JP2020141872A - Individually-packaging body of absorbent article and packaging body housing the same - Google Patents

Abstract

To provide an individually-packaging body of an absorbent article which can make a user perceive the existence of a volatile component in opening in the use while making the user perceive the existence of the volatile component before opening when the absorbent article contains the volatile component.SOLUTION: An individually-packaging body 10 of an absorbent article includes a folding line extending in a width direction DW when being spread, and an absorbent article 1 includes a volatile component containing region 20 at least in an end part on a side in one direction with respect to the folding line in a longitudinal direction DL. In an individually-packaging state, the absorbent article 1 is folded with a skin-facing surface side being inside at least by the folding line. Both end parts of an airtight packaging member in the width direction DW are closed. The end part on the side in one direction of the airtight packaging member is fixed on a facing surface of the facing airtight packaging member, and the end part of the airtight packaging member includes a gas communicating part 13.SELECTED DRAWING: Figure 2

Description

The present invention relates to an individual package of an absorbent article and a package containing the individual package.

An individual package of an absorbent article, which comprises an absorbent article and an airtight packaging member, is known.
For example, Patent Document 1 includes an absorbent article containing a volatile component and an airtight packaging member fixed to the non-skin facing surface side of the absorbent article, and the absorbent article extends in the width direction. An individual package of an absorbent article folded by two or more fold lines, and the individual package of the absorbent article has a fusion seal region and an opening of a folding structure at both ends of the absorbent article in the width direction. A non-fixed portion extending along the longitudinal direction or the width direction is provided between the absorbent article and the airtight packaging member, and the fusion-bonded seal region or the sealing-fixing region is provided. However, an individual package of an absorbent article having a gas communication part is disclosed.

Japanese Patent No. 64424646

The individual package of the absorbent article described in Patent Document 1 is an airtight package due to the volatilization of the volatile component when the absorbent article provided as the individual package including the airtight packaging member contains a volatile component. The purpose is to release volatile components volatilized from the fusion seal region or the sealing and fixing region in order to prevent the member from expanding and bursting. On the other hand, some volatile components can be perceived through the sense of skin or smell in a gaseous state, but in the invention described in Patent Document 1, such volatile components are used before and during use. It is not intended to be released around the individual packaging of absorbent articles.
Therefore, when the absorbent article contains a volatile component, when the absorbent article is opened when the absorbent article is used while making the user perceive the presence of the volatile component before opening the individual package of the absorbent article. Also, it is an object of the present invention to provide an individual package of an absorbent article capable of perceiving the presence of a volatile component.

The inventors of the present invention have conducted diligent research in view of the above problems. Then, in order to solve the above-mentioned problems, an absorbent article having a longitudinal direction including one direction and another direction and a width direction, and an airtight packaging member fixed to the non-skin facing surface side of the absorbent article. The individual wrapping body of the absorbent article, and in the unfolded state of the individual wrapping body, the individual wrapping body of the absorbent article is provided with a fold line extending along the width direction, and the absorbent article is provided. However, at least at the end on the one-way side of the fold line, the volatile component-containing region containing the volatile component is provided, and in the individually wrapped state, the absorbent article has a surface facing the skin by at least the fold line. It is folded with the side inside, and both ends of the airtight packaging member in the width direction are closed, and the ends of the airtight packaging member on the one-way side face each other. Provided is an individual package of an absorbent article, which is fixed to a facing surface of the member and the end portion of the airtight packaging member includes a gas communication portion that communicates the inside and the outside of the individual package.

The individual package of the absorbent article of the present invention allows the user to perceive the presence of volatile components before opening, and can also perceive the presence of volatile components when opened during use.

According to an embodiment of the present invention, a perspective view of the individual package 10 comprising folding the sanitary napkin 1, (a) is an perspective view of the individual package 10 from the first surface S ₁ side , (b) are a perspective view of the individual package 10 from the second surface _{S 2} side. It is a top view which looked at the sanitary napkin 1 in the thickness direction _DT from the surface sheet 2 side in the unfolded state. It is a top view which looked at the sanitary napkin 1 in the thickness direction _DT from the back surface sheet 3 side in the unfolded state. Of the sanitary napkin 1 is an end view of a cross-section along the central axis C _L extending in the longitudinal direction D _L. It is a perspective view for demonstrating the folding method of the sanitary napkin 1 for forming an individual package body 10.

The present invention relates to the following aspects.

[Aspect 1]
(Constitution)
Individual packaging of an absorbent article comprising an absorbent article having a longitudinal direction including one direction and another direction and a width direction, and an airtight packaging member fixed to the non-skin facing surface side of the absorbent article. The body
In the unfolded state of the individual package,
The individual package of the absorbent article is provided with a fold line extending along the width direction, and is provided with a fold line.
The absorbent article is provided with a volatile component-containing region containing a volatile component at least at the end on the one-way side of the fold line.
In individual packaging
The absorbent article is folded at least by the fold line with the skin facing surface side inside.
Both ends of the airtight packaging member in the width direction are closed.
The unidirectional end of the airtight packaging member is fixed to the facing surface of the airtight packaging member facing each other.
An individual package of an absorbent article, wherein the end portion of the airtight packaging member includes a gas communication portion that communicates with the inside and the outside of the individual package.

(effect)
According to the first aspect of the present invention, the individual package of the absorbent article is provided with a fold line extending along the width direction in the unfolded state, and the absorbent article is one in the longitudinal direction from the fold line. A volatile component-containing region containing a volatile component is provided at the end on the directional side, and in the individually packaged state, the end on the one-way side of the airtight packaging member faces the airtight packaging member. Since it is fixed to the surface, the volatile component is released around the individual package of the absorbent article through the gas communication part, and the user is volatile before opening the individual package of the absorbent article. The presence of ingredients can be perceived.
Further, since the individual package of the absorbent article is provided with the airtight packaging member and both ends of the airtight packaging member are closed in the width direction, the volatile component contained in the absorbent article is the absorbent article. It is difficult for a large amount to be released to the outside of the individual package. Therefore, the presence of volatile components contained in the absorbent article can be perceived even when the individual package is opened during use.

[Aspect 2]
(Constitution)
In the above individually wrapped state
The individual package has one surface defined by the longitudinal direction and the width direction, and the other surface forming the opposite surface of the one surface.
The gas communication part is arranged on one side of the gas,
The individual packaging of the absorbent article according to the first aspect, wherein the volatile component-containing region is arranged at least on one side of the individual packaging of the absorbent article with respect to the center line in the thickness direction. body.

(effect)
According to the second aspect of the present invention, in the individually packaged state, the gas communicating portion and the volatile component-containing region are arranged on the same side in the thickness direction, so that the gas communicating portion The volatile component is easily released around the individual package of the absorbent article, and the user is likely to perceive the presence of the volatile component before opening the individual package of the absorbent article.

[Aspect 3]
(Constitution)
In the above expanded state
The individual package of an absorbent article according to the first or second aspect, which has an additional volatile component-containing region on the other direction side of the folding line in addition to the volatile component-containing region.

(effect)
According to the third aspect of the present invention, in addition to the volatile component-containing region, in the unfolded state of the individual package, an additional volatile component-containing region is provided on the other side of the folding line, so that the product can be used as an absorbent article. The sustainability of the volatile components contained is further enhanced.

[Aspect 4]
(Constitution)
The first to third aspects, wherein the absorbent article contains an additional functional agent other than the volatile component, and the volatile component evokes a sensation corresponding to the function of the additional functional agent. The individually wrapped body of the absorbent article according to any one aspect.

(effect)
According to a fourth aspect of the present invention, the absorbent article contains an additional functional agent in addition to the volatile component, and the volatile component evokes a sensation corresponding to the function of this additional functional agent. The function of the additional functional agent can be estimated by the user perceiving the presence of volatile components before opening the individual packaging of the absorbent article.

