WO2022130186A1

WO2022130186A1 - Hook laminated body, hook member and diaper

Info

Publication number: WO2022130186A1
Application number: PCT/IB2021/061670
Authority: WO
Inventors: Kenichiro Morishita; Kazuhiro Aihara; Hiroyasu Nagata
Original assignee: 3M Innovative Properties Company
Priority date: 2020-12-15
Filing date: 2021-12-13
Publication date: 2022-06-23
Also published as: JP2023164774A; CN218279971U

Abstract

To provide a hook laminated body, a hook member, and a diaper capable of enlarging a scene in which visual information can be visually recognized. A hook laminated body is a hook laminated body that is overlapped with a target object to be joined with the target object, the hook laminated body including a hook member having a base portion and a hook portion protruding from one main surface of the base portion, and a base material laminated on the other main surface of the base portion of the hook member, where an ink layer is formed between the base portion and the base material.

Description

HOOK LAMINATED BODY, HOOK MEMBER AND DIAPER

Technical Field

The present invention relates to a hook laminated body, a hook member, and a diaper.

Background

As a known hook laminated body, a hook laminated body described in Patent Literature 1 is known. The hook laminated body is attached to the diaper and is overlapped with a portion of the diaper to be joined to such a portion. When the hook laminated body is joined to a portion of the diaper by way of a hook portion, the observer can visually recognize, from the outside, predetermined visual information from the hook laminated body.

Summary

Technical Problem

Here, in a case where a hook laminated body is used, it is sometimes required to make predetermined visual information visually recognizable to an observer in various scenes. That is, it is required to transmit predetermined visual information using the hook laminated body even in a scene other than the scene where the hook laminated body is joined to a target object such as a diaper.

Accordingly, an object of the present invention is to provide a hook laminated body, a hook member, and a diaper capable of enlarging a scene in which visual information can be visually recognized.

Solution to Problem

A hook laminated body according to one aspect of the present invention relates to a hook laminated body that is overlapped with a target object to be joined with the target object, the hook laminated body including a hook member having a base portion and a hook portion protruding from one main surface of the base portion, and a base material laminated on the other main surface of the base portion of the hook member, where an ink layer is formed between the base portion and the base material.

A hook member according to one aspect of the present invention relates to a hook member that is overlapped with a target object to be joined with the target object, the hook member having a base portion and a hook portion protruding from one main surface of the base portion, where an ink layer is formed on the other main surface of the base portion.

A diaper according to one aspect of the present invention includes the hook laminated body described above or the hook member described above.

Advantageous Effects of Invention

According to the present invention, a hook laminated body, a hook member, and a diaper capable of enlarging a scene in which visual information can be visually recognized are provided.

Brief Description of the Drawings

FIG. 1 is a perspective view illustrating a diaper adopting a hook laminated body according to an embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view of a hook laminated body.

FIG. 3 is an enlarged cross-sectional view of the hook laminated body.

FIG. 4(a) is a photograph of a sample having the structure of the hook laminated body according to FIG. 2 when viewed from a hook portion side, and FIG. 4(b) is a photograph of a sample having the structure of the hook laminated body according to FIG. 3 when viewed from the hook portion side.

FIG. 5 is a view illustrating an example of a work procedure when disposing the diaper.

FIG. 6 is a view illustrating an example of a work procedure when disposing the diaper.

FIG. 7 is a view illustrating a hook laminated body and a diaper according

a modified example.

FIG. 8 is a view illustrating a hook laminated body and a diaper according to a modified example.

FIG. 9 is a view illustrating a hook laminated body and a diaper according

a modified example.

FIG. 10 is a view illustrating a hook laminated body and a diaper according to a modified example.

Detailed Description

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. l is a perspective view illustrating a diaper 1 adopting a hook laminated body according to the present embodiment. The diaper l is a member that covers a crotch portion of a wearer from an abdominal side to a back side with a sheet-like main body 2. This allows the diaper 1 to absorb a target object discharged from the crotch portion of the wearer and prevent leakage of the target object. Note that the target object of the diaper 1 is a moisture, a solid, and a semi-solid, and examples thereof include urine and feces.

