JP4279190B2 - Disposable diapers - Google Patents

Description

  The present invention relates to a disposable diaper, and more particularly to a disposable diaper that is flat and can be detached from the stomach side or back side.

  A conventional flat disposable diaper has a structure in which an absorbent body is interposed between an outer sheet made of a liquid-impermeable sheet and an inner sheet made of a liquid-permeable sheet. A front side flap and a rear side flap that are formed in a vertically long shape reaching the part and extend outward on both sides are provided at the front waist part and the rear waist part, respectively. Further, a mounting tape is provided on the rear side flap, and a front target tape for attaching and detaching a fixing portion provided on the mounting tape is provided on the front waist portion.

  In addition, a surface fastener is generally applied to the mounting tape and the front target tape, and a hook tape in which a large number of micro hooks are dispersedly formed at the fixing portion of the mounting tape is used, and a large number of micro hooks engaged with the front target tape. A non-woven fabric tape is used as a loop tape in which the minute loops are dispersedly formed. In addition, the front target tape has a designed scale that displays the attachment position of the mounting tape at a glance according to the size of the wearer's waist so that it can be worn in a short time, and it is good for infants etc. Patterns such as various designs to give

  However, the conventional flat-type disposable diaper described above has the rear waist portion applied to the wearer's back side and the front waist portion applied to the stomach side when worn, and the front side flap is set inside and the rear side flap is stacked on the outside. In addition, it is necessary to fix the mounting tape for the rear side flaps to the front target tape on the front waist, and even if it can be mounted relatively easily with the wearer lying on its back, the wearer must remain facing backwards. It is extremely difficult to wear it from the back side, and there is a problem that it is not easy to wear and takes time for a wearer who cannot lie down and lie down for a while.

  In addition, as a flat type disposable diaper that can be worn from the front side or from the back side, some diapers are configured symmetrically in the front-rear direction and have the same function even if the diaper is worn upside down. Although it has been proposed, when changing diapers, it is necessary to find out whether the attachment tape is fixed on the stomach side or the back side. There are problems such as difficulty in removing the tape.

  In view of the above-described conventional problems, the present invention is a disposable diaper that can be attached / detached on either the stomach side or the back side when attaching / detaching the diaper, and can be easily attached / detached regardless of the posture of the wearer. The purpose is to provide.

Disposable diaper of the present invention, prior to superimposing the side flaps and the rear side flaps before which extends on both sides outward of the vertical rectangular shape in and front waist portion and a rear waist portion which leads to a rear waist portion through the crotch from the waist part in the disposable diaper so as to stick to each other removably by mounting a tape, the mounting tape has an hourglass shape with both end portions becomes wider, the opposite end portions became the wide, the front side flap side And a plurality of fixing portions that are detachably fixed to the rear side flap side.

According to this structure, it has the adhering part which attaches to the front side flap side and the rear side flap side which overlapped with the both ends which became wide of the hourglass-shaped mounting tape, respectively, and can be attached and detached by it. Can be attached and removed, but the attachment part of the attachment tape can be attached or removed on either the stomach side or the back side, and whether the attachment tape is attached on the stomach side or on the back side. Therefore, the diaper can be easily attached and detached regardless of the posture of the wearer.

  In addition, the mounting tape is made of a pair of tape materials, one end of which is fixed to one of the side flaps, the other end of one tape, the other end of the other tape, and the other tape. It can also be set as the structure which provided.

  In addition, it is possible to provide a structure in which an easy-to-break part consisting of a thin line by heat sealing or a perforation is provided between the adhering parts on both sides of the mounting tape. There is an advantage that it is easy to remove by breaking the easily breakable portion when it is not.

  Further, at least one side portion of the mounting tape can be divided into a plurality of portions in the width direction, and a fixing portion can be provided for each of the mounting tapes. In this way, at least one side portion is divided into upper and lower portions and fixed to the waist and buttocks portions, respectively. In this way, the diaper can be firmly fixed and the fit can be improved.

  Moreover, an expansion / contraction part can also be provided between the adhering parts on both sides of the mounting tape, whereby the fit of the side parts can be improved.

