JP6097075B2 - Absorbent article individual package and method for manufacturing absorbent article individual package - Google Patents

Description

  The present invention relates to an individual package for absorbent articles and a method for producing an individual package for absorbent articles.

  Conventionally, the individual package of the absorbent article folded in the state where the absorbent article and the packaging material overlapped is known (patent document 1).

  In such an individual package of absorbent articles, the absorbent article is integrally wound and / or folded in the longitudinal direction to form a roll, and the packaging material sandwiches the roll. Folded in the longitudinal direction.

JP 2007-97923 A

  In such an individual package of absorbent articles, curled creases are attached to the absorbent article, and the absorbent article is rounded on the undergarment when the absorbent article is attached to the undergarment. If the absorbent article is worn on the underwear in a curled state, it may cause leakage or rash.

  Therefore, the present invention has been made in view of such a situation, and provides an individual package of absorbent articles that can be easily attached to underwear even from a small folded state, and a method of manufacturing an individual package of absorbent articles. The purpose is to do.

  A first feature of the present invention is that an absorbent article and a packaging material having a top sheet, a back sheet, and an adhesive layer for fixing to an undergarment, such that at least one end of the packaging material extends in the longitudinal direction. The absorbent article is an individual package body that is folded along the width direction in a state of being overlapped with each other and has an opening portion that seals one end portion of the packaging material, and the absorbent article is the opening portion. A longitudinal end adjacent to the longitudinal end, a rear end that is an end opposite to the longitudinal direction with respect to the distal end, and a width direction extending from the distal end toward the rear end. The first fold line, the second fold line, the third fold line, and the fourth fold line are provided in order, and the first fold line, the second fold line, and the third fold line are provided. Is a valley fold line with respect to the skin contact surface side of the absorbent article. Ri, the fourth fold line is summarized in that a convex fold against the skin contact surface side of the absorbent article.

  The second feature of the present invention is a method of manufacturing an individual package of absorbent articles that is folded in a state where the absorbent article and the packaging material overlap with each other, and the step of conveying the long body of the packaging material A and the step B of joining the absorbent article to the long body of the packaging material such that the width direction of the absorbent article is along the conveying direction of the long body of the packaging material, and the absorbent article and In the long joined body of the packaging material, the skin of the absorbent article is arranged so that the edge on the one side does not reach the edge on the opposite side from the edge on one side to the edge on the opposite side. In the step C folded to the contact surface side and the joined body folded in the step C, the edge on the one side is directed to the edge on the opposite side from the edge on the one side. On the skin contact surface side of the absorbent article so as not to reach the edge in the longitudinal direction of the absorbent article In the folding step D and the joined body folded in the step D, the opposite edge overlaps the packaging material from the opposite edge toward the one edge. And a step E of folding the absorbent article to the skin contact surface side.

  According to the features of the present invention, it is possible to provide an individual packaging body for absorbent articles that can be easily attached to underwear even from a small folded state, and a method for manufacturing the individual packaging body for absorbent articles.

It is a whole perspective view of the individual packaging body of an absorptive article concerning one embodiment of the present invention. It is an expansion | deployment top view (skin contact surface side) of the individual packaging body of the absorbent article which concerns on one Embodiment of this invention. It is sectional drawing of the individual packaging body of the absorbent article which concerns on this embodiment along the XX line shown in FIG. It is a figure for demonstrating the manufacturing method of the individual packaging body of the absorbent article which concerns on one Embodiment of this invention.

  With reference to FIG. 1 thru | or FIG. 4, the individual package 1 of the absorbent article which concerns on the 1st Embodiment of this invention is demonstrated.

  In the following description of the drawings, the same or similar parts are denoted by the same or similar reference numerals. However, it should be noted that the drawings are schematic and ratios of dimensions and the like are different from actual ones.

  Therefore, specific dimensions and the like should be determined in consideration of the following description. Moreover, the part from which the relationship and ratio of a mutual dimension differ also in between drawings may be contained.

  FIG. 1 is an overall perspective view of an individual packaging body 1 for absorbent articles according to the present embodiment, and FIG. 2 is an individual packaging body 1 for absorbent articles as viewed from the skin contact surface side in a state where the folds are extended. FIG. 3 is a cross-sectional view of the individual package 1 of the absorbent article along the line XX in FIG. 2, and FIG. 4 is a method for manufacturing the individual package 1 of the absorbent article. It is a figure for demonstrating the example of a position.