[Aspect 5]
(Constitution)
The individual package of an absorbent article according to the fourth aspect, wherein the volatile component is a fragrance.

(effect)
According to the fifth aspect of the present invention, since the volatile component is a fragrance, the presence of the volatile component can be perceived through the sense of smell.

[Aspect 6]
(Constitution)
The individual package of an absorbent article according to the fifth aspect, wherein the additional functional agent is a cooling sensation agent, and the fragrance brings about an odor corresponding to the cooling sensation.

(effect)
According to the sixth aspect of the present invention, when the additional functional agent is a cooling sensation agent, the odor corresponding to the cooling sensation is provided as a volatile component that induces a sensation corresponding to the function of the additional functional agent. You can choose the fragrance.

[Aspect 7]
(Constitution)
The individual package of an absorbent article according to the fifth aspect, wherein the additional functional agent is a warming agent, and the fragrance brings about an odor corresponding to the warmth.

(effect)
According to the seventh aspect of the present invention, when the additional functional agent is a warming agent, it brings about a warm feeling and an odor corresponding to the warmth as a volatile component that induces a sensation corresponding to the function of the additional functional agent. You can choose the fragrance.

[Aspect 8]
(Constitution)
In the above expanded state
The individual package of an absorbent article according to any one of the fourth to seventh aspects, wherein the volatile component-containing region and the region containing the additional functional agent are different in the plane direction.

(effect)
According to the eighth aspect of the present invention, in the developed state, the volatile component-containing region and the region containing the additional functional agent are different in the plane direction, so that the volatile component and the additional functional agent are different from each other. , Hard to interfere with each other.

[Aspect 9]
(Constitution)
In the above expanded state
The individual of the absorbent article according to any one of the fourth to eighth aspects, wherein the position containing the volatile component and the position containing the additional functional agent are different in the thickness direction. Packaging body.

(effect)
According to the ninth aspect of the present invention, in the developed state, the position containing the volatile component and the position containing the additional functional agent are different in the thickness direction, so that the volatile component and the additional function are different. The agents do not easily interfere with each other.

[Aspect 10]
(Constitution)
In the above expanded state
The number of the fold lines extending along the width direction is at least two, and two additional fold lines extending along the longitudinal direction are provided.
In the above individually wrapped state
The individual package of the absorbent article according to any one of the first to ninth aspects, wherein the absorbent article is folded by the additional fold line and then folded by the fold line. ..

(effect)
According to the tenth aspect of the present invention, in the unfolded state, the individual package of the absorbent article has at least two fold lines extending along the width direction and extends along the longitudinal direction 2. The individually wrapped body of the absorbent article is provided with additional fold lines of the book and in the individually wrapped state, the absorbent article is folded by at least two fold lines and two additional fold lines. When the individual package of the absorbent article is held by the palm of one hand, the individual package of the absorbent article is easily pressed, and the air inside the individual package of the absorbent article is released to the surroundings through the gas communication portion. Immediately before opening the individual package, the user can easily perceive the presence of volatile components contained in the absorbent article.

[Aspect 11]
(Constitution)
In the above individually wrapped state
The individual package of an absorbent article according to the tenth aspect, wherein the dimension in the longitudinal direction is longer than the dimension in the width direction.

(effect)
According to the eleventh aspect of the present invention, in the individual package state, the dimension in the longitudinal direction is longer than the dimension in the width direction, so that when the individual package of the absorbent article is held by the palm of one hand. Even if the individual package of the absorbent article is pressed in the lateral direction, the gas communication portion extending along the width direction is not easily blocked, and the user is volatile before opening the individual package of the absorbent article. It is easy to perceive the existence of ingredients.

[Aspect 12]
(Constitution)
In the above expanded state
The individual package of the absorbent article according to the tenth or eleventh aspect, wherein the basis weight on the one-way side of the absorbent article is smaller than the basis weight on the other-direction side.

(effect)
According to the twelfth aspect of the present invention, the basis weight of the absorbent article in one direction in the longitudinal direction is smaller than the basis weight in the other direction, so that the absorbent article is in the state of an individual package. The unidirectional side in the longitudinal direction where the volatile component-containing region is arranged is likely to be compressed, and the presence of the volatile component contained in the absorbent article is detected by the user before opening the individual package of the absorbent article. It is easy to perceive the presence of volatile components.

[Aspect 13]
(Constitution)
In the above expanded state
The absorbent article has a wide portion at the one-way end.
The volatile component-containing region is arranged in the wide portion.
The individual package of an absorbent article according to any one of the tenth to twelfth aspects, wherein the end portion of the wide portion in the width direction extends beyond the additional folding line.

(effect)
According to the thirteenth aspect of the present invention, the absorbent article has a wide portion at one end, and the volatile component-containing region is arranged in this wide portion, and in the width direction of the wide portion. Since the end extends beyond the additional fold line, the volatile component content range when the individually wrapped body of the absorbent article is in the individually wrapped state and folded at the additional fold line. The wide portions facing each other on the skin are opposed to each other, and volatile components are unlikely to adhere to the airtight packaging member.

[Aspect 14]
(Constitution)
A package that contains a plurality of individual packages of the absorbent article according to any one of the first to thirteenth aspects and has a ventilation portion.

(effect)
According to the fourteenth aspect of the present invention, a package containing a plurality of individual packages of absorbent articles has a ventilation portion, so that the package can be a user even when the package is displayed in a store. It is easy for a person to perceive the presence of volatile components contained in an absorbent article.

Hereinafter, preferred embodiments of individual packages of the absorbent articles of the present invention will be described in detail with reference to the drawings. In this specification, unless otherwise specified, "an object placed on a horizontal plane (for example, an individual package, an absorbent article, etc.) is viewed from the upper side in the vertical direction in the thickness direction of the object. That is simply called "planar view".

[Various definitions]
Unless otherwise specified, the various directions and the like used in the present specification are as follows.
In the present specification, the "longitudinal direction" refers to the "long direction of the length of the absorbent article in the unfolded state in the plan view", and the "width direction" is the "length of the absorbent article in the unfolded state in the plan view". The "short direction" and the "thickness direction" refer to the "direction perpendicular to the unfolded absorbent article placed on the horizontal plane", and these directions are orthogonal to each other.
In the present specification, the "end" in the longitudinal direction or the width direction means "an object in a plan view (for example, an individual package, an absorbent article in an unfolded state, various constituent members of the absorbent article, etc.)". A portion that fits in 33% of each end in the longitudinal direction or the width direction. "
In this specification, when referring to "longitudinal direction", "width direction", and "thickness direction" with respect to an object other than the absorbent article in the unfolded state, such as an individual package of the absorbent article, these Is parallel to the longitudinal direction, the width direction, and the thickness direction of the absorbent article in the unfolded state.
Further, in the present specification, "an axis located at the center of a vertically long object in the width direction and extending in the longitudinal direction" is referred to as "a central axis in the longitudinal direction" of the object, and "longitudinal of the vertically long object". The "axis located in the center of the direction and extending in the width direction" is referred to as the "center axis in the width direction" of the object.
Further, in the present specification, "in the longitudinal direction of the absorbent article, one direction in the longitudinal direction which is relatively proximal to the wearer's abdomen when the wearer wears the absorbent article". The "forward direction of the absorbent article" and "the other direction in the longitudinal direction of the absorbent article, which is relatively proximal to the back of the wearer", are referred to as "the posterior direction of the absorbent article".
In addition, when referring to "forward" and "rearward" with respect to an object other than the unfolded absorbent article such as an individual package of the absorbent article in the present specification, these are the absorption in the unfolded state. It is assumed that the anterior and posterior directions of the sex article are the same and parallel to each other.
In the present specification, unless otherwise specified, in the thickness direction of the absorbent article in the unfolded state, "when the absorbent article is worn, it is located relatively proximal to the wearer's skin surface". The "surface" is referred to as a "skin facing surface", and the "surface located relatively distal to the wearer's skin surface when wearing an absorbent article" is referred to as a "non-skin facing surface".
In addition, in this specification, "user" includes a person who actually wears an absorbent article (that is, a wearer), and a person who wears an absorbent article on another person (for example, a caregiver). ..

