaging structure 10 of the present embodiment, the same effects as those of the above-described embodiment are exhibited. Further, since each of the pair of wing portions 6 and 6 is not bent at the base portion, no crease is formed at the base portion. Therefore, in the napkin 1 taken out from the packaging structure 10, each of the pair of wing portions 6 and 6 can be worn in a state of extending so as to extend outward in the main body width direction from the absorbent main body 1 d.

The packaging structure of the absorbent article of the present invention is not limited to the embodiment described above, and can be appropriately changed without departing from the spirit of the present invention.
For example, in the packaging structure of the absorbent article of the present invention, it is preferable that the skin-side adhesive portion is formed continuously or discontinuously on the skin contact surface side of the absorbent main body. Moreover, in the napkin 1 of each embodiment, although the skin side adhesion part 5 was formed in strip | belt shape, it may be formed in dot shape, mesh shape, spiral shape, or stripe shape. In the case of forming dots, each dot may be circular, elliptical or semi-elliptical. Moreover, the skin side adhesion part 5 may be formed in planar shape.

  In the napkin 1 of the first embodiment, the pair of wing portions 6 and 6 are folded back on the absorbent main body 1d with the wing portion adhesive portions 6a and 6a facing upward, but the pair of wing portions 6 and 6 may be folded under the absorbent main body 1d with the wing adhesive portion 6a facing the back sheet 3 respectively. In this case, the back sheet 3 may be subjected to a peeling process so that the wing adhesive portion 6a is adhered to the back sheet 3 so as to be peelable. Alternatively, a release material sheet may be interposed between the wing pressure-sensitive adhesive portion 6a and the back surface sheet 3 so that the wing pressure-sensitive adhesive portion 6a and the release material sheet are detachably adhered. Moreover, even if the napkin 1 of 3rd Embodiment has a pair of side leak-proof part or a pair of leak-proof gathers so that the both sides of the longitudinal direction at the skin contact surface side in the absorptive main body 1d may be covered. good. In this case, it is preferable that the peeling process is performed to the part which each wing adhesion part 6a of a pair of wing parts 6 and 6 contact | abuts.

  Furthermore, in the napkin 1 of 4th Embodiment, although each of the wing adhesion part 6a and the wing peeling process part 6b was formed in the non-skin contact surface side of the wing part 6, the wing adhesion part 6a and a wing peeling process part Each of 6b may be formed in the skin contact surface side of the wing part 6. FIG. In this case, the wing part 6 is folded back toward the skin contact surface side so as to divide the wing part 6 into two in the width direction of the absorbent main body 1d, and the wing adhesive part 6a contacts. It is preferable that the wing peeling process part 6b is formed in the part of this wing part 6 which opposes.

The absorbent article used in each packaging structure described above may be a sanitary napkin, but may also be a panty liner or an incontinence pad.
In addition, the requirements of only one embodiment described above can be applied to other embodiments as appropriate, and the requirements in each embodiment can be appropriately interchanged between the embodiments.

