JPH10127694A - Disposable diaper - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a disposable diaper which improve beautiful appearance in case of wearing and improves fitting property and easiness in wearing as well. SOLUTION: This diaper is provided with a liquid permeable surface sheet 2, liquid non-permeable rear face sheet 3 and liquid holdable absorber 4 interposed between both the sheets, and divided into a belly side A to be positioned on the belly side of a wearing person in case of wearing and a back side B to be positioned on the back side, this absorber 4 is divided into a fore part to be positioned on the belly side A and a rear part to be positioned on the back side B so as to position the terminal edge of this rear part higher than the buttocks of the wearing person and at the rear part, a slit part 10 is installed at the almost breadthwise center of the absorber along the lengthwise direction of the absorber from that terminal edge but at the fore part, no slit part is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disposable diaper of the pants type or the deployable type, and more particularly, to a disposable diaper which is excellent in aesthetic appearance when fitted, has good fitting properties, and is easily fitted.

[0002]

2. Description of the Related Art Disposable diapers include a liquid-permeable top sheet, a liquid-impermeable back sheet, and a liquid-retentive absorber interposed between the two sheets. 2. Description of the Related Art Disposable diapers that are provided and are divided into an abdominal part located on the abdominal side of the wearer and a dorsal part located on the back side when worn are widely used for adults or infants. In such a disposable diaper, the edge of the rear part of the absorber is positioned above the buttocks of the wearer when worn, from the viewpoint of preventing leakage.

[0003] For this reason, especially for adults, there is a problem that the form when worn is poor and the appearance is inferior. That is,
When the diaper is worn, since the absorber is present above the buttocks, the absorbers gather near the buttocks and become bulky. Then, the appearance gives a mokomoko impression, which significantly impairs the aesthetic appearance. In addition, this may make it difficult to wear the device at the time of wearing, and sometimes the fit may be impaired due to the presence of the absorbent body above the buttocks.

[0004] Accordingly, an object of the present invention is to provide a disposable diaper which is excellent in aesthetics at the time of wearing, and which is excellent in fitting property and ease of wearing.

[0005]

Means for Solving the Problems The inventors of the present invention have made intensive studies to solve the above-mentioned problems, and as a result, it has been found that a disposable diaper having a cut portion provided at a rear portion of an absorber can achieve the above object. Was found.

The present invention has been made based on the above findings, and comprises a liquid-permeable top sheet, a liquid-impermeable back sheet, and a liquid-retentive absorber interposed between the two sheets. And, in the disposable diaper which is divided into an abdominal part located on the abdominal side of the wearer and a dorsal part located on the back side when worn, the absorbent body includes a front part located on the abdominal part side. And a rear portion located on the dorsal side, wherein the edge of the rear portion is positioned above the buttocks of the wearer when worn, and the rear portion has A cut portion is provided along the longitudinal direction of the absorber from the edge and substantially at the center in the width direction of the absorber, and the cut portion is not provided at the front portion of the disposable diaper, wherein the cut portion is not provided. By providing the above, the above object has been achieved.

[0007] The present invention also provides the disposable diaper, wherein the length of the cut portion is 4 to 10 cm from the edge of the rear portion. Further, the present invention provides the disposable diaper, wherein the cut portion is a triangular cut. Further, the present invention provides the disposable diaper, wherein the cut portion is a slit-shaped cut.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, one embodiment of the disposable diaper of the present invention will be described in more detail with reference to the drawings. Here, FIG. 1 is a perspective view showing one form of the disposable diaper of the present invention from the back side, and FIG. 2 is a plan view of an absorbent body used for the disposable diaper shown in FIG. is there. FIG. 3 is a plan view showing another embodiment of the absorber used for the disposable diaper of the present invention.

As shown in FIGS. 1 and 2, the disposable diaper 1 of this embodiment has a liquid-permeable top sheet 2, a liquid-impermeable back sheet 3, and a liquid-retaining property interposed between the two sheets. And is divided into an abdominal part A located on the abdominal side of the wearer and a dorsal part B located on the back side when worn.

In the disposable diaper 1, the left and right side edges of the abdominal part A and the left and right side edges of the back part B are joined and fixed, and a waist opening 5 and a pair of left and right leg openings 6,
This is a so-called pants-type disposable diaper formed with No. 6. Further, the absorber 4 is formed to be curved in an hourglass shape in which the central portion in the longitudinal direction overflows, and the top sheet 2 and the back sheet 3 are also formed to be curved in accordance with the shape of the absorber 4. ing. Further, elastic members 7 are arranged in the waist opening 5 and the leg openings 6, 6, respectively. Such a configuration is the same as that of a generally known disposable diaper, and a commonly known material for forming the top sheet 2, the back sheet 3, the absorber 4, and the elastic member 7 can be used without any particular limitation. .

