JP2012040274A - Absorbent article, disposable diaper, pants type disposable diaper, and combination absorbent article - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an absorbent article, a disposable diaper and the like, which are configured so that an adhesive tape of an absorbent pad can be peeled without breakage of an inside sheet material in replacement of the absorbent pad.SOLUTION: The disposable diaper 1 includes: the inside sheet material 5 having a liquid-permeable top portion 11 provided at the lateral center; a liquid-impermeable outside sheet material disposed on the outer surface side of the inside sheet material 5; and an absorbent core 7 including an absorbent material for absorbing moisture, the absorbent core being disposed between the inside sheet material 5 and the outside sheet material. The top portion 11 of the inside sheet material 5 includes a reinforcement portion 21 in which the strength is partially reinforced.

Description

  The present invention relates to an absorbent article, a disposable diaper, a pants-type disposable diaper, and a combination absorbent article to be worn in a region including a wearer's crotch.

  Absorbent articles for adults, for example, disposable diapers, use of disposable diapers and absorbent pads laid on the skin surface for the purpose of reducing costs or reducing the frequency of changing diapers at night, etc. The number of cases used in combination is increasing. Since the absorbent pad is less expensive than the disposable diaper, the cost can be reduced by replacing only the absorbent pad at the time of replacement. Moreover, by using an absorption pad together, absorption capacity, such as urine of a diaper, is reinforced and the exchange frequency of diapers at night etc. can be suppressed.

  For this reason, some absorbent pads are provided with an adhesive tape for preventing misalignment when laid on the skin surface side of the absorbent article. However, when the absorbent pad adhesive tape is peeled off from the skin side surface of the absorbent article, the inner sheet material that forms the skin side surface of the absorbent article may be damaged. Alternatively, the adhesive tape of the absorbent pad is difficult to peel off from the inner sheet material of the absorbent article, and it may take time to peel off.

  As a countermeasure, a method of reducing the adhesive strength of the adhesive tape of the absorbent pad can be considered. However, since the nonwoven fabric is often used for the inner sheet material of the absorbent article, if the adhesive strength of the adhesive tape is reduced, the adhesive tape of the absorbent pad becomes difficult to adhere to the inner sheet material, and the adhesive strength of the adhesive tape There is a problem that decreases.

  In addition, as a disposable diaper which considered combined use of an absorption pad, there exists a thing of patent document 1, for example. In this disposable diaper, a pocket that can be positioned by inserting an absorbent pad is formed on the skin surface side of the diaper (see summary, etc.).

No. 01/039714

  Therefore, a first problem to be solved by the present invention is an absorbent article, a disposable diaper, a pants-type disposable diaper capable of peeling off the adhesive tape of the absorbent pad without damaging the inner sheet material when the absorbent pad is replaced, and It is to provide a combined absorbent article.

  In addition, the second problem to be solved by the present invention is that sufficient adhesive strength of the absorbent pad adhesive tape to the top portion of the inner sheet material can be obtained, and the absorbent pad adhesive tape can be easily pulled when replacing the absorbent pad. It is to provide an absorbent article, a disposable diaper, a pants-type disposable diaper and a combination absorbent article that can be peeled off.

  In order to solve the above-described problem, in the invention of claim 1, the absorbent article is mounted in a region including the wearer's crotch portion, and a liquid-permeable top portion is provided in the center in the lateral direction. An inner sheet material, an impermeable liquid, an outer sheet material disposed on the outer surface side of the inner sheet material, an absorbent material that absorbs moisture, and the inner sheet material and the outer sheet material And a reinforcing portion partially reinforced in strength at the top portion of the inner sheet material.

  In the second aspect of the present invention, in the absorbent article according to the first aspect of the invention, the reinforcing portion of the top portion is an absorbent pad attached to the skin surface side of the absorbent article in the top portion. It is provided at a position corresponding to the adhesive tape for preventing misalignment provided on the outer surface side.

  Moreover, in invention of Claim 3, in the absorbent article which concerns on invention of Claim 1 or Claim 2, the said reinforcement part of the said top part has a color different from the other part of the said top part. .

