JP2007282785A - Auxiliary absorbent article - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an auxiliary absorbent article having high absorbency which is used for improving absorbency of a disposable diaper by attachment on the disposable diaper. <P>SOLUTION: The auxiliary absorbent article 1 is arranged on a back side part B of the disposable diaper 10 for improving an absorbency of the disposable diaper 10. The auxiliary absorbent article is divided into an absorbing part 2 and a leakage prevention part 3 in the longitudinal direction, and is folded in the longitudinal direction at a folding part L between the absorbing part 2 and the leakage prevention part 3. The auxiliary absorbent article is arranged on the back part B of the disposable diaper 10 by arranging the absorbing part 2 on a skin abutting surface of the back part B of the disposable diaper 10 and the leakage prevention part 3 on the non-skin abutting surface of the back part B of the disposable diaper 10. A disposable diaper abutting surface of the absorbing part 2 is made of a liquid-permeable sheet, and a disposable diaper abutting surface of the leakage prevention part 3 is made of a leakage prevention sheet. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an auxiliary absorbent article that assists the absorbent performance of a disposable diaper.

  Patent Document 1 below describes a body fluid absorbent article that is attached to the inner surface of a short and absorbs body fluid. The body fluid absorbent article described in Patent Document 1 is provided with a leak-proof layer on the entire surface facing the shorts.

Japanese Patent Laid-Open No. 11-318985

  However, the bodily fluid absorbent article described in Patent Document 1 is supposed to be attached to ordinary shorts, and since a leak-proof layer is provided on the entire surface, when attached to a disposable diaper, Prone to skin problems. And since the absorption surface of a disposable diaper is covered, the absorptive power cannot be utilized effectively. Furthermore, since it is worn from the stomach side to the back side of the body, when a shift occurs due to the movement of the wearer, there is a great influence on the absorbability and wearing comfort.

  Therefore, the objective of this invention is providing the auxiliary | assistant absorbent article which high absorption performance is acquired in the auxiliary | assistant absorbent article which mounts | wears a disposable diaper and assists the absorption performance of a disposable diaper.

  The present invention is an auxiliary absorbent article that is attached to the back side of a disposable diaper and assists the absorbent performance of the disposable diaper, and is divided into an absorbent part and a leak-proof part in the longitudinal direction of the auxiliary absorbent article. A folding portion between the absorbing portion and the leakage preventing portion is folded in the longitudinal direction, the absorbing portion is disposed on the skin contact surface side of the back side portion of the disposable diaper, and the leakage preventing portion is disposed on the disposable diaper. The disposable diaper contact surface in the absorbent part is formed from a liquid-permeable sheet in a state where it is arranged on the non-skin contact surface side of the back side part. And the disposable diaper contact surface in the said leak-proof part achieves the said objective by providing the auxiliary | assistant absorbent article currently formed from the leak-proof sheet | seat.

  According to the auxiliary absorbent article of the present invention, high absorption performance can be obtained.

Hereinafter, an auxiliary absorbent article of the present invention will be described with reference to the drawings based on a first embodiment which is a preferred embodiment thereof.
The present invention is an auxiliary absorbent article that is attached to the back side of a disposable diaper and assists the absorbent performance of the disposable diaper. The disposable diaper to which the auxiliary absorbent article of the present embodiment is attached is an unfolded disposable diaper shown in FIG. 3 (details will be described later).

As shown in FIGS. 1 and 2, the auxiliary absorbent article 1 of the present embodiment is divided into an absorbent portion 2 and a leak-proof portion 3 in the longitudinal direction. The “longitudinal direction” in the auxiliary absorbent article 1 is a direction from the absorbent portion 2 toward the leakage preventing portion 3.
Moreover, as shown in FIGS. 4-7, the auxiliary | assistant absorbent article 1 of this embodiment is folded in the longitudinal direction by the folding | turning part L between the absorption part 2 and the leak-proof part 3, and the absorption part 2 is a disposable diaper. The back side B of the disposable diaper 10 is disposed on the skin contact surface side of the back side B of the 10 and the leakage preventing part 3 is disposed on the non-skin contact surface side of the back side B of the disposable diaper 10. (Details will be described later).

  In the description of the auxiliary absorbent article 1, the “lower surface” refers to a surface facing the disposable diaper 10 in a state where the auxiliary absorbent article 1 is folded at the folded portion L and attached to the disposable diaper 10. The “upper surface” means the opposite surface of the “lower surface”. The meanings of these “lower surface” and “upper surface” are also applied to the auxiliary absorbent article 1 that is not folded at the folded portion L.

