JP2007185270A - Disposable absorbent article - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a disposable absorbent article which facilitates its application along with an improved look when folded by restricting its thickness to make it foldable compact. <P>SOLUTION: A back side flap part 16 and a belly side flap part 18 are folded on the first and second folding lines 21 and 21 and 22 and 22. The body 1 of the absorbent article as the portion outward from the third folding lines 23 and 23 is folded back to the side of a surface sheet 2 so as to keep the first folding lines 21 and 21 from overlapping each other along the third folding lines 23 and 23. This also keeps the portions folded back of the absorbent 4 from overlapping each other and so, restricts the thickness of the absorbent article body 1 being folded, thereby making the body 1 of the absorbent article foldable compact. The inward folding of leg gathers improves the look when folded. The second back side folding back part is folded back along the second folding lines 22 and 22. The folded back part is opened with the body 1 of the absorbent article folded back to expose a tape part 31, thereby facilitating the application of the article. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a disposable absorbent article for children, adults or incontinence.

Conventionally, this type of disposable absorbent article has a liquid-permeable top sheet, a liquid-impervious back sheet, and an absorbent body disposed between the top sheet and the back sheet, and is in the longitudinal direction. The dorsal side, the crotch part, and the abdominal side part are sequentially formed, and the dorsal flap part, the crotch flap part, and the ventral side flap part are formed on both sides of the dorsal side part, the crotch part, and the abdominal side part. The flap part includes an absorbent article main body in which leg gathers are disposed along the longitudinal direction, and leg leg parts are cut out on both sides of the crotch part. Surface fasteners that join the back side portion and the abdominal side portion project from both side portions of the back side flap portion. And the free end part which is the both sides of this back side flap part is bent so that this free end part may face outward along the folding line formed along the longitudinal direction (for example, patent) Reference 1).
JP 2002-631 A (page 2-3, FIG. 3)

  In the above-mentioned disposable absorbent article, for example, the collar part can be easily placed on the central part of the absorbent article main body by being positioned from the side on the collar part of the wearer in the side collar state. Therefore, this disposable absorbent article is effective at the time of wearing.

  However, when the above-mentioned disposable absorbent article with the folded back flap portion is folded in the longitudinal direction in order to enclose it in the package, the longitudinal dimension is shortened by bending as shown in FIG. However, since only the back flap portion is folded in the width direction, the width dimension is not so short, the folded state becomes large, and the package becomes large.

  In addition, since both sides of the leg circumference are not folded along the longitudinal direction, the leg gathers are exposed to the outside in the folded state, so that the leg gathers contract and the folded state is not beautiful and looks good. There is also the problem of getting worse.

  The present invention has been made in view of the above points, and provides a disposable absorbent article that can be folded compactly while suppressing its thickness, improves the appearance in the folded state, and is easy to wear. Objective.

  The disposable absorbent article according to claim 1 has a top sheet, a back sheet, and an absorbent body disposed between the top sheet and the back sheet, and a back side part, a crotch part, and an abdomen in the longitudinal direction. Side portions are sequentially formed, and a dorsal flap portion, a crotch flap portion, and a ventral flap portion are formed on both sides of the dorsal side portion, the crotch portion, and the abdominal side portion, and along the crotch flap portion along the longitudinal direction. A disposable absorbent article provided with an absorbent article body in which leg gathers are disposed and leg leg portions are notched on both sides of the crotch part, wherein the dorsal flap part and the ventral side A first fold line along the longitudinal direction in the vicinity of both side edges of the absorbent body, and an outer side of the first fold line along the longitudinal direction in the deployed state of the absorbent article main body in the flap portion A second folding line is formed and said back The flap portion and the ventral flap portion are folded along the first folding line with the topsheet facing inward to form a first dorsal folding portion and a first ventral folding portion, and the first folding curve The absorbent article body folded along the second folding line is folded back along the second folding curve to the upper surface side of the back side flap portion and the ventral side flap portion, and the first back side folding portion and the first back side folding portion. A second dorsal folded portion and a second ventral folded portion facing the one ventral folded portion are formed, and along the longitudinal direction on the dorsal side and the ventral sides, the inner side edges of the absorber A third folding curve is formed, and the absorbent article main body of the outer part from the third folding curve is located on the top sheet side so that the first folding curves do not overlap with each other along the third folding curve. The folded portion is formed by folding, the first folding line, In the state where the absorbent article main body is bent along the second folding curve and the third folding curve, a fourth folding curve that equally divides the absorbent article main body in the longitudinal direction is formed along the width direction. It is.

