JP6137911B2 - Disposable wearing items - Google Patents

Description

  The present invention relates to a disposable wearing article, and more particularly, to a disposable wearing article having a chassis, which is mainly for adults and having an outer shape of a diaper, and an absorbent pad disposed on the inner surface of the chassis.

  2. Description of the Related Art Conventionally, an open-type disposable wearing article including a chassis that forms an outer shape of a diaper and an absorbent pad disposed on the inner surface thereof is known. For example, Patent Document 1 discloses a disposable wearing article including a chassis that forms the outer shape of a diaper and an absorbent pad that is detachably attached to the inner surface of the chassis.

JP 2010-75542 A

  According to the disposable wearing article disclosed in Patent Document 1, since the chassis and the absorbent pad that is detachably attached to the inner surface thereof are combined, the absorbent pad that absorbs and retains bodily fluid after excretion is provided. By exchanging, it can be made to wear on a wearer's body again. Therefore, it is not necessary to replace and discard the chassis every time it is excreted, and it is possible to save time and effort required for disposal, and it is economical.

  However, if the absorbent pad is not disposed at an appropriate position on the chassis when the absorbent pad is attached or replaced, there is a risk of causing side leakage of excreta. In particular, when using an absorbent pad having a different arrangement mode on the inner surface of the chassis depending on gender or the like, a required effect cannot be obtained unless it is arranged at an appropriate position.

  An object of the present invention is to improve a conventional disposable wearing article, which has an easily visible pad arrangement mark, and an open type in which an absorbent pad can be arranged at different proper positions for each gender on the inner surface of the chassis. The present invention relates to the provision of disposable wearing articles.

  In order to solve the above problems, the present invention has a lateral direction and a longitudinal direction, a skin facing surface and a non-skin facing surface, a first waist region, a second waist region, and the first and second waists. It is related with the disposable wearing article containing the chassis which has the crotch area located between areas, and the absorptive pad arrange | positioned at the said skin opposing surface of the said chassis.

In the disposable wearing article according to the present invention, the chassis has a pad arrangement mark having a contour shape of the absorbent pad at least on the skin facing surface of the crotch region, and the absorbent pad is in the longitudinal direction. 1st pad arrangement | positioning mark which has the 1st edge part and 2nd edge part which oppose, and the said pad arrangement | positioning mark positions the said 1st edge part of the said absorbent pad in the said 1st waist area side When, and having a second pad disposed labeled to position the front Stories second edge to the first waist region side.

  According to one or more embodiments of the disposable wearing article according to the present invention, the first and second pad placement markers are provided on the inner surface, and the absorbent pad is appropriate to be opposite to each other in the longitudinal direction according to gender. Can be placed in position.

The perspective view in the wearing condition of an open type disposable diaper shown as an example of the disposable wearing article concerning the present invention. The exploded perspective view of a diaper. The partially broken expansion | deployment top view of a diaper. The partially broken top view of an absorptive pad. The expansion | deployment top view of the diaper in the state which has arrange | positioned the absorbent pad along the 1st pad arrangement | positioning label | marker. FIG. 6 is a schematic cross-sectional view taken along line VI-VI in FIG. 5. The expansion | deployment top view of the diaper in the state which has arrange | positioned the absorbent pad along the 2nd pad arrangement | positioning label | marker.

<First Embodiment>
With reference to FIGS. 1-3, the disposable diaper 10 shown as an example of a disposable wearing article has the vertical direction Y and the horizontal direction X, the non-skin opposing surface located in the skin opposing surface and the opposite side, and the side of a diaper. A virtual longitudinal center line PP that bisects the dimension in the direction X, a virtual lateral center line QQ that bisects the dimension in the longitudinal direction Y of the diaper, and a lower torso of the wearer, and a base A chassis 11 having a function and an absorbent pad 12 disposed on the inner surface of the chassis 11 are included. The absorbent pad 12 extends to the front and rear waist regions 13 and 14 with the crotch region 15 of the chassis 11 as the center. In FIG. 2, the absorbent pad 12 is disposed along the first pad placement mark 61 described later. A mode is shown by a solid line, and a mode in the case of arranging an absorptive pad 12 along the 2nd pad arrangement mark 62 mentioned below is shown by a virtual line. Although the disclosed diaper 10 belongs to an open diaper, the present invention does not exclude application of a pants-type (pull-on-type) diaper.

