JP2014147481A - Individual package of absorbent article - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an individual package of an absorbent article that is easily opened by giving information relating to a position of an opening part to a user.SOLUTION: The individual package of an absorbent article includes: the absorbent article having an adhesive layer on a skin noncontact surface; an individual packaging sheet having a release sheet on an inner surface and packaging the absorbent article; an opening part 24 formed by superposing a longitudinal end edge and the other end edge of the individual packaging sheet; and an exposure part where one end of the release sheet is exposed from the opening part 24 towards the longitudinal direction of the absorbent article.

Description

  The present invention relates to an individual package of absorbent articles such as sanitary napkins, panty liners, urine pads, and liners.

  Absorbent articles such as sanitary napkins are usually individually packaged one by one with individual packaging sheets for hygienic storage and use.

The individual packaging body of the absorbent article of the type to be attached to the underwear is generally disposed on the inner surface of the individual packaging sheet in order to protect the adhesive layer and the adhesive layer disposed on the non-skin contact surface of the absorbent article. By fixing the release sheet to the individual wrapping sheet, the absorbent article and the individual wrapping sheet are integrated, and are folded in three or two in the direction perpendicular to the longitudinal direction of the absorbent article main body. The part is fixed by heat sealing.

Moreover, the opening part of the individual packaging body of the absorbent article is formed by folding the absorbent article and the individual packaging sheet so that the end edge in the longitudinal direction of the individual packaging sheet and the other edge overlap each other. ing. At the opening, the base end of the fastening tape is fixed to the edge of the individual packaging sheet, and the free end of the fastening tape can be peeled off to the surface of the individual packaging sheet adjacent to one edge. It is conceivable that the adhesive is adhered to the adhesive (for example, Patent Document 1, FIG. 5A), the opening is adhered by heat sealing, or the adhesive is not adhered by fastening tape or heat sealing.

The user of the absorbent article opens the individual package by pinching the opening portion of the individual package of the absorbent article or the fastening tape. Then, when the user takes out the absorbent article, the release sheet fixed to the individual packaging sheet is turned together with the individual packaging sheet, and the adhesive layer of the absorbent article is exposed. Can be used by attaching to underwear.

With regard to the opening part of the individual package of such an absorbent article, for example, Patent Document 2 discloses an absorbent article packaging structure composed of an absorbent article and a packaging material for individually packaging the absorbent article. A convex portion at one end of the direction, and a concave portion formed so as to be able to be fitted to the convex portion at the other end, and at least the convex portion is embossed And the invention of the packaging structure of the absorbent article is characterized in that the packaging material is individually packaged with the absorbent article so that the convex part is located on the surface of the packaging structure. .

  Patent Document 3 discloses a personal care product that includes at least one wrap material having at least one free edge, at least one personal care article disposed in the wrap material, and the wrap material. An invention of a personal care product is disclosed that includes at least one sensory display that provides a clear indication of the position of the at least one free edge.

JP 2000-079963 A JP 09-058759 A Special Table 2007-521117

  However, since the fastening tape adhered to the edge of the individual packaging sheet is generally formed small, there is a problem that it is difficult to pick up and it is difficult to take out the absorbent article main body. Further, in the case of the type in which the fastening tape is not provided at the opening portion, there is a problem that the opening portion is difficult to understand and one end of the opening portion is also difficult to pinch.

In addition, in order to indicate the position information of the opening portion, it is possible to give display symbols such as different colors and designs at the edge portion in the longitudinal direction of the individual packaging sheet forming the opening portion and the other edge portion. In order to give the individual packaging body an aesthetic appearance, it is sufficient as compared with the individual packaging body of the conventional absorbent article (FIG. 5 (b)) in which the individual packaging sheet is provided with the color and the indication symbol 5. It was not effective.

Furthermore, as another method for indicating the position information of the opening portion, even if the shape of the opening portion is processed into a corrugated shape or a triangle, the opening portion and the opening portion can be changed depending on the material of the thin and flexible individual packaging sheet that has been conventionally employed. It was difficult to feel the tactile difference between the individual packaging sheets in the vicinity, and the effect was not great.

And, when attempting to open the absorbent article in a relatively dark space such as a toilet, the visibility of the absorbent article is added, and this operation is difficult.

  Accordingly, an object of the present invention is to provide a user with information on the position of the opening portion and to provide an individual package of an absorbent article that is easy to open in order to solve the above problems.