  The disposable absorbent article according to claim 2 is the disposable absorbent article according to claim 1, wherein the third folding line is inward of the leg gathers at the crotch flap portion and in the vicinity of both side edges of the absorber. Is formed.

  The disposable absorbent article according to claim 3 is the disposable absorbent article according to claim 1 or 2, wherein the absorbent article along the first folding line and the second folding line is formed on the side of the second back folding part. In the state where the main body is bent, a protruding portion protruding from the first folding line is formed, and in the state where the absorbent article main body is folded along the third folding curve, at least a part of the protruding portion is above the folding portion. Is located.

  The disposable absorbent article according to claim 4 is the disposable absorbent article according to any one of claims 1 to 3, wherein the first dorsal folded part and the second dorsal folded part are fixed in a peelable manner. Is.

  According to invention of Claim 1, the 1st folding line formed in the back side flap part and the abdominal side flap part along the longitudinal direction in the vicinity of both edges of the absorber, and outward from the first folding line Fold the dorsal flap portion and ventral flap portion with the second folding curve located, and more than the third folding curve formed on the dorsal side and ventral side portions along the longitudinal direction inside the absorbent side edges. By folding the absorbent article main body of the outer part toward the top sheet side so that the first folding curves do not overlap each other along the third folding curve, the absorbent bodies folded by the third folding curve do not overlap each other. The thickness of the absorbent article main body in the folded state is suppressed, and the absorbent article main body can be folded compactly by the first fold curve or the third fold curve, and the leg gathers are folded inward, so that it is folded Improved appearance in condition And by folding back the second back side folding part and the second ventral side folding part along the second folding curve, for example, at least one of the second back side folding part and the second ventral side folding part If the tape part etc. which adhere to the other of these 2nd back side folding parts and the 2nd abdominal side folding parts are provided in this, this tape part etc. will be exposed by opening a folding part from the state where the absorptive article main part was folded up And easy to install.

  According to the second aspect of the present invention, the third folding curve is formed in the crotch flap portion inward of the leg gathers and in the vicinity of both side edges of the absorber, so that the third folding curve is formed in the crotch portion. By folding along the curve, the absorbent body does not overlap, the thickness in the folded state can be further suppressed, and the absorbent body in the crotch portion is not folded and becomes wrinkles.

  According to invention of Claim 3, at least one of the protrusion parts of the 2nd back side folding | returning part which protrudes from a 1st fold curve in the state which bent the absorbent article main body along the 1st fold curve and the 2nd fold curve. The part is positioned on the upper side of the third folded part in a state where the absorbent article body is folded along the third folding line, so that the folded part, the second back side folded part, and the second The abdominal side folding part, the first back side folding part and the first abdominal side folding part can be opened sequentially and can be easily deployed, so that the mounting is facilitated.

  According to invention of Claim 4, the 1st back side folding | returning part and the 2nd back side folding | returning part are fixed so that peeling is possible, and the folding state of a 1st back side folding | returning part and a 2nd back side folding | returning part is carried out The folding state can be prevented from being inadvertently opened before wearing, and the adhering part between the first dorsal folded part and the second dorsal folded part touches the wearer's skin. Since it is disposed at a position where there is no discomfort, it does not cause a sense of incongruity when worn.

  Hereinafter, the structure of the disposable absorbent article of the 1st Embodiment of this invention is demonstrated with reference to drawings.

  FIG. 1 shows a disposable absorbent article, which includes an absorbent article body 1 having a longitudinal direction and a width direction. Further, the absorbent article main body 1 has a top sheet 2, a back sheet 3, and an absorbent body 4 having a liquid retaining property disposed between these sheets 2 and 3, and in an unfolded state shown in FIG. It is formed symmetrically with respect to the center in the width direction so as to be symmetrical with respect to the line and has an elongated rectangular shape.