  The auxiliary absorbent article 1 of this embodiment will be further described. The absorber 2 is a part that takes charge of most of the absorption performance of the auxiliary absorbent article 1. As shown in FIG. 2, the absorption section 2 in the present embodiment is configured mainly with an auxiliary absorber 21. The auxiliary absorbent body 21 includes an absorbent core 21A and a covering sheet 21B that covers the absorbent core 21A. The absorbent core 21 </ b> A has a length over substantially the entire length of the auxiliary absorbent body 21 in the longitudinal direction.

  As the absorbent core 21A, for example, a fiber aggregate made of pulp fiber, continuous fiber (tow) or the like, or a fiber aggregate and a water absorbent polymer (mixed product of water absorbent polymer and fiber material) is used. Can be used. As the fibers constituting the absorbent core 21A, for example, hydrophilic fibers such as pulp fibers, rayon fibers, cotton fibers, and cellulose acetate, polyolefin fibers such as polyethylene and polypropylene, and condensation fibers such as polyester and polyamide can be used. . Examples of water-absorbing polymers include sodium polyacrylate, (acrylic acid-vinyl alcohol) copolymer, cross-linked sodium polyacrylate, (starch-acrylic acid) graft copolymer, and (isobutylene-maleic anhydride) copolymer. Examples include coalesced and saponified products thereof and polyaspartic acid. Each of the fibers and the water-absorbing polymer can be used alone or in combination of two or more.

  The covering sheet 21B is made of a liquid permeable sheet and holds the constituent material of the absorbent core 21A so as not to leak out. The liquid-permeable sheet is preferably made of, for example, a liquid-permeable nonwoven fabric or tissue paper. In particular, the surface directly in contact with the skin is preferably made of a nonwoven fabric from the viewpoint of touch and strength. Examples of the nonwoven fabric include spunbond-meltblown-spunbond nonwoven fabric, spunbond-meltblown-meltblown-spunbond nonwoven fabric, and air-through nonwoven fabric.

  The fibers forming the nonwoven fabric are preferably made of thermoplastic fibers such as polyethylene, polypropylene, and polyethylene terephthalate. This fiber may be a single fiber or a composite fiber in which two or more kinds of resins are combined. Particularly, a composite fiber having a sheath made of polyethylene and a core made of polypropylene is preferable in terms of texture. The nonwoven fabric may be a single layer or multiple layers, and may be subjected to a hydrophilic treatment such as a surfactant treatment or a corona treatment. When the nonwoven fabric is multilayered, it is preferable that the absorbent core 21A side is clogged (small average pore diameter) to prevent spillage of the absorbent polymer, and the outside is designed to have a low density with emphasis on the texture. .

In the disposable diaper contact surface in the absorption part 2, specifically, in the disposable diaper contact surface in the auxiliary absorbent body 21, the absorbent part fastening part 22 for fastening to the skin contact surface side of the disposable diaper 10. Is provided. “Disposable diaper contact surface in the absorbent portion 2” refers to a surface that contacts the disposable diaper 10 directly or indirectly (through another member) in a state where the auxiliary absorbent article 1 is mounted on the disposable diaper 10. Means. Therefore, in a state where the auxiliary absorbent article 1 is mounted on the disposable diaper 10, a region that extends from the longitudinal end of the back side B of the disposable diaper 10 and does not contact the disposable diaper 10 in the lower surface of the absorbent part 2. Is not included in the “disposable diaper contact surface”.
The description of the “disposable diaper abutment surface” is also applied to the “disposable diaper abutment surface in the leak-proof portion 3”.

  The absorption part fastening part 22 consists of a male material of an adhesive or a mechanical hook-and-loop fastener, for example. The range in which the absorbent portion fastening portion 22 is provided on the disposable diaper contact surface of the absorbent portion 2 is appropriately set in consideration of the fastening force with the disposable diaper 10, the absorption performance of the disposable diaper contact surface of the absorbent portion 2, and the like. The

  The disposable diaper contact surface in the absorption part 2 is formed from the liquid-permeable sheet. It is preferable that 60% or more, more preferably 70% or more, and still more preferably 80% of the area of the disposable diaper contact surface in the absorbent portion 2 is formed from a liquid-permeable sheet. Hereinafter, "the disposable diaper contact surface in the absorption part 2 is formed from a liquid permeable sheet" means that the ratio of the disposable diaper contact surface in the absorption part 2 is formed from a liquid permeable sheet. Means that In this embodiment, the disposable diaper contact surface in the absorption part 2 is comprised only from the coating sheet 21B. A part of the lower surface of the absorbent portion 2 other than the disposable diaper contact surface is covered with a part of a leakproof sheet 31 which is the main body of the leakproof portion 3.

