JPH09154882A - Disposable diaper - Google Patents

Abstract

PROBLEM TO BE SOLVED: To fit a disposable diaper with a fastener, so as to easily and properly fasten both ends of a back part to a belly part, and enable the diaper to be manufactured inexpensively. SOLUTION: This disposable diaper 10 has a liquid permeable surface sheet 11, a liquid impermeable back sheet 12 and an absorptive body between both sheets 11 and 12. Furthermore, the diaper 10 is formed to have a belly part A for being positioned on a user's belly, and a back part B on the user's back, respectively when the user wears the diaper 10. Also, the belly part A is fitted with a mechanical fastener recessed member 15 and both sides of the back part B is fitted with a mechanical fastener projected member 16 capable of being engaged with the recessed member 15. In this case, the mechanical fastener recessed member 15 is cord or long strip type, and a plurality thereof are secured to the belly part A in parallel along a breadthwise direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a concave member of a mechanical fastener on a ventral side portion, and a convex member of a mechanical fastener which can be locked in the concave member on both right and left sides of the back side portion. More specifically, the present invention relates to a disposable diaper that can be easily and reliably fixed to both sides of the back side by a mechanical fastener on the abdominal side and can be manufactured at low cost.

[0002]

2. Description of the Related Art Conventionally, a disposable diaper has a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body interposed between these two sheets. An abdomen located on the wearer's ventral side when worn and a dorsal side located on the wearer's dorsal side during wearing are formed, and the ventral side is provided with a recessed member of a mechanical fastener, and the dorsal side It is well known that the convex member of the mechanical fastener that can be locked to the concave member is provided on both left and right sides of the section. Such a conventional disposable diaper is worn by joining the back side portion and the abdominal side portion by engaging the back side convex member with the recess side material of the abdominal side portion. However, in such a conventional disposable diaper, the engaging force between the concave member and the convex member is insufficient, and there is a possibility that the back side portion and the abdominal side portion are separated from each other during wearing. In addition, since the mechanical fastener is used, the manufacturing cost may increase.

Therefore, an object of the present invention is to provide a disposable diaper which can be easily and surely fastened to the abdominal side by means of a mechanical fastener on both left and right sides of the back side and can be manufactured at low cost.

[0004]

As a result of various studies to achieve the above object, the inventors of the present invention have found that the concave member and the convex member of the mechanical fastener are not simply engaged with each other in a planar state. It has been found that when a plurality of concave members are engaged with each other in a region facing the convex member while being spaced apart from each other, the concave members are more strongly engaged and fixed.

The present invention has been made based on the above findings, and has a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorber interposed between these two sheets.
An abdominal part located on the abdominal side of the wearer when worn and a dorsal part located on the dorsal side of the wearer when worn are formed, and a concave member of a mechanical fastener is provided on the abdominal part, and the dorsal part In a disposable diaper provided with convex members of a mechanical fastener that can be locked to the recessed material on the left and right sides, the recessed material of the mechanical fastener is a string-shaped or long-striped shape,
The present invention provides a disposable diaper, characterized in that a plurality of them are fixed in parallel in the width direction of the abdominal side.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the disposable diaper according to the present invention will be specifically described below with reference to the drawings. FIG. 1 is a perspective view showing a disposable diaper according to a first embodiment of the present invention, and FIG. 2 is an enlarged front view of a main part of the disposable diaper of FIG. 1 when worn.

The disposable diaper 10 of this embodiment is shown in FIG.
As shown in FIG. 3, the liquid-permeable top sheet 11, the liquid-impermeable back sheet 12, and an absorbent body (not shown) interposed between these sheets are provided, and are placed on the abdomen of the wearer when worn. A ventral side portion A located and a back side portion B located on the back side of the wearer when worn are formed. Further, the concave portion 15 of the mechanical fastener is provided on the ventral side portion A, and the convex member 16 of the mechanical fastener that can be locked to the concave portion 15 is provided on both sides of the back side portion B. The configuration of is the same as that of the above-mentioned conventional technique. Thus, in the disposable diaper 10 of this embodiment, the recessed material 1 of the mechanical fastener is
5 is a string-like shape, and a plurality of them are fixed in parallel in the width direction of the ventral side portion A.

To describe this embodiment in detail, the recessed member 15 of the mechanical fastener is formed by twisting a plurality of threads and erected the surface in a looped manner, and the diameter excluding the fluff. Is 1 mm. And this recessed material 15
Two pieces of the disposable diaper 10 are fixed in parallel from one side of the ventral side A to the other side thereof with a space of 2 cm. In addition, it is preferable that the recessed member 15 of the mechanical fastener has a diameter of 0.5 to 5 mm excluding fuzz,
Further, it is desirable that 1 to 11 pieces are fixed to the abdominal portion A. Further, the recessed material 15 of each mechanical fastener is 0.5
It is preferable that they are fixed in parallel with each other with an interval of ˜5 cm. And the disposable diaper 10 of this embodiment is
As shown in FIG. 2, the convex member 16 of the back side portion B is engaged with and fixed to the concave material 15 on both the left and right sides of the abdominal portion A, and is worn.