<Chassis>
The chassis 11 includes a front waist region (one of the first or second waist regions) 13, a rear waist region (the other of the first or second waist regions) 14, and a crotch region located between the front and rear waist regions 13, 14. 15, a liquid-permeable surface sheet 16 positioned on the skin facing surface side, a back sheet 17 positioned on the non-skin facing surface side, and a liquid absorbing structure 18 interposed between the top sheet 16 and the back sheet 17. And a liquid-impervious or liquid-impervious leak-proof sheet 19 located between the liquid-absorbing structure 18 and the back sheet 17. A pair of barrier sheets (containment sheets) 20 that are separated from each other in the lateral direction X and extend in the longitudinal direction Y are disposed on the skin facing surface side of the top sheet 16. The chassis 11 has the required body fluid absorption performance by having the liquid absorption structure 18, but as long as the absorbent pad 12 is disposed, the chassis 11 does not have the liquid absorption structure 18 and does not have an absorption holding function. May be.

<Top sheet, back sheet>
For the surface sheet 16, various known fiber nonwoven fabrics such as a hydrophilic spunbond fiber nonwoven fabric or a point bond fiber nonwoven fabric having a mass of about 15 to 35 g / m ² , preferably about 18 to 23 g / m ² can be used. . For the back sheet 17, for example, a spunbond / meltblown / spunbond (SMS) fiber nonwoven fabric or a spunbond fiber nonwoven fabric having a mass of about 10 to 30 g / m ² can be used.

<Liquid absorption structure>
The absorbent structure 18 is located at least in the crotch region 15 and comprises an absorbent core formed from a mixture comprising wood fluff pulp, superabsorbent polymer particles (SAP), and optionally thermoplastic fibers, And a liquid diffusive sheet such as tissue paper covering the core material.

<Leak-proof sheet>
As the leak-proof sheet 19, a plastic film that is hardly liquid-permeable, preferably liquid-impermeable and breathable can be used. The leakage preventing sheet 19 has a larger outer shape than the liquid absorbing structure and extends from the outer peripheral edge thereof, and can prevent leakage of body fluid absorbed and held by the liquid absorbing structure to the outside. And it fixes through the hot-melt-adhesive (not shown) apply | coated to the inner surface of any one of the surface sheet 16 and the back surface sheet 17. FIG.

<Barrier sheet>
The barrier sheet 20 includes a proximal edge 23 fixed to both sides of the top sheet 16, front and rear fixed ends 24 and 25 fixed to the top sheet 16 and the back sheet 17 in the front and back waist regions 13 and 14, And a distal edge 26 formed by folding the inner edge of the barrier sheet 20 extending in the longitudinal direction Y between the front and rear fixed ends 24 and 25 inward. A plurality of string-like shapes extending in the longitudinal direction Y between the both side portions of the leak-proof sheet 19 and the proximal edge portion 23 of the barrier sheet 20 outside the lateral direction X of both side edges of the liquid absorbing structure 18 A strand-like leg elastic element 28 is fixed in a stretched state via a hot melt adhesive (not shown) so as to be shrinkable. A string-like or strand-like cuff elastic element 29 extending in the longitudinal direction Y is disposed on the distal edge portion 26 of the barrier sheet 20. The distal edge portion 26 is separated from the skin-facing surface of the topsheet to the wearer's body side by the contraction action of the cuff elastic element 29 in the wearing state of the diaper 10 and prevents a pair of excrement from leaking sideways. A barrier cuff (three-dimensional cuff) 30 is formed.

  The chassis 11 has end flaps 31 that face each other in the vertical direction Y and extend in the horizontal direction X, and side flaps 32 that face each other in the horizontal direction and extend in the vertical direction Y. The end flap 31 is formed by superimposing the top sheet 16, the leak-proof sheet 19, the back sheet 17, and the barrier sheet 20 that extend outward in the longitudinal direction Y from the front and rear end edges of the liquid absorbing structure 18. The Further, the barrier sheet 20 extends from the both side edges of the liquid absorbing structure 18 outward in the lateral direction X, and the top sheet 16, the leak-proof sheet 19, the back sheet 17, and the barrier sheet 20 are overlapped with each other. Formed by. The side flaps 32 cooperate with the leg elastic elements 28 to form a gasket cuff 32a. Between the top sheet 16 and the back sheet 17 forming the end flap 31, a band-like side panel 33 extending in the lateral direction along the rear end edge of the rear waist region 14 is disposed.

