WO2010110270A1

WO2010110270A1 - Absorbent article and package

Info

Publication number: WO2010110270A1
Application number: PCT/JP2010/054992
Authority: WO
Inventors: 啓介海老塚
Original assignee: 大王製紙株式会社
Priority date: 2009-03-26
Filing date: 2010-03-23
Publication date: 2010-09-30
Also published as: JP2010227241A; JP5410132B2

Abstract

Provided is an absorbent article which has excellent fittability and in which the whole menstrual blood spot area in an absorbent article main body is covered. An absorbent article wherein the base end part of a wing is bonded to a liquid-permeable top sheet located in the both sides of the main body; the opposing side of the front end part of the wing is a curve-shaped side; and the non-opposing sides of the front end part thereof are linearly shaped sides. In this absorbent article, wings are folded on the liquid-permeable top sheet surface; the opposing sides of the front end parts thereof are joined together; and thus a rectangular covering member is formed on the surface of the liquid-permeable top sheet.

Description

Absorbent articles and packaging

The present invention relates to an absorbent article and a package for the absorbent article.

Absorbent articles used as sanitary napkins, panty liners, urine absorption pads, etc., generally have wings on both sides in the longitudinal direction of the main body.
When not attached, the wing is folded to the use surface side of the main body to protect the surface of the main body. Also, at the time of wearing, these wings are folded back to the lower side of the crotch part of the underwear, and the adhesive area provided on the wing is adhered to the crotch part of the underwear, thereby shifting the absorbent article at the time of wearing. And prevent leakage of menstrual blood, urine and other excretions from the absorbent article.

These wings are generally formed by joining a top sheet and a back sheet that form the main body of the absorbent article (see, for example, Patent Document 1).
However, since the wing is shaped to the right and left, it is difficult to wear it because the hands of the wearer interfere with each other when the wing is folded under the crotch part of the underwear. There was a need for improvement.
In addition, when the wing is folded to the surface that is the use surface side of the main body, it is impossible to cover and protect the entire menstrual spot on the surface of the main body. There was also a fear of existence.
Furthermore, when the wing is formed by joining the top sheet and the back sheet that form the main body, it is necessary to cut off a large amount of the top sheet and the back sheet that are not used for the main body and the wing. Was demanded.

In order to improve the problem of discarding a large amount of the top sheet and the back sheet, an attempt has been made to form a wing using a member separate from the main body (see, for example, Patent Document 2).
However, when the wing is formed of a member separate from the main body, the left and right wings (for example, the left wing) are connected to the left and right other wings in order to join the wings to the target positions on both sides of the main body. It is necessary to provide a manufacturing apparatus with a feeding device that fast-forwards a predetermined amount with respect to the wing (for example, the right wing), and the manufacturing equipment is complicated and large.

In general, the absorbent article before mounting is individually wrapped by a packaging sheet, and the packaging sheet cannot be peeled to the release paper covering the adhesive area of the main body of the absorbent article and the release paper covering the adhesive area of the wing. It is joined to.
When removing the absorbent article from the package at the time of mounting, it is not necessary to remove the release paper covering the adhesive area individually, and a package has been proposed in which the release paper is also removed from the absorbent article at the same time by removing the packaging sheet (For example, refer to Patent Document 3).
However, since the release paper covering the adhesive portion of the wing is not provided with a cut line that divides the release paper in the width direction, the absorbent article is twisted to the wing when the absorbent article is taken out from the package, etc. There is a risk of the occurrence of such a problem, and improvement in wearability has been demanded.

Japanese Patent Laid-Open No. 2001-61884 JP 2004-248774 A Japanese Patent Laid-Open No. 9-10257

Therefore, a main problem of the present invention is to provide an absorbent article having excellent wingability and having wings covering a wide range of menstrual spots.

A further object of the present invention is to provide a package that suppresses deformation of the wing at the time of wearing.