[Individual packaging]
FIG. 1 is a perspective view of an individual package 10 formed by folding the sanitary napkin 1 according to the present embodiment, which is an example of an absorbent article of the present invention, and FIG. 1 (a) shows the individual package 10 in the longitudinal direction. is a perspective view seen from the first surface S ₁ side of the one surface defined by D _L and the width direction D _W, as (b), the other surface constituting the opposite side of the individual package 10 one surface it is a perspective view seen from the second surface S ₂ side. Further, FIG. 2 is a plan view of the sanitary napkin 1 as viewed from the surface sheet 2 side in the thickness direction _DT in the unfolded state.
As shown in FIGS. 1 and 2, the individual package 10 according to this embodiment includes the airtight packaging member fixed to the non-skin-facing side S _B of the sanitary napkin 1. Then, the sanitary napkin 1 and airtightness packaging member, widthwise first fold line LL ₁ and the width direction second fold line LL 2 extending along the width direction D _W, and longitudinally extending along the longitudinal direction D _L A first fold line LW ₁ and a second fold line LW _{2 in} the longitudinal direction are provided, and the fold lines of the sanitary napkin 1 are arranged in the longitudinal direction _DL and the width direction D _W so that the skin facing surface S _F is inside. Each is formed by folding in three. More specifically, as will be described later, the sanitary napkin 1 is folded by the first fold line LW _{1 in the} longitudinal direction and the second fold line LW _{2 in} the longitudinal direction, and the first fold line LL ₁ in the width direction and It is folded by the second folding line LL _{2 in} the width direction. Then, as shown in FIG. 1, the individual package 10 has a flat substantially rectangular parallelepiped outer shape in which both ends of the airtight package member in the width direction D _W are closed, and the airtight package member. The end portion on the forward _DF side is fixed to the facing surface of the airtight packaging member facing each other by the lead tape 12 arranged so as to straddle the end portion and the other portion, and the folded sanitary napkin is folded. The individually wrapped state of the napkin 1 is maintained. The end portion of the airtight packaging member comprises a gas communicating section 13 for communicating the inside and outside of the individual package 10, the gas communication portion 13 is disposed on the first surface S ₁ side.

By adopting such a configuration, the fragrance described later contained in the sanitary napkin 1 is released around the individual packaging body 10 via the gas communication portion 13, so that the user can use the individual packaging body 10 The presence of fragrance can be perceived before opening. Further, since the individual packaging body 10 is provided with the airtight packaging member and both ends of the airtight packaging member are closed in the width direction, the volatile components contained in the absorbent article are outside the individual packaging body 10. It is difficult to release a large amount of it. Therefore, the presence of the volatile component contained in the sanitary napkin 1 can be perceived even when the individual package 10 is opened at the time of use. In the present invention, the airtight films in the airtight packaging member, which form the end portion on the one-way side of the fold line and are in contact with each other, are bonded to each other by using an adhesive. , They may be joined to each other to provide a joining region. In the gas communication portion in the present invention, it is sufficient that at least a part of the airtight films facing each other is formed to communicate with each other inside and outside the individual package, for example, with the naked eye from the outside of the individual package. Even if the gas communicating portion cannot be visually recognized, it is sufficient that the portion communicating with the inside and the outside of the individual package is formed to the extent that the presence of the volatile component can be perceived in the individually packaged state.

Further, in the present embodiment, the dimension in the longitudinal direction D _L of the individual packaging body 10 is longer than the dimension in the width direction D _W. Thus, when holding the individual packaging body 10 in the palm of one hand, be individual packaging body 10 is squeezed in the width direction D _W, described above, the gas communication portion 13 extending along the width direction D _W is closed It is difficult for the user to perceive the presence of the volatile component before opening the individual package 10.

Furthermore, individual packaging body 10 in the longitudinal direction D _L and the width direction D _W is, although each is folded to correspond to the longitudinal direction D _L and the width direction D _W of the sanitary napkin 1 of a developed state, the The invention is not limited to such a folded form.

In the another aspect of the present invention, the sanitary napkin may not have a first longitudinal fold line LW ₁ and second longitudinal fold line LW ₂ extending along a longitudinal direction D _L, folding method of the sanitary napkin is also folded into a three-fold in the longitudinal direction D _L, may not be folded in the width direction D _W. In this case, in order to close both ends of the airtight packaging member in the width direction D _W, the both ends may be sealed with a heat seal or an adhesive. Further, the number of folding lines extending in the width direction D _W does not have to be two, and may be, for example, one or three or more. Further, in the absorbent article of the present invention, the number of folding lines extending along the width direction D _W may exceed two, and may be, for example, three or four or more. In this case, the absorbent article of the present invention is folded in quarto or more longitudinally D _L.

Hereinafter, the absorbent article that can be used for the individual package of the present invention will be described in more detail using the above-mentioned sanitary napkin 1.

[Absorbent article]
FIG. 3 is a plan view of the sanitary napkin 1 as viewed from the back surface sheet 3 side in the thickness direction _DT in the unfolded state. As shown in FIGS. 2 and 3, the sanitary napkin 1 has a vertically long outer shape having a longitudinal direction _DL and a width direction D _W in a plan view, and further, a center of the width direction D _W. Both ends of the width direction D _W of the sanitary napkin 1 project outward at the end of the direction _DF in front of the axis C _W, so that the dimension of the width direction D _W is compared with the surroundings. A wide portion 20 that has become wider is provided. In the predetermined position in the direction D _B after the sanitary napkin 1, and each of the one side end and the other end in a width direction D _W of the sanitary napkin 1 toward the outer side in the width direction D _W It has a pair of flap portions 6 and 6 protruding in a substantially trapezoidal shape.

In the present invention, the outer shape of the absorbent article includes a shape in which a wide portion 20 is provided at an end portion in the front direction _DF of the central axis C _{W in} the width direction D _W , and a pair of flap portions 6. , is not limited to the shape having a 6, the end portion of the rear direction D _B than the center axis C _W in the width direction D _W, and the shape of the wide portion is provided, a pair of flaps The shape may not have 6 and 6. Further, as the overall shape of the absorbent article, an arbitrary vertically long shape (for example, a rectangle, an ellipse, an hourglass, etc.) can be adopted according to various uses and the like.

4, the sanitary napkin 1 is an end view of a cross-section along the central axis C _L extending in the longitudinal direction D _L. Sanitary napkin 1 described above, as shown in FIG. 4, in the thickness direction D _T, a liquid permeable topsheet 2 to form the skin-facing surface S _F of the sanitary napkin 1; of the sanitary napkin 1 Non a liquid impermeable back sheet 3 forming the skin-facing surface S _B; and the absorber 4 of the water-absorbing located between these two sheets; in the wide portion 20 located in the forward direction D _F of the sanitary napkin 1 An absorption layer 21 located between the front surface sheet 2 and the back surface sheet 3 and containing a fragrance as a volatile substance is provided as a main constituent member.