  According to a fourth aspect of the present invention, in the absorbent article according to any one of the first to third aspects, the reinforcing portion of the top portion is bonded to the skin surface side of the sheet forming the top portion. Provided with a reinforcing sheet.

  Moreover, in invention of Claim 5, in the absorbent article which concerns on invention of any one of Claim 1 thru | or 3, the said reinforcement part of the said top part is a space | interval in the skin surface side of the sheet | seat which forms the said top part. And a plurality of reinforcing sheets that are arranged in parallel with each other and bonded to each other and have a substantially band-like form.

  Moreover, in invention of Claim 6, in the absorbent article which concerns on Claim 4 or Claim 5, the skin surface side surface of the said reinforcement sheet with which the said reinforcement part is equipped assists adhesion and peeling of an adhesive tape. Exfoliation processing is given.

  According to a seventh aspect of the present invention, in the absorbent article according to any one of the first to third aspects, the top portion is formed of a liquid-permeable nonwoven sheet, and the reinforcement of the top portion is provided. The portion includes a plurality of embossed portions formed by melting the nonwoven fabric sheet forming the top portion while being partially pressurized.

  Moreover, in invention of Claim 8, it is a disposable diaper provided with the absorbent article which concerns on either invention of Claim 1 thru | or 7, Comprising: The said invention which concerns on any one of Claim 1 thru | or 7 A diaper main body constituted by an absorbent article; an adhesive sheet applied to the front side in the vertical direction on the outer surface side of the diaper main body; and edges on both sides in the horizontal direction on the rear side in the vertical direction of the diaper main body And left and right fastening members that are detachably attached to the attachment sheet.

  Moreover, in invention of Claim 9, it is a underpants type disposable diaper provided with the absorbent article which concerns on invention of any one of Claim 1 thru | or 7, Comprising: A front part, a back part, the said front part, An exterior material having a crotch portion provided between the back portion and the lateral edge of the front abdomen and the lateral edges of the back portion of the back portion; It is comprised by the said absorbent article which concerns on invention of any one of Claims 1 thru | or 7, and is provided with the interior material provided to the skin surface side of the said exterior material.

  The invention according to claim 10 is a combination absorbent article comprising the absorbent article according to any one of claims 1 to 7, wherein the invention relates to any one of claims 1 to 7. The absorbent article is provided with an adhesive pad for preventing misalignment on the outer surface side and mounted on the skin surface side of the absorbent article.

  According to invention of Claim 1 thru | or 10, the reinforcement part by which the intensity | strength was partially reinforced is provided in the top part of the inner side sheet material. For this reason, by attaching the adhesive tape for preventing the displacement of the absorbent pad to the reinforcing portion, the adhesive tape can be peeled off without damaging the inner sheet material when the absorbent pad is replaced.

  Moreover, by mounting the absorbent pad so that the adhesive tape for preventing the displacement of the absorbent pad is aligned with the reinforcing portion, the absorbent pad can be mounted at an appropriate position on the skin surface side of the absorbent article.

  According to invention of Claim 3, since the reinforcement part of a top part has a color different from the other part of a top part, the position which should adhere the adhesive tape of an absorption pad in a top part is easy. Can be recognized.

  According to invention of Claim 4, since the reinforcement part of a top part is equipped with the reinforcement sheet joined to the skin surface side of the sheet | seat which forms a top part, the intensity | strength of the reinforcement part of a top part is improved reliably. It is possible to reliably prevent the inner sheet material from being damaged when the absorbent pad is replaced.

  According to the invention described in claim 5, since the reinforcing portion of the top portion includes a plurality of reinforcing sheets having a substantially band-like shape joined to the skin surface side of the sheet forming the top portion, It is possible to reliably improve the strength of the reinforcing portion and reliably prevent the inner sheet material from being damaged when the absorbent pad is replaced.

  Further, the plurality of reinforcing sheets provided in the reinforcing part of the top part have a substantially band-like form, and are arranged parallel to each other with a gap on the skin surface side of the sheet forming the top part. Even if the reinforcing sheet has liquid impermeability, it is possible to avoid the liquid permeability of the top portion from being impaired by the joining of the reinforcing sheet. As a result, when the absorbent article is used without wearing the absorbent pad, it is possible to prevent the urine from being deteriorated in the portion where the reinforcing portion of the top portion is provided.