A main body 2 of the diaper includes a back sheet, a liquid-permeable top sheet laminated on an inner side of the back sheet, and an absorbent layer including a liquid- absorptive polymer absorber accommodated between the back sheet and the top sheet. The main body 2 includes an abdominal side edge 11, a back side edge 12, a pair of crotch side edges 13A and 13B, and an absorbing region 14. The abdominal side edge 11 is a stripshaped portion located on an abdominal side of the wearer. The back side edge 12 is a stripshaped portion located on the back side of the wearer. Since the diaper 1 of the present embodiment is an open-type diaper, the abdominal side edge 11 and the back side edge 12 are separated from each other. Hook laminated bodies 50A, 50B according to the present embodiment are respectively provided at ends 12a and 12b on lateral sides of the back side edge 12. The hook laminated body 50A is bonded to a region near an end 1 la on a lateral side of the abdominal side edge 11. The hook laminated body 50B is bonded to a region near an end 1 lb on a lateral side of the abdominal side edge 11.

When a wearer wears the diaper 1, the abdominal side edge 11 is wound around a part on the abdominal side of the wearer, the back side edge 12 is wound around a part on the back side of the wearer, and the abdominal side edge 11 and the back side edge 12 are fixed by way of the hook laminated bodies 50A, 50B. The crotch side edges 13A and 13B are the edges extending between the abdominal side edge 11 and the back side edge 12. The crotch side edges 13 A and 13B are arranged near the legs near the wearer's crotch portion. The crotch side edges 13 A and 13B are processed to be stretchable.

Next, the hook laminated body 50 will be described with reference to FIG. 2. Note that when referred to as “hook laminated body 50”, the hook laminated body 50A and the hook laminated body 50B will be described without distinction. FIG. 2 is an enlarged cross- sectional view of the hook laminated body 50.

The hook laminated body 50 is a laminated body that is overlapped on a target object to be joined to the target object. When the hook laminated body 50 is applied to the diaper 1, the target object becomes the surface of the main body 2 of the diaper 1, that is, the back sheet, the top sheet, and the like. These target objects are nonwoven fabrics and the like. The hook laminated body 50 includes a hook member 51 and a base material 54. In other words, the hook laminated body 50 is a laminated body formed by laminating the hook member 51 and the base material 54.

The hook member 51 is a member that is overlapped on a target object to be joined to the target object. The hook member 51 includes a base portion 52 and a hook portion 53. Note that the base portion 52 and the hook portion 53 may be integrally formed from the same material. Materials for the hook member 51 include, for example, polyolefin homopolymers such as polyethylene and polypropylene, copolymers of ethylene, propylene, and/or butylene, copolymers containing ethylene such as ethylene vinyl acetate and ethylene acrylate, poly (ethylene terephthalate); polyester such as polyethylene butyrate and polyethylene naphthalate, polyamides such as poly (hexamethylene adipamide), polyurethanes, polycarbonates, poly (vinyl alcohol), ketones such as polyetheretherketone, polyphenylene sulfides, and mixtures thereof. Typically, that which is made of polyolefin (e.g., polyethylene, polypropylene, polybutylene, ethylene copolymers, propylene copolymers, butylene copolymers, and copolymers and blends of these materials) may be adopted. Additionally, the hook member 51 is preferably a color with which visual information from an ink layer, to be described later, can be easily visually recognized. Note that the designability can be improved by combining the color of the hook member 51 and the color of the ink layer.

The base portion 52 is a sheet-like member that becomes a base material of the hook member 51. The base portion 52 has a main surface 52a and a main surface 52b on an opposite side. The thickness of the base portion 52 is not particularly limited, but may be set from 25 and 400 pm, and more preferably from 50 and 250 pm. Sufficient strength in utilizing the hook member 51 can be ensured by setting the thickness of the base portion 52 to be greater than or equal to the lower limit value. In addition, by making the thickness of the base portion 52 less than or equal to the upper limit value, the bending easiness of the hook member 51 can be ensured, and visual information from the ink layer, described later, can be easily visually recognized.

The hook portion 53 is a member protruding from one main surface 52a of the base portion 52. When the joining target object is nonwoven fabric, for example, the hook portion 53 can be joined to the nonwoven fabric by entering between and engaging the fibers. Note that while omitted in FIG. 2, a hook shape for engaging with a target object is formed at the distal end of the hook portion 53. The density of the hook portion 53 may be set from 1 pin/mm² and 50 pin/mm², and more preferably from 2 and 20 pin/mm². The height of the hook portion 53 may be set from 50 pm and 500 pm.