  A side panel 33 is attached to the side flap 32 in the rear waist region 14 of the chassis 11. The side panel 33 includes a fixed portion fixed between the barrier sheet 20 and the back sheet 17 forming the side flap 32, a distal portion extending outward in the lateral direction X from the fixed portion, and a base material forming the outer shape thereof. A sheet 36 and a bifurcated reinforcing sheet 37 extending outward in the lateral direction X from the base sheet 36 are provided. The base sheet 36 and the reinforcing sheet 37 are formed from a sheet material having a relatively high rigidity and tensile strength such as a plastic film, a fiber nonwoven fabric, and a laminate thereof. A fastener portion 38 having a hook group of mechanical fasteners is disposed.

  On the outer surface of the front waist region 13, a receiving sheet 40 for defining a landing or target region having a loop group of mechanical fasteners on which the fastener portion 38 is hooked so as to be engaged and disengaged is disposed. The receiving sheet 40 is formed by laminating a fiber non-woven fabric or knitted fabric having a loop group on a plastic film, and is almost formed in the front waist region 13 by various known joining means such as a hot melt adhesive, a heat seal, and an adhesive tape. Located on the entire outer surface. As the receiving sheet 40, an illustration sheet having a decorative element such as a pattern, a pattern, or a character can be used. By receiving and fastening the fastener portion 38 to the catching sheet 40, a waist opening and a pair of leg openings are defined.

<Absorbent pad>
Referring to FIG. 4, the absorbent pad 12 includes a liquid-permeable first sheet 41 located on the skin-facing surface side, a liquid-impermeable second sheet 42 located on the non-skin-facing surface side, and the first and first sheets. And an absorbent core member 43 interposed between the two sheets 41 and 42. The 1st sheet | seat 41 can be formed from well-known materials, such as a fiber nonwoven fabric, and the 2nd sheet | seat 42, such as a breathable plastic film or those laminate sheets. The core 43 is formed from a mixture including wood fluff pulp, superabsorbent polymer particles (SAP), and optionally thermoplastic fibers (staple fibers). Although not shown, the core material 43 is preferably encased in a liquid diffusive sheet such as tissue paper. Moreover, the 1st connection part 45 which consists of well-known latching means, such as a hook group of a mechanical fastener, is located in the center part of the non-skin opposing surface (surface facing the chassis 11) of the absorbent pad 12. The absorbent pad 12 as a whole is thick because the same width dimension and / or wide area 47 includes a larger amount of the core material 43 than the narrow area 48, and has high absorption performance. May be.

<First and second body position indicators>
The absorbent pad 12 is further positioned between the curved first and second end edges 12a, 12b and the first and second end edges 12a, 12b facing each other in the longitudinal direction Y. Both side portions 12c and 12d that curve inward and form a gentle curve toward the second end edge 12b, the wide area 47 that is located on the first end edge 12a side, and the second end edge 12b side And a narrow region 48 located at the bottom. On the skin facing surface of the absorbent pad 12, a first body position indicator 51 located in the narrow area 48 and a second body position located in the wide area 47 apart from the first body position indicator 51 in the longitudinal direction Y. And a sign 52. The first and second body position markers 51 and 52 have contour shapes of the wearer's buttocks, and are arcuate shapes extending from the center points 51a and 52a and the lateral points X of the center points 51a and 52a, respectively. It has site | parts 51b and 52b. The first body position indicator 51 is for men and the second body position indicator 52 is for women, and the colors are different from each other so that the user can instantly distinguish them (for example, the first body position indicator 51 is blue, The position marker 52 preferably has a red color or the like. Further, the first and second body position indicators 51 and 52 can be formed by other figures, patterns, characters, or combinations thereof in addition to the illustrated embodiment, but the wearer's buttocks as in the present embodiment. By having this contour shape, the wearer can instantly understand that it indicates an appropriate arrangement position of the buttocks.