The present invention that has solved the above problems is as follows.
<Invention of Claim 1>
A main body comprising a liquid-permeable top sheet, a liquid-impervious back sheet, and an absorbent body sandwiched between the two sheets; provided on both sides of the main body and extending outward in the width direction of the main body In an absorbent article having a wing to
The wing is asymmetrical,
The base end portion of the wing is bonded to both side surfaces of the liquid-permeable top sheet,
The opposite side of the tip of the wing is a curved side, and the non-opposite side of the tip of the wing is a straight side.
The wing is formed by folding the wing on the surface of the liquid-permeable top sheet, fitting the opposing pieces of the tip portion to each other, and forming a rectangular cover on the surface of the liquid-permeable top sheet,
An absorbent article having a first adhesive area on the back surface of the main body and a second adhesive area on the outer surface of the wing.

(Function and effect)
According to the knowledge of the present inventor, the base end portion of the wing is joined to the both side surfaces of the liquid-permeable top sheet of the main body.
Thereby, the wing manufactured by a member separate from the main body can be easily joined to the liquid-permeable top sheet of the main body, and the wing can be easily folded on the surface of the liquid-permeable top sheet of the main body. .

Further, in the present invention, the opposing side of the tip of the wing is a curved side, the non-opposing side of the tip of the wing is a linear side, the wing is folded on the surface of the liquid-permeable top sheet of the main body, The opposing pieces of the parts are fitted to each other to form a rectangular cover on the surface of the liquid-permeable top sheet.
As a result, when the wing is folded back to the lower side of the crotch portion of the underwear, the wearer's hands do not interfere with each other and the wearability is greatly improved, and the menstrual blood of the liquid-permeable top sheet of the main body Since the wide area of the spot can be covered and protected by the wing, it is possible to prevent trauma from entering the menstrual blood spot of the liquid-permeable top sheet of the main body.

<Invention of Claim 2>
The absorbent article according to claim 1, wherein the thickness of the distal end portion of the wing is 2 to 3 times the thickness of the proximal end portion of the wing.

(Function and effect)
Since the thickness of the tip of the wing is 2 to 3 times the thickness of the base end of the wing, the wing can be more easily folded under the crotch portion of the underwear, and the wearability is further improved.

<Invention of Claim 3>
The absorbent article according to

claim

1 or 2, wherein the folded portion at the base end of the wing is extendable in the width direction.

(Function and effect)
Since the fold at the base end of the wing can be expanded and contracted in the width direction, it is possible to attach the wing to a suitable position on the crotch part of the underwear, and to prevent leakage of excrement such as menstrual blood and urine Is further improved.

<Invention of Claim 4>
The absorption according to any one of claims 1 to 3, wherein a heat seal or an ultrasonic seal is formed along the joint portion at a joint portion of the base end portion of the wing of the liquid-permeable top sheet. Sex goods.

(Function and effect)
Since the heat seal or ultrasonic seal is formed along the joint at the joint of the base of the wing of the liquid-permeable top sheet of the main body, the base of the liquid-permeable top sheet and the wing In addition, the leakage resistance of excrement such as menstrual blood and urine from the outside in the width direction of the main body is further improved.

<Invention of Claim 5>
The absorbent article according to any one of claims 1 to 4, wherein the second adhesive region is formed in the vicinity of the base end portion of the outer surface of the wing and is not continuous in the width direction.

(Function and effect)
Since the second adhesive zone is formed only in the vicinity of the base end of the outer surface of the wing and is not continuous in the width direction, the opposite side of the wing tip is cut into a curved side, and the non-opposing side of the wing tip is When cutting into a straight side, an unnecessary adhesive member does not adhere to the cutting edge of the processing jig, and the wing can be cut efficiently.