  According to invention of Claim 6, the peeling process which assists adhesion and peeling of an adhesive tape is given to the skin surface side surface of the reinforcement sheet with which a reinforcement part is equipped. For this reason, sufficient adhesion strength of the adhesive tape of the absorbent pad to the top part of the inner sheet material can be obtained, and the adhesive tape of the absorbent pad can be easily peeled off when the absorbent pad is replaced. Moreover, the magnitude | size of the adhesive tape of an absorption pad or the adhesive strength of the adhesive provided to an adhesive tape can be suppressed, and this makes it easier to peel off an adhesive tape at the time of replacement | exchange of an absorption pad.

  According to invention of Claim 7, the fibers in the nonwoven fabric sheet which forms a top part are fuse | melted in the embossed part formed in a reinforcement part, and it couple | bonds together. For this reason, while forming the some embossing part, the intensity | strength of the reinforcement part of a top part can be improved, and the adhesive tape of an absorption pad becomes easy to adhere to a reinforcement part. Moreover, the magnitude | size of the adhesive tape of an absorption pad, or the adhesive strength of the adhesive given to an adhesive tape can be suppressed, and this makes it easy to peel off an adhesive tape at the time of replacement | exchange of an absorption pad.

  Moreover, since the reinforcement part is formed by forming a some embossing part in the nonwoven fabric sheet which forms a top part, a reinforcement part can be easily formed, without joining other members, such as a reinforcement sheet.

  Moreover, since the normal fiber state of the nonwoven fabric is maintained in portions other than the embossed portion in the reinforcing portion of the top portion, the liquid permeability of the reinforcing portion can be maintained. As a result, when the absorbent article is used without wearing the absorbent pad, it is possible to prevent the urine from being deteriorated in the portion where the reinforcing portion of the top portion is provided.

It is the top view which looked at the state where the disposable diaper concerning a 1st embodiment of the present invention (henceforth only "diaper") was developed in the shape of a plane from the skin side. It is a figure which shows typically the structure of the cross section along the A1-A1 line | wire of the diaper of FIG. It is the top view seen from the outer surface side of the absorption pad laid on the skin surface side of the diaper of FIG. It is sectional drawing which shows the state by which the absorption pad of FIG. 3 was laid in the skin surface side of the diaper of FIG. It is a figure which shows the modification regarding the structure of the reinforcement part provided in the top part of the diaper of FIG. It is a figure which shows the structure of the cross section along the A2-A2 line | wire of FIG. It is a figure which shows the other modification regarding the structure of the reinforcement part provided in the top part of the diaper of FIG. It is a figure which shows the structure of the cross section along the A3-A3 line | wire of FIG. It is a figure which shows the modification regarding the arrangement position etc. of the reinforcement part provided in the diaper of FIG. It is a top view when the underpants type disposable diaper which concerns on 2nd Embodiment of this invention (henceforth a "pants type diaper" only) is cut | disconnected from the right and left side junction part, and expand | deployed in substantially planar shape. It is sectional drawing which shows typically the structure of the cross section along the A4-A4 line of the underpants type diaper of FIG.

  A diaper 1 according to a first embodiment of the present invention will be described with reference to FIGS. 1 to 4. In addition, in this specification and drawing, the horizontal direction X respond | corresponds to a wearer's left-right direction, and the vertical direction Y respond | corresponds to a wearer's front-back direction or an up-down direction. The upper side in FIGS. 1 and 3 corresponds to the rear side with respect to the wearer.

  A diaper 1 according to this embodiment is attached to a region including a wearer's crotch, and as shown in FIGS. 1 and 2, a diaper main body 2, an adhesive sheet 3, and left and right fastening members. 4. The diaper 1 constitutes an absorbent pad 31 illustrated in FIG. 3 and a combined absorbent article 32 (see FIG. 4). As shown in FIG. 4, the absorbent pad 6 is laid on the inner side in the lateral direction X of the left and right pleats 122 described later on the skin surface side of the diaper 1 and is replaceable.