  Further, the absorbent article main body 1 has a back side portion 11 on the back side of the wearer and a leg circumference portion 12 located around the legs on both sides along the longitudinal direction. The crotch part 13 and the abdomen side part 14 which becomes the abdomen side of the wearer are sequentially formed.

  And on both sides of the dorsal side portion 11, on both sides of the crotch portion 13 and on both sides of the ventral side portion 14, the dorsal side flap portions 16, 16 are located on the sides of the absorbent body 4, respectively. 17, 17 and ventral flaps 18, 18 are formed.

  In the absorbent article body 1, a first fold line 21, a second fold line 22 and a third fold line 23 are formed substantially parallel to each other along the longitudinal direction, and, for example, 2 along the width direction. Four fourth folding lines 24 are formed.

  The surface sheet 2 is formed of, for example, a woven fabric, a nonwoven fabric, a porous film, a synthetic fiber, or the like, and has hydrophilicity or liquid permeability that allows permeation such as urine to permeate the absorbent body 4. In addition, this surface sheet 2 may have the structure by which the solid gather sheet formed so that it stood up at the time of use may be formed in the both sides along the longitudinal direction.

  The rear surface sheet 3 is joined to the lower surface periphery of the top sheet 2 with an adhesive or the like at the upper surface periphery. Further, the back sheet 3 has water repellency or liquid impermeability through which excretion liquid such as urine cannot permeate, and is formed of a film-like sheet of synthetic resin such as polyolefin such as polyethylene resin.

  The absorbent body 4 is formed of a material that can absorb excrement such as urine, for example, pulp as a main material and partly containing a substance such as a polymer absorber, and is located on the back side portion 11. It has the absorber part 26, the abdominal-side absorber part 27 located in the abdominal part 14, and the crotch absorber part 28 located in the crotch part 13 continuously between these absorber parts 26 and 27. . In addition, on both sides of the crotch absorber part 28, notch recesses 29 and 29 are provided on both sides corresponding to the notch shape of the leg periphery 12.

  The crotch portion 13 is shorter than the back side portion 11 and the abdominal side portion 14 in the width direction, and is formed in a substantially straight shape along the longitudinal direction.

  Each back side flap part 16 is formed by joining the top sheet 2 and the back sheet 3, located outside the back side absorbent body part 26, and the side part is formed in a free end shape. Further, on both sides of the free end shape of each back side flap portion 16, tape portions 31 that are engaged with a tape receiving portion (not shown) provided on the back sheet 3 side of the abdominal side flap portion 18 are provided. Yes. In addition, these tape parts 31 can be made into arbitrary things, such as an adhesive tape or a planar fastener.

  Each crotch flap portion 17 is formed by joining the top sheet 2 and the back sheet 3 between the leg portions 12 and 12 and the notch recesses 29 and 29 of the absorbent body 4, and in the center region in the width direction thereof. An elastic body 33 is provided. Here, the elastic body 33 is, for example, a thread-like elastic body, and a plurality of elastic bodies 33 are arranged in a stretched state in parallel with each other. Further, both end portions in the longitudinal direction of the elastic bodies 33 are extended to the vicinity of the back-side absorber portion 26 and the ventral-side absorber portion 27 of the absorber 4, respectively. The elastic body 33 may be a belt-like elastic body or the like, or may be constituted by only one. Due to the contraction of the elastic bodies 33, leg gathers (not shown) are formed in the crotch flap portions 17 along the longitudinal direction.

  Each ventral flap 18 is formed by joining the topsheet 2 and the backsheet 3, is located outside the ventral absorber 27, and the side is formed as a free end. Further, the width dimension of these ventral flap portions 18 is formed substantially equal to each back flap portion 16.