<First and second pad placement markers>
Referring again to FIGS. 2 and 3, the chassis 11 has, on its inner surface, a first pad placement indicator 61 that forms the contour shape of the absorbent pad 12 and a second pad placement indicator 62 that is positioned symmetrically with respect to the horizontal axis Q. And have. The first pad arrangement mark 61 is provided to arrange the absorbent pad 12 so that the wide area 47 is located on the front waist area 13 side, and is located on the skin facing surface of the top sheet 16. A first display portion 61a indicated by a continuous thick line consisting of a portion that curves outward (forward) in the longitudinal direction Y on the region 13 side and a portion that curves backward from the crotch region 15 to the rear waist region 14; And a second display portion 61b indicated by a discontinuous thick line that is located on the skin facing surface of the barrier cuff 30 and is curved outward in the lateral direction X between the first display portions 61a. On the other hand, the 2nd pad arrangement | positioning label | marker 62 is for arrange | positioning the absorbent pad 12 so that the wide area 47 may be located in the back waist area 14 side, Comprising: It is located in the skin opposing surface of the surface sheet 16. A first display portion indicated by a bold white line consisting of a portion that curves outward (backward) in the longitudinal direction Y on the rear waist region 14 side and a portion that curves forward from the crotch region 15 to the front waist region 13 62a and a second display portion 62b indicated by a discontinuous white line that is located on the skin facing surface of the barrier cuff 30 and protrudes outward in the lateral direction X between the first display portions 62a.

  Moreover, the 2nd connection part 65 for fixing the absorbent pad 12 to the chassis 11 so that attachment or detachment is possible is arrange | positioned in the center part which cross | intersects the horizontal axis Q in the skin opposing surface of the surface sheet 16 of the chassis 11. . By fixing the first connecting portion 45 located on the non-skin facing surface of the absorbent pad 12 to the second connecting portion 65, the absorbent pad is disposed at a required position. The diaper 10 has only one of the first connecting part 45 or the second connecting part 65 having a hook group of mechanical fasteners, and is directly on the inner surface of the absorbent pad 12 or the chassis 11 on the side facing them. It can also be linked.

  The first and second body position marks 51 and 52 of the absorbent pad 12 and the first and second pad position marks 61 and 62 of the chassis 11 are displayed with paint or printing ink applied to the surface of the sheet to be disposed. Is done. In the first and second pad arrangement markers 61 and 62, the first display portions 61a and 62a are displayed by continuously applying printing ink, and the second display portions 61b and 62b discontinuously print ink. Applied and displayed. The first and second pad placement markers 61 and 62 preferably have different decorative elements by changing the printing pattern of the printing ink as shown so that the wearer can instantly distinguish them. Moreover, it is absorptive that the 1st and 2nd pad arrangement | positioning label | markers 61 and 62 have a mutually different decoration element so that it can distinguish easily, and the 2nd display part 62b has a display element different from the 1st display part 62a. It is also preferable from the viewpoint of user-friendliness to print and describe on the packaging package of the diaper 10 a description of how to use the absorbent pad 12 including the point that the pad 12 is positioned on the inner surface of the barrier sheet 20.

<First pad layout (for men)>
Referring to FIGS. 5 and 6, the absorbent pad 12 is disposed on the inner surface of the chassis 11 along the first pad placement mark 61, and the wide width region 47 of the absorbent pad 12 is located on the front waist region 13 side. Yes. Such an arrangement form of the absorbent pad 12 is suitable when the diaper 10 is used by men, and the narrow wide area 48 is formed in the front waist area 13 by positioning the wide wide area 47 of the absorbent pad 12 on the front waist area 13 side. More urine discharged from a male urinal located on the front side from the center of the body can be absorbed and retained as compared to the case of being located on the side.

  Further, even if the wearer can recognize from the decorative elements such as the color and pattern that the arrangement mark of the absorbent pad 12 for men is the first pad arrangement mark 61, the absorbent is directly absorbed along the outer shape. When the pad 12 is disposed on the inner surface of the chassis 11, a part of the absorbent pad 12 is positioned on the barrier cuff 30, and the barrier cuff 30 does not perform a normal function, causing side leakage of body fluid. In the present embodiment, the first display portion 61a of the first pad arrangement mark 61 is a continuously applied printing ink, whereas the second display portion 61b is formed from a discontinuously applied printing ink. Since the display elements are different, the wearer understands that both sides of the wide area 47 of the absorbent pad 12 along the second display portion 61b are located on the inner surface of the barrier cuff 30. The absorbent pad 12 can be disposed in the chassis 11 so as to be raised.