Further, the sanitary napkin 1, as shown in FIG. 2, has a pair of side sheets 5 and 5 respectively extending in the longitudinal direction D _L at both ends in the width direction D _W. Furthermore, as shown in FIG. 3, the sanitary napkin 1, in the non-skin-facing side S _B of the backsheet 3, and a fixing adhesive portion of the second adhesive portion of the present invention. More specifically, the absorber 4 and the thickness direction D duplicate _T to and longitudinally D _L garment fixing adhesive portion 7 which is arranged in a plurality of strip-shaped form extending in; a pair of flap portions 6, 6 located in the forward direction D _F of the sanitary napkin 1; each of the non-in-skin-facing surface S _B and a plurality of strip-shaped pair arranged in the form of a flap portion fixing adhesive portion 71, 71 extending in the longitudinal direction D _L in both end portions in the width direction D _W at the wide portion 20 which, a plurality of strip-shaped pair of front direction adhesive portion arranged in the form 72, 72 extending in the longitudinal direction D _L, and includes as a constituent member.

Further, as shown in FIG. 2, the above-mentioned sanitary napkin 1 is arranged in the width direction D _W so as to pass through the longitudinal front end portion located at the most anterior _DF of the sanitary napkin 1 in a plan view. extending forward end virtual line LE _1, and a rear end virtual line LE ₂ extending in the width direction D _W to pass through the post longitudinal direction end portion located at the most backward D _B of the sanitary napkin 1, further , between which the front end virtual line LE ₁ and the rear end virtual line LE _2, the wide portion 20 having the absorbent layer 21 comprising a fragrance in the forward direction D _F in the longitudinal direction D _L, after the wide portion 20 adjacent to direction D _B, to absorb liquid excreta such as menstrual blood discharged from the wearer, and a absorption region 30 comprising an absorbent body 4.

As shown in FIGS. 2 and 4, the absorption layer 21 is arranged adjacent to the forward direction _DF of the absorber 4, and the absorber 4 of the absorption region 30 is located in the wide portion 20. In the absorption region 30, the absorption layer 21 of the wide portion 20 extends beyond the boundary of these regions, and further extends with the wide portion 20 in the absorption region 30. The adjacent portion has an overlapping portion 40 in which the absorber 4 relatively located on the skin-facing surface side and the absorbing layer 21 relatively located on the non-skin facing surface side overlap in the thickness direction _DT. There is. Since the absorber 4 and the absorption layer 21 are partially overlapped in such a form, the overlapping portion 40 has an action of absorbing the liquid excrement discharged from the wearer as a main action. However, in the present invention, the absorber and the absorption layer do not have to overlap each other to form an overlapping portion.

The absorption area 30 is adapted to position at a substantially central portion of the absorbent region 30 in the longitudinal direction D _L, the duplicate pair of flap portions 6, 6 and the width direction D _W, a wearer of the sanitary napkin 1 excretion facing region facing the excretory opening of the; the direction absorption region after adjacent in the direction D _B after the excretion opposing region; forward absorption region and adjacent to the forward direction D _F of the excretion portion facing region It can be divided into three areas.

Then, the sanitary napkin 1 described above, as shown in FIG. 2, in plan view, for three fold the sanitary napkin 1 in the width direction D _W, a first longitudinal extending along a longitudinal direction D _L fold line LW 1 _(phantom) and a second longitudinal fold line LW 2 and _(phantom); for three fold the sanitary napkin 1 in the longitudinal direction D _L, a width direction extending along the widthwise direction D _W It has one fold line LL ₁ (virtual line) and a second fold line LL ₂ (virtual line) in the width direction. The sanitary napkin 1 is folded in three by the _first longitudinal fold line LW ₁ and the second longitudinal fold line LW ₂ so that the skin-facing surface _SF is on the inside together with the fixed individual wrapping sheet 11. After that, it is folded in three by the first fold line LL _{1 in the} width direction and the second fold line LL _{2 in} the width direction to form the above-mentioned individual package 10.

Such sanitary napkin 1 constructed, when worn, the non-skin-facing side S _B of the sanitary napkin 1, Suit fixing adhesive portion 7, and via a pair of forward bonding portions 72 After being attached to the inner surface of the user's clothing (for example, underwear, etc.), the pair of flap portions 6 and 6 are folded back to the outer surface side of the clothing, respectively, and the clothing is attached via the pair of flap portion fixing adhesive portions 71 and 71. By sticking it on the outer surface, it is fixed to the wearer's clothes.
In the present invention, having the pair of flap portions is not an indispensable constituent requirement, so it is not always necessary to have such flap portions depending on the form of the absorbent article and the like.

Hereinafter, various constituent members of the absorbent article that can be used in the individual package of the present invention will be described in more detail using the above-mentioned sanitary napkin 1.

[Absorption layer]
In the above-mentioned sanitary napkin 1, as shown in FIG. 2, the absorption layer 21 is located at least in the front direction _DF of the sanitary napkin 1 in a plan view, and the dimension of the width direction D _W is compared with the surroundings. The wide portion 20 that has become larger has a predetermined outer shape that extends over a wide range in the longitudinal direction _DL and the width direction D _W. As shown in FIG. 4, such an absorption layer 21 is arranged between the front surface sheet 2 and the back surface sheet 3 described later in the thickness direction _DT of the sanitary napkin 1, and contains a fragrance described later as a volatile component. It is formed by a sheet-like member including.

The sheet-like member forming the absorption layer 21 is composed of a base material capable of retaining a fragrance as a volatile component. In the present invention, the wide portion is not limited to the one in which the absorption layer containing the fragrance is arranged, and the absorption layer not containing the fragrance may be arranged between the front surface sheet and the back surface sheet. In that case, the fragrance as a volatile component may be contained in other members constituting the absorbent article such as a surface sheet.

In the present embodiment, the base material capable of retaining the fragrance is generally not particularly limited as long as it can retain the fragrance in a liquid state in the manufacturing process, and is, for example, a cloth (for example, non-woven fabric, woven fabric). , Knitted fabric, etc.), porous resin sheet (for example, sponge sheet, etc.) and the like. Such a base material does not have to be used alone as a base material for an absorption layer, and may be used in combination with other constituent members (for example, a front surface sheet, a back surface sheet, an intermediate sheet, a core wrap sheet, etc.). Good. Incidentally, the basis weight of the absorbent layer 21 is smaller than the basis weight of the absorbent core 4 to be described later, thereby, in the deployed state, the basis weight of the front direction D _F side of the sanitary napkin 1, the rear direction D _B It is smaller than the basis weight on the side. As a result, when the individual package 10 is gripped with the palm of one hand, the front _DF side on which the fragrance-containing region described later is arranged is likely to be pressed toward the width D _W , and is included in the sanitary napkin 1. The fragrance is easily released to the outside of the individual package 10, and the user can easily perceive the presence of the fragrance before opening the individual package 10.

(Volatile component-containing area)
The sanitary napkin 1 is provided with a fragrance-containing region 20 containing a fragrance as a volatile component at the end on the _DF side in the front direction of the first folding line LL _{1 in} the width direction, and more specifically. , The absorption layer 21 contains a fragrance. By using a fragrance as a volatile component, the presence of the fragrance can be perceived through the sense of smell when the individual package 10 is grasped by the palm of one hand.
Here, in the individually packaged state, the perfume-containing region 20 is arranged at _least on the first surface S1 side of the center line in the thickness direction _DT of the individual package 10, and as described above, the gas communication portion 13 is also arranged. It is disposed on the first surface S ₁ side. Therefore, the fragrance is easily released around the individual packaging body 10 through the gas communication portion 13, and the user can easily perceive the presence of the fragrance before opening the individual packaging body 10. The above-mentioned fragrance-containing region 20 also extends to the rear end side of the first folding line LL _{1 in} the width direction, which forms an additional volatile component-containing region. By providing the sanitary napkin 1 with an additional volatile component content range, the persistence of the fragrance contained in the sanitary napkin 1 is further enhanced. However, in the present invention, the sanitary napkin 1 does not have to have an additional volatile component-containing region, and an additional fragrance-containing region that is not continuous with the fragrance-containing region 20 provides an additional volatile component-containing region. It may be configured. Further, the fragrance used in the present invention is preferably a fragrance that is liquid during the production of the absorbent article, but is not limited to the fragrance that is liquid during the production of the absorbent article, and is, for example, a solution, a solid, or a semi. It may be a solid fragrance.