  The first folding line 21 is formed along the same straight line on each back flap portion 16 and each ventral flap portion 18 located on the same side in the width direction of the absorbent article body 1. Further, the first folding line 21 does not increase in size in the folded state of the absorbent article main body 1 and does not overlap with the absorber 4 so that the thickness does not increase. It is preferable that it is located in the side edge vicinity of 4. That is, each first folding line 21 is formed at a position that substantially overlaps the inner edge of each leg periphery 12 along the side edges of the back-side absorbent part 26 and the ventral-side absorbent part 27.

  Then, by folding the absorbent article body 1 along the first folding curve 21 with the topsheet 2 facing inward, the back flap portions 16 and the ventral flap portions 18 can be used as shown in FIG. As shown in FIG. 2, each first dorsal folded portion 36 and each first ventral folded portion 38 are formed.

  The second folding curve 22 is spaced outward from the first folding curve 21 in the width direction of the absorbent article main body 1 in the unfolded state, and extends along the same straight line to the back flap portion 16 and the ventral flap portion 18. Is formed. And each 1st back side folding | returning part 36 and each 1st abdominal side folding | returning part 38 of the absorbent article main body 1 bent along the 1st folding line 21 are folded along each 2nd folding line 22, respectively. Thus, each first back side folding part 36 and each first ventral side folding part 38 form each second back side folding part 41 and each second ventral side folding part 43.

  Here, if the width dimension of each second back side folding part 41 is smaller than the length of the tape part 31, the tape part 31 is folded when each second back side folding part 41 is folded from each second folding line 22. Since the tape portion 31 may be bent and difficult to use at the time of mounting, each second folding curve 22 is a position where the width dimension of each second back side folding portion 41 is larger than the length of the tape portion 31. It is preferable to form.

  The second back side folded portion 41 is fixed to the first back side folded portion 36 so as to be peelable. This fixing may be impossible to re-fix by, for example, embossing, heat sealing, or adhesive, or may be possible to re-fix by a surface fastener or the like. In addition, when the 1st back side folding | returning part 36 and the 2nd back side folding | returning part 41 are fixed by a planar fastener, each opposing surface side of the 1st back side folding | returning part 36 and the 2nd back side folding | returning part 38 The hook member and the hook receiving member are disposed on the tape portion, preferably the hook member is disposed on the tape portion, and the hook receiving member is disposed on a part of the first back side folded portion 36, or the first back side folded portion. The whole 36 is configured to be engageable with the hook member.

  Each third folding line 23 is spaced inwardly of the first folding line 21 in the width direction of the absorbent article body 1 in the unfolded state, that is, on the center side in the width direction, in other words, opposite to the second folding line 22. It is formed along the same straight line in the longitudinal direction across the back side portion 11 and the abdominal side portion 14 so as to be inward from both side edges of the absorber 4, that is, to overlap the absorber 4. Each of the third folding lines 23 of the absorbent article body 1 in which the first back side folding part 36, the first ventral side folding part 38, the second back side folding part 41, and the second ventral side folding part 43 are formed. Each folding portion 45 is formed by folding the outer portion along the third folding curve 23 toward the surface sheet 2 side.

  The folding portions 45 and 45 are folded so that the first folding curves 21 and 21 do not overlap each other. In other words, the distance between the third folding curves 23 and 23 is set to be at least twice the distance between the first folding curves 21 and 21 and the third folding curves 23 and 23. On the other hand, if the width dimension of the folding parts 45, 45 is too small, the absorbent article body 1 is not compact along the third folding curves 23, 23, so the width dimension of the folding parts 45, 45 is possible. Make it as big as possible. Therefore, the third folding curves 23 and 23 are formed so as to be symmetrical with the second folding curves 22 and 22 across the first folding curves 21 and 21, and absorption along the third folding curves 23 and 23 is performed. It is preferable to make the first folding lines 21 and 21 of the folded portions 45 and 45 face each other as close as possible when the property article main body 1 is folded.

  And, as shown in FIGS. 2 (b) and 2 (c), the fourth fold line 24 is formed from the absorbent article body 1 bent along the first fold line 21 to the third fold line 22 in the longitudinal direction. For example, it is formed at a position equally divided into three.

  Next, the operation of the first embodiment will be described.

