JPH04221554A - Throw-away diaper for adult and its production - Google Patents

Abstract

PURPOSE:To provide a cheap adult diaper which can prevent urine from leaking, which has high absorbing ability and which can be easily taken in and off. CONSTITUTION:The percentage of the weight of cotton-like pulp mat included on the wide part which is one of both sides of a border line bisecting the external shape of a diaper is 54 to 72% of the total weight of cotton-like pulp mats included in the entire diaper. The averaged bulk density of the cotton-like pulp mat is in a range of 0.05 to 0.12g/m<2>, and the external size of the wide part on the one side of the border line is in a range of 50 to 100cm in the direction extending from 30 to 50cm.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disposable adult diaper and a method for manufacturing the same. Specifically, the present invention relates to a novel battledore-shaped adult disposable diaper that takes measures to prevent urine leakage, and an economical manufacturing method thereof.

0002

2. Description of the Related Art Disposable diapers are becoming popular in place of cloth diapers for the disposal of human waste from sick people and bedridden elderly people. This is because disposable diapers have advantages over cloth diapers, such as being more hygienic, easier to handle, and less prone to diaper rash.

[0003] In the spread of disposable diapers, baby diapers have preceded adult diapers. Against this background, the development of the composition and manufacturing technology of adult diapers began with the mere diversion and imitation of baby diapers. For example, early disposable baby diapers had a simple rectangular shape. When hourglass-shaped diapers with narrower legs were developed for babies to improve the fit of the legs, hourglass-shaped diapers for adults appeared on the market a few years later. That is, there has been a misconception in some circles that adult disposable diapers simply need to be larger in size than baby diapers.

[0004] For this reason, conventional techniques for preventing urine leakage have been almost the same for both adults and babies.

[0005] The problem of human waste leakage in disposable diapers has been addressed primarily by efforts to increase their human waste absorption. Early diapers used absorbent paper as the absorbent material. Eventually, dry pulp pulverization technology was established, and pulverized pulp, which was cheaper than water-absorbent paper and had a higher human waste absorption capacity, came to be used in diaper absorbers, which significantly reduced human urine leakage. Furthermore, around the 1970s, absorbers made by adding superabsorbent polymers to pulverized pulp were developed, further reducing human waste leakage. These techniques were first applied to baby diapers, and later to adult diapers.

Many improvements have been made with diaper components other than absorbents. For example, leg gathers have been added to diapers to prevent human urine from leaking from the legs. Another idea is to attach waterproof tape to the back of the diaper to prevent leakage, thereby damming the flow of human waste. All of these methods are methods for stopping the overflow of urine, and do not completely absorb urine with an absorbent material. Therefore,
Depending on the body position and exercise of the diaper wearer, this method may not be effective in preventing leakage. Furthermore, diaper wearers often complain of discomfort due to leakage due to incomplete human urine absorption.

Attempts have also been made to prevent leakage by improving the distribution structure of human waste absorbers. In general, increasing the amount of absorbent material at the excretion site of human urine will reduce leakage. For this reason, some ideas have been made to increase the amount of absorbent material in the portion of the diaper that contacts the crotch area. This idea is effective for babies whose urine output is relatively small. However, the adult version has the drawback that it cannot completely prevent leakage.

[0008] In this way, the problem of human urine leakage in disposable diapers for babies has been largely solved. However, it is still a big problem for adults. This suggests that the problem of human urine leakage for adults cannot be solved by repurposing the technology of disposable diapers for babies.

By the way, these disposable diapers usually have an absorbent material intermittent and periodically arranged between a nonwoven fabric and a polyethylene sheet, and after sealing the peripheral edges of the nonwoven fabric and polyethylene sheet, the absorbent material and the polyethylene sheet are bonded and sealed. It is manufactured by cutting between the absorbers. This manufacturing method is an excellent method for producing disposable products in large quantities at low cost. Therefore, conventional rectangular diapers, hourglass-shaped diapers, etc. are made using this method.

However, conventional manufacturing methods are unsuitable for producing diapers with complicated shapes. For this reason, high-performance diapers with complicated shapes were not mass-produced.