<Invention of Claim 6>
In a package consisting of a packaging sheet and an absorbent article,
The absorbent article includes a main body composed of a liquid-permeable top sheet, a liquid-impervious back sheet, and an absorbent body sandwiched between the two sheets, and a width direction of the main body provided on both sides of the main body. And wings extending outward from the
The wing is asymmetrical,
The base end portion of the wing is bonded to both side surfaces of the liquid-permeable top sheet,
The opposite side of the tip of the wing is a curved side, and the non-opposite side of the tip of the wing is a straight side.
The wing is formed by folding the wing on the surface of the liquid-permeable top sheet, fitting the opposing pieces of the tip portion to each other, and forming a rectangular cover on the surface of the liquid-permeable top sheet,
The back surface of the main body has a first adhesive area, the outer surface of the wing has a second adhesive area,
The packaging sheet extends from both sides and upper and lower ends of the main body,
The first adhesive area is covered with a first release paper, and the outer surface of the first release paper is joined to the inner surface of the packaging sheet so as not to be peeled,
The second adhesive region is covered with a second release paper, and the outer surface of the second release paper is joined to the inner surface of the packaging sheet extending from the upper and lower ends so as not to be peeled off,
A packaging body, wherein the packaging sheet and the absorbent article are folded with the liquid-permeable top sheet inside, and both side portions of the packaging sheet are joined.

Further, in the present invention, the first release paper covering the first adhesive area is joined to the inner surface of the packaging sheet so as not to be peeled, and the second release paper covering the second adhesive area extends from the upper and lower ends. It is joined to the inner surface of the packaging sheet that cannot be peeled off.
Thereby, when taking out an absorbent article from a package, an absorbent article can be taken out from a package by removing a packaging sheet, without removing a 1st release paper and a 2nd release paper separately.

<Invention of Claim 7>
The package according to claim 6, wherein the second release paper is provided with a score line extending from an upper side to a lower piece.

(Function and effect)
Since the cut line extending from the upper side of the second release paper to the lower piece is provided, it is possible to suppress shape deformation caused by twisting of the wing when the absorbent article is taken out from the package, and the wearability is further improved. improves.

<Invention of Claim 8>
The package according to claim 7, wherein the cut line has the same curved shape as the curved shape side of the wing.

(Function and effect)
Since the cut line is the same curved shape as the curved side of the opposite side of the wing tip, it is possible to suppress shape deformation caused by twisting of the wing when taking out the absorbent article from the package, and wearability is improved. Further improvement.
Also, after forming the second adhesive zone on the wing, the wing and the second release paper are laminated, and the curved side of the opposite side of the wing tip and the cut line of the second release paper are processed at the same time, the wing tip The non-opposing sides can be processed simultaneously with the straight side and the upper and lower sides of the second release paper, and the wing and the second release paper can be manufactured efficiently.

<Invention of Claim 9>
The package according to any one of claims 6 to 8, wherein a thickness of a distal end portion of the wing is 2 to 3 times a thickness of a proximal end portion of the wing.

<Invention of Claim 10>
The package according to any one of claims 6 to 9, wherein the folded portion at the base end of the wing is extendable in the width direction.

<Invention of Claim 11>
The packaging according to any one of claims 6 to 10, wherein a heat seal or an ultrasonic seal is formed along the joint at a joint portion of the base end portion of the wing of the liquid-permeable top sheet. body.

<Invention of Claim 12>
The package according to any one of claims 6 to 11, wherein the second adhesive region is formed in the vicinity of a base end portion of the outer surface of the wing and is not continuous in the width direction.

As described above, according to the present invention, it is possible to provide an absorbent article having excellent wearability and having wings covering a wide range of menstrual spots.

Moreover, according to the present invention, it is possible to provide a package that suppresses the deformation of the wing at the time of wearing.

It is a front view of the absorptive article which developed wings. It is a reverse view of the absorbent article which developed the wing. FIG. 3 is a view taken along line XX in FIG. 2. It is a front view of the absorbent article which folded the wing. It is an enlarged view of a wing. It is an enlarged view of a wing whose base end portion is made extendable. It is a front view of the package body before packaging. It is a state figure of the packaging process of a package. It is an external view of a package.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings. Of the terms of the present invention, the “width direction” means the left-right direction in FIG. 1, and the “longitudinal direction” means the up-down direction in FIG.
In addition, the “base end” of the wing means a part to be joined to the liquid-permeable top sheet, and the “tip” of the wing means a part that is folded back to the lower side of the crotch part of the underwear. The “folded portion” of the wing means a region near the proximal end portion of the distal end portion.