The leak-proof portion 3 has a disposable diaper contact surface formed from a leak-proof sheet 31. The leak-proof sheet 31 is composed of a liquid-impermeable sheet or a water-repellent sheet. Specifically, a moisture-permeable and liquid-impermeable porous film, a water-repellent nonwoven fabric, or the like is preferable.
The disposable diaper contact surface in the leakage preventing part 3 is provided with a leakage preventing part fastening part 32 for fastening to the non-skin contact surface side of the disposable diaper 10. The leak-proof part fastening part 32 consists of a male material of an adhesive or a mechanical hook-and-loop fastener, for example. The range in which the leak-proof part fastening part 32 is provided on the disposable diaper contact surface of the leak-proof part 3 is appropriately set in consideration of the fastening force with the disposable diaper 10 and the like. In the present embodiment, each of the leakproof sheet 31 and the leakproof portion fastening portion 32 extends over the folded portion L in the longitudinal direction of the auxiliary absorbent article and extends to the absorbent portion 2 side.

  A three-dimensional gather 4 that opens toward the longitudinal center of the disposable diaper 10 in a state where the auxiliary absorbent article 1 is mounted on the disposable diaper 10 extends across the width direction of the absorbent unit 2 on the upper surface side of the absorbent unit 2. Is provided. The three-dimensional gather 4 is formed of a three-dimensional gather forming sheet 41 and a three-dimensional gather elastic member 42. The three-dimensional gather forming sheet 41 straddles the folded portion L from the end portion in the longitudinal direction of the leak-proof portion 3 and extends over the upper surface side of the absorbent portion 2. One end portion of the three-dimensional gather forming sheet 41 is folded back to the upper surface side of the absorbing portion 2 in the longitudinal direction to form a free end, and is joined to the upper surface of the absorbing portion 2 by a U-shaped joining portion (not shown). Yes. A three-dimensional gather elastic member 42 is stretched at one end of the three-dimensional gather forming sheet 41, and the three-dimensional gather 4 is erected and opened by its contraction force.

The three-dimensional gather-forming sheet 41 is preferably made of a water-repellent nonwoven fabric. For example, a composite nonwoven fabric, a spunbond nonwoven fabric, a heat bond nonwoven fabric, or an air-through nonwoven fabric having a multilayer structure composed of spunbond-meltblown-spunbond can be used.
The three-dimensional gather elastic member 42 is preferably, for example, a thread-like member (thread rubber or the like) or a belt-like member having a predetermined width (flat rubber or the like), and particularly preferably a thread-like member. Examples of the material of the three-dimensional gather elastic member 42 include natural rubber, synthetic rubber such as styrene-butadiene, butadiene, isoprene, and neoprene, EVA, stretchable polyolefin, and urethane.

  A pair of auxiliary fastening tapes 5, 5 extending outward in the width direction are provided on both sides in the width direction of the leak-proof portion 3. An auxiliary fastening portion 52 is provided on the lower surface side of the auxiliary fastening tape 5. Specifically, the auxiliary fastening tape 5 includes a tape main body 51 as a base material and an auxiliary fastening portion 52 provided on the lower surface side of the tip portion of the tape main body 51. The auxiliary fastening part 52 can be fastened to the abdominal part A of the disposable diaper 10, specifically to the landing tape 16 (described later).

  The width of the auxiliary absorbent article 1 may be wider or narrower than the distance between the inner edges (details will be described later) of the pair of side gathers 17, 17 in the disposable diaper 10. This is preferable. For example, it is possible to cope with urination in a sideways state or when the stool spreads to the back side.

Next, the disposable diaper 10 to which the auxiliary absorbent article 1 of the present embodiment is attached will be described. As shown in FIG. 3, the disposable diaper 10 is a deployable disposable diaper 10 in which a pair of fastening tapes 15, 15 are provided on the back side B. FIG. 3B shows a state in which the fastening tape 15 is turned inward in the width direction and turned back to the skin contact surface side.
The disposable diaper 10 includes, in the longitudinal direction, an abdominal side A disposed on the wearer's abdomen when worn, a dorsal side B disposed on the back of the wearer, and an abdominal side A and a dorsal B. And is divided into a crotch part C which is disposed in the crotch part of the wearer when worn.

  A pair of fastening tapes 15, 15 are provided on both sides of the back side B so as to extend outward in the width direction. The fastening tape 15 includes a tape main body 15A as a base material and a fastening portion 15B provided on the skin contact surface side of the tape main body 15A. The fastening portion 15B is made of, for example, a male material of a mechanical surface fastener and an adhesive. On the non-skin contact surface side of the abdominal side A, a landing tape 16 capable of fastening a pair of fastening tapes 15 is provided. As described above, the auxiliary fastening portion 52 of the auxiliary fastening tape 5 in the auxiliary absorbent article 1 of the present embodiment can also be attached to the landing tape 16.

