JP3747994B2 - Shorts-type sanitary napkin - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a packaging structure for a shorts-type sanitary napkin in which shorts-type sanitary napkins are individually packaged.
[0002]
[Prior art and problems to be solved by the invention]
Many absorptive articles constituted by pants, represented by diapers and sanitary napkins, have been proposed. Such absorbent articles are provided to the user in the form of a package in which a plurality of such absorbent articles are packaged, but they may be individually packaged from the viewpoint of portability and hygiene when the user carries a small amount. desirable. In particular, when the absorbent article is used as a sanitary napkin, individual packaging is required.
[0003]
However, a general sanitary napkin is a vertically long one composed of a liquid-permeable surface material, a liquid-impermeable leak-proof material, and a liquid-retaining absorbent layer. Since the shape of the sanitary napkin is different, it is difficult to use the individual individual packaging structure as it is for the pants. Moreover, the absorbent article comprised by the underpants type becomes large sized, and a compact packaging form is requested | required simultaneously.
[0004]
Accordingly, an object of the present invention is to provide a packaging structure for a shorts-type sanitary napkin that is suitable for a shape unique to a shorts-type sanitary napkin and has a compact packaging form.
[0005]
[Means for Solving the Problems]
The present invention includes a shorts portion formed by waist opening and a pair of leg openings, shorts-type sanitary napkin having an absorbent part having a liquid retentive absorbent layer, and packaged in packaging material A shorts-type sanitary napkin packaging structure,
The shorts-type sanitary napkin in which the waist part is bent toward the longitudinal center part side and the crotch part is folded toward the longitudinal center part side along the front end part which is the outer edge of the absorbent layer is the cylindrical packaging Provided is a packaging structure for a shorts-type sanitary napkin , which is inserted into a material, and the shorts-type sanitary napkin is bent together with the packaging material, and both ends of the packaging material are joined and sealed together. This achieves the above object.
The present invention also includes a packaging material for packaging a shorts-type sanitary napkin comprising a shorts formed with a waist opening and a pair of leg openings, and an absorbent having a liquid-retaining absorbent layer. A packaging structure of a shorts-type sanitary napkin,
The shorts-type sanitary napkin in which the left and right side portions are bent toward the width direction center portion side and the crotch portion is bent toward the length direction center portion side along the left and right side edges that are outer edges of the absorbent layer is a cylindrical shape. A packaging structure of a shorts-type sanitary napkin inserted into the packaging material, the shorts-type sanitary napkin being bent together with the packaging material, and both ends of the packaging material being joined and sealed together. The above object is achieved by providing.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, shorts-type sanitary napkins of the present invention a preferred embodiment of the packaging structure (hereinafter also referred to as shorts-type napkins) it will be described with reference to FIG surface.
[0007]
As shown in FIGS. 1 and 2, the shorts-type napkin 10 according to the present embodiment includes an absorption part 20 and a shorts part 30. The absorber 20 includes a liquid-retaining absorbent layer 21 and a liquid-impermeable leak-proof layer 22. The absorbent layer 21 has an absorbent body 23 made of pulp fibers and superabsorbent polymer particles, and a liquid-permeable top sheet 24 disposed on the surface side of the absorbent body 23. On the other hand, the leak-proof layer 22 is composed of a back sheet disposed on the back side of the absorber 23. The left and right side edges of the leak-proof layer 22 are covered with a top sheet 24 that extends outward from the left and right side edges of the absorber 23.
[0008]
The shorts part 30 includes an outer layer sheet 31 that constitutes the outer surface of the shorts-type napkin 10 of the present embodiment, an inner layer sheet 32 that constitutes the inner surface and to which the absorbent part 20 is fixed, a leg part elastic member 33, The waist part elastic member 34 is comprised. Moreover, the shorts part 30 consists of each area | region of the abdominal part A, the crotch part B, and the dorsal part C, and both side edge parts A1, C1, and A2, C2 of each of the abdominal part A and the dorsal part C are jointly fixed. And the form of shorts is comprised by the waist opening part 11 and a pair of leg opening parts 12 and 12 being formed. And in the waist opening part 11 and the leg opening part 12, the waist part elastic member 34 and the leg part elastic member 33 of the extended state are clamped by the outer layer sheet 31 and the inner layer sheet 32, respectively, and a gather is formed. Yes.