The present invention is grasped by the following composition.
(1) The individual package of the absorbent article of the present invention comprises an absorbent article 1 having an adhesive layer on the non-skin contact surface;
A release sheet for protecting the adhesive layer is provided on the inner surface, and the release sheet is fixed to the individual packaging sheet for wrapping the absorbent article 1 so as not to be peeled off, and is folded in a direction perpendicular to the longitudinal direction of the absorbent article or 2 An opening portion formed by folding and joining both end edges in the width direction of the individual wrapping sheet by heat sealing so that the end edge in the longitudinal direction of the individual wrapping sheet and the other end edge overlap each other And the one end of the said peeling sheet contains the exposed part exposed toward the longitudinal direction of the said absorbent article from the said opening part, It is characterized by the above-mentioned.

  According to this configuration, the absorbent article can be easily peeled from the individual packaging sheet, and the position of the opening portion can be easily perceived tactilely, which is convenient for the user.

(2) In the package of the absorbent article of the present invention, the tip of the exposed portion is inside the fold of the rear end edge that is the end edge on the rear side in the longitudinal direction of the individual package of the absorbent article. It is characterized by that.

According to this configuration, when the individual package of a plurality of absorbent articles is stored in the storage bag, the exposed portion can be smoothly stored without being folded from the individual package.

(3) In the individual package of the absorbent article of the present invention, in the configuration of (1) or (2), the exposed portion is formed by stretching one end of the release sheet from the adhesive layer. It is characterized by.

According to this structure, at the time of opening, an opening part is pulled excessively and it becomes difficult to produce the damage of a peeling sheet or an individual package resulting from an extra force working.

(4) In the individual package of the absorbent article of the present invention, in any one of the constitutions (1) to (3), the exposed portion is subjected to surface processing by coloring, symbol or character notation, or uneven processing. It is characterized by being.

According to this configuration, the position of the opening portion can be more easily perceived visually and tactilely.

ADVANTAGE OF THE INVENTION According to this invention, the information regarding the position of an opening part can be given to a user, and also the individual packaging body of the absorbent article which is easy to open can be provided.

Schematic of the individual package of the absorbent article which concerns on this invention. The perspective view of the state which opened the opening part of the individual package in the individual package of the absorbent article shown in FIG. Schematic of the opened state in the individual package of the absorbent article shown in FIG. AA sectional drawing in the individual packaging body of the absorbent article shown in FIG. Schematic which shows the individual packaging body of the conventional absorbent article.

Preferred embodiments (hereinafter referred to as embodiments) of individual packages of absorbent articles according to the present invention will be described in detail below. Note that, in the embodiments described below, various limitations are made as preferred specific examples of the present invention. However, the scope of the present invention is not limited to the following description unless otherwise specified. However, the present invention is not limited to this embodiment.

One form of the individual package 10 of the absorbent article 1 in the present invention will be described with reference to FIGS. An individual package 10 of the absorbent article 1 shown in FIG. 1 includes an absorbent article 1 and an individual packaging sheet 2 for individually packaging the absorbent article 1.

The absorbent article 1 has a liquid-permeable top sheet (not shown), a liquid-retaining absorbent body (not shown), and a liquid-impermeable back sheet (not shown) in order from the side in contact with the skin. Are arranged in layers. Further, the back sheet is provided with an adhesive layer (not shown) on the surface in contact with the undergarment.

In order to protect the adhesive layer of the absorbent article 1, a release sheet 3 is provided on the inner surface of the individual packaging sheet 2 in a state in which the individual packaging sheet 2 and the individual packaging sheet 2 cannot be peeled off by an adhesive. The pressure-sensitive adhesive layer provided on the non-skin contact surface and the release sheet 3 fixed to the inner surface of the individual packaging sheet 2 are detachably adhered.

As shown in FIG. 4, the individual packaging body 10 of the absorbent article 1 is formed by folding a laminate of the absorbent article 1 and the individual packaging sheet 2 into three or two folds in a direction perpendicular to the longitudinal direction of the absorbent article 1. In this state, both side edges of the individual packaging sheet 2 are joined by heat sealing and packaged.

The opening portion 24 is formed by overlapping an end edge portion in the longitudinal direction of the individual packaging sheet 2 and the other end edge portion. Here, each edge part is called the front edge part 22 which is an edge part of the front side of the longitudinal direction of the absorbent article 1, respectively, and the rear edge part 23 which is an edge part of a back side. Moreover, the front end part 22 and the rear end part 23 of the individual packaging sheet 2 in the vicinity of the opening part 24 may be sealed by applying a hot melt adhesive on the line in a direction perpendicular to the longitudinal direction. According to this configuration, dust and dust are not mixed in the absorbent article, and the hygienic state can be kept good.