  The disposable diaper 10 includes a liquid-permeable top sheet 12, a liquid-impermeable or water-repellent back sheet 13, and a liquid-retaining absorbent body 14. A pair of side gathers 17 and 17 are provided in the longitudinal direction on both side portions in the width direction on the skin contact surface side of the disposable diaper 10. The side gathers 17 are disposed from both side edges of the disposable diaper 10 toward the inside in the width direction. An inner edge of the side gather 17 is a free end, and a side gather elastic member 17A is stretched on the free end.

Both side edges of the crotch C have a substantially arcuate concave shape, and in the disposable diaper 10, the width of the crotch C is narrower than the width of the abdominal part A and the back part B, respectively. The outline of the back sheet 13 matches the outline of the disposable diaper 10 (part excluding the fastening tape 15).
The absorbent body 14 has a vertically long rectangular shape, and its longitudinal direction coincides with the diaper longitudinal direction (the same as the direction directed to the wearer's front-rear direction when worn), and is joined to the central portion in the width direction of the back sheet 13. ing.

The side gather 17 has a width direction outer region joined to the back sheet 13. The inner edges of the side gathers 17 are not joined to the back sheet 13 except for both ends in the longitudinal direction, and stand up in a direction away from the back sheet 13 due to the contraction force of the side gather elastic members 17A when worn. Both ends in the longitudinal direction of the side gathers 17 are joined to the back sheet 13 so that they cannot stand up.
A leg gather elastic member 18 is stretched between the side gather 17 and the back sheet 13, and in the natural state (a state in which no external force is applied to the diaper), the leg gather elastic member 18 contracts the inseam. Leg gathers are formed in part C.

  Constituent materials such as the top sheet 12, the back sheet 13, the absorber 14, the side gathers 17, and the fastening tape 15 of the disposable diaper 10 may be those commonly used in the technical field. For example, as the top sheet 12, the same liquid permeable non-woven fabric that forms the covering sheet 21B of the auxiliary absorbent body 21 of the auxiliary absorbent article 1 can be used. As the back sheet 13, the same sheet as the leak-proof sheet 31 of the auxiliary absorbent article 1 can be used. As the absorber 14, the same thing as the auxiliary absorber 21 of the auxiliary absorbent article 1 can be used. As the side gather 17, the same thing as the three-dimensional gather 4 of the auxiliary absorbent article 1 can be used. As the fastening tape 15, the same thing as the auxiliary fastening tape 5 of the auxiliary absorbent article 1 can be used.

  The auxiliary absorbent article 1 of the present embodiment can be attached to the back side portion B of the disposable diaper 10 shown in FIG. 3, for example, by the procedure shown in FIGS. 4 to 7. First, as shown in FIGS. 4 and 5, the pair of fastening tapes 15, 15 that are spread outward in the width direction from both sides in the width direction of the disposable diaper 10 are folded back to the skin contact surface side of the disposable diaper 10. Then, it is fastened to the side gathers 17 and the like by the fastening part 15B.

  In that state, the absorbent article 2 absorbs the auxiliary absorbent article 1 of the present embodiment on the top sheet 12, the side gathers 17, the folded fastening tape 15 and the like on the back side B in a state where the folded part L is not folded. It is fastened by the part fastening part 22. Here, the folded portion L is attached to the disposable diaper 10 in a state where the folded portion L is separated from the longitudinal end of the back side portion B of the disposable diaper 10 by 10 mm or more outward in the longitudinal direction. The longer the separation distance, the higher the effect of suppressing leakage. At this time, it is necessary that the auxiliary fastening portion 52 of the auxiliary fastening tape 5 can be fastened to the landing tape 16 of the disposable diaper 10 when folded at the folded portion L. In addition, depending on the rigidity of the leak-proof portion 3, when the separation distance is long, the wearing ability of the diaper is deteriorated, and it becomes easy to generate a twist when turning over, so the practical separation distance is limited. Therefore, the said separation distance is 10-100 mm, Preferably it is 15-80 mm, More preferably, it is 20-60 mm.

  The rigidity of the leak-proof part 3 is 2 to 10N, preferably 2N to 8N, as measured by a handle-ometer. The measurement method using the handle-o-meter is as follows. Measurement is performed according to JIS L1096 (flexibility measurement method). On a support base in which a groove having a width of 60 mm is carved, the leakage preventing part 3 cut to 150 mm in the longitudinal direction and 50 mm in the width direction is arranged in a direction perpendicular to the groove. The force required when the center of the leak-proof portion 3 is pushed by a blade having a thickness of 2 mm is measured. The measuring apparatus used in the present embodiment is a hand tester (handle-and-meter method), HOM-3 type, manufactured by Daiei Kagaku Seiki Seisakusho Co., Ltd. The average value of 3 points (3 samples) is taken as the measured value.