[0011]

[Problems to be Solved by the Invention] Unlike babies, adults generally produce a large amount of urine at a time. In particular, it is not uncommon for patients with infusions to have a urine volume of more than 400 ml at a time. Furthermore, it is difficult to change diapers because of their heavy weight. Therefore, the frequency of changing diapers tends to be low. For these reasons, diapers for adults are required to have a large amount of human urine absorption. It is easy to simply increase the amount of human urine absorbed. Increasing the amount of absorber increases the amount of urine absorbed. However, increasing the amount of absorbent material increases the price of the diaper, which puts pressure on the economy of bedridden elderly people and makes it impractical.

Improving the absorbent distribution of a diaper has been proposed as a method for substantially increasing the absorbent amount of the diaper without increasing the total absorbent amount. This is because the absorbent material of many diapers is not always effectively used to absorb human waste. When examining the urine-absorbing portion of a used diaper, it may be found that most of the absorbent material does not absorb urine. The main reason for this is that the absorbent body is not properly placed in the direction or position of the flow of human waste after it is excreted.

[0013] Many disposable baby diapers solve the leakage problem by distributing a large amount of absorbent material at the excretion site. This method is effective as an effective use of the absorber when the amount of human waste is small. For adults who produce a large amount of urine, there is a limit to increasing the amount of absorbent at the excretion site. This is because if the amount of absorbent material in the crotch area is increased too much, the diaper wearer will have difficulty moving and will feel uncomfortable. Furthermore, since the absorption rate of the absorber is finite, even if the amount of absorber is locally increased, the increased amount of absorber cannot necessarily be used effectively. Furthermore, if the amount of pulverized pulp in the crotch region is increased too much, the pulp will be compressed, reducing the absorption rate and reducing the overall performance of the absorbent body.

On the other hand, there is no guarantee that an absorbent body placed at a position other than the human waste excretion position will come into contact with human waste. The absorbent material that cannot come into contact with human waste ends up being wasted. There is more waste like this in adult diapers than in baby diapers.

The object of the present invention is to eliminate this waste. That is, the present invention improves the effective use of the absorbent material by devising the shape of the diaper so that the absorbent material placed outside the human waste excretion position can come into contact with human waste as much as possible, and at the same time optimizing the distribution of the absorbent material. The object of the present invention is to economically increase the substantial absorption capacity of diapers and solve the problem of urine leakage in adult disposable diapers.

[0016] However, there is no known method for economically producing large quantities of specially shaped disposable diapers without wasting absorbent material. Conventionally, the shapes of mass-produced diapers have been limited to rectangular or hourglass shapes. The common feature of these shapes suitable for mass production is that the widths of both ends of the diaper are approximately equal.

[0017] For diapers with unequal widths at both ends, such as a T-shape or a battledore shape, if the cutting position of the continuous band is shifted even slightly, the outer shape of the resulting diaper will be completely different from the planned one. . For example, if a T-shaped continuous band is not cut at the boundary between its wide and narrow parts, it will become cross-shaped or H-shaped. Therefore, extremely high processing accuracy is required, making practical production impossible.

Another object of the present invention is to find a method for producing T-shaped or battledore-shaped adult disposable diapers with relatively coarse practical processing precision.

[0019]

OBJECTS OF THE INVENTION The first object of the present invention is to essentially solve the problem of human urine leakage that is unique to adults.

The second object is to provide an adult diaper with high absorbency that reduces the economic burden on bedridden elderly people as much as possible.

Third, it is an object of the present invention to provide a novel adult diaper that allows a caregiver to easily put on, take off, and change diapers.

A fourth object of the present invention is to provide a method for mass-producing battledore-shaped adult disposable diapers with practical processing precision, which is effective as a measure to prevent human urine leakage.

[0023]

[Means for Solving the Problems] The present invention provides a diaper comprising a liquid-permeable top sheet with a battledore-shaped exterior, a liquid-impermeable back sheet with a battledore-shaped exterior, and an absorbent layer containing a cotton-like pulp mat therebetween. The weight of the cotton-like pulp mat included on one wide side of the boundary line that bisects the outer length is 54% of the weight of the cotton-like pulp mat included in the entire diaper.
and 72%, and the average bulk density of the flocculent pulp mat is from 0.05g (per square meter) to 0.05g (per square meter).
It is a disposable adult diaper in the range of 12g (per square meter).

Adult disposable diapers in a broad sense include products with a length of about 30 cm, such as incontinence pads. However, the adult disposable diaper of the present invention is an adult diaper in the narrow sense. Adult disposable diapers in the narrow sense have a length sufficient to cover the wearer's abdomen and buttocks. Typically, its dimensions range from 60 cm to 120 cm in length, depending on the gender, height, and physique of the wearer.