  The diaper main body 2 of the diaper 1 corresponds to the absorbent article according to the present invention, and includes an inner sheet material 5, an outer sheet material 6, an absorbent core 7, and left and right elastic members 8. . The inner sheet material 5 of the diaper main body 2 is a sheet-like member disposed on the skin surface side of the diaper main body 2, and includes a top portion 11 and left and right side portions 12. The top part 11 has liquid permeability and is provided in the central part in the lateral direction X. The left and right side portions 12 have liquid impermeability and are provided on both sides of the top portion 11 in the lateral direction X. More specifically, the top part 11 is formed by the top sheet 111 which consists of a nonwoven fabric sheet which has hydrophilicity. The top sheet 111 is arranged along the vertical direction Y at the center portion in the horizontal direction X on the skin surface side of the diaper main body 2. The left and right side portions 12 are respectively formed by left and right side sheets 121 made of a hydrophobic nonwoven fabric sheet. The left and right side sheets 121 are respectively arranged along the vertical direction Y so as to overlap the edges on both sides in the horizontal direction X of the top sheet 111 from the skin surface side. Edge portions on both sides in the lateral direction X of the top sheet 111 and respective portions of the left and right side sheets 121 facing the respective edge portions are joined together by an adhesive (for example, a hot melt adhesive).

  Further, the inner side portions in the lateral direction X of the left and right side seats 121 are foldable portions 122 that can stand. The left and right elastic members 8 are joined along the longitudinal direction Y with the left and right elastic members 8 stretched to the tip of the pleat portion 122. The left and right pleat portions 122 rise toward the wearer's skin surface by the contraction force of the left and right elastic members 8 to form a so-called three-dimensional gather. By this three-dimensional gather, excrement such as urine is prevented from leaking from both sides in the lateral direction X of the diaper 1.

  The outer sheet material 6 has liquid impermeability, is disposed on the outer surface side of the inner sheet material 5, and sandwiches the absorbent core 7 with the inner sheet material 5. More specifically, the outer sheet material 6 is composed of, for example, a composite sheet obtained by bonding a liquid-impermeable resin film and a nonwoven fabric. The outer sheet material 6 prevents urine or the like that has oozed out of the absorbent core 7 from leaking out of the diaper 1.

  The absorbent core 7 includes an absorbent material that absorbs moisture, and is disposed between the inner sheet material 5 and the outer sheet material 6. Examples of the absorbent material include a fiber assembly made of pulp or the like, or a pad containing an absorbent polymer. Moreover, you may wrap the absorption material which consists of fiber assemblies etc. with packaging sheets, such as tissue paper.

  The adhesion sheet 3 is formed of a sheet-like member in which an adhesion element 17 provided on the left and right fastening members 4 to be described later can be attached and detached. It joins by joining means, such as.

  The left and right fastening members 4 are configured to include a base sheet 16 and an attachment element 17 provided on the skin surface side surface of the base sheet 16, and are used as a fixture when the diaper 1 is attached to a wearer. Have a role. The base material sheet 16 is formed of a sheet material such as a non-woven fabric, and an inner edge in the lateral direction X has an adhesive or the like on both edges in the lateral direction X on the rear side in the longitudinal direction Y of the diaper body 2. It is joined by the joining means. In the present embodiment, the inner sheet material 5 and the outer sheet material 6 of the base sheet 16 are sandwiched between the inner sheet material 5 and the outer sheet material 6 in the lateral direction X in the lateral direction X. It is joined to either one or both by a joining means such as an adhesive.

  As long as the attachment element 17 and the attachment sheet 3 are detachably attached to each other, any configuration can be adopted. As a specific example, for example, a configuration using a hook material having a plurality of hook structures as the attachment element 17 and using a loop material having a plurality of loop structures in which the hook structure of the hook material is detachably engaged as the attachment sheet 3. Is mentioned. As another specific example, there is a configuration in which an adhesive sheet to which an adhesive substance is applied is used as the adhesion element 17 and a sheet material having an adhesion surface to which the adhesive sheet is detachably attached is used as the adhesion sheet 3.