  Next, as shown in FIGS. 6 and 7, the auxiliary absorbent article 1 is folded back in the longitudinal direction at the folded-back portion L, and the leak-proof portion 3 is placed on the non-skin contact surface side (back surface sheet 13 side) of the disposable diaper 10. Deploy. And the lower surface side of the leak-proof part 3 is fastened to the non-skin contact surface side of the disposable diaper 10 by the leak-proof part fastening part 32. Here, the auxiliary fastening part 52 of the auxiliary fastening tape 5 was directed to the non-skin contact surface side of the disposable diaper 10 before the auxiliary absorbent article 1 was folded, but the auxiliary absorbent article 1 was folded. After being applied, the disposable diaper 10 faces toward the skin contact surface. Moreover, the auxiliary | assistant fastening part 52 of the auxiliary | assistant fastening tape 5 is arrange | positioned from the width direction both sides of the disposable diaper 10 in the position of the width direction outer side.

  By such a procedure, the attachment of the auxiliary absorbent article 1 to the disposable diaper 10 is completed. According to the disposable diaper 10 to which the auxiliary absorbent article 1 is attached, the fastening tape 15 of the disposable diaper 10 cannot be used. Instead, the auxiliary fastening tape 5 of the auxiliary absorbent article 1 is used as the landing tape 16 of the disposable diaper 10. The disposable diaper 10 with the auxiliary absorbent article 1 attached thereto can be attached to the wearer.

  Therefore, according to the auxiliary absorbent article 1 of the present embodiment, it is possible to dispose on the skin contact surface side of the disposable diaper 10 in the absorbent part 2 having a high absorption performance separately from the absorbent body 14 of the disposable diaper 10. Therefore, the absorption performance of the disposable diaper 10 can be improved in terms of absorption capacity. Moreover, since the leak-proof part 3 with high leak-proof performance can be arrange | positioned in the non-skin contact surface side of the disposable diaper 10, improving the leak-proof performance of the non-skin contact surface side of the disposable diaper 10 Can do.

Moreover, since the disposable diaper contact surface in the absorption part 2 is formed from the covering sheet 21B which is a liquid-permeable sheet, the body fluid is interfaced with the disposable diaper contact surface in the absorption part 2, that is, the disposable diaper 10. Absorption performance is excellent.
Particularly in the present embodiment, the folded portion L between the absorbent portion 2 and the leak-proof portion 3 is separated from the longitudinal end portion of the back side portion B of the disposable diaper 10 in the longitudinal direction outward in the disposable diaper 10. Since it is mounted, the absorbent part 2 is also arranged on the outer side in the longitudinal direction of the disposable diaper 10. Therefore, the absorption performance of the disposable diaper 10 can be improved in terms of absorption area.

  Moreover, instead of the fastening tape 15 originally provided in the disposable diaper 10, the disposable diaper 10 is used by using the auxiliary fastening tape 5 of the auxiliary absorbent article 1 disposed on the non-skin contact surface side of the disposable diaper 10. Therefore, the disposable diaper 10 can be strongly adhered to the wearer together with the auxiliary absorbent article 1.

  Since the three-dimensional gather 4 which opens toward the longitudinal direction center part of the disposable diaper 10 is provided in the upper surface side (it becomes a skin contact surface side at the time of mounting | wearing) of the absorption part 2, a wearer's body and auxiliary absorptivity are provided. The clearance with the article 1 is reduced, and the body fluid that is about to move outward in the longitudinal direction of the disposable diaper 10 can be dammed up by the three-dimensional gather 4 and absorbed by the absorption unit 2.

  Next, 2nd Embodiment of the auxiliary absorbent article of this invention is described, referring FIG.8 and FIG.9. The second embodiment will be described with a focus on differences from the first embodiment. The points described above with respect to the first embodiment are applied as appropriate to points that are not particularly described. In 2nd Embodiment, the same code | symbol is attached | subjected to the same member as 1st Embodiment.

  As shown in FIG. 8, the auxiliary absorbent article 1 of the second embodiment has a pair of auxiliary fastening tapes 5 on both sides in the width direction of the leak-proof part 3 as compared to the auxiliary absorbent article 1 of the first embodiment. , 5 are not provided. Instead, a pair of auxiliary fastening tapes 5, 5 extending outward in the width direction are provided on both sides in the width direction of the absorbing portion 2. On the upper surface side of the auxiliary fastening tape 5, an auxiliary fastening portion 52 that can be fastened to the abdominal side portion A of the disposable diaper 10 is provided, and on the lower surface side of the auxiliary fastening tape 5, the fastening tape of the disposable diaper 10. An inter-tape fastening portion 53 that can be fastened to the 15 fastening portions 15B is provided. The inter-tape fastening part 53 is made of, for example, a female material of a mechanical surface fastener or an adhesive.