  When folding the disposable absorbent article, first, as shown on the left side of FIG. 2 (a), the absorbent article body 1 is placed along the first folding curve 21 with the topsheet 2 facing inward and the back flap 16 And the ventral flap 18 is folded back to form the first dorsal folded portion 36 and the first ventral folded portion 38, and then the first dorsal folded portion 36 and the first ventral folded back along the second folding curve 22. The part 38 is folded back to form a second dorsal folded part 41 and a second ventral folded part 43 as shown on the right side of FIG.

  Next, the absorbent article main body 1 bent by the first fold curve 21 and the second fold curve 22 is folded back toward the top sheet 2 along the third fold curves 23 and 23, and is shown in FIG. 2 (b). Thus, the folded portions 45 are formed.

  Then, the absorbent article main body 1 is bent along the fourth folding curves 24 and 24, and the absorbent article main body 1 is folded as shown in FIG. 2 (c).

  In this folded state, the absorbent article body 1 is sealed in a package (not shown).

  When the disposable absorbent article is attached, the folded absorbent article body 1 is taken out from the enclosed package or the like, and the absorbent article body 1 is opened in the longitudinal direction along the fourth folding curves 24 and 24. Then, the folding portions 45, 45 are opened along the third folding curves 23, 23.

  And the absorbent article main body 1 which opened this folding | returning parts 45 and 45 is applied to a wearer's body, the 2nd folding curves 22 and 22 are pulled, and the 1st folding curves 21 and 21 and the 2nd folding curves 22 and 22 The first dorsal folded portion 36 and the first ventral side folded portion 38, the second dorsal folded portion 41 and the second ventral folded portion 43 are opened, and the absorbent article main body 1 is in an unfolded state. Each tape part 31 is fixed to each tape receiving part.

  As described above, in the first embodiment, the first folding curves 21 and 21 formed on the back flap portion 16 and the ventral flap portion 18 along the longitudinal direction in the vicinity of both side edges of the absorber 4 and In addition, the dorsal flap portion 16 and the ventral flap portion 18 are folded at the second folding curves 22 and 22 located outside the first folding curves 21 and 21, and at the inner sides of both sides of the absorbent body 4 The absorbent article body 1 in the outer part of the third folding curves 23, 23 formed on the back side portion 11 and the ventral side portion 14 along the longitudinal direction is the first folding along the third folding curves 23, 23. It was set as the structure which it folds back to the surface sheet 2 side so that the curves 21 and 21 may not overlap.

  For this reason, the absorbent bodies 4 folded back by the third folding lines 23 and 23 do not overlap each other, and at most, the thickness is equal to the two layers of the absorbent body 4 so that a part of the absorbent body 4 does not become too thick and is folded. The absorbent article body 1 can be folded in a compact manner by the first folding lines 21 and 21 to the third folding lines 23 and 23 while suppressing the thickness of the absorbent article body 1 in the state in which the absorbent article body 1 is disposed. The package can be made smaller.

  Moreover, since a leg gather is folded inward in the state which folded the absorbent article main body 1, the leg gather is not exposed outside and the appearance of the absorbent article main body 1 in the folded state is improved.

  Furthermore, the tape part 31 provided in the 2nd back side folding | returning part 41 is folded from the state which folded the absorbent article main body 1 by folding the 2nd back side folding | returning part 41 along the 2nd folding lines 22 and 22. Since the tape portion 31 is exposed by opening the portion 45, the mounting becomes easy.

  In addition, by forming the second folding curves 22 and 22 at positions where the width dimension of the second back folding portions 41 and 41 is larger than the length of the tape portion 31, each second folding curve 22 is connected to each second back side. When the folded portion 41 is folded back, the tape portion 31 is not bent, and the tape portion 31 can be easily used at the time of mounting and can be mounted more easily.

  And the longitudinal dimension of the absorbent article main body 1 in the folded state can be suppressed by forming the fourth folding lines 24, 24 so that the longitudinal direction of the absorbent article main body 1 is divided into three equal parts, and absorption. The property article main body 1 can be folded more compactly.