<Absorbent article>
1 to 4 show an absorbent article 1 according to the present invention. The absorbent article 1 has a main body 10 and a pair of left and right wings 20 extending outward in the width direction on both side portions in the longitudinal direction of the main body 10.
The dimensions of each part can be determined as appropriate. For example, the total length of the absorbent article 1 can be about 180 to 240 mm, and the total width of the absorbent article 1 when the wings are folded can be about 60 to 90 mm. If the total length of the rectangular cover 24 formed by the wings 20 is about 60 to 80 mm and the total width of the rectangular cover 24 is about 60 to 90 mm, the pair of left and right wings 20 allow the absorbent article 1 to pass through. A wide area of the blood spot can be covered and protected.

The main body 10 has an absorbent body 13 interposed between a liquid-permeable top sheet 11 and a liquid-impervious back sheet 12, and the liquid-permeable top sheet 11 and the liquid-impervious back sheet 12 are The end flap 16 and the side flaps 17 are formed by bonding with the hot melt adhesive in the outer peripheral region of the absorber 13 where the absorber 13 does not exist.
Further, the outer surface of the liquid-impermeable back sheet 12 is provided with a first adhesive region 14 that adheres to the inner surface of the crotch portion of the underwear when worn, and is covered with a first release paper 15 that can be peeled off.
Further, in the present embodiment, the first adhesive region 14 is formed of a hot melt adhesive, but there is no particular limitation, and a mechanical fastener, a combination of a mechanical fastener and a hot melt adhesive can be selected. is there.

As the liquid-permeable top sheet 11, a perforated or non-porous nonwoven fabric or a perforated plastic sheet can be used. As the material fiber constituting the non-woven fabric, synthetic fibers such as polyethylene or polypropylene such as olefin, polyester and amide, recycled fibers such as rayon and cupra, and natural fibers such as cotton can be used.
Further, a second sheet can be interposed between the liquid-permeable top sheet 11 and the absorbent body 13 in order to prevent the menstrual blood absorbed by the absorbent body 13 from returning. As the second sheet, a mesh film or the like which is a material having low water retention and high liquid permeability can be used.
Furthermore, a pair of left and right barrier sheets 18 can be provided on the side flaps 17 of the main body 10 in order to prevent leakage of menstrual blood in the width direction. As the barrier sheet 18, a plastic sheet or a melt blown non-woven fabric can be used, but from the viewpoint of touch to the skin, a non-woven fabric having a water repellent treatment with silicon or the like is preferable.
An elongated elastic member 19 is fixed to the front end portion of the barrier sheet 18 with a hot melt adhesive or the like in a stretched state along the longitudinal direction. As the elongated elastic member 19, styrene rubber, olefin rubber, urethane rubber, ester rubber, polyurethane, polyethylene, polystyrene, styrene butadiene, silicon, polyester, etc., which are formed in a thread shape, a string shape, a belt shape, etc. Can be used.
The barrier sheet 18 is joined to the liquid-permeable top sheet 11 of the main body 10 at the outer side in the width direction, and both end portions in the longitudinal direction are joined to the liquid-permeable top sheet 11 of the main body 10 so as to be longitudinal. Between both ends in the direction, the liquid-permeable top sheet 11 of the main body 10 is not joined and is not fixed. This non-fixed part stands up at the time of wearing and prevents leakage from the width direction of menstrual blood.

As the liquid-impermeable back sheet 12, in addition to a polyethylene film or the like, a sheet having moisture permeability can be used without impairing water shielding from the viewpoint of preventing stuffiness. As a water-impervious / breathable sheet, a microporous sheet or the like obtained by melt-kneading an inorganic filler in an olefin resin such as polyethylene or polypropylene to form a sheet, and then stretching in a uniaxial or biaxial direction, etc. Can be used.