FIG. 1 is a perspective view showing a first embodiment of a packaging structure of a sanitary napkin as an absorbent article according to the present invention. 2 is a cross-sectional view taken along line X1-X1 of FIG. FIG. 3 is a plan view showing the skin contact surface side of the sanitary napkin of FIG. 1. FIG. 4 is a plan view showing a state where the release material sheet is adhered to the sanitary napkin in the packaging structure of FIG. 5 is a cross-sectional view taken along line X2-X2 of FIG. 6 is a cross-sectional view taken along line X3-X3 of FIG. FIG. 7 is an exploded view of the packaging structure of FIG. 8 is a cross-sectional view taken along line X4-X4 of FIG. FIG. 9 is a diagram schematically showing a wearing state of the sanitary napkin of FIG. 1. FIG. 10 is a cross-sectional view corresponding to FIG. 2 showing a second embodiment of a packaging structure for a sanitary napkin as an absorbent article in the present invention. FIG. 11 is a plan view showing the skin contact surface side of the sanitary napkin of FIG. 12 is a diagram schematically showing a wearing state of the sanitary napkin of FIG. 13 is a development view of the packaging structure of FIG. 14 is a cross-sectional view taken along line X5-X5 of FIG. 15 is a cross-sectional view taken along line X6-X6 of FIG. FIG. 16 is a plan view corresponding to FIG. 4 showing a third embodiment of a packaging structure for a sanitary napkin as an absorbent article in the present invention. FIG. 17 is a plan view showing the skin contact surface side of the sanitary napkin of FIG. FIG. 18 is a diagram schematically showing a wearing state of the sanitary napkin of FIG. FIG. 19 is a plan view corresponding to FIG. 4 showing a fourth embodiment of a packaging structure for a sanitary napkin as an absorbent article in the present invention. 20 is a cross-sectional view taken along line X8-X8 in FIG. 21 is a plan view of the sanitary napkin of FIG. 19 on the non-skin contact surface side. FIG. 22 is a plan view corresponding to FIG. 4 showing a fifth embodiment of a packaging structure for sanitary napkins as absorbent articles in the present invention. FIG. 23 is a plan view of the skin contact surface side of the sanitary napkin of FIG.

Explanation of symbols

10 Packaging structure for sanitary napkins (packaging structure for absorbent articles)
DESCRIPTION OF SYMBOLS 11 Packaging material 11a Side edge part 12 of packaging material Tab tape 15a Front part peeling material sheet 15b Wing part peeling material sheet 15c Back part peeling material sheet 1 Sanitary napkin (absorbent article)
DESCRIPTION OF SYMBOLS 1a Side edge of an absorptive main body 1c Rear end edge of an absorptive main body 1d Absorbent main body 2 Top sheet 3 Back sheet 4 Absorber 5 Skin side adhesive part 5a Front part skin side adhesive part 5c Rear part skin side adhesive part 6 Wing part 6a Wing adhesive part 6b Wing peeling process part 8 Main body peeling process part 9 End seal part A Absorbent article front part B Absorbent article excretory part C Absorbent article rear part S Shorts W Wearer

Claims (10)

An absorbent article packaging structure in which a substantially vertically long absorbent article having an absorbent main body is packaged with a release material sheet on one side of which is peeled,
The absorbent main body has a skin-side adhesive portion on the skin contact surface side, and does not have an adhesive portion on the non-skin contact surface side,
The absorbent article packaging structure in which the one surface of the release material sheet is detachably adhered to the skin-side adhesive portion.   The absorbent article and the release material sheet are sequentially bent and folded from one edge side in the longitudinal direction of the absorbent main body to the non-skin contact surface side as an inner side. Absorbent article packaging structure.   The packaging structure for absorbent articles according to claim 1 or 2, further comprising a pair of wing portions extending from both side edges in the longitudinal direction of the absorbent main body, wherein the wing adhesive portions are formed on the wing portions. .   The absorbent article packaging structure according to claim 3, wherein the wing adhesive portion is formed on a skin contact surface side of the wing portion.   The packaging structure for absorbent articles according to claim 3, wherein the wing adhesive portion is formed on the non-skin contact surface side of the wing portion.   The wing part is folded back so as to divide the wing part into two in the width direction of the absorbent main body, and the parts of the wing part facing each other, which are in contact with the wing adhesive part, are peeled off. Item 6. The absorbent article packaging structure according to any one of Items 3 to 5.   The packaging structure for absorbent articles according to any one of claims 1 to 6, wherein the skin-side adhesive portion is formed with a predetermined width along the inner side of the entire peripheral edge on the skin contact surface side of the absorbent main body. .   The skin-side adhesive portion is formed with a predetermined width along the inner periphery of the skin contact surface side of the absorbent main body, except for the vicinity of the base portion of the wing portion. A packaging structure of the absorbent article according to 1. A packaging material, the other surface of the release material sheet and the inner surface of the packaging material are joined,
The absorbent article packaging structure according to any one of claims 1 to 8, wherein the absorbent article and the release material sheet are folded together with the packaging material.   The packaging structure for absorbent articles according to any one of claims 1 to 8, wherein the release material sheet is a packaging material.

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