  On the other hand, as shown in FIGS. 3 and 4, the absorbent pad 31 includes an absorbent core 33, an inner sheet material 34, an outer sheet material 35, and an adhesive tape 36 for preventing misalignment. The absorption core 33 has an absorption material that absorbs moisture (for example, an absorption material similar to the absorption material of the absorption core 7 of the diaper 1 described above). The inner sheet material 34 has liquid permeability in at least a part of the region (for example, the central portion in the lateral direction X), and is disposed on the skin surface side of the absorbent core 33. The outer sheet material 35 has liquid impermeability and is disposed on the outer surface side of the absorbent core 33. The adhesive tape 36 is for preventing the positional deviation of the absorbent pad 31 and is bonded to the outer surface side of the outer sheet material 35 by a bonding means such as an adhesive. An adhesive is applied to the surface of the adhesive tape 36 and adheres to the top portion 11 of the diaper 1 in such a manner that it can be peeled off by the adhesive. When the adhesive tape 36 adheres to the top part 11 of the diaper 1, the position shift of the absorption pad 31 is suppressed. In the configuration shown in FIG. 3, the adhesive tape 36 is applied to the front portion on the outer surface side of the absorbent pad 31.

  Moreover, in the diaper 1 which concerns on this embodiment, as shown in FIG.1 and FIG.2 partially corresponding to the adhesive tape 36 of the above absorption pads 31, it is partially on the top sheet 111 which forms the top part 11. FIG. A reinforcing portion 21 having a reinforced strength is provided. Then, the adhesive tape 36 of the absorbent pad 31 is attached to the reinforcing portion 21 of the top portion 11.

  This reinforcement part 21 is provided in the position corresponding to the adhesive tape 36 provided in the absorption pad 31 with which the skin surface side of the diaper 1 is mounted | worn in the top sheet 111. FIG. In the example shown in FIG. 1, the reinforcing portion 21 is provided at the center in the lateral direction X in the front side portion of the top sheet 111 in the longitudinal direction Y. Further, it is desirable that the area of the reinforcing portion 21 is wider than the area of the adhesive tape 36. Furthermore, it is desirable that the reinforcing part 21 has a color (for example, red) different from the color (for example, white) of the other part of the top part 11.

  More specifically, the reinforcement part 21 is formed by joining the reinforcement sheet 211 to the skin surface side of the top sheet 111 forming the top part 11 as shown in FIG. As the reinforcing sheet 211, for example, a resin film is used, but a non-woven sheet or the like may be used. When a resin film is used as the reinforcing sheet 211, there is an advantage that processing such as a peeling process described later is easy. Moreover, when a nonwoven fabric sheet (for example, a hydrophilic nonwoven fabric sheet) is used as the reinforcing sheet 211, there is an advantage that deterioration of the water permeability and air permeability of the top portion 11 due to the application of the reinforcing sheet 211 can be suppressed. For joining the reinforcing sheet 211 and the top sheet 111, an adhesive (for example, hot melt adhesive) or welding (for example, heat welding or ultrasonic welding) or the like is used. The reinforcing sheet 211 is preferably a color (for example, red) different from the color (for example, white) of the top sheet 111.

  The skin surface side surface of the reinforcing sheet 211 may be subjected to a peeling process for assisting the adhesion and peeling of the adhesive tape 36. The peeling process is performed by, for example, applying a peeling agent (for example, a silicone-based polymer or the like) to the smoothly processed skin side surface of the reinforcing sheet 211. By this peeling treatment, a peeling layer made of a peeling agent may be formed on the skin surface side surface of the reinforcing sheet 211.

  As described above, according to the diaper 1 according to the present embodiment, the absorbent pad 31 is replaced by attaching the adhesive tape 36 of the absorbent pad 31 to the reinforcing portion 21 provided on the top portion 11 of the inner sheet material 5. Sometimes the adhesive tape 36 can be peeled off without damaging the inner sheet material 5.