According to the disposable diaper of the present invention, the disposable diaper has fixing portions that are detachably fixed to the front side flap side and the rear side flap side, which are overlapped with the wide end portions of the hourglass-shaped mounting tape , It can be put on and removed by its attachment / detachment, but the attachment part of the attachment tape can be attached / detached on either the stomach side or the back side, and the diaper can be easily attached / detached regardless of the wearer's posture. Can do.

  Hereinafter, each embodiment of the disposable diaper of this invention is described with reference to FIGS. The following embodiment is an example embodying the present invention, and does not limit the technical scope of the present invention.

(First embodiment)
First, a first embodiment of the present invention will be described with reference to FIGS. FIG. 1 shows the overall configuration of a flat disposable diaper 1. The disposable diaper 1 has a configuration in which an absorbent body (not shown) is interposed between a liquid-impermeable outer sheet 2 and a liquid-permeable inner sheet 3, and a crotch part 6 is connected to the front waist part 5. After that, it is formed in a vertically long shape that reaches the rear waist portion 7. The outer sheet 2 is composed of a waterproof sheet made of a liquid-impermeable polyethylene sheet or the like, and a back sheet made of a thin nonwoven fabric for giving a cloth-like feel to the outer surface, and the inner sheet 3 is composed of a nonwoven fabric. Has been.

  Between the front waist portion 5 and the rear waist portion 7, elastic elastic members such as thread rubber are arranged in an extended state on both sides of the absorbent body and joined to the sheets 2 and 3 to join the three-dimensional gather portion 8 and the gathering. The outer edge portion 9 is formed, and the front waist portion 5 and the rear waist portion 7 are configured to fit the waist by joining tape-like elastic elastic members made of foamed polyurethane or the like to the gathered sheets 2 and 3. Has been. The front waist portion 5 and the rear waist portion 7 are respectively provided with a front side flap 11 and a rear side flap 12 that extend outward on both sides.

  A mounting tape 13 is attached to the front side flap 11 or the rear side flap 12 (the rear side flap 12 in FIG. 1). Further, the front waist portion 5 is provided with a front target tape 14 that gives an indication of the fixing position of the mounting tape 13 according to the size of the wearer's waist. The front target tape 14 is formed with a designed mark for displaying the fixing position at a glance, and a printed pattern 15 such as various patterns for giving a good impression to an infant.

  As shown in FIG. 2, the mounting tape 13 is provided with fixing portions 17 on both side portions in the longitudinal direction of the tape material 16. The fixing portion 17 is configured by integrally fixing a hook tape in which a large number of minute hooks are dispersedly formed so as to constitute a planar fastener that can be removed many times. Further, the front side flap 11, the front target tape 14, and the rear side flap 12 are made of non-woven tape that functions as a loop tape in which a large number of minute loops with which the minute hooks of the fixing portion 17 are engaged are formed. . In the illustrated example, the mounting tape 13 has a rectangular shape, but an arbitrary shape such as an hourglass shape in which the fixing portion 17 is widened can be adopted. However, the symmetrical shape is preferable because it is easy to attach and detach.

The tape material 16 may be anything such as a nonwoven fabric, a film, or a nonwoven fabric laminated with a film, as long as the tensile strength is 3.5 kgf / 50 mm or more corresponding to the force with which the wearer pulls the tape or the abdominal pressure during use. A spunbonded nonwoven fabric having a basis weight of 60 to 80 g / m ² is suitable. The tape material 16 may be of a size that has the required strength and can be easily attached and detached. For example, the tape material 16 has a width of 3 to 10 cm, a length of 3 to 15 cm, and an adult has a width of 10 ˜50 cm and length of about 10 to 40 cm are preferable.

  Further, the fixing portion 17 is not limited to the one constituting the planar fastener, and an adhesive material may be used. In that case, the protective sheet is attached to the other flap or the target tape so that the adhesive tape can be removed. Or a protective film. Any adhesive material can be used as long as it is tacky, but a synthetic rubber-based adhesive based on styrene resin is preferred. These include styrene butadiene rubber and styrene isoprene rubber. Moreover, the self-adhesive hot melt which adhere | attaches only between hot melts can also be used. Furthermore, the thing which can be hooked, such as a button and a fastener currently used with clothing, can also be applied.