The configuration of the auxiliary fastening tape 5 is the same as that of the auxiliary fastening tape 5 in the first embodiment except that the inter-tape fastening portion 53 is provided. The auxiliary fastening tape 5 is arranged closer to the end in the longitudinal direction of the absorber 2 than the free end of the three-dimensional gather 4.
Other configurations are the same as those of the auxiliary absorbent article 1 of the first embodiment.

  And in the auxiliary absorbent article 1 of 2nd Embodiment, in the state which attached the auxiliary absorbent article 1 to the disposable diaper 10, the auxiliary | assistant fastening tape 5 is the fastening part of the disposable diaper 10 by the fastening part 53 between tapes. 15 and is attached to the abdominal side A of the disposable diaper 10 by the auxiliary fastening part 52 so that a wearing form of the disposable diaper can be formed.

The auxiliary absorbent article 1 of the second embodiment can be attached to the back side B of the disposable diaper 10 shown in FIG. 3 by the following procedure.
The auxiliary absorbent article 1 in a state where the pair of auxiliary fastening tapes 5, 5 are spread outward in the width direction is fixed to the disposable diaper 10 in a state where the pair of fastening tapes 15, 15 is spread outward in the width direction. To do. Specifically, as shown in FIG. 9, the fastening portion 15B of the fastening tape 15 in the disposable diaper 10 and the inter-tape fastening portion 53 of the auxiliary fastening tape 5 in the auxiliary absorbent article 1 are arranged at opposing positions. The two are brought into contact with each other and fixed.

As a result, the fastening tape 15 of the disposable diaper 10 and the auxiliary fastening tape 5 of the auxiliary absorbent article 1 are integrated. Moreover, the skin contact surface side of the disposable diaper 10 and the lower surface side of the absorbent portion 2 of the auxiliary absorbent article 1 are fastened by the absorbent portion fastening portion 22 provided on the lower surface side of the absorbent portion 2.
Then, the auxiliary absorbent article 1 is folded back in the longitudinal direction at the folded portion L, and the non-skin contact surface side of the disposable diaper 10 and the lower surface side of the leakage preventing section 3 of the auxiliary absorbent article 1 are connected to the lower surface of the leakage preventing section 3. Fastened by a leak-proof part fastening part 32 provided on the side.

In this way, the auxiliary absorbent article 1 of the second embodiment can be attached to the back side B of the disposable diaper 10.
In such a mounting form, the fastening tape 15 of the disposable diaper 10 cannot be used, but instead, the auxiliary fastening tape 5 of the auxiliary absorbent article 1 is fastened to the landing tape 16 of the disposable diaper 10 to assist absorption. The disposable diaper 10 to which the property article 1 is attached can be attached to the wearer.

  Also in the auxiliary absorbent article 1 of the second embodiment, the same effect as the first embodiment is exhibited. In addition, in the auxiliary absorbent article 1 of the second embodiment, the adhesion between the absorbent part 2 and the disposable diaper 10 or the adhesion between the absorbent part 2 and the wearer becomes better, so that leakage can be suppressed. .

As shown in FIG. 10, the auxiliary absorbent article 1 of the third embodiment is not provided with the auxiliary fastening tape 5 as compared to the auxiliary absorbent article 1 of the first embodiment. Other configurations are the same as those of the first embodiment.
In the auxiliary absorbent article 1 of the third embodiment, the absorbent part 2 is fastened to the skin contact surface side of the disposable diaper 10 by the absorbent part fastening part 22, and the folded part L is folded back in the longitudinal direction. Can be fastened to the non-skin contact surface side of the disposable diaper 10 by the leak-proof part fastening part 32 and attached to the back side part B of the disposable diaper 10. Since the auxiliary absorbent article 1 of the third embodiment does not have the auxiliary fastening tape 5, the disposable diaper 10 to which the auxiliary absorbent article 1 of the third embodiment is attached uses the fastening tape 15 of the disposable diaper 10. Will be worn by the wearer.

  The disposable diaper 10 to which the auxiliary absorbent article 1 of the third embodiment is attached can be discarded, for example, in the following disposal form. As shown in FIG. 11 (a), the leak-proof portion 3 that has been folded back to the non-skin contact surface side of the disposable diaper 10 with the pair of fastening tapes 15 deployed outward in the width direction is disposed on the disposable diaper 10. The auxiliary absorbent article 1 is folded back to the skin contact surface side so that the auxiliary absorbent article 1 is not folded at the folded portion L.