The base material 54 is a member laminated on the other main surface 52b of the base portion 52 of the hook member 51. The base material 54 is a sheet-like member that spreads over the base portion 52. The base material 54 may be formed from materials such as, for example, nonwoven fabrics, cloths, knitted fabrics, textile fabrics, satin fabrics, gauze, raised fabrics, films, composites thereof, and the like. The thickness of the base portion 52 is not particularly limited, but may be set from 25 and 400 pm, and more preferably from 50 and 250 pm. The base material 54 is bonded to the main surface 52b of the base portion 52 by the bonding layer 56. The bonding layer 56 may be constituted by, for example, an adhesive, an adhesive layer such as an adhesive, and furthermore, a molten layer formed by ultrasonic fusing, heat fusing, or the like, a fitting layer formed by mechanical bonding such as embossing, or a combination thereof. The thickness of the bonding layer 56 is not particularly limited, but may be set to greater than or equal to 0 pm and less than or equal to 1000 pm, less than or equal to 500 pm, and more preferably less than or equal to 300 pm.

An ink layer 57 is formed between base portion 52 and the base material 54. The ink layer 57 is a layer that forms visual information that can be visually recognized such as characters, symbols, graphics, patterns, and the like. The visual information formed by the ink layer 57 can be visually recognized from the outside of the hook laminated body 50 through the hook member 51. The observer can visually recognize the visual information from the ink layer 57 from the main surface 52a side of the base portion 52.

In the example shown in FIG. 1, the ink layer 57 is formed on the other main surface 52b of base portion 52. That is, the ink layer 57 is disposed directly on the main surface 52b of the base portion 52. The ink layer 57 is formed by printing ink on the main surface 52b of the base portion 52. The thickness of the ink layer 57 is not particularly limited, but is set to be thinner than the thickness of the bonding layer 56. When the ink layer 57 is formed directly on the base portion 52, the visual information from the ink layer 57 when viewed from the hook portion 53 side can be clearly confirmed, as shown in the photograph of FIG. 4(a).

Note that the ink layer 57 merely needs to be formed between the base portion 52 and the base material 54, and there how it is formed is not particular limited. For example, as illustrated in FIG. 3, the ink layer 57 may be formed on the surface of the base material 54. However, in this case, the visual information from the ink layer 57 is visually recognized through the bonding layer 56, and therefore, as shown in FIG. 4(b), the visibility is reduced compared to FIG. 4(a).

The ink type of the ink layer 57 is not particularly limited. As the ink for the ink layer 57, a typical ink that merely exhibits color may be used, or an ink having special function may be used. For example, the ink layer 57 may be formed by a temperature sensitive ink that changes color with temperature. Alternatively, the ink layer 57 may be formed by a pressure sensitive ink that changes color with pressure.

Next, what type of visual information the ink layer 57 displays will be described.

The ink layer 57 may display information to be visually recognized by the worker when putting the diaper 1 on the wearer. For example, the ink layer 57 may display visual information useful for the work of putting the diaper 1 when the worker views the hook member 51 from the hook portion 53 side. Alternatively, the ink layer 57 may also display information to be visually recognized by the worker when the wearer removes the diaper. For example, work content, precautions, and the like may be displayed on the hook laminated body 50 when putting or removing the diaper 1.

For example, the ink layer 57 may display visual information useful for disposal of the diaper 1 when removing the diaper 1. For example, in FIG. 5, “B” and “A” are displayed on the hook surface 50a of the hook laminated bodies 50A, 50B as a mark for guiding the operation at the time of disposal. In other words, when the main body 2 of the diaper 1 is rolled up (FIG. 5(a)), the “B”, “A” provided on the main body 2 can be visually recognized (FIG. 5(b)). The worker spreads out the hook laminated bodies 50A, 50B (FIG. 5(c)), and joins the marks so that the mark described on the hook surface 50a matches the mark of the main body 2 (FIG. 5(d)). As a result, the used diaper 1 can be rolled up and secured with the hook laminated bodies 50A, 50B.