  The individual package 1 for absorbent articles according to the present embodiment is an individual package for absorbent articles such as panty liners (origami sheets), sanitary napkins, and incontinence pads.

  As shown in FIG. 1, the individual package 1 of the absorbent article which concerns on this embodiment has the longitudinal direction L and the width direction W. As shown in FIG.

  Moreover, as shown in FIG. 2, in the individual package 1 of the absorbent article which concerns on this embodiment, as for the absorbent article 10 and the packaging material 20, the one end part 4 of the packaging material 20 extends in the longitudinal direction L at least. In the state where they overlap each other, they are folded along the width direction W.

  Moreover, as shown in FIG. 1, the individual package 1 of the absorbent article which concerns on this embodiment has the opening part 2 for taking out the absorbent article 10 from the packaging material 20. As shown in FIG.

  Here, the unsealed part 2 seals the one end part 4 of the packaging material 20, and is a blank part between the sealing part 3 of the packaging material 20 and the front end F2 (described later) of the packaging material 20.

  As shown in FIG. 2, the absorbent article 10 includes a front end F1 that is an end portion in the longitudinal direction L adjacent to the opening portion 2, and a rear end B1 that is an end portion on the opposite side to the front end F1 in the longitudinal direction L. It has.

  Moreover, as shown in FIG. 2, the absorbent article 10 is extended along the width direction W, and the 1st fold line A and the 2nd fold line which were provided in order toward the rear end B1 from the front-end | tip F1. B, a third fold line C, and a fourth fold line D are provided.

  Here, the first fold line A, the second fold line B, and the third fold line C are valley fold lines with respect to the skin contact surface side of the absorbent article 10, and the fourth fold line D is the absorbent article 10. It is a mountain fold line with respect to the skin contact surface side.

  The length L5 in the longitudinal direction L from the fourth fold line D to the rear end B1 is longer than the length L2 in the longitudinal direction L of the region defined by the first fold line A and the second fold line B. It is configured to be shorter.

  In addition, the length L5 in the longitudinal direction L from the fourth fold line D to the rear end B1 is longer than the length L3 in the longitudinal direction L of the region defined by the second fold line B and the third fold line C. It is configured to be shorter.

  Further, the length L5 in the longitudinal direction L from the fourth fold line D to the rear end B1 is longer than the length L4 in the longitudinal direction L of the region defined by the third fold line C and the fourth fold line D. It is configured to be shorter.

  The length L3 in the longitudinal direction L of the region defined by the second fold line B and the third fold line C is the length of the region defined by the third fold line C and the fourth fold line D. You may be comprised so that it may become substantially equal to the length L4 of the direction L. FIG.

  Further, the length L1 in the longitudinal direction L from the first fold line A to the tip F1, the length L2 in the longitudinal direction L of the region defined by the first fold line A and the second fold line B, the second fold The length L3 in the longitudinal direction L of the region defined by the line B and the third fold line C, and the length L4 in the longitudinal direction L of the region defined by the third fold line C and the fourth fold line D And the length in the longitudinal direction L of the region defined by the first fold line A and the second fold line B in the length L5 in the longitudinal direction L from the fourth fold line D to the rear end B1. L2 may be configured to be the longest.

  According to such a configuration, in the step of folding the individual package 1 of the absorbent article in the longitudinal direction L, when the front end F1 of the absorbent article 10 is folded, the rear end B1 of the absorbent article 10 is also caught and folded. And the absorbent article 10 is not folded more than necessary, so that it is difficult to become wrinkles when worn on underwear.

  In addition, the packaging material 20 includes a front end F2 that is an end portion in the longitudinal direction L adjacent to the opening portion 2, and a rear end B2 that is an end portion on the opposite side of the longitudinal direction L with respect to the front end F2.

  Here, the packaging material 20 has at least a portion configured to be longer than the length of the absorbent article 10 in the width direction W.

  Further, the front end F2 of the packaging material 20 is configured to extend beyond the front end F1 of the absorbent article 10.

  Further, the fourth fold line D may be disposed on the rear end B1 side of the absorbent article 10 with respect to the rear end B2 of the packaging material 20.

  According to this structure, the manufacturing cost of the individual packaging body 1 of an absorbent article can be reduced by reducing the usage-amount of the packaging material 20. FIG.

