JP5145015B2 - Absorbent articles - Google Patents

Description

  The present invention relates to an absorbent article.

2. Description of the Related Art Conventionally, absorbent articles such as disposable paper diapers, urine pads, and sanitary napkins are known in which an absorber is interposed between a top sheet and a back sheet. For example, by wearing a paper diaper on the lower abdomen, body fluid such as urine discharged due to incontinence can be absorbed by the absorbent body provided in the paper diaper.
Among such absorbent articles, one in which a part of the absorbent article is three-dimensionally picked to form a knob portion is known (for example, see Patent Document 1).
JP 2007-98037 A

  However, in the case of the said patent document 1, a three-dimensional knob | pick part becomes a mark which shows the center position at the time of mounting | wearing a human body with an absorbent article, and is for preventing the mounting | wearing deviation of the absorbent article. By properly wearing the absorbent article, it was possible to prevent leakage of bodily fluids, but it was not possible to improve the fit to the human body and the feeling of wearing.

  The objective of this invention is providing the absorbent article which can improve the fitting property to a human body, and a feeling of mounting | wearing.

In order to solve the above problems, the invention described in claim 1
A liquid-permeable top sheet, a liquid-impervious back sheet, and an absorbent body interposed between the top sheet and the back sheet, and the crotch portion of the human body from the ventral side to the back side Absorbent so that a ventral part is formed at one end, a dorsal part is formed at the other end, and a crotch is formed between the ventral part and the dorsal part so as to cover In goods,
A plurality of inner knobs which are convex on the skin contact surface side by being picked on the top sheet side, and a plurality of outer knobs on which the rear sheet side is convex and convex on the outer surface side,
At least two of the plurality of outer knobs at the apex on the ventral side of the generally inverted triangle or trapezoid with the ventral side up, and at least of the plurality of inner knobs at the apex on the dorsal side By arranging one pair or two, a three-dimensional shape along a predetermined position of the wearer's human body is formed.

The invention according to claim 2 is the absorbent article according to claim 1,
The inner knob is formed so as to bend the entire absorbent article from the top sheet side, and the outer knob is picked so as to bend the entire absorbent article from the back sheet side. It is characterized by being formed.

The invention according to claim 3 is the absorbent article according to claim 1 or 2,
The inner knob part is bonded on the opposite surface side where the top sheet side is picked, and the outer knob part is bonded on the opposite surface side where the back sheet side is picked.

Invention of Claim 4 is an absorbent article as described in any one of Claims 1-3,
The said three-dimensional shape is formed in the position which accommodates the male genitalia of the wearer who wears the said absorbent article.

According to the present invention, the absorbent article is a three-dimensional shape formed by the inner knob portion and the outer knob portion, and has a three-dimensional shape along a predetermined position of the wearer's human body wearing the absorbent article. Therefore, the three-dimensional shape is fitted along the bulge and dent of the human body wearing this absorbent article, and comes to fit. And by forming such a three-dimensional shape in an absorbent article, the fitting property of the absorbent article to the human body can be improved, and the wearing feeling can be improved.
In particular, the inner knob part and the outer knob part of the absorbent article are formed so as to bend and bend into a convex shape by picking the top sheet and the back sheet constituting the absorbent article, and the inner knob part and the outer knob part. The three-dimensional shape made of is easy to bend along the inner and outer knobs and the folds corresponding to them, and bends along the folds etc. when wearing absorbent articles It is easy to deform in response to the swelling and dent of the human body. Therefore, the absorbent article can be easily attached to the human body, and the fit of the absorbent article to the human body is improved. In addition, the absorbent article can be fitted well to the human body to prevent body fluid leakage.

Hereinafter, embodiments of the present invention will be described with reference to FIGS.
In the present embodiment, as an absorbent article, an inner pad used inside a disposable paper diaper or the like will be described as an example.

  FIG. 1 is a perspective view of an inner surface side of an inner pad that is an absorbent article in the present embodiment, and FIG. 2 is a perspective view of an outer surface side of the inner pad. 3A is a cross-sectional view taken along the line AA in FIG. 1, and FIG. 3B is a cross-sectional view taken along the line BB in FIG.