[0025] The liquid-permeable topsheet according to the present invention is usually a nonwoven fabric or porous film made of polyolefin, polyester, rayon, nylon, polyurethane, or a combination thereof.

[0026] Examples of the liquid-impermeable back sheet according to the present invention include films of polyolefin, polyester, rayon, nylon, polyurethane, vinyl chloride, etc., waterproof cloth, and laminate films.

[0027] In the present invention, the external length refers to the length in the direction in which the diaper is applied along the abdomen, groin area, and buttocks. That is, the length direction of the diaper is defined as the height direction. On the other hand, the width direction of the diaper refers to the body width direction.

[0028] A feature of the diaper according to the present invention is that the cotton-like pulp mat contained in one wide part of the boundary line applied to the buttocks has a large weight distribution, and the human waste collected in this part is quickly absorbed. .

If the diaper has a battledore shape, human urine will collect on the wide buttock side. This tendency is especially strong among bedridden elderly people. The diaper of the present invention has more cotton-like pulp in the buttocks to effectively absorb collected human waste and prevent leakage.

[0030] As the absorbent material for diapers, tissue paper, natural pulp, super absorbent polymer, synthetic filament, etc. are usually used. The cotton-like pulp mat according to the present invention is a cotton-like mat made of natural pulp or natural pulp and synthetic single fibers. Its weight distribution is particularly important compared to other absorbents because it has a higher initial absorption rate than other absorbents and has a greater influence on the initial leakage of human waste.

[0031] The weight of the cotton pulp mat included in the wide part side is 54% of the weight of the cotton pulp mat included in the entire diaper.
must be within the range of 72%. If it is less than 54%, human urine flowing into the buttocks cannot be sucked out sufficiently, causing urine leakage. On the other hand, if it exceeds 72%, the flocculent pulp of the buttock will be excessive and will be wasted.

Average bulk density of cotton pulp mat 0.05g
(per square meter) to 0.12g (per square meter). This is because if the average bulk density of the cotton-like pulp mat is less than 0.05 g (per 1 square meter), sufficient capillary force cannot be obtained, making it easier for human waste to leak, and 0.12 g (per 1 square meter)
This is because if it exceeds 100%, the capillary diameter will be too small and the absorption rate of human urine will drop significantly.

[0033] Here, the bulk density of the cotton-like pulp mat means that a 10 cm square cotton-like pulp mat has a thickness of 2 on both sides.
This value is obtained by applying a mm acrylic plate to the flocculent pulp mat, measuring its thickness with a caliper without applying pressure, determining its volume, and dividing the mass by the volume.

[0034] The external width of the wide part is 30cm to 50cm.
Preferably, the length is in the range of 50 cm to 100 cm over the length of m.

[0035] If the wide portion is less than 30 cm in length, it will not be possible to prevent human urine from leaking from the back of most adults. Also, length 5
If it exceeds 0 cm, it will be too long and the diaper constituent materials will be wasted.

[0036] Furthermore, if the width of the wide part is less than 50 cm,
It is difficult for human waste to collect in the buttocks, and if it exceeds 100 cm, it is too wide and wastes the diaper's constituent materials.

[0037] In the diaper of the present invention, the outer shape of the absorbent layer is preferably a battledore shape that is slightly smaller than the outer shape of the liquid-permeable top sheet or the liquid-impermeable back sheet. The permeable top sheet and liquid-impermeable back sheet are bonded together, and the absorbent layer is sealed. When the absorbent layer is shaped like a battledore, the fixation of the absorbent layer is good, and leakage of human waste from the legs and back is reduced.

Furthermore, in the diaper of the present invention, elastic strips of at least 100 mm are preferably provided on both sides of the absorbent layer from the wide part to the narrow part. More preferably, the length of the elastic strip is 200 mm to 400 mm.
Let it be mm. The elastic strips significantly reduce human waste leakage from the legs.

Any known natural rubber, synthetic rubber, polyurethane, etc. can be used as the elastic strip.