Absorbent body 13 is basically a pulp fiber stack, an aggregate of filaments such as cellulose acetate, or a non-woven fabric, and is obtained by mixing, adhering, or the like with a superabsorbent polymer such as particles if necessary. Can be used.
Moreover, the shape of the absorber 13 can be an appropriate shape such as a strip shape in which the front portion is relatively wider than the rear portion, a rectangular shape, or a trapezoidal shape. In order to prevent twisting and shape deformation, the structure is integrally wrapped with crepe paper or nonwoven fabric. As a nonwoven fabric, what made the fiber which consists of thermoplastic polymer materials, such as polyolefin, such as polyethylene and a polypropylene, polyesters, such as polyethylene terephthalate, and polyamides, such as nylon (trademark), can be used.
These fibers may be a core-sheath type or a side-by-side type composite fiber.
Furthermore, in order to hold the absorbed menstrual blood in the central portion of the absorber 13, it is preferable to form an emboss surrounding the menstrual blood spot on the absorber 13.

5 and 6 show a pair of left and right wings 20 folded on the surface of the main body 10. The wing 20 is manufactured from a wing sheet 28 that is separate from the main body 10.
As the wing sheet 28, a perforated or non-porous nonwoven fabric or a perforated plastic sheet can be used. As the material fiber constituting the non-woven fabric, synthetic fibers such as polyethylene or polypropylene such as olefin, polyester and amide, recycled fibers such as rayon and cupra, and natural fibers such as cotton can be used.
Further, when a plurality of wing sheets 28 are stacked and the thickness of the distal end portion 22 of the wing 20 is 2 to 3 times the thickness of the proximal end portion 21, the distal end portion 22 of the wing 20 is easily gripped. Can be improved.
Further, when the elastic member sheet 29 that can be expanded and contracted in the width direction is used for the folding part 23 of the wing 20, the wing 20 can be attached to a suitable position of the crotch part of the underwear, and excrement such as menstrual blood, urine, etc. Leakproofness can be further improved.
As the elastic member sheet 29, urethane, a wing sheet 28 in which an elongated elastic member is fixed in an expanded state along the width direction, or the like can be used, and the elastic member sheet 29 can be formed by being bonded to a part of the wing sheet 28.

The pair of left and right wings 20 are respectively provided on both side portions in the longitudinal direction of the main body 10, more specifically, on the liquid-permeable top sheet 11 of the side flaps 17 on both side portions in the longitudinal direction where the absorber 13 of the main body 10 does not exist. The base end portion 21 of the wing 20 is joined to the surface by a hot melt adhesive.
In addition, by performing heat sealing and ultrasonic sealing processing along the joint part of the liquid-permeable top sheet 11 and the base end part 21 of the wing 20, the base end part 21 of the wing 20 and the liquid-permeable top sheet 11 are formed. Bonding force can be increased.

In the pair of left and right wings 20, the opposing sides of the tip 22 of the wing 20 facing each other are cut into a curved shape, and the non-opposing sides of the tip 22 of the wing 20 are cut into a straight shape.
When the pair of left and right wings 20 are folded on the surface of the liquid-permeable top sheet 11 of the main body 10, the pair of left and right wings 20 are fitted to each other on the opposite sides of the front end portion 22 of the wings 20 facing each other and have a large gap. It fits without forming a rectangular covering part in the shape of a menstrual blood spot on the surface of the liquid-permeable top sheet 11.
Here, the “curve shape” preferably means a SIN curve shape or COS curve shape that does not have an inflection point. In the present embodiment shown in FIGS. Although a curved curve shape is shown, it may be cut into a SIN curve shape of 1/4 cycle, 1/2 cycle, 3/4 cycle, 1/1 cycle, SIN curve shape of 2 cycles or more. , 1/4 cycle, 1/2 cycle, 3/4 cycle, 1/1 cycle COS curve shape, or COS curve shape of 2 cycles or more.
When the curve shape is a SIN curve shape or a COS curve shape, since it does not have an inflection point, it can be easily cut and processed.
Further, when the opposite side of the front end portion 22 of the wing 20 is cut into a curved shape, the wing 20 can be easily folded on the outer surface of the crotch portion and joined to the crotch portion, as compared with the case where the wing 20 is formed in a straight line shape. The second adhesive region 25 can be provided in a wide range in the vicinity of the base end portion 21 of the wing 20.