[0009]
2A, the leg elastic member 33 is arranged along the side edge of the crotch B, and in the crotch B, the abdomen leg that crosses the absorbent part 20 across its width direction. It consists of an elastic member 33a and a back leg elastic member 33b. These leg part elastic members 33a and 33b are arranged so that the part which crosses those absorption parts 20 is located in the ventral part A side rather than the line which bisects the shorts part 30 in the longitudinal direction. Yes.
[0010]
The absorber 20 is fixed to the inside of the crotch B of the shorts 30 so that the top sheet 24 faces the wearer's body. The absorption part 20 has at least front and rear end parts fixed to the shorts part.
[0011]
Thus, in the packaging structure 1 of the present embodiment, as shown in FIG. 3 (f), the shorts napkin 10 folded into a predetermined shape is inserted into the cylindrical packaging material 40, The shorts napkin 10 is bent together with the packaging material 40, and both ends of the packaging material 40 are joined and sealed together.
[0012]
The packaging structure 1 will be further described with reference to FIG. 3 together with its preferred manufacturing process. The shorts-type napkin 10 [see FIG. 3 (a)] manufactured by a processing machine (not shown) is shown in FIG. 3 (b). As shown in FIG. 3, the crotch portion B is bent toward the central portion in the longitudinal direction, and the waist portion W is similarly bent toward the central portion in the longitudinal direction as shown in FIG. It becomes. All of these bendings are performed toward the ventral side of the shorts-type napkin 10. The shorts-type napkin 10 thus folded so that its area is about 1/3 of the original is then inserted into the cylindrical packaging material 40 as shown in FIG. Is done. In addition, since it becomes easy to bend | fold to the longitudinal direction center part side of the waist part W shown in FIG.3 (c) along the front-end part which is the outer edge of the absorption part 20, it is preferable.
[0013]
The packaging material 40 is formed into a cylindrical shape by joining two opposite sides of a rectangular sheet-shaped packaging material. After the shorts-type napkin 10 is inserted into the packaging material 40, the shorts-type napkin 10 and the packaging material 40 are bisected in the longitudinal direction of the packaging material 40 as shown in FIG. Fold it. At the time of folding in half, the joining portion 41 of the packaging material 40 is set to the inside. By setting it as such a folding method, the junction part 41 is not exposed to the exterior of the packaging structure 1, but the external appearance of this packaging structure becomes favorable.
[0014]
Next, both ends 42 and 42 of the opened packaging material 40 are joined and sealed together by the above-described bi-folding, so that the bi-fold structure is maintained and the shorts napkin 10 is placed inside the packaging material 40. Enclose in.
[0015]
Since the packaging structure 1 obtained in this way is in a form in which the shorts-type napkin 10 inserted into the cylindrical packaging material 40 is folded in two as shown in FIG. As a whole, a compact packaging form can be obtained. In the present embodiment, when the shorts-type napkin 10 is inserted into the packaging material 40, the napkin 10 is folded and inserted into a predetermined shape, so that the manufactured packaging structure 1 is further compacted. Will be. According to the packaging structure 1, the packaging structure can be made compact even with the shorts-type napkin 10 having a relatively large shape.
[0016]
As the packaging material 40 used in the packaging structure 1, a thermoplastic resin film or the like is used. In particular, the inner surface of the packaging material 40 is anti-slip processed so that the shorts-type napkin 10 inserted into the cylindrical packaging material 40 does not slip and slide when the napkin 10 is folded in half. It is preferable. Examples of anti-slip processing include formation of uneven shapes by embossing, non-smoothing of the surface of the packaging material 40 by printing, polymer materials having a high surface friction coefficient such as natural rubber and synthetic rubber, and resins For example, application of an anti-slip agent or lamination may be mentioned.
[0017]
Next, a second embodiment of the present invention will be described with reference to FIG. In addition, only a different point from 1st Embodiment is demonstrated about this embodiment, and the description explained in full detail regarding 1st Embodiment is applied suitably to the same point. 4, the same members as those in FIGS. 1 to 3 are denoted by the same reference numerals.