Another aspect of the present invention is to provide a cotton-like pulp mat between the liquid-permeable top sheet and the liquid-impermeable back sheet in which the battledore-shaped wide portion and narrow portion are periodically repeated. a continuous band consisting of an absorbent layer containing an absorbent layer, wherein the tangent line of the external connecting line connecting the wide part outline line and the narrow part outline line is at an angle of 70 degrees with respect to the longitudinal center line of the continuous band. corner 8
A continuous band having a part that intersects within a range of 5 degrees and in which the connecting part of the external connecting line and the narrow part external form forms an arc with a radius of 20 mm to 60 mm is cut at the arc part, and a disposable adult diaper is made. This is a method of manufacturing disposable adult diapers.

[0041] In the diaper manufacturing method of the present invention, for example, first, absorbent bodies cut into a certain shape are arranged at regular intervals on a liquid-impermeable back sheet, and then a liquid-permeable top sheet is placed thereon. Overlap. At the same time, the liquid-permeable top sheet and the liquid-impermeable back sheet at the periphery of the absorbent body are bonded to each other by heat sealing, ultrasonic sealing, adhesive, etc., and the absorbent body is sealed. Thereafter, a portion of the side edges of the liquid-permeable top sheet and the liquid-impermeable back sheet are cut off using a rotary die cutter to form a battledore-shaped narrow portion. The side edges that were not cut off with the cutter become a wide battledore-shaped part. The cutoff is made so that the tangent of at least one of the external connecting lines connecting the wide part external line and the narrow part external line intersects with the longitudinal center line of the continuous band at an angle of 70 degrees to 85 degrees. do. The reason why the angle is set from 70 degrees to 85 degrees is because if the angle is less than 70 degrees, a diaper that collects human urine on the buttocks cannot be obtained. Further, if the angle exceeds 85 degrees, high precision is required in the diaper cutting process in the next step of the diaper, making mass production of diapers difficult. Further, the cutoff is made so that the connecting portion between the external connecting line and the narrow part external form an arc with a radius of 20 mm to 60 mm. The radius was changed from 60 mm to 20 mm because if the radius exceeds 60 mm, the diaper obtained in the next step of diaper cutting will be severely deformed from the battledore shape, whereas if the radius is less than 20 mm, it will be too expensive to cut the diaper in the next step. This is because precision is required. After that, the arc portion is cut between each absorbent layer,
Get adult disposable diapers.

[0042] In these steps, it is necessary to avoid applying large pressure to the flocculent pulp mat. Otherwise, the average bulk density of the flocculent pulp mat is 0.12
This is because it may exceed g (per 1 square meter).

[0043]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a view of the battledore-shaped adult disposable diaper 1 of the present invention viewed from the skin side, and FIG. 3 is a view of the same viewed from the outside. This diaper 1 consists of an absorbent body 2, a liquid-permeable sheet 3 made of a nonwoven fabric made of polypropylene, and a liquid-impermeable sheet 4 made of a polyethylene film. The absorbent body 2 consists of two cotton-like pulp mat layers 2a and 2b and a superabsorbent polymer layer 5 sandwiched between these layers. As shown in Figure 2,
The absorbent body 2 is disposed between a liquid-permeable sheet 3 and a liquid-impermeable sheet 4, and its peripheral edge 6 is bonded with hot melt.

[0045] The length of this diaper is 80 cm, the length of the wide part is 40 cm, and the width is 55 cm.

The bulk density of the cotton-like pulp mat 2a is 0.10.
g (per 1 square meter), and the cotton pulp mat 2b is prepared at 0.08 g (per 1 square meter). This preparation can be easily carried out by pressing the flocculent pulp mat with a compression roll.

A dashed-dotted line A in FIG. 3 is a boundary line that bisects the length direction of the outer shape. The cotton-like pulp mat weighs 50 g in one wide part B of this boundary line, and 35 g in the other narrow part.

On the other hand, the weight of the super absorbent polymer contained in the diaper was adjusted to 13 g.

FIG. 4 is a plan view of a diaper of another embodiment of the present invention with elastic stripes. Apart from the elastic strips, this diaper's construction is first-class.
It is the same as the diaper shown in the figure.

[0050] Here, elastic strips 7 with a length of 30 cm are attached to both sides of the diaper from the wide part to the narrow part. Each elastic strip 7 consists of three double-stretched Spantix yarns. These are bonded between the liquid-permeable sheet 3 and the liquid-impermeable sheet 4 by hot melt.

Next, an example of use of this embodiment and a comparative example will be described.