  Further, by attaching the absorbent pad 31 so that the adhesive tape 36 of the absorbent pad 36 is aligned with the reinforcing portion 21, the absorbent pad 31 can be attached at an appropriate position on the skin surface side of the diaper 1.

  Moreover, the position where the adhesive tape 36 of the absorbent pad 31 in the top part 11 should be easily recognized by making the color of the reinforcement part 21 a color different from other parts of the top part 11.

  Moreover, since the reinforcement part 21 is formed by joining the reinforcement sheet 211 to the skin surface side of the top sheet 111 that forms the top part 11, the strength of the reinforcement part 21 is reliably improved, and the absorption pad 31. It is possible to reliably prevent the inner sheet material 5 from being damaged during replacement.

  Moreover, the adhesive tape 36 of the absorbent pad 31 with respect to the top portion 11 of the inner sheet material 5 is subjected to a peeling process for assisting the adhesion and peeling of the adhesive tape to the skin surface side surface of the reinforcing sheet 211 forming the reinforcing portion 21. Sufficient adhesion strength is obtained, and the adhesive tape 36 can be easily peeled off when the absorbent pad 31 is replaced. Moreover, the magnitude | size of the adhesive tape 36 of the absorption pad 31 or the adhesive strength of the adhesive given to the adhesive tape 36 can be suppressed, and this makes it easier to peel off the adhesive tape 36 when the absorption pad 31 is replaced.

  Next, with reference to FIG. 5 thru | or FIG. 9, the modification of the diaper 1 which concerns on the above-mentioned embodiment is demonstrated. In the configuration shown in FIG. 1 and FIG. 2 described above, the reinforcing portion 21 is formed by one continuous reinforcing sheet 211. As a modification regarding this point, as shown in FIGS. 5 and 6, the reinforcing portion 21 may be formed by joining a plurality of reinforcing sheets 212 having a substantially band shape to the top sheet 111. In the configuration shown in FIGS. 5 and 6, the plurality of reinforcing sheets 212 are joined to the skin surface side of the top sheet 111 in a state of being arranged in parallel with each other at intervals. More specifically, in the example shown in FIGS. 5 and 6, the plurality of reinforcing sheets 212 extend along the vertical direction Y with a gap in the horizontal direction X. A material similar to that of the above-described reinforcing sheet 211 can be adopted for the material (including color) of the reinforcing sheet 212 and the joining of the reinforcing sheet 212 and the top sheet 111. Moreover, it is desirable to perform a peeling process on the skin surface side surface of the reinforcing sheet 212.

  According to the configuration shown in FIGS. 5 and 6, the reinforcing portion 21 is formed by joining a plurality of reinforcing sheets 212 having a substantially band shape to the top sheet 111 in a state of being arranged in parallel with each other at intervals. Therefore, even if the reinforcing sheet 212 has liquid impermeability, it is possible to avoid the liquid permeability of the top portion 11 (top sheet 111) from being impaired by the joining of the reinforcing sheet 212. As a result, when the diaper 1 is used without wearing the absorbent pad 31, it is possible to prevent the urine from being deteriorated in the portion where the reinforcing portion 21 of the top portion 11 is provided.

  As another modification example of the reinforcing portion 21, as shown in FIGS. 7 and 8, the reinforcing portion 21 may be formed without using other sheets such as the reinforcing sheet 211. In the configuration shown in FIGS. 7 and 8, the reinforcing portion 21 is formed by forming a plurality of embossed portions 213 arranged in a dotted pattern on a top sheet 111 made of a nonwoven fabric sheet. The embossed portion 213 is formed by melting (for example, heat melting or ultrasonic melting) while partially pressing the top sheet 111. Various shapes and arrangement patterns can be adopted as the shapes and arrangement patterns of the embossed portions 213.

  In the embossed part 213, since the nonwoven fabric fibers are bonded together by melting, the strength of the reinforcing part 21 can be improved by forming a plurality of embossed parts 213, and the adhesive tape 36 of the absorbent pad 31 is attached to the reinforcing part 21. It becomes easy to adhere. Moreover, the magnitude | size of the adhesive tape 36 of the absorption pad 31 or the adhesive strength of the adhesive given to the adhesive tape 36 can be suppressed, and this makes it easy to peel off the adhesive tape 36 when the absorption pad 31 is replaced.