  For example, the length L10 in the longitudinal direction L of the opening portion 2 is about 3 mm. Here, in consideration of the unsealing property of the absorbent article 1, the length L2 in the longitudinal direction L of the region defined by the first fold line A and the second fold line B is the tip from the first fold line A. You may be comprised so that it may become 3 mm or more longer than the length L1 of the longitudinal direction L to F1.

  As shown in FIG. 3, the absorbent article 10 includes a liquid-permeable top sheet 11, an absorbent sheet 12, and a nonwoven fabric back sheet 13 in order from the skin contact surface side.

  In addition, an adhesive layer 40 for fixing the absorbent article 10 to the underwear is formed on the non-skin contact surface side of the back sheet 13.

  Further, a release sheet 30 is provided on the non-skin contact surface side of the adhesive layer 40, and at least one side surface of a sheet-like material such as a film, nonwoven fabric or paper is subjected to a release treatment with silicon or the like. Yes.

  Here, the portion of the release sheet 30 that has been subjected to the release treatment is configured to cover at least the entire surface of the adhesive layer 40.

  The release sheet 30 is adhered to the back sheet 13 in a peelable state via the adhesive layer 40.

  Instead of providing the release sheet 30, a release process may be performed on the skin contact surface side of the packaging material 20.

  Further, the skin contact surface side of the absorbent article 10 may be configured to be embossed.

  Hereinafter, with reference to FIG. 4, the manufacturing method of the individual package 1 of the absorbent article which concerns on this embodiment is demonstrated.

  First, as shown to Fig.4 (a), the elongate body 20A of the packaging material 20 is conveyed (step 1), and the width direction of the absorbent article 10 is set to the conveyance direction MD of the elongate body 20A of the packaging material 20 The absorbent article 10 is joined to the long body 20A of the packaging material 20 so that W is along (step 2).

  Secondly, as shown in FIG. 4 (b), in the joined body 100 of the absorbent article 10 and the long body 20A of the packaging material 20, from one end E1 to the opposite edge E2, one side Is folded to the skin contact surface side of the absorbent article 10 (see arrow a in FIG. 4B) (step 3) so that the edge E1 does not reach the opposite edge E2. As a result, the above-described third fold line C is formed.

  Third, as shown in FIG. 4 (c), in the joined body 100 folded in Step 3, the edge E3 on one side is opposite from the edge E3 on one side to the edge E1 on the other side. Fold it to the skin contact surface side of the absorbent article 10 so that it does not reach the longitudinal edge F1 of the absorbent article 10 on the side (see arrow b in FIG. 4C) (step 4). As a result, the second fold line B and the fourth fold line D described above are formed.

  Fourth, as shown in FIG. 4 (d), in the joined body 100 folded in step 4, the opposite edge E2 extends from the opposite edge E2 toward the one edge E4. It folds to the skin contact surface side of the absorbent article 10 so as to overlap the packaging material 20 (see arrow c in FIG. 4D) (step 5). As a result, the first fold line A is formed.

  Fifthly, the individual package 1 of the absorbent article according to the present embodiment is obtained by cutting the joined body 100.

  When all of the fold lines in the individual package 1 of the absorbent article are valley fold lines with respect to the skin contact surface side, the folds of the absorbent article 10 at the time of opening are substantially arc-shaped tight curves Not only the operability when worn on the underwear of the absorbent article 10 is deteriorated, but also the wearability of the wearer's body and underwear is impaired, and the rear end B1 of the absorbent article 10 (the buttocks of the wearer) Of the absorbent article at a position opposite to the surface).

  On the other hand, according to the individual package 1 of the absorbent article according to the present embodiment, the fourth fold line D is a mountain fold line with respect to the skin contact surface side. The crease at 10 will draw a gentle semicircular curve as a whole, which improves the operability when the absorbent article 10 is worn on the underwear as compared to the case described above, and The fit to the body and underwear is improved, and the absorbent article is less likely to be turned up at the rear end B1 of the absorbent article 10 (position facing the wearer's buttocks).

  Conventionally, in order to fold the individual package 1 of the absorbent article into five in the longitudinal direction L, when all are folded to the skin contact surface side, four folding steps are required, but the absorption according to the present embodiment According to the manufacturing method of the individual packaging body 1 of the absorbent article, the individual packaging body 1 of the absorbent article is folded largely at the first time, and then the overlapping portion is folded again, so that the absorption is performed by performing the folding process three times. The individual packaging body 1 of the active article can be folded into five in the longitudinal direction L.