Alternatively, visual information useful for the work of overlapping the back side edge 12 at the time of disposal of the diaper 1 may be displayed. For example, in FIG. 6, “Q” and “P” are displayed on the hook surface 50a of the hook laminated bodies 50A, 50B as a mark for guiding the operation at the time of disposal (FIG. 6(a)). In addition, the rolled- up main body 2 is also marked with “P”, “Q” (FIG. 6(a)), and the back side edge 12 is also marked with “Q”, “P” (FIG. 6(b)). The hook laminated body 50B with the mark “P” is joined to match the mark “P” of the main body 2 (FIG. 6(c)). Then, the hook laminated body 50A having the mark “Q” is matched and joined to the mark “Q” mark of the back side edge 12 near the joined hook laminated body 50B (FIG. 6(d)). As a result, the used diaper 1 can be rolled up and secured with the hook laminated bodies 50A, 50B.

Furthermore, the ink layer 57 may display visual information that enhances entertainment when putting or removing the diaper 1 on and from the wearer. As visual information that enhances entertainment, the following may be adopted. For example, gamin properties such as lottery may be provided by displaying a pattern that appears very rarely in one of a plurality of diapers 1. In addition, by randomly appearing words different from each other in the left and right hook laminated bodies 50A, 50B, visual information that allows for a verbal game with the left and right may be displayed. Additionally, cartoon images and the like may be displayed.

The ink layer 57 may display visual information that enhances designability when putting or removing the diaper 1 on and from the wearer. As the visual information that enhances designability, the following may be adopted. For example, a first print surface formed by the ink layer 57 and a second print surface of the diaper 1 adjacent to the hook laminated body 50 in the diaper 1 may be joined to configure a design pattern. In addition, the hook laminated body 50 includes a bonding region E2 bonded to the main body 2 of the diaper 1, and a protruding region El protruding from the main body 2 of the diaper 1 (see FIG. 7). The design pattern formed by the ink layer 57 in the protruding region El of the hook laminated body 50 and the design pattern of the portion adjacent to the protruding region El in the diaper 1 may be joined with each other to configure the design pattern. Note that the bonding region E2 of the hook laminated body 50 may be bonded so as to be embedded in the sheet material constituting the main body 2 of the diaper 1, or may be bonded to the surface of the sheet material so as to be exposed from the sheet material. When the bonding region E2 is embedded in the main body 2 of the diaper 1, the second print surface F2 may be constituted by the surface of the sheet material of the diaper 1, or may be the bonding region E2 of the hook laminated body 50. When the bonding region E2 is the second print surface F2, the design pattern can be seen through the sheet material of the diaper 1. When the bonding region E2 is bonded to the surface of the sheet material so as to be exposed from the sheet material of the diaper 1, the bonding region E2 serves as the second print surface F2.

For example, a structure illustrated in FIG. 7 may be adopted. As illustrated in FIG. 7(a), the hook laminated body 50 has the first print surface Fl formed by the ink layer 57, and the second print surface F2 of the diaper 1 adjacent to the hook laminated body 50 in the diaper 1 joined to form a design pattern of a penguin. The region of the design pattern of the second print surface F2 is the same region as the bonding region E2. As shown in FIG. 7(b), the design pattern becomes a design pattern in which the penguin appears as if bowing when the hook laminated body 50 is bent between the protruding region El and the bonding region E2. Note that the design pattern is not particularly limited, and may be a design pattern of another animal or person who bows.

For example, a structure illustrated in FIG. 8 may be adopted. In FIG. 8, the second print surface F2 of the main body 2 of the diaper l is a surface 2b (a surface exposed to the outside when mounted) on the side opposite to the surface 2a on the side on which the first print surface Fl of the hook laminated body 50 is visually recognized. Specifically, as illustrated in FIG. 8(a), on the surface 2b on the outer side of the main body 2, a design pattern of a bear’s body is drawn on the back side of the user, and a design pattern of long arm extending toward the abdominal side is drawn. As shown in FIG. 8(b), a design pattern of the bear’s palm is drawn on the first print surface Fl of the protruding region El of the hook laminated body 50. Note that the protruding region El of the hook laminated body 50 itself is also formed to the shape of the bear’s hand. In contrast, as illustrated in FIG. 8(c), a design pattern of the back of the hand of the bear (colored to the color of the back of the hand of the bear) is drawn on a third print surface F3 on the back side of the first print surface Fl of the hook laminated body 50. Furthermore, a design pattern of the bear’s arm is drawn in a form of continuing to the design pattern of the first print surface Fl and the design pattern of the third print surface F3 in the second print surface F2 of the diaper 1 adjacent the hook laminated body 50. In other words, the design pattern formed by the ink layer 57 in the protruding region El of the hook laminated body 50 and the design pattern on the portion adjacent to the protruding region El in the diaper 1 are formed on opposite surfaces, but may be joined to each other to configure the design pattern. Thus, a design pattern in which a bear is extending the arms toward the abdomen and carrying the abdomen with the palm of the hand is completed. Note that the design pattern is not particularly limited, and may be design patterns in which other animals or people are extending their arms.