Instead of cutting the opposing side of the tip portion 22 of the wing 20 into a curved shape, the opposing side can also be made into a perforation that can be easily divided in the width direction of the curved shape. When the perforation can be easily divided in the width direction, the base end portion 21 of the wing 20 can be easily joined to the surface of the liquid-permeable top sheet 11 of the side flap 17 of the main body 10. .

On the outer surface in the vicinity of the base end portion 21 of the pair of left and right wings 20, a second adhesive region 25 that is not continuous in the width direction of the pair of left and right wings 20 that adheres to the outer surface of the crotch portion of the underwear when worn is provided and can be peeled off. The second release paper 26 is covered.
In the present embodiment, the second adhesive region 25 is formed of a hot melt adhesive, but there is no particular limitation, and a mechanical fastener, a combination of a mechanical fastener and a hot melt adhesive can be selected. is there.

<Packaging body>
7 to 9 show a package 3 for absorbent articles according to the present invention. The package 3 has an absorbent article 1 and a packaging sheet 2. The same members as those of the absorbent article 1 are denoted by the same reference numerals.
The dimensions of each part can be determined as appropriate. For example, when the total length of the absorbent article 1 is about 180 to 240 mm and the total width of the absorbent article 1 when the wing is folded is about 60 to 90 mm, the length of the packaging sheet 2 The length in the direction can be set to about 240 to 320 mm, and the length in the width direction can be set to 80 to 110 mm.

The packaging sheet 2 is a rectangular sheet extending in the width direction and the longitudinal direction from the outer periphery of the absorbent article 1.
A plastic sheet made of polyethylene, polypropylene, or the like can be used as the packaging sheet 2, and a fastening tape 30 is attached to the upper end side in the longitudinal direction of the packaging sheet 2.

The absorbent article 1 has a main body 10 and a pair of left and right wings 20, and the main body 10 has an absorbent body 13 interposed between a liquid-permeable top sheet 11 and a liquid-impermeable back sheet 12. The liquid-permeable top sheet 11 and the liquid-impermeable back sheet 12 are joined by a hot melt adhesive in the outer peripheral area of the absorbent body 13 where the absorbent body 13 does not exist, and form an end flap 16 and a side flap 17. ing.
Further, the outer surface of the liquid-impermeable back sheet 12 is provided with a first adhesive region 14 that adheres to the inner surface of the crotch portion of the underwear when worn, and is covered with a first release paper 15 that can be peeled off.
As the first release paper 15, it is possible to use a thin kraft paper, glossy paper, polyethylene, polypropylene, or the like that has releasability on one side.

The pair of left and right wings 20 are manufactured from a wing sheet 28 that is separate from the main body 10.
The pair of left and right wings 20 is bonded to the surface of the liquid-permeable top sheet 11 of the side flaps 17 on both sides in the longitudinal direction where the absorbent body 13 of the main body 10 does not exist, and the base end portion 21 of the wing 20 is joined by a hot melt adhesive. Has been.

When the plurality of wing sheets 28 are stacked and the thickness of the distal end portion 22 of the wing 20 is 2 to 3 times the thickness of the proximal end portion 21, the distal end portion 22 of the wing 20 can be easily gripped. It is possible to improve wearability.
Further, when the elastic member sheet 29 that can be expanded and contracted in the width direction is used for the folding part 23 of the wing 20, the wing 20 can be attached to a suitable position of the crotch part of the underwear, and excrement such as menstrual blood, urine, etc. Leakproofness can be further improved.
Furthermore, heat sealing and ultrasonic sealing are performed along the joint between the liquid-permeable top sheet 11 and the base end portion 21 of the wing 20, so that the base end portion 21 of the wing 20 and the liquid-permeable top sheet 11 are connected. Bonding force can be increased.