  Next, the abdomen A and crotch C of the disposable diaper 10 are wound up toward the back side B with the skin contact surface side inward in the longitudinal direction. And the rolled-up stomach side part A and the crotch part C are arrange | positioned on the upper surface side of the absorption part 2 of the auxiliary absorbent article 1.

Next, as shown in FIG. 11 (b), the abdomen side portion A and the crotch portion C that have been rolled up are sandwiched so as to be covered with the absorbing portion 2 and the leakage preventing portion 3. Thereafter, the pair of fastening tapes 15 and 15 of the disposable diaper 10 are folded back inward in the width direction, and are fastened to the lower surface of the leak-proof portion 3 (the surface disposed outside in this state) by the fastening portion 15B. To complete. According to such a disposal form, the protruding property of stool or the like from the longitudinal end portion of the back side portion B of the disposable diaper 10 is high.
Therefore, according to the auxiliary absorbent article 1 of the third embodiment, it can be easily discarded in a disposal form that is difficult to leak.

  The auxiliary absorbent article 1 of the fourth embodiment is different from the auxiliary absorbent article 1 of the third embodiment in that the shape of the absorbent portion 2 in plan view and the three-dimensional gather 4 are not provided. Other configurations are the same as those of the third embodiment. As shown in FIG. 12, the absorption part 2 in 4th Embodiment has the width direction center part of the longitudinal direction edge part recessed toward the longitudinal direction center part, and has planar view shape of a substantially horseshoe shape.

  For example, as shown in FIG. 13, the auxiliary absorbent article 1 of the fourth embodiment including the substantially horseshoe-shaped absorbent portion 2 is provided on the top sheet 12 with respect to the skin contact surface side of the disposable diaper 10 shown in FIG. 3. It can be fixed only to the side gathers 17 without being fixed. Therefore, since the effective width of the absorption surface of the disposable diaper 10 is ensured widely and the horseshoe-shaped absorption part 2 plays the role of a leak-proof wall, it is particularly effective for suppressing leakage of soft stool.

As mentioned above, although preferred embodiment of the auxiliary absorbent article of this invention was described, this invention is not restrict | limited to embodiment mentioned above, A various change is possible in the range which does not deviate from the meaning of this invention.
In the auxiliary absorbent article, the folded portion L is substantially coincident with the longitudinal end portion of the back side portion B of the disposable diaper 10 (the folded portion L is out of the longitudinal direction from the longitudinal end portion of the back side portion B of the disposable diaper 10). Can be mounted without being spaced apart).
The auxiliary absorbent article of the present invention can be attached to the abdominal side A of the disposable diaper 10 and can be used for attachment to a wearer lying down.

An absorber may be disposed on the upper surface side of the leakage preventing portion 3.
The disposable diaper to which the auxiliary absorbent article of the present invention is attached is not limited to a deployable disposable diaper, and may be a pants-type disposable diaper. In addition, in the case of a pants-type disposable diaper, an auxiliary absorbent article can be attached to the waist opening of the diaper, so that when the disposable diaper fitted with the auxiliary absorbent article is attached to the wearer, the auxiliary absorbent article is absorbed. In addition to being placed on the wearer's belly side or back side, the property article can also be placed on the left and right sides of the wearer.