Example 1 Diapers having the configuration shown in FIG. 1 were worn on 24 bedridden elderly people.
A urine leakage test was performed. In all cases, the amount of urine urinated was in the range of 350 to 500 ml. Urinary leakage was observed in 3 out of 24 patients.

Example 2 Diapers with the configuration shown in FIG. 4 were worn on 24 bedridden elderly people.
A urine leakage test was performed. In all cases, the urine volume ranged from 370 to 480 ml. Only 1 out of 24 people leaked human urine.

Comparative Example 1 Length 80 cm, width 45 cm, total weight of cotton pulp mat 8
5g (mat size 70 x 35cm). A rectangular diaper with a uniform weight distribution made of a cotton pulp mat with an average bulk density of 0.095 g (per square meter) and an added weight of super absorbent polymer of 13 g was worn on 24 bedridden elderly people, and a urine leakage test was conducted. I did it. In both cases, the amount of urine urinated was 34
It ranged from 0 to 480 ml. 1 out of 24 people leaked human urine
It was seen by three people.

Next, an example of the manufacturing method of the adult disposable diaper 1 will be described.

First, the pulp is pulverized with a hammer mill to form a flocculent pulp, which is then loaded onto a mesh belt conveyor. Use a blower to vacuum the underside of the mesh belt to reduce the pressure. Furthermore, the edges of the mesh belt are covered with a resin coating. When the edge of the mesh belt is coated with a resin so that the openings of the mesh belt form a continuous battledore band, the stacked pulp mats become a continuous battledore band 2a (FIG. 5) by suction from a blower. In this case, it is preferable to set the radius of the circular arc portion n in FIG. 5 in the range of 30 mm to 70 mm from the viewpoint of safety in the next cutting process. While conveying this using a belt conveyor, a predetermined amount of superabsorbent polymer powder is continuously sprinkled onto the center of the battledore continuous band 2a. Next, the pulp mat continuous band 2b is overlapped on the central part of the battledore continuous band 2a to obtain the absorbent continuous band 2 shown in FIG. 5. Thereafter, this is cut with a rotary cutter at the position of the dashed line K to form a battledore-shaped absorbent body.

Next, the battledore-shaped absorbent bodies 2 are placed intermittently at a constant pitch on the liquid-impermeable sheet 4 on which hot melt has been applied in advance, and then the liquid-permeable sheet is placed on top of the liquid-impermeable sheet 4. 3 are placed one on top of the other, and the peripheral edge of the absorbent body 2 is adhered using a press roll. These operations are carried out continuously on a belt conveyor in a known manner.

[0058] Subsequently, side portion C of the continuous diaper band is cut off using a rotary die cutter. At that time, the cutoff is such that the tangent T of the external connecting line J connecting the wide part outline line and the narrow part outline line is at an angle of 85% with respect to the longitudinal center line L of the continuous diaper belt.
I made it so that they intersect at degrees. Further, the arc radius of the joint N between the external connecting line and the narrow part external line was set to 40 mm. These preparations were carried out by shaping the blade of a rotary die cutter.

[0059] Thereafter, the continuous diaper band was cut with a rotary cutter at the rounded arc portion of the joint N shown by the dashed line in Fig. 6 to obtain the adult disposable diaper of the present invention.

[0060]

Effects of the Invention As detailed above, the diaper of the present invention has the following advantages.

Bedridden elderly people who do not change their diapers frequently, patients receiving intravenous fluids, etc. produce a large amount of human urine, and the human waste does not remain at the source of excretion, but spreads and flows widely. By placing the wide part of the battledore-shaped diaper against the buttocks and wrapping it around the waist, the flow can be controlled to be guided to the buttocks.

Since the diaper of the present invention has a battledore shape, human waste collects on the buttocks. In addition, the absorbent material in the buttocks, especially cotton-like pulp mats with a high initial absorption rate, is often distributed, so even if the excretion rate of human waste is high, it can be absorbed quickly.
No human waste leaks outside.

Furthermore, the diaper of the present invention can be manufactured at low cost since there is little wastage of the absorbent material, thereby reducing the economic burden on the elderly.

Furthermore, the diaper of the present invention only needs to be used once, and the frequency of changing the diaper can be reduced. As a result, it contributes to reducing the labor of caregivers.