  Referring to FIG. 6, by placing both sides of the wide area 47 of the absorbent pad 12 inside the barrier cuff 30, when the diaper 10 is worn, at least the lateral cuffs on both sides of the wide area 47 have a barrier cuff. 30 stands up and can effectively prevent the side leakage of the body fluid from the absorbent pad 12. In addition, in a state where the absorbent pad 12 is disposed along the first pad placement mark 61, the first body position mark 51 located in the narrow area 48 faces the wearer's buttocks. Even if the wearer places the absorbent pad 12 at an appropriate position along the first pad placement mark 61, it may be difficult to place the absorbent pad 12 at an appropriate position on the body. The first body position indicator having the contour shape of the wearer's buttocks as described above may cause the fluid to leak due to the displacement of the absorbent pad when worn in the proper position. The absorbent pad 12 can be brought into contact with the body at an appropriate position by placing its own buttocks so as to face 51.

<Second pad layout (for women)>
Referring to FIG. 7, the absorbent pad 12 is disposed on the inner surface of the chassis 11 along the second pad placement mark 62, and the wide width region 47 of the absorbent pad 12 is located on the rear waist region 14 side. Such an arrangement form of the absorbent pad 12 is suitable when a diaper 10 is used by a woman, and the narrow wide area 47 is formed in the rear waist area 14 by the wide wide area 47 of the absorbent pad 12 being positioned on the rear waist area 14 side. More urine discharged from a female urinal located on the rear side from the center of the body can be absorbed and retained as compared to the case of being located on the side. Further, since the narrow area 47 is positioned on the front waist area 13 side, the absorbent pad 12 does not get in the way during walking or the like. In a state where the absorbent pad 12 is disposed along the second pad placement mark 62, the second body position mark 52 is located opposite to the wearer's buttocks, so that the absorbent pad 12 is placed at an appropriate position on the body. Can be addressed.

  Thus, the diaper according to the present invention has the first and second pad placement marks 61 and 62 indicating the placement position of the absorbent pad 12 on the inner surface of the chassis 11, so that the wearer can select a suitable mark depending on the gender. Can be used properly. That is, even if it is the same absorbent pad 12, it can be used so that a bodily fluid can be absorbed and retained by gender by changing the arrangement position in the vertical direction Y, so that the shape varies depending on the gender. There is no need to prepare two absorbent pads. Further, since the decoration elements of the first and second pad placement markers 61 and 62 are different, an appropriate placement marker can be selected instantaneously. Further, since the first and second display portions 61a, 62a, 61b, 62b are different display elements, a part of the absorbent pad 12 can be properly disposed on the inner surface of the barrier cuff 30, Since the absorbent pad 12 can be brought into contact with the proper position of the body by the first and second body position indicators 51, 52, male and female elderly people can worry about leakage of body fluids, A comfortable daily life can be sent with the diaper 10 worn in peace.

  Unless otherwise specified, each component and material constituting the disposable diaper 10 includes various known materials that are commonly used in this type of field in addition to the materials described in this specification. Can be used without limitation. Further, the terms “first” and “second” used in the present specification and claims are merely used to distinguish similar elements, positions, and the like.

The disclosure relating to the present invention described above can be summarized in at least the following matters.
A chassis having a lateral direction and a longitudinal direction, and having a skin facing surface and a non-skin facing surface, a first waist region, a second waist region, and a crotch region located between the first and second waist regions; A disposable wearing article including an absorbent pad disposed on the skin-facing surface of the chassis, wherein the chassis has a pad placement mark having a contour shape of the absorbent pad at least on the skin-facing surface of the crotch region. The absorbent pad has a first end edge and a second end edge facing each other in the longitudinal direction, and the pad placement mark indicates the first end edge of the absorbent pad. wherein a first and a pad disposed label is positioned on the first waist region side and a second pad disposed label to the front Stories second edge portion positioned in the first waist region side.