  The exposed portion 6 is formed by exposing one end portion of the release sheet 3 to the surface from the opening portion 24 of the individual package 10 of the absorbent article. Thus, the user can visually and tactilely recognize the exposed portion 6 and can easily determine the position of the opening portion 24, picking up the exposed portion 6, and the front end portion 22 of the individual packaging sheet 2. To open. Then, the rear end portion 23 of the individual packaging sheet 2 is picked up to further develop the individual packaging body. After the individual packaging sheet 2 is deployed, the user peels the absorbent article 1 from the individual packaging sheet 2 while holding the exposed portion 6. By this opening operation, the release sheet 3 fixed to the individual wrapping sheet 2 is turned together with the individual wrapping sheet 2 so that the adhesive layer of the absorbent article 1 is exposed. Can be used by attaching to underwear.

Although there is no restriction | limiting in particular as the absorbent article 1 of this invention, For example, a paper diaper, a sanitary napkin, a panty liner, a light incontinence pad, a liner etc. can be mention | raise | lifted. Moreover, regarding a top sheet, an absorbent body, a back sheet, and an adhesive layer constituting the absorbent article 1, the constituent components, positions, and the like are not particularly limited and can be appropriately selected.

The individual packaging sheet 2 of the present invention is formed from a thin and flexible base material such as paper, a resin film, and a nonwoven fabric. Examples of such a resin film include polyester, polyvinyl alcohol, polyethylene, polypropylene, and a composite film of polyethylene and polypropylene. Such a nonwoven fabric is not particularly limited in its production method, and examples thereof include spunbond and meltblown nonwoven fabrics, or composite nonwoven fabrics in which spunbond / meltblown, spunbond / meltblown / spunbond are laminated, and composite materials thereof. Moreover, it is preferable that the basic weight of the individual packaging sheet 2 is about 15-30 g / m < ² > from the point of intensity | strength and workability. Furthermore, it is also preferable to print the display symbol 5 such as coloring or characters / designs in the vicinity of the opening portion 24 of the individual packaging sheet 2. As a coloring method and a printing method, known methods can be performed without limitation. A plurality of such processes can be applied simultaneously.

As the release sheet 3 of the present invention, a release sheet 3 coated with a release agent is preferably used. Although there is no restriction | limiting in particular in the base material of the peeling sheet 3, For example, paper, a synthetic resin film, a nonwoven fabric etc. can be used as a base material. Examples of the synthetic resin film and the nonwoven fabric include materials as examples of the base material of the individual packaging sheet 2. The release agent is not particularly limited, and examples thereof include thermosetting or UV (ultraviolet) curable silicone resins, fluorine resins, and isocyanate resins. Moreover, it is preferable that the basic weight of the peeling sheet 3 is about 30-50 g / m < ² > from the point of intensity | strength and workability.

The base material of the release sheet 3 may be the same material as the individual packaging sheet 2 or a different material, and can be used without any particular limitation. A base material different from the base material of the sheet 2 is desirable. In addition, it is preferable to select a color of the base material of the release sheet 3 different from that of the individual packaging sheet in order to provide functionality for giving visual information. It is also preferable to print the display symbol 5 such as characters and designs that can be visually recognized from the individual packaging sheet 2 on the release sheet 3.

The exposed portion 6 of the present invention is formed by exposing one end of the release sheet 3 from the opening portion 24 toward the longitudinal direction of the absorbent article 1. The exposed portion 6 is formed by stretching one end of the release sheet 3 from the adhesive layer, even if another substrate is attached to the base of the release sheet 3 that integrally covers the adhesive layer. However, at the time of opening, the opening part 24 is pulled excessively, and in order to make it difficult to cause damage to the release sheet 3 and the individual package 10 of the absorbent article due to excessive force, one end of the release sheet 3 is It is preferable to stretch from the adhesive layer.

The exposed portion 6 is preferably subjected to uneven processing. Examples of the unevenness processing method include embossing, hole opening processing, processing for increasing the surface friction coefficient, and the like. Further, the shape of the concavo-convex portion can be circular, elliptical, trapezoidal, corrugated, spherical, trapezoidal, pyramidal, groove-shaped, or the like. The embossing and the hole opening process can be performed by any known method without limitation. And as a method of raising the friction coefficient of the surface, for example, a method of fixing a member coated with a high friction material on the base material of the release sheet 3 to the surface of the individual packaging sheet 2 with an adhesive such as hot melt, A method of directly applying a high friction material to the release sheet 3 can be mentioned. In addition, as in the case of the concave and convex processing, it is also preferable to color the exposed portion or print a display symbol such as a character / design. As a coloring method and a printing method, known methods can be performed without limitation. A plurality of such processes can be applied simultaneously.