[0065] The diaper of the present invention does not necessarily need to be used together with a diaper cover. However, when used in conjunction with a diaper cover, a diaper having the external dimensions of the preferred embodiment of the present invention fits well into a conventional diaper cover, and the diaper cover can be easily set.

Furthermore, the diaper manufacturing method of the present invention is easy to process and suitable for mass production. As a result, we will be able to supply inexpensive, high-performance adult disposable diapers, greatly contributing to geriatric medical care and welfare.

Furthermore, the machine used in the diaper manufacturing method of the present invention can produce hourglass-shaped diapers by changing the cutting position so that the final diaper is cut at the center of the wide part of the battledore-shaped continuous band. It can be manufactured. In other words, the diaper of the present invention can be manufactured using certain hourglass diaper manufacturing machines. That is, the diaper manufacturing method of the present invention has advantages in terms of investment in machinery and equipment, and greatly contributes to the development of industry.

[Brief explanation of the drawing]

FIG. 1 is a diagram of an adult disposable diaper seen from the skin side.

FIG. 2 is a cross-sectional view taken along line XX in FIG. 1;

FIG. 3 is a view of the adult disposable diaper seen from the outside.

FIG. 4 is a view of an adult disposable diaper with elastic stripes as seen from the skin side.

FIG. 5 is a diagram showing the manufacturing process of the absorber.

FIG. 6 is a diagram showing the manufacturing process of an adult disposable diaper.

FIG. 7 is a diagram of a combination of an adult disposable diaper and a diaper cover.

[Explanation of symbols]

1 Adult disposable diapers 2 Absorber 3. Liquid permeable sheet 4 Liquid-impermeable sheet 5. Super absorbent polymer 7 Elastic strip B Buttock side area F Abdominal region C Cut part N Arc part

Claims (5)

[Claims] Claim 1: A diaper comprising a liquid-permeable top sheet with a battledore-shaped exterior, a liquid-impermeable back sheet with a battledore-shaped exterior, and an absorbent layer containing a cotton-like pulp mat therebetween, the diaper comprising: a liquid-permeable top sheet with a battledore-shaped exterior; The weight of the cotton-like pulp mat contained on one wide side of the boundary line that bisects the diaper is in the range of 54% to 72% of the weight of the cotton-like pulp mat contained in the entire diaper, and the cotton-like pulp mat is The average bulk density of
A disposable diaper for adults, characterized in that the amount is in the range of 0.12 g (per 1 square meter) to 0.12 g (per 1 square meter). 2. The adult disposable diaper according to claim 1, wherein the external width on one wide side of the boundary line is 50 cm over a length direction of 30 cm to 50 cm.
An adult disposable diaper characterized by having a diameter in the range of 100 cm to 100 cm. 3. The adult disposable diaper according to claim 1, characterized in that the outer shape of the absorbent layer is a battledore shape that is slightly smaller than the liquid-permeable top sheet or the liquid-impermeable back sheet. Disposable diapers for adults. 4. The adult disposable diaper according to claim 1, wherein the absorbent body has a length of at least 100 mm on both sides of the absorbent body from one wide part to the other narrow part of the boundary line.
A disposable diaper for adults characterized by having elastic strips of mm. 5. A diaper comprising a liquid-permeable top sheet with a battledore-shaped exterior, a liquid-impermeable back sheet with a battledore-shaped exterior, and an absorbent layer containing a cotton-like pulp mat therebetween, the diaper comprising: a liquid-permeable top sheet with a battledore-shaped exterior; The weight of the cotton-like pulp mat contained on one wide side of the boundary line that bisects the diaper is in the range of 54% to 72% of the absorbent weight contained in the entire diaper, and
In a method for producing an adult disposable diaper, the average bulk density of the cotton-like pulp mat is in the range of 0.05 g (per 1 square meter) to 0.12 g (per 1 square meter),
A continuous band consisting of a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent layer containing a cotton-like pulp mat between them, in which wide and narrow portions of the battledore shape are periodically repeated, A tangent to the external connection line connecting the wide part external line and the narrow part external line intersects at an angle of 70 degrees to 85 degrees with respect to the center line along the length direction of the continuous band, The radius of the connecting part between the outer shape connecting line and the narrower outer shape is 60 mm to 20 mm.
1. A method for manufacturing a disposable adult diaper, which comprises obtaining a disposable adult diaper by cutting a continuous band forming an arc in the range of mm at the arc portion.