  Moreover, the 1st back side folding | returning part 36 and the 2nd back side folding | returning part 41 are fixed so that peeling is possible, and the folding state of the 1st back side folding | returning part 36 and the 2nd back side folding | returning part 41 is maintained. The folded state can be prevented from being inadvertently opened before wearing, and the fixing portion between the first dorsal folded portion 36 and the second dorsal folded portion 41 is on the opposite side of the wearer's skin, That is, since it is disposed at a position where it does not touch the wearer's skin, there is no sense of incongruity during wearing.

  Next, a disposable absorbent article according to a second embodiment will be described with reference to FIG. In addition, about the structure and effect | action similar to the said 1st Embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  In the disposable absorbent article according to the second embodiment, as shown in FIGS. 3 (a) and 3 (b), the fourth folding line 24 bisects the absorbent article body 1 in the longitudinal direction. That is, it is formed at the center position of the absorbent article main body 1 in the longitudinal direction, and the other parts have basically the same configuration as that of the first embodiment.

  And by bending from the 4th folding line 24 in this way, the thickness of the absorbent article main body 1 in a folded state is suppressed, and the absorbent article main body 1 can be folded compactly.

  Next, the disposable absorbent article of 3rd Embodiment is demonstrated with reference to FIG. In addition, about the structure and effect | action similar to said each embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  In the third embodiment, as shown in FIGS. 4 (a) to 4 (c), the third folding lines 23 and 23 are inward of the leg gathers and the absorbent body of the crotch portion 13 is used. 4 is disposed in the crotch flap portion 17 in the vicinity of both side edges.

  Then, by forming the third folding lines 23 and 23 in this way, the crotch part 13 is folded along the third folding lines 23 and 23 in the crotch part 13 so that the crotch absorbent part of the absorbent body 4 is located in the crotch part 13. 28 does not overlap, and the thickness of the absorbent article main body 1 in the folded state can be further suppressed, and the crotch absorbent part 28 is not folded and wrinkled.

  Further, the fourth folding lines 24 and 24 are located on the crotch part 13 side from the boundary part between the back side part 11 and the crotch part 13 or the boundary part between the abdomen side part 14 and the crotch part 13. In this case, the thickness of the absorbent article body 1 in the folded state can be further suppressed.

  Next, a disposable absorbent article according to a fourth embodiment will be described with reference to FIG. In addition, about the structure and effect | action similar to said each embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  As shown in FIG. 5 (a) and FIG. 5 (b), the fourth embodiment has a free end side portion opposite to the second folding line 22 of the second back side folding portion 41. A protruding portion 48 that protrudes from the first folding line 21 in a state where the absorbent article main body 1 is bent along the first folding line 21 and the second folding line 22 is formed.

  That is, the second back side folding part 41 is formed to have a width dimension larger than that of the portion between the first folding line 21 and the second folding line 22 of the first back side folding part 36. In other words, in the back side flap part 16 of the absorbent article main body 1 in the unfolded state, the second folding line 22 is unevenly distributed on the first folding line 21 side with respect to the center line in the width direction of the back side flap part 16. Yes.

  Further, the protruding portion 48 is configured to be positioned on the upper surface side of the folded portion 45 in a state where the absorbent article main body 1 is folded along the third folding curve 23. That is, the protruding amount of the protruding portion 48 is formed larger than the distance between the folded portions 45, 45.

  And by comprising in this way, the protrusion part 48 is pinched and the folding | returning part 45, the 2nd back side folding | returning part 41, the 2nd abdominal side folding | returning part 43, the 1st back side folding | returning part 36, and the 1st abdominal side Since the folding | returning part 38 can be opened sequentially and the absorbent article main body 1 can be made into an unfolded state easily, mounting | wearing becomes easy.

  In the fourth embodiment, the protrusions 48 may be provided on the left and right dorsal flap portions 16 and 16, respectively. In this case, it is preferable that both projecting portions 48 are positioned on the upper surface side of both folded portions 45, 45, but at least one of the projecting portions 48 is on the upper surface side of the other folded portion 45. If it is located in, it can have an effect similar to the said 3rd Embodiment.

  In each of the above embodiments, each of the flap portions 16, 17, 18 is formed of only the top sheet 2, only the back sheet 3, or other sheets joined to the top sheet 2 or the back sheet 3, respectively. Or may be formed from any combination of these sheets.