As shown in FIGS. 1 to 3, the inner pad 1 is provided on the contact surface side with the human body, and is opposite to the contact surface with the liquid-permeable surface sheet 10 that quickly transmits body fluid such as urine. A liquid-impermeable back sheet 11 provided on the side, an absorbent body 12 interposed between the top sheet 10 and the back sheet 11, and the like are provided.
Moreover, in this inner pad 1, the abdomen side part 13 is formed in one end part, and the back side part 14 is formed in the other end part so that the crotch part of a human body may be covered from the abdomen side to the back side. Yes. Further, a crotch portion 15 is formed between the abdominal side portion 13 and the back side portion 14.
A plurality (for example, two) of inner knobs 16 and a plurality of (for example, three) outer knobs 17 are provided from the crotch 15 to the ventral side 13 of the inner pad 1. The inner knob portion 16 and the outer knob portion 17 form a mounting portion 20 that has a three-dimensional shape along the human body of the wearer wearing the inner pad 1.

The top sheet 10 is formed of a perforated or non-porous nonwoven fabric, a porous plastic sheet, or the like. As the raw material fibers constituting the nonwoven fabric, synthetic fibers such as polyethylene or polypropylene such as olefin, polyester and polyamide, recycled fibers such as rayon and cupra, and natural fibers such as cotton can be used. In addition, as a method for producing the nonwoven fabric, a known method can be appropriately used. For example, the nonwoven fabric is obtained by a spunlace method, a spunbond method, a thermal bond method, a melt blow method, a needle punch method, or a combination of these methods. Can be manufactured.
When a large number of through-holes are formed in the top sheet 10, the body fluid is absorbed more quickly, and the dry touch properties are excellent.

The back sheet 11 is formed of a sheet material having at least water shielding properties such as polyethylene. In addition, it is preferable that the sheet material has moisture permeability from the viewpoint of preventing stuffiness, and as the sheet material having the water barrier property and moisture permeability, an inorganic filler is melt-kneaded in an olefin resin such as polyethylene or polypropylene. Then, after forming the sheet, a microporous sheet material obtained by stretching in a uniaxial or biaxial direction is suitably used.
And as shown in FIG. 3, the edge part of the width direction of this back surface sheet 11 is each turned | folded toward the inner side of the back surface sheet 11, and the top sheet 10 is inserted | pinched. An adhesive layer (not shown) made of an adhesive such as hot melt is provided at a portion where the back sheet 11 is folded, and the folded back sheet 11 and the top sheet 10 are bonded.

The absorbent body 12 absorbs water-like components such as urine as a body fluid when the inner pad 1 is used. The absorbent body 12 absorbs absorbent materials such as cotton and pulp, super absorbent polymer (SAP), It is formed by combining with a sheet-like substrate such as fiber or film.
The absorbent body 12 is formed in a length extending from the abdomen side 13 side to the back side part 14 side of the inner pad 1, and the center side in the longitudinal direction of the absorbent body 12 is narrower than the width of both end portions of the absorbent body 12. Is formed. That is, the portion corresponding to the crotch portion 15 that is the substantially central portion of the absorbent body 12 is formed to be narrower than the portions corresponding to the ventral side portion 13 and the back side portion 14 that are both end portions of the absorbent body 12, It has an hourglass-like shape.
By forming the width of the portion corresponding to the crotch part 15 which is substantially the center part of the absorbent body 12 smaller than both ends in the longitudinal direction, when the inner pad 1 is attached to the human body, the crotch of the human body The absorber 12 is easy to fit with respect to (socket part).