In the pair of left and right wings 20, the opposing sides of the tip 22 of the wing 20 facing each other are cut into a curved shape, and the non-opposing sides of the tip 22 of the wing 20 are cut into a straight shape.
When the pair of left and right wings 20 are folded on the surface of the liquid-permeable top sheet 11 of the main body 10, the pair of left and right wings 20 are fitted to each other on the opposite sides of the front end portion 22 of the wings 20 facing each other and have a large gap. The rectangular cover is formed in the shape of a menstrual blood spot on the surface of the liquid-permeable top sheet 11.
Here, the “curve shape” preferably means a SIN curve shape or a COS curve shape that does not have an inflection point.
When the curve shape is a SIN curve shape or a COS curve shape, since it does not have an inflection point, it can be easily cut and processed.
Further, when the opposite side of the front end portion 22 of the wing 20 is cut into a curved shape, the wing 20 can be easily folded on the outer surface of the crotch portion and joined to the crotch portion, as compared with the case where the wing 20 is formed in a straight line shape. The second adhesive region 25 can be provided in a wide range in the vicinity of the base end portion 21 of the wing 20.

On the outer surface in the vicinity of the base end portion 21 of the pair of left and right wings 20, a second adhesive region 25 that is not continuous in the width direction of the pair of left and right wings 20 that adheres to the outer surface of the crotch portion of the underwear when worn is provided and can be peeled off. The second release paper 26 is covered.
As the second release paper 26, it is possible to use a thin kraft paper having a releasability on one side, glossy paper, a plastic sheet made of polyethylene, polypropylene or the like.

The shape of the second release paper 26 and the shape of the cut line 27 are not particularly limited, but in the present embodiment, the second release paper 26 has a rectangular shape, and the lower piece from the upper side of the second release paper 26. A cut line 27 extending up to is provided.
More specifically, the shape of the second release paper 26 is a rectangular cover formed by the pair of left and right wings 20 when the pair of left and right wings 20 are folded on the surface of the liquid-permeable top sheet 11 of the main body 10. 24, the dimension in the width direction and the dimension in the longitudinal direction are the same.
Further, the curve shape formed by the cut line 27 of the second release paper 26 matches the curve shape of the opposite sides of the tip 22 of the pair of left and right wings 20.
When the absorbent article 1 is taken out from the package 3 because the curve shape of the cut line 27 of the second release paper 26 and the curve shape of the opposite sides of the front end portions 22 of the pair of left and right wings 20 match. The pair of left and right wings 20 are not deformed due to twist or the like, and the wings 20 of the absorbent article 1 taken out from the package 3 can be easily folded back to the outer surface of the crotch portion of the underwear.

Instead of the cut line 27 of the second release paper 26, the perforation can be easily divided in the width direction. When the perforation can be easily divided in the width direction, the second release paper 26 can be easily joined to the outer surface of the wing 20, and the outer surface of the wing 20 can be reliably covered and protected by the second release paper 26.
Even when the wing 20 and the second release paper 26 are manufactured at the same time, the base end portion 21 of the wing 20 can be easily joined to the surface of the liquid-permeable top sheet 11 of the side flap 17 of the main body 10. The outer surface of the wing 20 can be reliably covered and protected with the second release paper 26, which is preferable.

The outer surface of the first release paper 15 is bonded to the inner surface of the packaging sheet 2 by a hot melt adhesive so as not to be peeled, and the outer surface of the second release paper 26 extends from the lower end in the longitudinal direction of the main body 10. It is joined to the inner surface of the sheet 2 so as not to be peeled off.
In the present embodiment, the first adhesive region 14 and the second adhesive region 25 are formed of a hot melt adhesive, but there is no particular limitation, and a mechanical fastener, a combination of a mechanical fastener and a hot melt adhesive is used. It is also possible to select.

In order to wrap the absorbent article 1 with the packaging sheet 2 to form the package 3, as shown in FIGS. 8 and 9, the lower end of the absorbent article 1 in the longitudinal direction is folded on the surface of the absorbent article 1, Next, the upper end portion of the absorbent article 1 is folded on the surface of the absorbent article 1 and fixed with a fastening tape 30, and both sides of the packaging sheet 2 are heat-sealed and hermetically sealed.

The present invention can be used for all absorbent articles used as sanitary napkins, panty liners, urine absorption pads, and the like.