  As a result, the dimensional accuracy can be improved along with the simplification of the folding device for the individual package 1 of the absorbent article.

  Although the present invention has been described in detail using the above-described embodiments, it is obvious to those skilled in the art that the present invention is not limited to the embodiments described in this specification. The present invention can be implemented as modified and changed modes without departing from the spirit and scope of the present invention defined by the description of the scope of claims. Therefore, the description of the present specification is for illustrative purposes and does not have any limiting meaning to the present invention.

DESCRIPTION OF SYMBOLS 1 ... Individual package 10 of an absorbent article ... Absorbent article 11 ... Top sheet 12 ... Absorbent sheet 13 ... Back sheet 20 ... Packaging material 30 ... Release sheet 40 ... Adhesive layer

Claims (7)

Has a longitudinal direction and a width direction;
An absorbent article and a packaging material having a top sheet, a back sheet, and an adhesive layer for fixing to an undergarment are overlapped in the width direction in a state where at least one end of the packaging material extends in the longitudinal direction. An individual packaging body of an absorbent article that is folded along and has an opening portion that seals one end of the packaging material,
The absorbent article is
A tip that is an end in the longitudinal direction adjacent to the opening portion;
A rear end which is an end of the longitudinal direction opposite to the front end;
The first fold line, the second fold line, the third fold line, and the fourth fold line that extend along the width direction and are provided in order from the front end toward the rear end. ,
The first fold line, the second fold line, and the third fold line are valley fold lines with respect to the skin contact surface side of the absorbent article,
Said fourth folding line, Ri convex fold der against skin contact surface side of the absorbent article,
The absorbent article and the packaging material of the absorbent article, wherein the absorbent article and the packaging material are folded together at the third fold line .   The length in the longitudinal direction from the fourth fold line to the rear end is the length in the longitudinal direction of the region defined by the first fold line and the second fold line, and the second fold line. And the length in the longitudinal direction of the region defined by the third fold line, and the length in the longitudinal direction of the region defined by the third fold line and the fourth fold line. It is comprised so that it may become. The individual packaging body of the absorbent article of Claim 1 characterized by the above-mentioned. The packaging material is
A tip that is an end in the longitudinal direction adjacent to the opening portion;
A rear end that is an end portion of the longitudinal direction opposite to the front end,
The tip of the packaging material is configured to extend beyond the tip of the absorbent article,
The said 4th fold line is arrange | positioned in the said rear end side of the said absorbent article rather than the said rear end of the said packaging material, The individual packaging of the absorbent article of Claim 1 or 2 characterized by the above-mentioned. body.   The individual packaging body for absorbent articles according to any one of claims 1 to 3, wherein a release treatment is performed on a skin contact surface side of the packaging material. The said opening part is the blank part between the front- end | tip which is the edge part of the said longitudinal direction adjacent to the said opening part of the said packaging material, and a seal part, The any one of Claim 1 to 4 characterized by the above-mentioned. An individual package of the absorbent article according to claim 1.   The said absorbent article does not have a hip flap, The individual package of the absorbent article in any one of Claims 1-5 characterized by the above-mentioned. A method for producing an individual package of an absorbent article that is folded in a state where the absorbent article and the packaging material overlap with each other,
Step A for conveying the long body of the packaging material;
A step B of joining the absorbent article to the elongated body of the packaging material such that the width direction of the absorbent article is along the conveyance direction of the elongated body of the packaging material;
From the end of one side in the crossing direction orthogonal to the transport direction of the joined body of the absorbent article and the long body of the packaging material toward the opposite end , the one end is on the opposite side Folding the absorbent article and the packaging material to the skin contact surface side of the absorbent article so as not to reach the end , and
Wherein the conjugate folded state by step C, and towards the end of the opposite side from the one side edge in the cross direction, such that the one side of the edge does not reach the end of the opposite , The step D of folding the portion where the joined body is overlapped by being folded by the step C to the skin contact surface side of the absorbent article;
After the step D , there is a step E of folding the joined body to the skin contact surface side of the absorbent article such that the opposite end overlaps the packaging material. A method for manufacturing an individual package of articles.

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