  Moreover, since the reinforcement part 21 is formed by forming the some embossing part 213 in the top sheet 111, the reinforcement part 21 can be formed easily, without joining other members, such as the reinforcement sheet 211. FIG.

  Moreover, since the normal fiber state of the nonwoven fabric is maintained in parts other than the embossed part 213 in the reinforcing part 21, the liquid permeability of the reinforcing part 21 can be maintained. As a result, when the diaper 1 is used without wearing the absorbent pad 31, it is possible to prevent the urine from being deteriorated in the portion where the reinforcing portion 21 of the top portion 11 is provided.

  Further, in the configuration shown in FIG. 1 described above, the reinforcing portion 21 is provided at one position on the front portion of the top portion 11 in the longitudinal direction Y. As a modification regarding this point, when the adhesive tape 36 is applied to a plurality of locations of the absorbent pad 31, the reinforcing portions 21 may be provided at a plurality of locations of the top portion 11 correspondingly. For example, as shown in FIG. 9, you may provide the reinforcement part 21 in two places, the part of the front side of the vertical direction Y of the top part 11, and the part of a back side. By providing the reinforcing portion 21 and the adhesive tape 36 at a plurality of locations, the displacement of the absorbent pad 31 can be prevented more reliably. Moreover, also when forming the reinforcement part 21 in one place of the top part 11, according to the position where the adhesive tape 36 of the absorption pad 31 is provided, the part or center part of the back side of the vertical direction Y of the top part 11 Various configurations can be employed.

  Next, with reference to FIG.10 and FIG.11, the underpants type diaper 50 which concerns on 2nd Embodiment of this invention is demonstrated. The upper side in FIG. 10 corresponds to the front side with respect to the wearer. The interior material 51 of the pants-type diaper 50 according to the present embodiment is similar in structure to the diaper body 2 of the diaper 1 according to the first embodiment described above, and corresponds to the diaper body 2 of the interior material 51. About the part, the duplication of description is avoided using the same referential mark.

  The pants-type diaper 50 according to the present embodiment includes an interior material 51 and an exterior material 52 as shown in FIGS. 10 and 11. The interior material 51 has a configuration similar to the diaper main body 2 of the diaper 1 according to the first embodiment described above. The difference between the interior material 51 and the diaper main body 2 is that in the interior material 51, the edges on both sides in the lateral direction X of the outer sheet material 6 wrap around the edges on the outer side in the lateral direction X of the absorbent core 7. 7 is wound on the skin surface side. For this reason, the edge part of the both sides of the horizontal direction X of the inner side sheet material 5 is made into the edge part of the both sides of the horizontal direction X where the outer side sheet material 6 was wound up with the adhesive (for example, hot melt adhesive) from the skin surface side. It is joined. Such an interior material 51 is joined to the skin surface side of an exterior material 52 described later by an adhesive (for example, a hot melt adhesive).

  The exterior material 52 has a front abdomen 521, a back part 522, and a crotch part 523 provided between the front abdomen 521 and the back part 522. Edges 521a on both sides in the lateral direction X of the front abdomen 521 and edges 522a on both sides in the lateral direction X of the back portion 522 are joined at the side joint 54 by welding or an adhesive.

  The exterior material 52 includes two base material sheets 71 and 72 that are overlapped. Nonwoven fabric or the like is used for the base sheets 71 and 72, and the front and rear leg elastic members 61 and 62 and the front and rear body elastic members 63 and 64 are interposed between the base sheets 71 and 72. The front and rear waist elastic members 65 and 66 are sandwiched in an extended state.

  Moreover, also in the pants-type diaper 50 according to the present embodiment, the reinforcing portion 21 corresponds to the inner side of the interior material 51 corresponding to the adhesive tape 36 applied to the absorbent pad 31 laid on the skin surface side of the pants-type diaper 50. It is provided on the top portion 11 of the sheet material 5. Thereby, the substantially same effect as the diaper 1 which concerns on the above-mentioned 1st Embodiment is acquired. In addition, you may apply the above-mentioned various modification with respect to the diaper 1 which concerns on 1st Embodiment also about the underpants type diaper 50 which concerns on this embodiment.