The disposable wearing article according to the present invention disclosed in the above paragraph 0029 can include at least the following embodiments.
(1) The first pad arrangement mark includes a decoration element different from the second pad arrangement mark.
(2) The chassis is located on the skin-opposing surface side of the liquid-absorbing structure, the liquid-permeable surface sheet located on the skin-facing surface side of the liquid-absorbing structure, and both sides of the surface sheet. A liquid-impervious barrier sheet, and the first and second pad arrangement markers are located on the second display portion located on the barrier sheet and on the surface sheet exposed to the outside between the barrier sheets. And a first display portion.
(3) The absorbent pad has a wide wide area located on the first end edge side and a narrow wide area located on the second end edge side.
(4) The first and second display units are displayed by printing ink applied to the skin facing surface of the chassis.
(5) before Symbol second display section it is one that is displayed intermittently applying the printing ink, the first display unit is displayed continuously applying the printing ink.
(6) The absorptive pad is detachably attached to the chassis via at least a connecting portion located in the crotch region.
(7) The absorbent pad has a body position mark for marking a contact position of a wearer's body, and the body position mark is a first body position mark located on the second edge side. And a first body position mark and a second body position mark that are spaced apart in the longitudinal direction and are positioned on the first edge portion side.
(8) The first and second body position markers have a contour shape of the wearer's buttocks.

10 Disposable wearing articles (disposable diapers)
11 Chassis 12 Absorbent Pad 12a First End Edge 12b of Absorbent Pad Second End Edge 13 of Absorbent Pad Front Waist Area (First or Second Waist Area)
14 Rear waist area (first or second waist area)
15 Crotch area 16 Top sheet 30 Barrier cuff 61 1st pad arrangement | positioning label | marker 62 2nd pad arrangement | positioning label | marker 61a, 62a 1st display part 61b, 62b 2nd display part 47 Width wide area 48 Width narrow area 65 Connection part X Horizontal direction Y Vertical direction

Claims (9)

A chassis having a lateral direction and a longitudinal direction, and having a skin facing surface and a non-skin facing surface, a first waist region, a second waist region, and a crotch region located between the first and second waist regions; In the disposable wearing article comprising an absorbent pad disposed on the skin facing surface of the chassis,
The chassis has a pad arrangement mark having a contour shape of the absorbent pad at least on the skin facing surface of the crotch region,
The absorbent pad has a first edge and a second edge facing each other in the longitudinal direction,
The pad arrangement labels, the a first pad disposed labeling said first end edge Ru is positioned in the first waist region side of the absorbent pad, pre-Symbol second edge to the first waist region side wearing article you; and a second pad disposed label Ru is located.   The wearing article according to claim 1, wherein the first pad arrangement mark includes a decorative element different from the second pad arrangement mark. The chassis includes a liquid-absorbing structure, a liquid-permeable surface sheet located on the skin-facing surface side of the liquid-absorbing structure, and an impermeable liquid located on the skin-facing surface side on both sides of the surface sheet. A first display located on the top sheet exposed to the outside between the barrier sheet and a second display portion located on the barrier sheet. The wearing article of Claim 1 or 2 which has a part.   The wearing article according to any one of claims 1 to 3, wherein the absorbent pad has a wide wide area located on the first end edge side and a narrow wide area located on the second end edge side. The said 1st and 2nd display part is a wearing article of Claim 3 displayed by the printing ink apply | coated to the said skin opposing surface of the said chassis. Before Symbol the second display section be one that is displayed intermittently applying the printing ink, the first display unit according to claim 5, which is displayed by continuously applying said printing ink Wearing articles.   The wearing article according to any one of claims 1 to 6, wherein the absorbent pad is detachably attached to the chassis via at least a connecting portion located in the crotch region. The absorbent pad has a body position mark for marking a contact position of a wearer's body, and the body position mark is a first body position mark located on the second end edge side, and The wearing article according to any one of claims 1 to 6, further comprising a first body position mark and a second body position mark that is spaced apart in the longitudinal direction and is positioned on the first end edge side.   The wearing article according to claim 8, wherein the first and second body position markers have a contour shape of a wearer's buttocks.

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