[0018]
This embodiment is different from the first embodiment in how to fold the shorts napkin 10 inserted into the packaging material 40. Specifically, first, as shown in FIG. 4A, the crotch part B of the shorts-type napkin 10 is bent toward the center in the longitudinal direction. The folding position is about 1/4 to 1/5 from the bottom in the longitudinal direction of the shorts-type napkin 10.
[0019]
Next, as shown in FIG. 4B, the left and right side portions are bent toward the center in the width direction. The bending position is a position slightly outward from the left and right side edges of the absorbent part 20 in the shorts-type napkin 10. These bendings are all performed toward the ventral side of the shorts-type napkin 10 as in the case of the first embodiment. The shorts napkin 10 folded in this way has a folded form as shown in FIG. In addition, since it becomes easy to bend when it folds along the left and right both side edges which are the outer edges of the absorption part 20, it is preferable to bend the left and right both sides. Thereafter, the packaging structure is obtained in the same manner as in the first embodiment. In this embodiment, the same effect as that of the first embodiment is obtained.
[0020]
The present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.
For example, when bonding and sealing together the two ends 42, 42 of the packaging material 40 being open mouth, first the two ends 42, 42 after encapsulating shorts type napkin 10 inside the packaging material 40 is sealed, respectively The shorts-type napkin 10 may be bent together with the packaging material 40 and both ends 42 and 42 of the packaging material 40 may be joined to each other.
Further, after the shorts napkin folded in a predetermined shape is placed on the packaging material 40, the packaging material 40 may be formed in a cylindrical shape and covered with the shorts napkin.
[0021]
【The invention's effect】
As described above in detail, according to the present invention, there is provided a packaging structure for a shorts-type sanitary napkin that is suitable for a shape unique to a shorts-type sanitary napkin and has a compact packaging form.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a shorts-type sanitary napkin used in a first embodiment.
2 (a) is a developed view of the shorts-type sanitary napkin shown in FIG. 1 before assembling from the absorption part side, and FIG. 2 (b) is an II line in FIG. 2 (a). It is sectional drawing.
FIG. 3 is a view showing a preferred manufacturing process of a packaging structure for a shorts-type sanitary napkin according to the present embodiment.
FIG. 4 is a diagram showing a folded form of a shorts-type sanitary napkin according to a second embodiment.
[Explanation of symbols]
1 shorts type sanitary napkin down of the packaging structure 10 shorts type sanitary napkin down 20 absorbing portion 30 shorts 40 packaging

Claims (4)

And shorts section waist opening and a pair of leg openings become formed, shorts-type sanitary the shorts-type sanitary napkin having an absorbent part having a liquid retentive absorbent layer, formed by packaging in packaging material A packaging structure for a napkin for use ,
The shorts-type sanitary napkin in which the waist part is bent toward the longitudinal center part side and the crotch part is folded toward the longitudinal center part side along the front end part which is the outer edge of the absorbent layer is the cylindrical packaging A packaging structure for a shorts-type sanitary napkin , which is inserted into a material, and the shorts-type sanitary napkin is bent together with the packaging material, and both ends of the packaging material are joined and sealed together. And shorts section waist opening and a pair of leg openings become formed, shorts-type sanitary the shorts-type sanitary napkin having an absorbent part having a liquid retentive absorbent layer, formed by packaging in packaging material A packaging structure for a napkin for use ,
The shorts-type sanitary napkin in which the left and right side portions are bent toward the width direction center portion side and the crotch portion is bent toward the length direction center portion side along the left and right side edges, which are outer edges of the absorbent layer, has a cylindrical shape. A packaging structure for a shorts-type sanitary napkin inserted into the packaging material, wherein the shorts-type sanitary napkin is bent together with the packaging material, and both ends of the packaging material are joined and sealed together. The packaging structure of a shorts-type sanitary napkin according to claim 1 or 2, wherein an inner surface of the packaging material is anti-slip processed. An uneven shape is formed on the inner surface of the packaging material by an embossing treatment, or the inner surface is printed and non-smoothed, or an anti-slip agent is applied or laminated on the inner surface, and the inner surface is The packaging structure for a shorts-type sanitary napkin according to claim 3, which is slip-processed.

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