  Moreover, the arrangement | positioning state of the mounting tape 13 before use of the disposable diaper 1 is not restricted to what was mounted | worn with the rear side flap 12 like the past, but was mounted | worn with the front side flap 11 as shown in FIG. Alternatively, it may be temporarily attached to the central portion of the front waist portion 5 or may be folded in three and attached to the outer sheet 2.

  According to the above configuration, the mounting tape 13 has the fixing portions 17 that are detachably fixed to the front side flap 11 side and the rear side flap 12 side, respectively, as shown in FIG. As shown in FIG. 2C, the affixing portion 17 on the stomach side of the mounting tape 13 can be attached or detached, and conversely, the adhering portion 17 on the back side can be attached or detached. Moreover, there is no need to search whether the mounting tape 13 is fixed on the stomach side or the back side. Therefore, the disposable diaper 1 can be attached / detached relatively easily in any posture, such as when the wearer is laid on his / her back, or in a posture where he / she stands up backwards.

(Second Embodiment)
Next, the disposable diaper 1 of the 2nd Embodiment of this invention is demonstrated with reference to FIG. In the following description of the embodiment, the same components as those in the preceding embodiment are denoted by the same reference numerals, description thereof will be omitted, and only differences will be mainly described.

  In the disposable diaper 1 of this embodiment, as shown to Fig.3 (a), (b), the mounting tape 13 is comprised with the some tape material of the 1st tape material 18 and the 2nd tape material 19, One end of the first tape material 18 is integrally fixed to the front side flap 11 (or the rear side flap 12) by welding or adhesion, and a pair of fixing portions 17 are provided on both sides of the second tape material 19, One fixing portion 17 is detachably fixed to the other end portion of the first tape material 18 and the other fixing portion 17 is detachably fixed to the rear side flap 12 (or the front side flap 11).

  Further, as shown in FIG. 3 (c), one end of the first tape material 18 is integrally fixed to the front side flap 11 (or the rear side flap 12) by welding or adhesion, and a fixing portion 17 is provided at the other end. The fixing portion 17 of the first tape material 18 is detachably fixed to one end portion of the second tape material 19, and the fixing portion 17 is provided on the other end portion of the second tape material 19 to provide a rear side. You may comprise so that it may adhere to the flap 12 (or front side flap 11) so that attachment or detachment is possible.

  Thus, even if it comprises the plurality of tape members 18 and 19 and these tape members 18 and 19 are detachably fixed, the same actions and effects as in the above embodiment can be obtained.

(Third embodiment)
Next, the disposable diaper 1 of the 3rd Embodiment of this invention is demonstrated with reference to FIG. In this embodiment, as shown in FIGS. 4A and 4B, a perforation 20 as an easily breakable portion is provided between the fixing portions 17 on both sides of the mounting tape 13. Moreover, as shown in FIG.4 (c), you may provide the thin line 21 by a heat seal as an easily broken part.

  According to this structure, even when the stomach circumference is large and the flaps do not overlap at the side portions, the disposable diaper 1 can be easily removed by breaking at the perforation 20 or the thin line 21 as the easily breakable portion.

(Fourth embodiment)
Next, the disposable diaper 1 of the 4th Embodiment of this invention is demonstrated with reference to FIG. In this embodiment, as shown in FIGS. 5A and 5B, at least one side portion of the mounting tape 13 is divided into a plurality of portions in the width direction to form branch tape portions 22a and 22b. A fixing portion 17 is provided.

  According to this configuration, when the disposable diaper 1 is mounted, the branch tape portions 22a and 22b are divided into upper and lower parts and fixed to the waist and buttocks, respectively, so that the disposable diaper 1 can be firmly fixed and the fit can be improved. .

(Fifth embodiment)
Next, the disposable diaper 1 of the 5th Embodiment of this invention is demonstrated with reference to FIG. In the present embodiment, as shown in FIG. 6, the stretchable portion 23 is provided between the fixing portions 17 and 17 on both sides of the mounting tape 13. According to this structure, the fitting property of a side part can be improved.