The inner knob portion 16 is a three-dimensional portion that is picked on the surface sheet 10 side and protrudes toward the skin contact surface side that becomes the inner side when the inner pad 1 is attached, and the entire inner pad 1 (specifically, The top sheet 10, the absorber 12, and the back sheet 11) are formed so as to be bent from the top sheet 10 side.
In addition, this inner side picking part 16 has the shape by which the back surface sheets 11 which became the arrangement | positioning which faced opposite by bending on the opposite surface side by which the surface sheet 10 side was picked are adhere | attached by an adhesive agent, heat sealing | fusion, etc. It is supposed to be fixed.
The two inner knobs 16 are provided side by side in the width direction of the inner pad 1 at a position near the crotch 15 in the abdomen side portion 13 from the crotch 15 of the inner pad 1.

The outer knob 17 is a three-dimensional portion that is picked on the back sheet 11 side and protrudes outward on the outer pad side when the inner pad 1 is mounted, and is the entire inner pad 1 (specifically, the back sheet 11 And three layers of the absorber 12 and the top sheet 10) are formed so as to be bent from the back sheet 11 side.
In addition, this outer side picking part 17 is the shape which the surface sheets 10 which became the arrangement | positioning which was oppositely arranged by bending on the opposite surface side where the back surface sheet 11 side was picked are adhere | attached by an adhesive agent, heat sealing | fusion, etc. It is supposed to be fixed.
One of the three outer knobs 17 is provided at a position substantially sandwiched between the two inner knobs 16, and the two outer knobs 17 are formed from the crotch part 15 of the inner pad 1 to the stomach. The side portion 13 is provided at a position close to the ventral side portion 13 side by side in the width direction of the inner pad 1. The three outer knobs 17 are arranged at the apex of a substantially inverted triangle with the ventral side 13 facing upward.

The mounting portion 20 has a three-dimensional shape formed by combining irregularities and folds formed by the two inner knob portions 16 and the three outer knob portions 17, and the mounting portion 20 is shown in FIG. Thus, it has a shape recessed from the top sheet 10 toward the back sheet 11.
And since the mounting part 20 is formed in the solid | 3D shape along the swelling and dent of a wearer's human body, the inner pad 1 fits a human body suitably.
The mounting portion 20 includes an inner knob portion 16 and an outer knob portion 17 that are formed by bending the inner pad 1 so as to be bent. The inner knob portion 16 and the outer knob portion 17, and in accordance with them. Since it is easy to bend along the folds, when the inner pad 1 is mounted, it is easy to deform along the folds or the like by bending along the folds or the like. Therefore, the inner pad 1 can be easily attached to the human body, and the fit of the inner pad 1 to the human body is improved.

In particular, the mounting portion 20 is formed on the side of the inner pad 1 from the crotch portion 15 to the abdomen side portion 13 and in a position for accommodating a male genital as a predetermined position of the wearer wearing the inner pad 1. That is, the mounting portion 20 is formed in a three-dimensional shape considering the bulge and thickness of the male genitalia in the human body, and can be accommodated so that the male genital fits into the recess in the mounting portion 20.
Further, the mounting portion 20 is a depression formed on the inner pad 1 from the crotch portion 15 to the abdomen side portion 13 side and where a body fluid (for example, urine) is discharged (for example, in the vicinity of the urethral opening). Therefore, it functions as a bodily fluid pocket serving as a temporary reservoir until the discharged bodily fluid is absorbed by the absorbent body 12, and body fluid leakage from the inner pad 1 can be prevented.

As described above, the inner pad 1 includes the mounting part 20 formed by the two inner knobs 16 and the three outer knobs 17, and the mounting part 20 is a bulge or a dent of the wearer's human body. Therefore, the fit of the wearer wearing the inner pad 1 to the human body can be improved, and the wearing feeling can be improved.
In particular, the mounting part 20 is formed in a position from the crotch part 15 to the ventral side part 13 of the inner pad 1 so as to accommodate the male genitalia of the wearer wearing the inner pad 1. In the case of a male, a better fit to the human body can be obtained, and a better wearing feeling can be obtained. That is, this inner pad 1 functions suitably as a male inner pad (absorbent article).

  The present invention is not limited to the above embodiment.