In the present embodiment, the sanitary napkin 1 contains a warming agent as an additional functional agent described later in addition to the perfume, and the perfume provides an odor corresponding to the function of the warming agent. Thereby, the user can estimate the function of the warming agent, which is an additional functional agent, by perceiving the presence of the fragrance before opening the individual package 10. Examples of the fragrance that brings about the odor corresponding to the function of the warming agent include fragrances that bring about the scent of plants that cause a feeling of warmth when they come into contact with the skin and mucous membranes. For example, linalool that brings about a ginger-like scent. , Geraniol, geraniol, neral, borneol, isoborneol, 1,8-cineol, 4-terapineol, geranyl acetate, 2-pinene-5-ol, (E) -2-octenal, (E) -2-decenal, (E) ) -2-Dodecenal and the like can be mentioned. Examples of the fragrance that brings about the scent corresponding to the function of the warming agent include the fragrance that brings about the scent of a plant that evokes a feeling of warmth. For example, d-limonene, (6S) that brings about a yuzu-like scent. -Methyloctanal, (8S) -Methyldecanal, Trans-4,5-epoxy-2E-Desenal, (6Z, 8E) -Undeca-6,8,10-Triene-3-one, etc .; Hinoki-like fragrance Hinoki oil, hinokitiol, phytoncide, α-pinene and the like can be mentioned. Other fragrances include fragrances that bring about a lotus flower-like fragrance. As will be described later, in the present invention, the additional functional agent is not limited to the warming agent. For example, when the additional functional agent is a cooling sensation, the fragrance that brings about the odor corresponding to the function of the cooling sensation includes a fragrance that brings about the odor of a plant that causes a cooling sensation when it comes into contact with the skin or mucous membrane. Menthone, menthyl acetate and the like, which can provide a mint-like aroma, can be mentioned. Further, when the additional functional agent is an antibacterial agent, the fragrance that brings about the odor corresponding to the function of the antibacterial agent may include a fragrance that brings about the odor of a plant whose antibacterial function is widely known. Examples thereof include green leaf alcohol, linalool, and geraniol, which bring about a leaf-like scent of (brown).

In the present invention, as the outer shape, various dimensions, basis weight, etc. of the absorption layer, any outer shape, various dimensions, basis weight, etc. can be adopted according to the type and arrangement form of the functional agent. The properties of the functional agent are not particularly limited, and may be, for example, a solution containing the active ingredient, a solid component that can be applied, or a liquid effective substance. It may be composed of components or may be a volatile component.

Such a liquid-permeable sheet-like member is not particularly limited as long as it has various properties (for example, liquid permeability, touch, flexibility, strength, etc.) that can be used as a surface sheet of an absorbent article. For example, various non-woven fabrics such as air-through non-woven fabric, spunlace non-woven fabric, spunbond non-woven fabric, point-bond non-woven fabric, and porous resin film can be used. Further, the structure of the sheet-like member is not particularly limited, and in addition to the flat non-perforated sheet-like structure, various sheet-like structures such as a flat sheet-like structure having a plurality of openings and an uneven structure are adopted. be able to.

When a non-woven fabric is used as the surface sheet, the type of constituent fibers is not particularly limited, and for example, cellulosic fibers or hydrophilic resin fibers subjected to hydrophilic treatment (for example, olefin-based resin subjected to hydrophilic treatment). , Polyester resin, etc.) and other hydrophilic fibers. These fibers may be used alone or in combination of two or more kinds of fibers.

(Functional agent)
The sanitary napkin 1 contains a functional agent in addition to the above-mentioned fragrance, and examples of the functional agent include a warming agent. In the present embodiment, the functional agent is applied to the non-skin-facing surface S _B side of the topsheet 2. The warming agent used as a functional agent dissolves the warming component that stimulates the warming sensory receptor of the wearer's skin without generating heat by itself and makes the wearer perceive warmth, and the warming component. It contains a solvent component to be caused.
In the sanitary napkin 1 described above, warming agents, in plan view, it has been included in the substantially entire non-skin facing surface S _B side of the surface sheet 2 of the wide portion 20, a predetermined warming It may be contained in a part (for example, only the central part) as long as it can exert a function.

As described above, since the fragrance is contained in the absorption layer 21 arranged in the wide portion 20, the functional agent is contained in the surface sheet 2, so that the fragrance is applied in the unfolded state of the sanitary napkin 1. The position where the functional agent is contained and the position where the functional agent is contained are different in the thickness direction _DT . Therefore, the fragrance and the functional agent are less likely to interfere with each other, and the fragrance and the functional agent can fully exert their respective functions. However, in the present invention, the position containing the fragrance and the position containing the functional agent are not limited to different aspects in the thickness direction _DT , and in the developed state, the volatile component-containing region and the addition. the functional agent and the region containing the or different in the planar direction, may be different in both the thickness direction D _T and the planar direction, are duplicated in the thickness direction D _T and / or plane direction You may.

In the sanitary napkin 1 described above, be applied to the non-skin-facing surface S _B side of the topsheet 2 warming agents, warming agents, skin-facing surface of the topsheet 2 when worn sanitary napkin 1 S _Since it can penetrate the _F side and come into contact with the skin of the wearer's lower abdomen, the warming component of the warming agent stimulates the thermal sensory receptor of the skin to give the wearer a warm feeling. Can be granted.
By warming the wearer's lower abdomen, that is, the part near the wearer's uterus in this way, the wearer's menstrual pain can be alleviated, and symptoms such as premenstrual syndrome, poor circulation, and menopause can be alleviated. It is expected.
In the present invention, the position of the _{DT in} the thickness direction in which the additional functional agent is placed is not particularly limited as long as the warming agent can come into contact with the wearer's skin when wearing the absorbent article.

The warming component contained in the warming agent is preferably a plant-derived compound from the viewpoint of giving a sense of security to the user, for example, capsaicins, vanillyl alcohol alkyl ether derivatives (for example, vanillyl ethyl). Ether, vanillyl butyl ether, vanillyl pentyl ether, vanillyl hexyl ether, etc.), ginger extract, ginger oil and the like. Among these compounds, it is preferable to use vanillyl alcohol alkyl ether derivative, ginger extract, ginger oil and the like from the viewpoint of skin irritation. In addition, these compounds may be used alone or in combination of 2 or more types.

Further, when the warming agent is applied to a base material by coating or the like, a solvent component capable of dissolving or dispersing the warming component may be used together with the warming component, and as such a solvent component. For example, a lipophilic solvent, a hydrophilic solvent and the like can be mentioned.
Examples of the lipophilic solvent include fats and oils such as natural oils (for example, fatty acid esters such as triglycerides, coconut oil, linseed oil and the like) and hydrocarbons (for example, paraffin and the like). On the other hand, examples of the hydrophilic solvent include water and alcohol, and examples of the alcohol include lower alcohols (for example, methanol, ethanol, ethylene glycol, glycerin, etc.) and higher alcohols (for example, capryl alcohol). , Lauryl alcohol, etc.) and the like.
Among these solvents, it is preferable to use a lipophilic solvent such as fat or oil or alcohol because it is easy to control the volatility, and further, it is easy to maintain the absorption performance of the absorbent article. It is more preferable to use an oily solvent.
In addition, such a solvent may stay in the application site in a state where the solvent is solidified or semi-solidified after being applied to the base material, or the solvent may be volatilized and only the solute remains.