(Sixth embodiment)
Next, the disposable diaper 1 of the 6th Embodiment of this invention is demonstrated with reference to FIG. In the present embodiment, as shown in FIGS. 7A and 7B, a pattern 24a is printed on the outer surface of the mounting tape 13, and the mounting tape 13 of the rear side flap 12 is detachably fixed. A pattern 24b different from the pattern 24a is printed and formed, and a pattern 24c having a sense of unity with the patterns 24a and 24b is further formed in the vicinity thereof. Further, in FIG. 7, only the relationship between the mounting tape 13 and the rear side flap 12 is shown so as not to complicate the description, but a pattern having the same relationship is also formed between the mounting tape 13 and the front side flap 11.

  According to this configuration, when the disposable diaper 1 is mounted, as shown in FIG. 7A, only the pattern 24a of the mounting tape 13 and the nearby pattern 24c are visible, and the mounting tape 13 is detached from the rear side flap 12. Since the pattern 24b of the portion can be seen, it can be seen that the mounting tape 13 is fixed to the front side flap 11. Thus, it is easy to use because the pattern 24a can easily identify whether the mounting tape 13 is on the front side flap 11 or the rear side flap 12. Furthermore, when these patterns 24a, 24b, and 24c are unified with other patterns provided around the stomach and the back, the appearance is improved.

  The disposable diaper of the present invention has a fixing portion that is detachably fixed to the front side flap side and the rear side flap side to the mounting tape, and the mounting tape can be attached and detached on either the stomach side or the back side. Since the diaper can be easily attached and detached regardless of the posture, it is useful for a flat-type disposable diaper.

It is a perspective view which shows the structure of 1st Embodiment of the disposable diaper of this invention. The principal part structure of the embodiment is shown, (a) is a schematic side view, (b) is an enlarged front view of the mounting tape, and (c) is a schematic side view in a state where one fixing portion of the mounting tape is detached. . The principal part structure of the 2nd Embodiment of this invention is shown, (a) is a schematic side view, (b) is an enlarged front view of a mounting tape, (c) is an enlarged front view of the modified structural example of a mounting tape. . The principal part structure of the 3rd Embodiment of this invention is shown, (a) is a schematic side view, (b) is an enlarged front view of a mounting tape, (c) is an enlarged front view of the modified structural example of a mounting tape. . The principal part structure of the 4th Embodiment of this invention is shown, (a) is a schematic side view, (b) is an enlarged front view of a mounting tape. It is a schematic side view which shows the principal part structure of the 5th Embodiment of this invention. The principal part structure of the 6th Embodiment of this invention is shown, (a) is a schematic side view, (b) is a schematic side view of the state which removed one adhering part of the mounting tape.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Disposable diaper 5 Front waist part 6 Crotch part 7 Rear waist part 11 Front side flap 12 Rear side flap 13 Attachment tape 17 Adhering part 18 1st tape material 19 2nd tape material 20 Perforation (easy fracture part)
21 Thin line (easy break)
22a, 22b Branch tape part 23 Stretchable part 24a, 24b, 24c Pattern

Claims (5)

The front side flaps that extend vertically from the front waist to the rear waist and extend from the front waist to the rear waist overlap the front side flaps and the rear side flaps. in the disposable diaper so as to stick to each other, the mounting tape has an hourglass shape with both end portions becomes wider, the both end portions becomes the wide, into a front side flap side and the rear side flaps side A disposable diaper characterized by comprising a plurality of fixing parts that are detachably fixed to each other.   The mounting tape is made of a pair of tape materials, and one end is fixed to one of the side flaps, and one end of the other tape, one end of the other tape, and the other end of the other tape are provided with fixing portions. The disposable diaper of Claim 1 characterized by the above-mentioned.   The disposable diaper according to claim 1, wherein easily breakable portions are provided between the fixing portions on both sides of the mounting tape.   The disposable diaper according to claim 1, wherein at least one side portion of the mounting tape is divided into a plurality of portions in the width direction, and a fixing portion is provided for each.   The disposable diaper according to claim 1, wherein stretchable portions are provided between the fixing portions on both sides of the mounting tape.

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