  For example, as shown in FIGS. 4 and 5, two inner knobs 16 and two outer knobs 17 are provided from the crotch 15 to the ventral side 13 of the inner pad 2, and the inner knobs 16. The outer knob 17 and the outer knob 17 may form a mounting portion 30 that exhibits a three-dimensional shape along the human body of the wearer wearing the inner pad 2.

The inner knob portion 16 of the inner pad 2 is provided adjacent to the crotch portion 15 in the abdomen side portion 13 from the crotch portion 15 of the inner pad 2 and adjacent to the width direction of the inner pad 2.
Further, the outer knob 17 of the inner pad 2 is provided side by side in the width direction of the inner pad 2 at a position near the abdominal side 13 in the abdominal side 13 from the crotch part 15 of the inner pad 2.
The two outer knobs 17 and the pair of inner knobs 16 are arranged at the apex of a substantially inverted triangle with the ventral side 13 facing up.

And the mounting part 30 is a three-dimensional shape formed by combining irregularities and folds by the two inner knobs 16 and the two outer knobs 17, and has a three-dimensional shape along the bulge and dent of the wearer's human body. It is formed and has a shape recessed from the top sheet 10 toward the back sheet 11.
The mounting portion 30 is also formed at a position for storing the male genitals of the wearer wearing the inner pad 2, and can be stored so as to fit the male genitals in the recesses in the mounting portion 30. In addition, the mounting portion 30 is formed at a location (for example, in the vicinity of the urethral opening) where body fluid (for example, urine) is discharged, and is temporarily used until the discharged body fluid is absorbed by the absorber 12. It functions as a body fluid pocket serving as a reservoir, and it is possible to prevent body fluid leakage in the inner pad 2.

  The inner pad 2 including such a mounting portion 30 can improve the fit of the wearer wearing the inner pad 2 to the human body and improve the feeling of wearing.

  Also, as shown in FIGS. 6 and 7, two inner knobs 16 and two outer knobs 17 are provided on the crotch portion 15 of the inner pad 3, and these inner knobs 16 and outer knobs 17 are provided. Thus, the mounting portion 40 having a three-dimensional shape along the human body of the wearer wearing the inner pad 3 may be formed.

The inner knob 16 of the inner pad 3 is provided side by side in the width direction of the inner pad 3 at a position near the back side portion 14 in the crotch part 15 of the inner pad 3.
Further, the outer knob 17 of the inner pad 3 is provided side by side in the width direction of the inner pad 3 at a position near the abdomen side portion 13 in the crotch part 15 of the inner pad 3.
The two outer knobs 17 and the two inner knobs 16 have a substantially trapezoidal apex arrangement.

And the mounting part 40 is a three-dimensional shape formed by combining irregularities and folds by the two inner knobs 16 and the two outer knobs 17, and has a three-dimensional shape along the bulge and dent of the wearer's human body. It is formed and has a shape recessed from the top sheet 10 toward the back sheet 11.
The mounting portion 40 includes an inner knob portion 16 and an outer knob portion 17 that are formed by bending the inner pad 3 so as to be bent. Since it is easy to bend along the eyes, when the inner pad 3 is attached to the inseam of the human body, it can be easily deformed in response to the bulge or dent of the human body in a narrow inseam, such as by bending along the fold. It can be easily attached to the human body.
In addition, the mounting portion 40 is formed at a location (for example, in the vicinity of the urethral opening) where body fluid (for example, urine) is discharged, and is temporarily used until the discharged body fluid is absorbed by the absorber 12. It functions as a body fluid pocket that serves as a reservoir, and can prevent body fluid leakage in the inner pad 3.

  The inner pad 3 provided with such a mounting part 40 can also improve the fit to the human body of the wearer wearing the inner pad 3 and improve the wearing feeling.

  Further, as shown in FIGS. 8 and 9, an outer knob 17a formed by combining three linear knobs is provided from the crotch 15 to the ventral side 13 of the inner pad 4, and the outer knob is provided. You may make it form the mounting part 50 which exhibits the solid shape along the human body of the wearer who wears the inner pad 4 by the part 17a.