For example, a structure illustrated in FIG. 9 may be adopted. Figs. 9(a) and 9(b) illustrate the diaper 1 with the design pattern drawn, and Figs. 9(c) and 9(d) illustrate the diaper 1 before the design pattern is drawn. As shown in FIG. 9(a), prior to use of the diaper 1, a design pattern is drawn such that the entire diaper 1 appears like the face of a cow. A design pattern of the horns of the cow is drawn on the first print surface Fl of the protruding region El of the hook laminated body 50. In the surface 2a on the side on which the first print surface Fl of the hook laminated body 50 is visually recognized, the design pattern of the base of the horn is drawn on the second print surface F2 adjacent to the protruding region El of the hook laminated body 50. Furthermore, as illustrated in FIG. 9(b), a design pattern is drawn so as to appear like the pattern of the cow’s body in a state in which the diaper 1 is rolled up for disposal after the diaper 1 is used. At this time, a design pattern of a pattern of a cow’s body is drawn on the third print surface F3 on the back side of the first print surface Fl of the hook laminated body 50.

Furthermore, a structure illustrated in FIG. 10 may be adopted. In FIG. 10, a structure is provided that completes the design pattern of a transformation (henshin) belt by fastening the diaper 1 with the hook laminated body 50. As shown in FIG. 10(a), a design pattern indicating the letters “hen” and “shin” is depicted on the first print surface Fl of the protruding region El of the hook laminated body 50. A design pattern of the front side of the transformation belt is drawn at a position corresponding to the abdomen of the main body 2 of the diaper 1. As illustrated in FIG. 10(b), a design pattern of a part of the belt portion of the transformation belt is drawn on the third print surface F3 on the back side of the first print surface Fl of the hook laminated body 50. By fastening the hook laminated body 50 to the main body 2 of the diaper 1, it is joined with the design pattern on the front side of the main body 2, thus completing the design pattern of the transformation belt.

Next, the operation and effect of the hook laminated body 50 according to the present embodiment will be described.

A hook laminated body 50 according to the present embodiment is a hook laminated body 50 that is overlapped with a target object to be joined with the target object, the hook laminated body including a hook member 51 having a base portion 52 and a hook portion 53 protruding from one main surface 52a of the base portion 52, and a base material 54 laminated on the other main surface 52b of the base portion 52 of the hook member 51, where an ink layer 57 is formed between the base portion 52 and the base material 54.

According to this hook laminated body 50, the ink layer 57 is formed between the base portion 52 and the base material 54. That is, the user can visually recognize the ink layer 57 seen through the hook member 51 from the opposite side of the base material 54, that is, from the main surface 52a on which the hook portion 53 is formed. Therefore, predetermined visual information can be displayed from the surface on the hook portion 53 side of the hook laminated body 50 by forming characters, symbols, graphics, patterns, and the like by the ink layer 57. Therefore, predetermined visual information can be transmitted using the hook laminated body 50 even in a scene other than the scene where the hook laminated body 50 is joined to a target object such as a diaper 1. Accordingly, a scene where visual information of the hook laminated body 50 can be visually recognized can be enlarged.

The ink layer 57 may be formed on the other main surface 52b of the base portion 52. In this case, the ink layer 57 can be visually recognized without passing through the bonding layer 56, and thus the visibility of the visual information by the ink layer 57 enhances.

The density of the hook portion may be set from 1 pin/mm² and 50 pin/mm². In this case, appropriate joining force can be exhibited when the target object is the diaper 1.

The ink layer 57 may display information to be visually recognized by the worker when putting the diaper 1 on the wearer. This allows visual information useful to the worker to be formed by the ink layer 57.