Further, when the warming agent contains a solvent, the concentration of the warming component in the warming agent is preferably 0.0001% by mass or more and 5.0% by mass or less, more preferably, from the viewpoint of the warming effect. Is 0.0005% by mass or more and 3.0% by mass or less, and more preferably 0.1% by mass or more and 1.0% by mass or less.

In the present invention, the functional agent is not limited to the above-mentioned warming agent, and any functional agent according to a desired action can be adopted. Examples of such functional agents include cooling sensation agents, exothermic agents, agents (for example, skin astringents, anti-inflammatory agents, antibacterial agents, pH adjusters, moisturizers, etc.). In these functional agents, for example, in a plan view, one kind of functional agent (for example, a warming agent) is arranged in a part of the absorption layer, and another kind of functional agent (for example, for example) is arranged in another part. It may be used in combination in the form of arranging a cooling agent).

In the present invention, the cooling sensation agent that can be used as the functional agent contains a cooling sensation component that stimulates the cooling sensation receptor of the wearer's skin without absorbing heat and causes the wearer to perceive the cooling sensation. It may contain a solvent component that dissolves or disperses the cooling sensation component, if necessary. Examples of the cooling sensation component include menthol (for example, l-menthol, etc.); menthol derivative (for example, menthyl lactate, menthylglyceryl ether, etc.); methyl salicylate; essential oil derived from plants such as mint and eucalyptus. As the solvent component that may be contained in the cooling sensation agent, the same solvent component as that that may be contained in the warming sensitizer can be used.

Further, when the cooling sensation agent contains a solvent, the concentration of the cooling sensation component in the cooling sensation agent is preferably 0.0001% by mass or more and 5.0% by mass or less from the viewpoint of the cooling sensation effect, which is more preferable. Is 0.0005% by mass or more and 3.0% by mass or less, and more preferably 0.1% by mass or more and 1.0% by mass or less.

In the present invention, the heat-generating agent that can be used as the functional agent has an action of warming the wearer's skin by generating heat by itself, and for example, heat of oxidation of a metal powder such as iron powder, acid or alkali. Examples include those that utilize chemical energy such as heat of neutralization and heat of hydration of inorganic salts. The exothermic agent may be used by being dissolved or dispersed in a solvent component or a dispersion medium.

In the present invention, the agent that can be used as the functional agent has a predetermined pharmacological action on the skin of the wearer, and examples thereof include a skin astringent, an anti-inflammatory agent, an antibacterial agent, a pH adjuster, and a moisturizer. Be done.
Examples of the skin astringent include zinc oxide, aluminum sulfate, tannic acid, oil-soluble polyphenols (for example, hypericum extract, hypericum erectum extract, chamomile extract, white birch extract, biwa leaf extract, bodaiju extract, hop extract, etc.). Examples include those containing.
Examples of the anti-inflammatory agent include naturally occurring anti-inflammatory components (eg, button extract, otogirisou extract, chamomile extract, yomogi extract, perilla extract, etc.) and synthetic anti-inflammatory components (eg, allantoin, dipotassium glycyrrhizinate, etc.). Examples include those containing anti-inflammatory components.
Examples of the antibacterial agent include naturally derived antibacterial components (for example, Oubaku extract, olive leaf extract, chamomile extract, bear zasa extract, sansho extract, perilla extract, dokudami extract, hop extract, eucalyptus extract, yomogi extract, etc.) and synthetic. Examples thereof include those containing an antibacterial component such as an antibacterial component (for example, ethylhexyl glycerin).
Examples of the pH adjuster include those containing a weakly acidic component for keeping the skin weakly acidic, such as malic acid, succinic acid, citric acid, tartaric acid, and lactic acid.
Examples of the moisturizer include those containing moisturizing components such as polyhydric alcohols (for example, glycerin, propylene glycol, butylene glycol, sorbitol, etc.), urea, and emollient components (for example, petrolatum, etc.).

In the present invention, as the content (basis weight) of the functional agent in the surface sheet, a predetermined content can be adopted according to the type of the functional agent and the like. For example, when a warming agent or a cooling sensation agent is used as the functional agent, the functional agent has a basis weight of the warming component or the cooling sensation component as an active ingredient, preferably 0.001 g / m ² or more and 10 g / g. The surface sheet is coated with a basis weight of m ² or less, more preferably 0.003 g / m ² or more and 5 g / m ² or less, and further preferably 0.01 g / m ² or more and 2.5 g / m ² or less. be able to.

In the present invention, as the outer shape, various dimensions, basis weight, etc. of the surface sheet, any outer shape, various dimensions, basis weight, etc. can be adopted according to desired liquid permeability, touch, flexibility, and the like.

[Absorber]
In the above-mentioned sanitary napkin 1, as shown in FIG. 2, the absorber 4 has a longitudinal direction _DL and a width direction centered on a substantially central portion of the area facing the excretion port of the sanitary napkin 1 in a plan view. with a wide range extending in D _W, it has a longitudinal D _L elongated outer shape having both ends protruding to respectively draw an arc toward the outer side in the longitudinal direction D _L of. As shown in FIG. 4, the absorber 4 is arranged between the front surface sheet 2 and the back surface sheet 3 in the thickness direction _DT of the sanitary napkin 1, and is a liquid such as menstrual blood that has permeated the front surface sheet 2. It is formed by a water-absorbing member having predetermined water-absorbing and liquid-retaining properties capable of absorbing and holding excrement.

Such a water-absorbent member is not particularly limited as long as it can absorb and retain liquid excrement such as menstrual blood discharged from the wearer, and any water-absorbent member known in the art is adopted. be able to. Examples of such a water-absorbent member include those in which at least one absorbent core made of an arbitrary water-absorbent material is covered with a hydrophilic core wrap sheet such as a tissue. Here, examples of the water-absorbent material constituting the absorbent core include hydrophilic fibers and highly absorbent polymers, and more specifically, cellulosic fibers such as crushed pulp, cotton, rayon, and acetate; acrylic. Granules made of highly absorbent polymers such as sodium acid copolymers; and mixtures thereof.

Incidentally, the sanitary napkin 1, by having a wide portion 20, relative to the size of the longitudinal direction D _L of the absorber 4, the dimensions of the longitudinal direction D _L of the sanitary napkin 1, a relatively large It has become. Thus, the largest dimension of the longitudinal direction of the absorbent body 4, with respect to the longitudinal direction of the largest dimension of the absorbent body 4, relatively smaller, to the maximum dimension of the longitudinal direction D _L of the absorbent core 4, the backsheet 3 the ratio of the largest dimension of the longitudinal direction D _L is, to the maximum dimension of the width direction D _W of the absorber 4 becomes larger than the ratio of the largest dimension of the width direction D _W of the backsheet 3. In other words, the sanitary napkin 1, the backsheet 3 extends longer by longitudinal D _L, large size in the longitudinal direction D _L of the sanitary napkin 1. However, the absorbent article of the present invention, to the maximum dimension of the longitudinal direction D _L of the absorber, the ratio of the largest dimension of the longitudinal direction D _L of the back sheet, to the maximum dimension of the width direction D _W of the absorber, the backsheet the ratio of the width direction D _W is not limited to a large absorbent article as compared to the ratio of the largest dimension of, to the maximum dimension of the longitudinal direction D _L of the absorber, the longitudinal direction D _L largest dimension of the backsheet However, it may be equal to or smaller than the ratio of the maximum dimension of the width direction D _W of the back sheet to the maximum dimension of the width direction D _W of the absorber.

In the present invention, as the outer shape, various dimensions, basis weight, etc. of the absorber, any outer shape, various dimensions, basis weight, etc. according to the desired absorption performance, flexibility, strength, etc. can be adopted.