DESCRIPTION OF SYMBOLS 1 ... Absorbent article, 2 ... Sheet for packaging, 3 ... Package, 10 ... Main body, 11 ... Liquid-permeable top sheet, 12 ... Liquid-impermeable back sheet, 13 ... Absorber, 14 ... 1st adhesion area, DESCRIPTION OF SYMBOLS 15 ... 1st release paper, 16 ... End flap, 17 ... Side flap, 20 ... Wing, 21 ... Base end part, 22 ... Tip part, 23 ... Folding part, 24 ... Cover part, 25 ... 2nd adhesion area, 26 2nd release paper, 27 ... cut line, 28 ... wing sheet, 29 ... elastic member sheet, 30 ... fastening tape

Claims

A main body comprising a liquid-permeable top sheet, a liquid-impervious back sheet, and an absorbent body sandwiched between the two sheets; provided on both sides of the main body and extending outward in the width direction of the main body In an absorbent article having a wing to
The wing is asymmetrical,
The base end portion of the wing is bonded to both side surfaces of the liquid-permeable top sheet,
The opposite side of the tip of the wing is a curved side, and the non-opposite side of the tip of the wing is a straight side.
The wing is formed by folding the wing on the surface of the liquid-permeable top sheet, fitting the opposing pieces of the tip portion to each other, and forming a rectangular cover on the surface of the liquid-permeable top sheet,
An absorbent article having a first adhesive area on the back surface of the main body and a second adhesive area on the outer surface of the wing.
The absorbent article according to claim 1, wherein the thickness of the distal end portion of the wing is 2 to 3 times the thickness of the proximal end portion of the wing.
The absorbent article according to claim 1 or 2, wherein the folded portion at the base end of the wing is extendable in the width direction.
The absorption according to any one of claims 1 to 3, wherein a heat seal or an ultrasonic seal is formed along the joint portion at a joint portion of the base end portion of the wing of the liquid-permeable top sheet. Sex goods.
The absorbent article according to any one of claims 1 to 4, wherein the second adhesive region is formed in the vicinity of the base end portion of the outer surface of the wing and is not continuous in the width direction.
In a package consisting of a packaging sheet and an absorbent article,
The absorbent article includes a main body composed of a liquid-permeable top sheet, a liquid-impervious back sheet, and an absorbent body sandwiched between the two sheets, and a width direction of the main body provided on both sides of the main body. And wings extending outward from the
The wing is asymmetrical,
The base end portion of the wing is bonded to both side surfaces of the liquid-permeable top sheet,
The opposite side of the tip of the wing is a curved side, and the non-opposite side of the tip of the wing is a straight side.
The wing is formed by folding the wing on the surface of the liquid-permeable top sheet, fitting the opposing pieces of the tip portion to each other, and forming a rectangular cover on the surface of the liquid-permeable top sheet,
The back surface of the main body has a first adhesive area, the outer surface of the wing has a second adhesive area,
The packaging sheet extends from both sides and upper and lower ends of the main body,
The first adhesive area is covered with a first release paper, and the outer surface of the first release paper is joined to the inner surface of the packaging sheet so as not to be peeled,
The second adhesive region is covered with a second release paper, and the outer surface of the second release paper is joined to the inner surface of the packaging sheet extending from the upper and lower ends so as not to be peeled off,
A packaging body, wherein the packaging sheet and the absorbent article are folded with the liquid-permeable top sheet inside, and both side portions of the packaging sheet are joined.
The package according to claim 6, wherein the second release paper is provided with a cut line extending from the upper side to the lower piece.
The package according to claim 7, wherein the cut line has the same curved shape as the curved shape side of the wing.
The packaging body according to any one of claims 6 to 8, wherein a thickness of a distal end portion of the wing is 2 to 3 times a thickness of a proximal end portion of the wing.
10. The package according to any one of claims 6 to 9, wherein the folded portion at the base end of the wing is extendable in the width direction.
The packaging according to any one of claims 6 to 10, wherein a heat seal or an ultrasonic seal is formed along the joint at a joint portion of the base end portion of the wing of the liquid-permeable top sheet. body.
The package according to any one of claims 6 to 11, wherein the second adhesive region is formed in the vicinity of the base end portion of the outer surface of the wing and is not continuous in the width direction.