The ink layer 57 may display information to be visually recognized by the worker when the worker removes the diaper 1 from the wearer. This allows visual information useful to the worker to be formed by the ink layer 57.

The ink layer 57 may be formed by a temperature sensitive ink that changes color with temperature. Additionally, the ink layer 57 may be formed by a pressure sensitive ink that changes color with pressure. This may increase the variation of the scene in which the ink layer 57 can display visual information. A hook member 51 according to the present embodiment is a hook member 51 that is overlapped with a target object to be joined with the target object, the hook member having a base portion 52 and a hook portion 53 protruding from one main surface 52a of the base portion 52, where an ink layer 57 is formed on the other main surface 52b of the base portion 52.

A diaper 1 according to the present embodiment includes the hook laminated body 50 described above, or the hook member 51 described above.

According to the hook member 51 and the diaper 1, the operations and effects of the same purpose as those of the hook laminated body 50 described above can be obtained.

The first print surface Fl formed by the ink layer 57 and the second print surface F2 of the diaper 1 adjacent to the hook laminated body 50 in the diaper 1 may be joined to configure a design pattern. In this case, the design pattern of the ink layer 57 of the hook laminated body 50 according to the present embodiment and the design pattern on the diaper

1 side may be combined to enhance designability and entertainment of the diaper 1.

The hook laminated body 50 includes a bonding region E2 bonded to the main body

2 of the diaper 1, and a protruding region El protruding from the main body 2 of the diaper 1, where a design pattern formed by the ink layer 57 in the protruding region El of the hook laminated body 50 and a design pattern of the portion adjacent to the protruding region El in the diaper 1 may be joined to each other to configure a design pattern. In this case, the design pattern of the ink layer 57 of the hook laminated body 50 according to the present embodiment and the design pattern on the diaper 1 side may be combined to enhance designability and entertainment of the diaper 1.

The present invention is not intended to be limited to the embodiment described above.

For example, the target to which the hook laminated body is applied is not limited to a diaper, and can be appropriately adopted as long as the bonding with the target object is performed using the hook laminated body. For example, the hook laminated body may be employed in products such as clothing, bags, etc., other headrest covers, and the like.

Reference Signs List

1 diaper, 50 hook laminated body, 51 hook member, 52 base portion, 53 hook portion, 54 base material, 57 ink layer.

Claims

What is claimed is:

1. A hook laminated body that is overlapped with a target obj ect to be j oined to the target object, the hook laminated body comprising: a hook member including a base portion and a hook portion protruding from one main surface of the base portion; and a base material laminated on the other main surface of the base portion of the hook member; wherein an ink layer is formed between the base portion and the base material.

2. The hook laminated body according to claim 1, wherein the ink layer is formed on the other main surface of the base portion.

3. The hook laminated body according to claim 1 or 2, wherein the density of the hook portion is from 1 pin/mm² and 50 pin/mm².

4. The hook laminated body according to any one of claims 1 to 3, wherein the ink layer displays information to be visually recognized by a worker when putting a diaper on a wearer.

5. The hook laminated body according to any one of claims 1 to 4, wherein the ink layer displays information to be visually recognized by a worker when removing the diaper from a wearer.

6. The hook laminated body according to any one of claims 1 to 5, wherein the ink layer is formed by a temperature sensitive ink that changes color with temperature.

7. The hook laminated body according to any one of claims 1 to 5, wherein the ink layer is formed by a pressure sensitive ink that changes color with pressure.

8. A hook member that is overlapped on a target object to be joined to the target object, the hook member comprising: a base portion; and a hook portion protruding from one main surface of the base portion; wherein an ink layer is formed on other main surface of the base portion.

9. A diaper comprising the hook laminated body described in any one of claims 1 to

7 or the hook member described in claim 8.

10. The diaper according to claim 9, wherein a first print surface formed by the ink layer and a second print surface of the diaper adjacent to the hook laminated body in the diaper are j oined to configure a design pattern.

11. The diaper according to claim 9 or 10, wherein the hook laminated body includes a bonding region bonded to a main body of the diaper and a protruding region protruding from the main body of the diaper; and a design pattern formed by the ink layer in the protruding region of the hook laminated body and a design pattern of a portion adjacent to the protruding region in the diaper are joined to each other to configure a design pattern.