Drawing 1 is a figure showing the 1st embodiment of the auxiliary absorptive article of the present invention, (a) is a top view and (b) is a bottom view. FIG. 2 is a longitudinal sectional view along the longitudinal direction of the auxiliary absorbent article shown in FIG. 1 cut at the center in the width direction. 3A and 3B are diagrams showing a disposable diaper to which the auxiliary absorbent article shown in FIG. 1 is attached. FIG. 3A is a perspective view in a natural state, and FIG. 3B is a plan view in an extended state. 4 is a view showing a process of mounting the auxiliary absorbent article shown in FIG. 1 on the back side of the disposable diaper shown in FIG. 3, wherein (a) is a plan view and (b) is a bottom view. FIG. 5 is a longitudinal sectional view along the longitudinal direction of the state shown in FIG. 6 is a view showing a state in which the auxiliary absorbent article shown in FIG. 1 is mounted on the back side portion of the disposable diaper shown in FIG. 3, wherein (a) is a plan view and (b) is a bottom view. FIG. 7 is a cross-sectional view taken along the line VII-VII shown in FIG. FIG. 8 is a view showing a second embodiment of the auxiliary absorbent article of the present invention, wherein (a) is a plan view and (b) is a bottom view. 9 is a view showing a process of mounting the auxiliary absorbent article shown in FIG. 8 on the back side portion of the disposable diaper shown in FIG. 3, and is a cross-sectional view taken along the line IX-IX shown in FIG. 8 (a). FIG. 10 is a view showing a third embodiment of the auxiliary absorbent article of the present invention, in which (a) is a plan view and (b) is a bottom view. Fig.11 (a) and FIG.11 (b) are top views which show sequentially the procedure which forms the disposable diaper which equipped with the auxiliary | assistant absorbent article shown in FIG. 10 in a discard form. FIG. 12 is a plan view showing a fourth embodiment of the auxiliary absorbent article of the present invention. FIG. 13 is a plan view showing a state where the auxiliary absorbent article shown in FIG. 12 is mounted on the back side of the disposable diaper.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Auxiliary absorbent article 2 Absorbing part 21 Auxiliary absorber 21A Absorbent core 21B Cover sheet 22 Absorbing part fastening part 3 Leak-proofing part 31 Leak-proofing sheet 32 Leak-proofing part fastening part 4 Solid gather 41 Solid gathering sheet 42 Three-dimensional gather elastic member 5 Auxiliary fastening tape 51 Tape body 52 Auxiliary fastening part 53 Inter-tape fastening part 10 Disposable diaper 12 Top sheet 13 Back sheet 14 Absorber 15 Fastening tape 15A Tape body 15B Fastening part 16 Landing tape 17 Side gathers A ventral side B dorsal side C crotch L folded part

Claims (7)

An auxiliary absorbent article that is attached to the back side of the disposable diaper and assists the absorbent performance of the disposable diaper,
The auxiliary absorbent article is divided into an absorbent part and a leak-proof part in the longitudinal direction, folded back in the longitudinal direction at a folded part between the absorbent part and the leak-proof part, and the absorbent part is connected to the back of the disposable diaper. It is arranged on the skin contact surface side of the side part, and the leak preventive part can be attached to the back side part of the disposable diaper in a state where it is disposed on the non-skin contact surface side of the back side part of the disposable diaper. ,
The disposable diaper contact surface in the said absorption part is formed from the liquid-permeable sheet, The disposable diaper contact surface in the said leak-proof part is an auxiliary absorbent article currently formed from the leak-proof sheet.   The auxiliary | assistant absorbent article of Claim 1 with which the said folding | returning part is mounted | worn with a disposable diaper in the state spaced apart 10 mm or more in the longitudinal direction outward from the longitudinal direction edge part of the back side part of a disposable diaper.   On the upper surface side of the absorbent portion, a three-dimensional gather that opens toward the longitudinal center of the disposable diaper when the auxiliary absorbent article is mounted on the disposable diaper is provided across the width direction of the absorbent portion. The auxiliary absorbent article according to claim 1 or 2. A pair of auxiliary fastening tapes extending outward in the width direction are provided on both sides in the width direction of the leak-proof portion, and the lower side of the auxiliary fastening tape is fixed to the stomach side portion of the disposable diaper. A possible auxiliary fastening part is provided,
In the state where the auxiliary fastening article of the auxiliary fastening tape is attached to the disposable diaper, in the state where the skin contact surface side is directed from the width direction both sides of the disposable diaper to the outer side in the width direction. The auxiliary | assistant absorbent article in any one of Claims 1-3 provided so that it may arrange | position.   The disposable diaper contact surface in the absorption part is provided with an absorption part fastening part for fastening to the skin contact surface side of the disposable diaper, and the disposable diaper contact surface in the leakage preventing part is The auxiliary | assistant absorbent article in any one of Claims 1-4 in which the leak-proof part fastening part for fastening with the non-skin contact surface side of a disposable diaper is provided.   The auxiliary absorbent article according to any one of claims 1 to 5, wherein the disposable diaper is an unfolded disposable diaper in which a pair of fastening tapes are provided on a back side portion. The disposable diaper is an unfolded disposable diaper provided with a pair of fastening tapes on the back side,
A pair of auxiliary fastening tapes extending outward in the width direction are provided on both sides in the width direction of the absorbent part, and the upper side of the auxiliary fastening tape can be fastened to the stomach side part of the disposable diaper. A supplementary fastening part is provided, and on the lower surface side of the auxiliary fastening tape, an inter-tape fastening part that can be fastened to the fastening part of the fastening tape of the disposable diaper is provided,
The auxiliary fastening tape is fastened to the fastening part of the disposable diaper by the inter-tape fastening part in a state where the auxiliary absorbent article is attached to the disposable diaper, and the abdomen of the disposable diaper by the auxiliary fastening part. The auxiliary | assistant absorbent article in any one of Claims 1-3 which can be fixed to a side part and can form the wearing form of a disposable diaper.

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