[Back sheet]
In the sanitary napkin 1 described above, as shown in FIGS. 3 and 4, the back sheet 3 extends from the longitudinal end to the posterior end of the sanitary napkin 1 in a plan view. , The sanitary napkin 1 has a vertically long outer shape extending from one side end portion of the width direction D _{W to} the other side end portion. As shown in FIG. 4, the back sheet 3 is arranged at a position on the non-skin facing surface side in the thickness direction _DT of the sanitary napkin 1 and is a non-contact surface with respect to the wearer's skin surface (that is, for sanitary use). forming a non-skin-facing surface S _B) of the napkin 1 is formed by a liquid-impermeable sheet member.

The liquid-impermeable sheet-like member is not particularly limited as long as it has at least a liquid impermeable property that can prevent the permeation of liquid excrement discharged from the wearer. For example, heat. Hydrophobic non-woven fabrics formed of plastic resin fibers (for example, polyolefin resin fibers such as polyethylene and polypropylene, polyester resin fibers such as polyethylene terephthalate, various composite fibers such as core sheath type); thermoplastics such as polyolefin resins. A hydrophobic resin film formed of a resin; a laminate obtained by laminating a non-woven fabric on the resin film; a laminated non-woven fabric such as an SMS non-woven fabric can be used. Further, the structure of the sheet-like member is not particularly limited, and in addition to a flat non-perforated sheet-like structure, for example, a plurality of openings for ensuring air permeability while maintaining a predetermined liquid impermeable property are provided. Various sheet-like structures such as a flat sheet-like structure and an uneven structure can be adopted.

In the present invention, as the outer shape, various dimensions, basis weight, etc. of the back sheet, any outer shape, various dimensions, basis weight, etc. can be adopted according to the desired leakage-proof performance, breathability, and the like.

[Side sheet]
In the sanitary napkin 1 described above, the pair of side sheets 5 and 5, as shown in FIG. 2, extends in plan view, respectively in the longitudinal direction D _L at both ends in the width direction D _W of the sanitary napkin 1 It is formed by a pair of strip-shaped sheet-like members. The pair of side sheets 5 and 5 are arranged at positions on the skin facing surface side in the thickness direction _DT of the sanitary napkin 1 to form the skin facing surface S _F of the sanitary napkin 1 together with the surface sheet 2. ing.

Further, in each of the pair of side sheets 5 and 5, the outer side end portion of the width direction D _W is joined to the skin facing surface of the back surface sheet 3 to form a fixed end portion, while the width direction D _W The central end is not joined to any of the constituent members such as the surface sheet 2 and forms a free end. As a result, when the sanitary napkin 1 is worn, the pair of side sheets 5 and 5 stand up at the central end (free end) of the width direction D _W to prevent leakage of liquid excrement discharged from the wearer. A leak-proof wall portion for prevention can be formed.

The band-shaped sheet-like member used for the side sheet may have various characteristics (for example, liquid impermeable (leakage proof), touch, flexibility, strength, etc.) that can be used as a side sheet for an absorbent article. However, the present invention is not particularly limited, and for example, a liquid-impermeable sheet-like member similar to the back surface sheet (that is, a sheet-like member such as a hydrophobic non-woven fabric or a hydrophobic resin film) cut into a strip shape may be used. it can.

In the present invention, as the outer shape, various dimensions, basis weight, etc. of the side sheet, any outer shape, various dimensions, basis weight, etc. can be adopted according to desired leak-proof property, touch, flexibility, and the like.

In the present invention, since it is not an indispensable constituent requirement to include the pair of side sheets, it is not always necessary to have such side sheets depending on the form of the absorbent article and the like.

[Adhesive part]
Sanitary napkin 1 described above, as shown in FIG. 3, the plurality of adhesive portions in the non-skin-facing side S _B of the backsheet 3, i.e. garment-fixing pressure-sensitive adhesive portion 7, a pair of flap portions fixing adhesive portion 71, 71 A pair of front-side first adhesive portions 72, 72 and front-side second adhesive portions 73 are provided, and these adhesive portions are each formed by an adhesive arranged in the above-mentioned predetermined form.

As the pressure-sensitive adhesive used for such a pressure-sensitive portion, any pressure-sensitive adhesive known in the art can be adopted, for example, styrene-ethylene-butadiene-styrene (SEBS), styrene-butadiene-styrene (SBS). , Styrene-isoprene-styrene (SIS) and other pressure-sensitive pressure-sensitive adhesives mainly composed of styrene-based copolymers.

In the present invention, as the arrangement form, outer shape, various dimensions, etc. of the various adhesive portions, any arrangement form, outer shape, various dimensions, etc. can be adopted in consideration of ease of fixing to clothing.

In the present invention, since it is not an indispensable constituent requirement to include the adhesive portion, it is not always necessary to provide such an adhesive portion depending on the form of the absorbent article and the like.

In the present invention, as the arrangement form, outer shape, various dimensions, etc. of each of the above-mentioned adhesive portions, any arrangement form, outer shape, various dimensions, etc. may be adopted in consideration of ease of fixing to clothing. ..

[Airtight packaging material]
In the embodiment described above, the individual packaging body 10, as shown in FIGS. 2 and 3, the sanitary napkin 1 through a plurality of adhesive portions arranged in the non-skin-facing side S _B of the sanitary napkin 1 It has a fixed, airtight packaging member. Such an airtight packaging member is folded together with the sanitary napkin 1 and individually wraps the folded sanitary napkin 1, and the airtight film 11 and the release sheet (shown) as described below. Is formed by.
That is, the airtight packaging member is provided with a release sheet at each portion where the plurality of adhesive portions are fixed to the airtight packaging member, and the airtight film 11 and the plurality of the above-mentioned plurality of adhesive portions are provided via the release sheet. The adhesive portion is configured to be fixed.
In FIG. 3, the airtight packaging member is not shown.

The airtight film 11 used for the airtight packaging member has a barrier layer having airtightness, and further has high strength including a polyolefin resin such as polyethylene and polypropylene from the viewpoint of enhancing durability and tensile strength. It is preferable to have a resin layer of. The airtight film 11 may have, for example, a structure composed of a single barrier layer, or may have a laminated structure of a plurality of layers including a barrier layer and a high-strength resin layer. As the barrier layer, for example, a resin layer formed of an ethylene vinyl alcohol copolymer (EVOH) resin or the like can be mentioned.

In the present invention, as the outer shape, various dimensions, basis weight, etc. of the airtight film 11 and the release sheet, any outer shape, various dimensions, basis weight, etc. may be adopted in consideration of ease of packaging, airtightness, and the like. ..

In another aspect of the present invention, the airtight packaging member of the individual package is made of only an airtight film without a release sheet, and the surface of the sanitary napkin facing the non-skin surface is subjected to a mold release treatment. It may be given. As a result, it is not necessary for the individual package to separately provide a release sheet for protecting the adhesive portion of the sanitary napkin, so that the number of constituent members of the individual package can be reduced.

[Lead tape]
In the above-described embodiment, as shown in FIGS. 1A and 2, the individual packaging body 10 is arranged on the outer surface of the airtight packaging member so as to straddle the end portion and the other portion of the airtight packaging member. The lead tape 12 is provided. Such a lead tape 12 seals the open end of the airtight packaging member folded together with the sanitary napkin 1 to maintain the individually wrapped state of the folded sanitary napkin 1, and is a strip-shaped tape member. Is formed by.

As the tape member used as the lead tape, any tape member known in the art can be adopted, for example, a strip-shaped tape base material (for example, film, non-woven fabric, paper, etc.) and the surface of the tape base material. Examples thereof include those composed of a pressure-sensitive adhesive (for example, a rubber-based pressure-sensitive adhesive, an acrylic-based pressure-sensitive adhesive, etc.) arranged in. Further, the constituent materials of the film and the non-woven fabric that can be used as the tape base material are not particularly limited, and examples thereof include polyolefin resins such as polyethylene and polypropylene; polyester resins such as polyethylene terephthalate; polyamide resins; polyurethane resins and the like. Can be mentioned. Such a tape base material may have elasticity.