In the disposable diaper 1 of the present embodiment, as shown in FIGS. 1 and 2, the absorbent body 4 includes a front part 41 located on the abdominal part A side and a back part B. And a rear portion 42 located on the side of the vehicle.
Edge 43 is positioned above the buttocks of the wearer at the time of wearing, and the rear portion 42 has a cutout along the longitudinal direction of the absorber 4 and substantially at the center of the absorber 4 in the width direction. 1
0 is provided in the front part 41 and the notch 1
0 is not provided.

More specifically, the front portion 41
Is a portion located on the abdominal part A side from the center line 20 (line along the width direction of the absorber 4) at the center in the longitudinal direction of the absorber 4, and the rear part 42 is This is a part located on the side part B side.

The cut portion 10 is a triangular cut. That is, the cut portion 10 has an isosceles triangular shape, the base 12 of which extends along the edge 43 of the rear portion of the absorber 4 and the vertex 11 corresponds to the center line 3 in the width direction of the absorber.
It is located above zero.

The length L of the cut portion 10 is preferably 4 to 10 cm from the edge 43 of the rear portion.
More preferably, it is 〜8 cm. When the length L is less than 4 cm, the effect of providing the cut portion 10 is small, and when the length L is more than 10 cm, the formability may be reduced. Therefore, the length L is preferably within the above range. In addition, in this embodiment, it is 6 cm. Further, the length L ′ of the base 12 of the cut portion 10 is equal to 0.
It is preferably 5 to 5 cm. In addition, in this embodiment, it is set to 2 cm.

The disposable diaper according to the present embodiment has the following effects because the cut portion 10 is provided. (1) There is no mokomoko feeling when attached, and the appearance is excellent. (2) Easy to wear and easy to install. (3) Good fit and excellent leakage prevention. (4) Since the cut portion has a triangular shape, it is excellent in formability. Further, since the notch is not provided in the front part, the amount of absorption in the front part necessary for a man or a boy can be sufficiently maintained.

The disposable diaper of the present embodiment can be manufactured as follows. The absorbent precursor formed by laminating flash pulp or superabsorbent polymer into the shape of the absorbent body 4 having the cut portion 10 or laminating the absorbent body 4 into a shape having no cut portion 10 is cut into the cut portion. The absorber having the above-mentioned shape, that is, the above-mentioned cut portion is obtained by notching the shape of the portion 10, that is, the triangular shape. Then, a pants-type disposable diaper is manufactured by a normal method using the obtained absorber 4, whereby the disposable diaper of the present embodiment can be obtained.

Next, another embodiment of the absorbent used in the disposable diaper of the present invention will be described with reference to FIG. In addition, about the point which is not specifically described in detail, it is the same as that of the absorber of the form mentioned above. In the absorber 4 of the embodiment shown in FIG. 3, the cut portion 10 is a slit-shaped cut. The length of the cut portion 10 is also preferably 4 to 10 cm, more preferably 6 to 8 cm, as in the above-described embodiment.

Incidentally, the disposable diaper of the present invention is not limited to the above-described embodiment, and can be variously modified without departing from the spirit of the present invention. For example, as shown in FIGS. 4 and 5, it is not necessary to form the cut portion 10 by making a cut in a straight line.
Can be formed into a U-shape (see FIG. 5) or the like by making a curved cut line.

[0019]

As described above, the disposable diaper of the present invention is excellent in aesthetics at the time of wearing, and is also excellent in fitting property and ease of wearing.

[Brief description of the drawings]

FIG. 1 shows one form of a disposable diaper of the present invention,
It is a perspective view shown from the back part side.

FIG. 2 is a plan view of an absorber used in the disposable diaper shown in FIG.

FIG. 3 is a plan view showing another embodiment of the absorbent used for the disposable diaper of the present invention.

FIG. 4 is a plan view showing another embodiment of the absorbent used in the disposable diaper of the present invention.

FIG. 5 is a plan view showing another embodiment of the absorbent used for the disposable diaper of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Disposable diaper 2 Top sheet 3 Back sheet 4 Absorber 5 Waist opening 6 Leg opening 7 Elastic member 10 Notch 41 Front part 42 Back part 43 Edge of back part 11 Apex 12 Bottom side A Belly side B Back side

Claims (4)

[Claims] 1. A liquid-permeable top sheet, a liquid-impermeable back sheet, and a liquid-retentive absorber interposed between both sheets, and are located on the abdomen of the wearer when worn. In a disposable diaper divided into an abdominal portion and a dorsal portion located on the back side, the absorbent body includes a front portion located on the abdominal portion side, and a rear portion located on the dorsal portion side. The edge of the rear portion is positioned above the buttocks of the wearer when worn, and the rear portion has an edge extending along the longitudinal direction of the absorber from the edge. A disposable diaper characterized in that a cut portion is provided substantially at the center in the width direction of the body, and the cut portion is not provided in the front portion. 2. The length of the cut portion is 4 to 10 cm from an edge of the rear portion.
The disposable diaper described. 3. The disposable diaper according to claim 1, wherein the cut portion is a triangular cut. 4. The disposable diaper according to claim 1, wherein the cut portion is a slit-shaped cut.