  1 diaper, 2 diaper body, 3 adhesion sheet, 4 fastening member, 5 inner sheet material, 6 outer sheet material, 7 absorbent core, 8 elastic member, 11 top portion, 111 top sheet, 12 side portion, 121 side sheet, 122 Pleats, 16 substrate sheet, 17 adhesion element, 21 reinforcement part, 211, 212 reinforcement sheet, 31 absorbent pad, 32 combination absorbent article, 33 absorbent core, 34 inner sheet material, 35 outer sheet material, 36 adhesive tape, 50 Pants-type diaper, 51 interior material, 52 exterior material, 54 side joint, 61, 62 leg elastic member, 63, 64 body elastic member, 65, 66 waist elastic member, 71, 72 base sheet, X lateral direction, Y Vertical direction.

Claims (10)

An absorbent article to be worn in an area including the wearer's crotch,
An inner sheet material provided with a liquid-permeable top portion at the center in the lateral direction;
An outer sheet material having liquid impermeability and disposed on the outer surface side of the inner sheet material;
Having an absorbent material that absorbs moisture, an absorbent core disposed between the inner sheet material and the outer sheet material;
With
An absorptive article, wherein a reinforcing part partially reinforced is provided on the top part of the inner sheet material. The absorbent article according to claim 1,
The reinforcing portion of the top portion is provided at a position corresponding to an adhesive tape for preventing slippage provided on the outer surface side of the absorbent pad attached to the skin surface side of the absorbent article in the top portion. Absorbent article characterized by. In the absorptive article according to claim 1 or 2,
The said reinforcement part of the said top part has a color different from the other part of the said top part, The absorbent article characterized by the above-mentioned. In the absorptive article according to any one of claims 1 to 3,
The said reinforcement part of the said top part is equipped with the reinforcement sheet | seat joined to the skin surface side of the sheet | seat which forms the said top part, The absorbent article characterized by the above-mentioned. In the absorptive article according to any one of claims 1 to 3,
The reinforcing portion of the top portion includes a plurality of reinforcing sheets having a substantially strip-like shape, arranged in parallel to each other with a space on the skin surface side of the sheet forming the top portion, and joined together. Absorbent article. In the absorptive article according to claim 4 or 5,
The skin surface side surface of the said reinforcement sheet with which the said reinforcement part is equipped is the absorbent article in which the peeling process which assists adhesion and peeling of an adhesive tape is given. In the absorptive article according to any one of claims 1 to 3,
The top part is formed of a nonwoven sheet having liquid permeability,
The said reinforcement part of the said top part is equipped with the some embossing part formed by fuse | melting the nonwoven fabric sheet which forms the said top part, pressing partially, The absorbent article characterized by the above-mentioned. A disposable diaper comprising the absorbent article according to any one of claims 1 to 7,
A diaper main body constituted by the absorbent article according to any one of claims 1 to 7,
An adhesion sheet applied to the front side in the longitudinal direction on the outer surface side of the diaper body;
Left and right fastening members that are provided at the edges on both sides in the lateral direction on the rear side in the longitudinal direction of the diaper body, and are detachably attached to the adhesion sheet;
A disposable diaper characterized by comprising. A pants-type disposable diaper comprising the absorbent article according to claim 1,
A front abdomen, a back part, and a crotch part provided between the front abdomen and the back part, both lateral edges of the front abdomen and both lateral parts of the back part An exterior material joined to the edge of
An interior material constituted by the absorbent article according to any one of claims 1 to 7 and applied to a skin surface side of the exterior material;
A pants-type disposable diaper characterized by comprising: A combination absorbent article comprising the absorbent article according to any one of claims 1 to 7,
The absorbent article according to any one of claims 1 to 7,
An adhesive pad for preventing slippage is provided on the outer surface side, and an absorbent pad attached to the skin surface side of the absorbent article;
A combination absorbent article comprising:

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