In the present invention, as the arrangement form, outer shape, various dimensions, etc. of the lead tape, any arrangement form, outer shape, various dimensions, etc. may be adopted in consideration of the strength required for the lead tape, ease of opening, and the like. it can.

In the present invention, it is not an indispensable constituent requirement to provide such a lead tape. Therefore, if the individually wrapped state can be maintained by means other than the lead tape (for example, heat fusion means), the individual packaging is performed. The body does not have to be equipped with such lead tape.

[Method of forming individual packages]
Hereinafter, a method of folding an absorbent article (that is, a method of forming an individual package) for forming the individual package of the present invention will be described in detail with reference to the drawings.

The individual packaging body 10 of the embodiments described above, FIG. 5 a sanitary napkin 1 of the expanded state (a), the as shown in FIG. 5 (b), a first longitudinal extending in the longitudinal direction D _L After folding each of the fold line LW ₁ and the second fold line LW _{2 in} the longitudinal direction in three in the width direction D _W so that the skin facing surface S _F is on the inside, the figures 5 (c) and (d) show. as shown, in each of the widthwise direction a first fold line LL ₁ and the width direction second fold line LL ₂ extending in the width direction D _W, the three-fold in the longitudinal direction D _L as skin-facing surface S _F is the inner It can be formed by folding.

Incidentally, when the fold the sanitary napkin 1, the sanitary napkin 1 folded with attached gas tight packaging member to the non-skin-facing surface S _B, furthermore, after folding, the said the outer surface of the airtight packaging member The open end of the folded airtight packaging member is sealed by the lead tape 12 arranged at the end of the airtight packaging member to maintain the packaging state. In such an individual package 10, when the individual package 10 is held by the palm of one hand, the individual package 10 of the sanitary napkin 1 is easily pressed toward the width direction D _W, and the inside of the individual package 10 is easily pressed. Since the air is released to the surroundings through the gas communication portion 13, the user can easily perceive the presence of the fragrance contained in the sanitary napkin 1 immediately before opening the individual package 10.

As described above, the sanitary napkin 1 has a wide portion 20 at the end on the forward _DF side in the unfolded state, and the fragrance-containing region 20 is arranged at least in the wide portion 20. The ends of the wide portion 20 in the width direction D _W are the first folding line _{L W 1 in the} longitudinal direction and the second fold line _{L W} in the longitudinal direction from the central axis CL extending in the longitudinal direction DL toward the end of the width direction D _W. Since it extends beyond the fold line LW ₂ , when the individual package 10 is individually wrapped, it contains a fragrance when folded along the longitudinal first fold line LW ₁ and the longitudinal second fold line LW _2. region 20 is disposed, skin-facing surface S _F side ends of the wide portion 20 becomes to be opposed, fragrance hardly adheres to the airtight packaging member.

In the present invention, the method of folding the absorbent article for forming the individual package is not limited to the mode of the above-described embodiment, and is arbitrary in consideration of the compactness of the individual package and the ease of opening. Folding method can be adopted.

[Packaging]
The individual package of the absorbent article of the present invention may be packaged in a package containing a plurality of the absorbent articles, and in this case, the package may have a ventilation portion. Examples of the venting portion include an opening, a broken portion of a perforation forming an opening of the package, and the like. According to such an aspect, even when the package is displayed in the store, a consumer who can be a user can easily perceive the presence of a volatile component such as a fragrance contained in the absorbent article.

The absorbent article in the individual package of the present invention is not limited to the sanitary napkins of the above-described embodiments, and can be applied to various absorbent articles such as panty liners, incontinence pads, breast milk pads, and disposable diapers. ..
Further, the individual package of the present invention is not limited to the above-described embodiments and the like, and can be appropriately combined, substituted, modified, etc. within a range that does not deviate from the object and purpose of the present invention. In this specification, the ordinal numbers such as "first" and "second" are for distinguishing the items to which the ordinal numbers are attached, and mean the order, priority, importance, etc. of each item. It's not something to do.

1 Sanitary napkin (absorbent article)
2 Front sheet 3 Back sheet 4 Absorber 5 Side sheet 6 Flap part 7 Adhesive part for fixing clothes 71 Adhesive part for fixing flap part 72 Front direction 1st adhesive part 73 Front direction 2nd adhesive part 10 pieces Package 11 Airtight film 12 Lead tape 13 Gas communication part 20 Fragrance-containing area 21 Absorption layer 30 Absorption area 40 Overlapping part

Claims (14)

Individual packaging of an absorbent article comprising an absorbent article having a longitudinal direction including one direction and another direction and a width direction, and an airtight packaging member fixed to the non-skin facing surface side of the absorbent article. The body
In the unfolded state of the individual package,
The individual package of the absorbent article is provided with a fold line extending along the width direction, and is provided with a fold line.
The absorbent article is provided with a volatile component-containing region containing a volatile component at least at the end on the one-way side of the fold line.
In individual packaging
The absorbent article is folded by at least the fold line with the skin facing surface side inside.
Both ends of the airtight packaging member in the width direction are closed.
The unidirectional end of the airtight packaging member is fixed to the facing surface of the airtight packaging member facing each other.
An individual package of an absorbent article, wherein the end portion of the airtight packaging member includes a gas communication portion that communicates with the inside and the outside of the individual package. In the individually wrapped state,
The individual package has one surface defined by the longitudinal direction and the width direction, and the other surface forming the opposite surface of the one surface.
The gas communication portion is arranged on the one side thereof,
The individual package of the absorbent article according to claim 1, wherein the volatile component-containing region is arranged at least on one side of the individual package of the absorbent article with respect to the center line in the thickness direction. In the deployed state,
The individual package of an absorbent article according to claim 1 or 2, which has an additional volatile component-containing region on the other direction side of the folding line in addition to the volatile component-containing region. Any one of claims 1 to 3, wherein the absorbent article contains an additional functional agent other than the volatile component, and the volatile component evokes a sensation corresponding to the function of the additional functional agent. Individual packaging of absorbent articles as described in the section. The individual package of an absorbent article according to claim 4, wherein the volatile component is a fragrance. The individual package of an absorbent article according to claim 5, wherein the additional functional agent is a cooling sensation agent, and the fragrance brings about an odor corresponding to the cooling sensation. The individual package of an absorbent article according to claim 5, wherein the additional functional agent is a warming agent, and the fragrance brings about an odor corresponding to the warmth. In the deployed state,
The individual package of an absorbent article according to any one of claims 4 to 7, wherein the volatile component-containing region and the region containing the additional functional agent are different in the plane direction. In the deployed state,
The individual package of an absorbent article according to any one of claims 4 to 8, wherein the position containing the volatile component and the position containing the additional functional agent are different in the thickness direction. In the deployed state,
The number of the fold lines extending along the width direction is at least two, and two additional fold lines extending along the longitudinal direction are provided.
In the individually wrapped state,
The individual package of the absorbent article according to any one of claims 1 to 9, wherein the absorbent article is folded by the fold line in a state of being folded by the additional fold line. In the individually wrapped state,
The individual package of an absorbent article according to claim 10, wherein the dimension in the longitudinal direction is longer than the dimension in the width direction. In the deployed state,
The individual package of the absorbent article according to claim 10 or 11, wherein the basis weight on the one-way side of the absorbent article is smaller than the basis weight on the other direction side. In the deployed state,
The absorbent article has a wide portion at the one-way end.
The volatile component-containing region is arranged in the wide portion.
The individual package of an absorbent article according to any one of claims 10 to 12, wherein the end of the wide portion in the width direction extends beyond the additional folding line. A package that contains a plurality of individual packages of the absorbent article according to any one of claims 1 to 13 and has a ventilation portion.

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