It is a top view which shows the expansion | deployment state of the disposable absorbent article of the 1st Embodiment of this invention. (a) is a plan view showing the folded state from the first folding curve and the second folding curve of the disposable absorbent article same as above, (b) is a plan view showing the folded state from the third folding curve of the same disposable absorbent article. (C) is a top view which shows the bending state from the 4th fold curve of a disposable absorbent article same as the above. (a) is a top view which shows the bending state from the 1st folding curve thru | or 3rd folding curve of the disposable absorbent article of the 2nd Embodiment of this invention, (b) is the 4th folding of a disposable absorbent article same as the above. It is a top view which shows the bending state from a curve. (a) is a top view which shows the expansion | deployment state of the disposable absorbent article of the 3rd Embodiment of this invention, (b) is the folding state from the 1st folding curve and 2nd folding curve of a disposable absorbent article same as the above. The top view to show, (c) is a top view which shows the bending state from the 3rd folding curve of a disposable absorbent article same as the above. (a) is a top view which shows the bending state from the 1st folding curve and 2nd folding curve of the disposable absorbent article of the 4th Embodiment of this invention, (b) is the 3rd folding of a disposable absorbent article same as the above. It is a top view which shows the bending state from a curve.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Absorbent article body 2 Top sheet 3 Back sheet 4 Absorber
11 Dorsal side
12 Leg circumference
13 Crotch
14 Ventral
16 Back flap
17 Crotch flap
18 Ventral flap
21 First fold curve
22 Second Fold Curve
23 3rd Fold Curve
24 4th Fold Curve
36 First dorsal folding part
38 First ventral part
41 Second dorsal part
43 Second ventral part
45 Turning section
48 Protrusion

Claims (4)

It has a top sheet, a back sheet, and an absorbent body disposed between the top sheet and the back sheet, and a back side part, a crotch part, and a ventral part are sequentially formed in the longitudinal direction. The dorsal flap portion, the crotch flap portion and the abdominal flap portion are formed on both sides of the crotch portion and the abdominal side portion, and leg gathers are disposed along the longitudinal direction in the crotch flap portion, and A disposable absorbent article provided with an absorbent article body in which leg portions are cut out on both sides of the crotch part,
A first fold line along the longitudinal direction in the vicinity of both side edges of the absorbent body, and an unfolded state of the absorbent article main body outside the first fold curve at the back flap portion and the ventral flap portion. A second folding line is formed along the longitudinal direction,
Folding the back flap portion and the ventral flap portion along the first folding curve with the topsheet facing inward, a first back folding portion and a first ventral folding portion are formed,
The absorbent article body folded along the first folding line is folded back to the upper surface side of each of the back flap portion and the ventral flap portion along the second folding curve, and the first back A second dorsal folded portion and a second ventral folded portion facing the side folded portion and the first ventral folded portion are formed;
A third folding line along the longitudinal direction is formed on the dorsal side and the ventral side at the inner side edges of the absorber,
The absorbent article main body at the outer part of the third folding line is folded back toward the top sheet side so that the first folding lines do not overlap with each other along the third folding curve to form a folded portion. ,
In a state where the absorbent article main body is bent along the first fold curve, the second fold curve, and the third fold curve, a fourth fold curve that equally divides the absorbent article main body in the longitudinal direction is a width direction. A disposable absorbent article characterized by being formed along the line. The disposable absorbent article according to claim 1, wherein the third folding line is formed in the crotch flap portion inward of the leg gathers and in the vicinity of both side edges of the absorbent body. A protruding portion that protrudes from the first folding curve in a state where the absorbent article main body is folded along the first folding curve and the second folding curve is formed on the side of the second back folding portion,
3. The disposable absorbent according to claim 1, wherein at least a part of the protruding portion is positioned above the folded portion in a state in which the absorbent article main body is folded along a third folding line. Goods. The disposable absorbent article according to any one of claims 1 to 3, wherein the first back-side folded portion and the second back-side folded portion are fixed in a peelable manner.

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