The outer knob 17a of the inner pad 4 is provided from the crotch 15 of the inner pad 4 to the abdomen 13 and has a substantially Y shape with the abdomen 13 facing up.
The mounting portion 50 is a three-dimensional shape formed by combining the unevenness and folds formed by the outer knob 17a, and is formed in a three-dimensional shape along the bulge and dent of the wearer's human body. It has a shape recessed toward the sheet 11.

  The inner pad 4 provided with such a mounting part 50 can improve the fit of the wearer wearing the inner pad 4 to the human body and can improve the feeling of wearing.

  In the above embodiment, the inner knob 16 and the outer knob 17 are pinched so as to bend the three layers of the top sheet 10, the absorber 12 and the back sheet 11, which are the entire inner pad 1. However, the present invention is not limited to this. For example, the inner knob 16 is formed by pinching only the top sheet 10 or the top sheet 10 and the absorbent body 12 so as to be bent. Alternatively, the outer knob 17 may be formed by bending only the back sheet 11 or the back sheet 11 and the absorber 12 so as to be bent.

  Further, the number, arrangement, individual size, and the like of the inner knobs 16 and the outer knobs 17 are arbitrary, and may be appropriately adjusted depending on the desired shape and size of the mounting part.

  In addition, it is needless to say that other specific detailed structures can be appropriately changed.

It is an inner surface side perspective view showing the inner pad concerning the present invention. It is an outer surface side perspective view showing an inner pad concerning the present invention. It is sectional drawing which shows the inner pad concerning this invention, and is sectional drawing (a) in the AA line of FIG. 1, and sectional drawing in the BB line of FIG. It is an inner surface side perspective view which shows the modification of the inner pad concerning this invention. It is an outer surface side perspective view which shows the modification of the inner pad concerning this invention. It is an inner surface side perspective view which shows the modification of the inner pad concerning this invention. It is an outer surface side perspective view which shows the modification of the inner pad concerning this invention. It is an inner surface side perspective view which shows the modification of the inner pad concerning this invention. It is an outer surface side perspective view which shows the modification of the inner pad concerning this invention.

Explanation of symbols

1, 2, 3, 4 Inner pad (absorbent article)
DESCRIPTION OF SYMBOLS 10 Top sheet 11 Back sheet 12 Absorber 13 Abdomen side part 14 Back side part 15 Crotch part 16 Inner knob part 17 Outer knob part 17a Outer knob part 20 Attached part (three-dimensional shape)
30 Wearing part (three-dimensional shape)
40 Wearing part (three-dimensional shape)
50 Wearing part (three-dimensional shape)

Claims (4)

A liquid-permeable top sheet, a liquid-impervious back sheet, and an absorbent body interposed between the top sheet and the back sheet, and the crotch portion of the human body from the ventral side to the back side Absorbent so that a ventral part is formed at one end, a dorsal part is formed at the other end, and a crotch is formed between the ventral part and the dorsal part so as to cover In goods,
A plurality of inner knobs which are convex on the skin contact surface side by being picked on the top sheet side, and a plurality of outer knobs on which the rear sheet side is convex and convex on the outer surface side,
At least two of the plurality of outer knobs at the apex on the ventral side of the generally inverted triangle or trapezoid with the ventral side up, and at least of the plurality of inner knobs at the apex on the dorsal side An absorbent article characterized in that a three-dimensional shape along a predetermined position of a wearer's human body is formed by arranging a pair or two respectively .   The inner knob is formed so as to bend the entire absorbent article from the top sheet side, and the outer knob is picked so as to bend the entire absorbent article from the back sheet side. The absorbent article according to claim 1, wherein the absorbent article is formed.   The said inner side pick part is adhere | attached on the opposite surface side where the said surface sheet side was picked, and the said outer side pick part is adhere | attached on the opposite surface side where the said back surface sheet side was picked. 2. The absorbent article according to 2.   The absorbent article according to any one of claims 1 to 3, wherein the three-dimensional shape is formed at a position for accommodating a male genital of a wearer wearing the absorbent article.

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