In the disposable diaper 10 of the present embodiment having the above-mentioned structure, since the concave member 15 of the mechanical fastener is arranged with a space, the concave member 15 and the convex member 16 are more firmly engaged with each other. . Therefore, according to the disposable diaper 10 of the present embodiment, the left and right side portions of the back portion B are securely fixed to the abdominal portion A by the mechanical fasteners. Also,
According to the disposable diaper 10 of the present embodiment, the recess members 15 of the mechanical fastener are arranged with a space therebetween, and the recess members 15
Since the engagement area between the convex portion 16 and the convex member 16 is small, it is easy to attach and detach the both side portions of the back side portion B and the abdominal side portion A. Further, according to the disposable diaper 10 of the present embodiment, since the recessed material 15 of the mechanical fastener is arranged in the region facing the convex member 16 with a space, the amount of the recessed material 15 is small, Manufacturing cost can be kept low.

Next, a second embodiment of the disposable diaper of the present invention will be described. In this embodiment, the same members as those of the disposable diaper 10 of the first embodiment shown in FIG. 1 or 2 described above are designated by the same reference numerals, and the description thereof will be omitted. FIG. 3 is a perspective view showing a disposable diaper according to a second embodiment of the present invention, and FIG. 4 is an enlarged front view of a main part of the disposable diaper of FIG. 3 when worn.

In the disposable diaper 20 of this embodiment, as shown in FIG. 3 or 4, the concave member 25 of the mechanical fastener is a long-belt-shaped planar fastener having a width of 5 mm. Two pieces of the disposable diaper 10 are fixed in parallel from one side of the ventral side A to the other side thereof with a space of 2 cm. The width of the concave member 25 of the mechanical fastener is preferably 1 to 20 mm, and the width of the abdomen A of the disposable diaper 10 is 1 to 10 from one side to the other side. It is desirable that it be fixed. Further, it is preferable that the concave member 25 of each mechanical fastener be fixed in parallel from one side portion of the abdominal side portion A to the other side portion with a space of 0.5 to 5 cm.

Further, in the present embodiment, the recessed material 25 is used.
Is also fixed to the left and right sides of the abdomen A in the longitudinal direction of the disposable diaper 20. In the vertical direction, two recessed members 25 are fixed in parallel with each other with an interval of 1 cm, and are fixed from one side of the abdominal side A to the other side. It intersects the vicinity of both ends of the recessed material 25. It is desirable that 2 to 20 concave portions 25 are fixed to each side of the abdomen A in the vertical direction. Further, the recessed material 25 of each mechanical fastener is 0.5
It is preferable that they are fixed in parallel with an interval of -20 cm. In the present embodiment, the configuration is the same as that of the first embodiment described above except that the recessed material 15 is not used and the recessed material 25 is arranged and fixed as described above.

The disposable diaper 20 of this embodiment can also obtain the same operation and effect as those of the first embodiment. Further, according to this embodiment, on the side of the ventral side A,
Since the recessed member 25 is also fixed in the vertical direction and the engagement between the recessed member 25 and the convex member 16 is less likely to be disengaged with respect to the pulling force in various directions, the both side portions of the back side portion B can be more reliably secured. It can be fastened to the ventral side A.

The present invention is not limited to the above-described embodiment, and the specific shape, size, etc. of each member can be appropriately changed without departing from the spirit of the present invention.
For example, also in the above-described second embodiment, the recess member 25
May not be provided in the vertical direction, but may be provided only in the width direction of the ventral side portion A. In addition, in the above-described first and second embodiments, the recess members 15 and 25 are not fixed to the abdominal side portion A of the back sheet 12 in the width direction, and the left and right side portions of the abdominal side portion A are not fixed. You may fix it only to. Furthermore, the recessed materials 15, 25
Is also fixed to a plurality of positions in the crotch region between the abdominal part A and the back part B, and the convex member 16 is engaged with various parts at the time of discarding the disposable diapers 10 and 20. You may make it hold | maintain in a folded state.

[0015]

As described above, according to the disposable diaper of the present invention, the fastening of the left and right side portions of the back side portion and the abdominal side portion by the mechanical fastener can be easily and reliably performed, and the manufacturing cost is low. Is.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a disposable diaper according to a first embodiment of the present invention.

FIG. 2 is an enlarged front view of a main part of the disposable diaper of FIG. 1 when worn.

FIG. 3 is a perspective view showing a disposable diaper according to a second embodiment of the present invention.

FIG. 4 is an enlarged front view of a main part of the disposable diaper of FIG. 3 when worn.

[Explanation of symbols]

 10 Disposable Diapers 11 Top Sheet 12 Back Sheet 15 Recessed Material 16 Convex Member 20 Disposable Diaper 25 Recessed Material A Ventral Side B Dorsal Side

Claims (1)

[Claims] 1. A wearer having a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body interposed between these sheets, which is located on the abdominal side of the wearer when worn. Occasionally, a back side portion located on the wearer's back side is formed, a recess member of a mechanical fastener is provided on the abdominal side portion, and a machine capable of being locked to the recess member on both left and right sides of the back side portion. In the disposable diaper provided with the convex member of the dynamic fastener, the concave member of the mechanical fastener has a string shape or a long strip shape, and is fixed in parallel in the width direction of the ventral side portion. A characteristic disposable diaper.