Although there is no restriction | limiting in particular about the length of the longitudinal direction of the exposed part 6, An exposed part functions as a holding part of the opening part 24 at the time of opening of an individual package, and also after expansion | deployment of the individual packaging sheet 2, an individual packaging sheet 2 and the absorbent article 1 also function as a gripping portion, so that the length in the longitudinal direction is preferably 10 mm or more as a size that can be easily held by the fingertip. Moreover, when the individual packaging body 10 of a plurality of absorbent articles is stored in the storage bag, the exposed portion 6 has a front end 61 in order to allow the exposed portion 6 to be smoothly stored without being folded from the individual packaging body 10 of the absorbent article. It is preferable that it exists inside the crease | fold 25 of an edge part (FIG.4 (b)).

About the length of the width direction 62 of an exposed part, it can form so that it may become substantially the same as the width | variety of the peeling sheet 3, or it can form in a part of width | variety of the individual packaging sheet 2. FIG. From the viewpoint of simplicity when forming the exposed portion 6, it is preferable to form the exposed portion 6 so as to be substantially the same as the width of the release film 3.

The following examples further illustrate the present invention. In addition, this invention is not limited to description of a following example, unless the summary is exceeded.

[Example 1]
A light incontinence absorbent pad was used as an absorbent article. The back sheet of the light incontinence absorption pad was provided with an adhesive layer on the surface in contact with the underwear. The individual packaging sheet used a spunbonded nonwoven fabric (basis weight 20 g / m ² ) as a base material. The release sheet was cut to 42 mm so that paper was used as a base material, 180 mm in the longitudinal direction, and the width direction was substantially the same as the adhesive layer of the light incontinence absorption pad. After applying the release agent (silicone resin), the release sheet substrate was coated by heating and drying to form a thin film. The light incontinence absorbent pad and the individual packaging sheet were folded in a direction perpendicular to the longitudinal direction in a state where the release sheet and the individual packaging sheet were fixed with a hot melt adhesive in an inseparable manner. Then, the both-sides edge part of the individual packaging sheet was fixed by the heat seal, and the individual packaging body of the absorbent article was created. The length in the longitudinal direction of the absorbent article is 145 mm, the length in the width direction is 65 mm, the length in the longitudinal direction of the individual packaging sheet is 155 mm, the length in the width direction is 89 mm, and the length in the longitudinal direction of the exposed portion Was 30 mm and the length in the width direction was 42 mm. Moreover, the front-end | tip of the exposed part existed inside the crease | fold of the rear-end edge part of the individual packaging body of an absorbent article.

(sensory evaluation)
Twenty adult women (30's-60's) were allowed to open the individual package of absorbent articles of each sample and take out the absorbent articles. (1) Ease of opening, (2) Ease of peeling from release sheet, “(a) easy to execute”, “(b) neither”, “(c) difficult to execute” One of the difficulty assessments was selected. When the evaluation of (a) is 18 to 20 people, “◎”, when it is 13 to 17 people, “◯”, when (a) is 8 to 12 people, “△”, and (a) evaluation When “0” to “7” are indicated by “×”.

[Example 2], [Example 3], [Comparative Example 1]
In Example 2, Example 3, and Comparative Example 1, the length of the exposed portion of the release sheet was prepared with the composition shown in Table 1, and after producing individual packaging sheets in the same manner as in Example 1, the absorbency Light incontinence pads were packaged as articles and subjected to sensory evaluation. The results are shown in Table 1.

About the ease of opening, since the length of the exposed part in the longitudinal direction of Example 2 is shorter than that of Examples 1 and 3, the portion (gripping part) pinched by hand when opening is small, and the evaluation was low. Conceivable. Further, in Comparative Example 1 in which the exposed portion of the release sheet is not formed, there is no portion that becomes a gripping portion. It will be found visually or by fumbling, and the ease of opening is considered to be even lower.

About the ease of peeling from a peeling sheet, compared with Examples 1-3 in which the exposed part was formed, the peeling ease from the peeling sheet of the comparative example 1 became low evaluation. Moreover, Example 3 which performed the embossing became higher evaluation than Example 1 which did not surface-treat to an exposed part.

As mentioned above, although this invention was demonstrated using embodiment, it cannot be overemphasized that the technical scope of this invention is not limited to the range as described in the said embodiment. It will be apparent to those skilled in the art that various modifications or improvements can be added to the above embodiment. Further, it is apparent from the claims that the embodiments added with such changes or improvements can be included in the technical scope of the present invention.

DESCRIPTION OF SYMBOLS 1 Absorbent article 10 Individual package 2 of absorbent article 21 Individual packaging sheet 21 Side edge part 22 Front edge part 23 Rear edge part 24 Opening part 25 Folding of rear edge part 3 Release sheet 4 Fastening tape 5 Symbol 6 Exposed portion 61 Exposed portion tip 62 Exposed portion width direction

Claims (4)

An individual package of absorbent articles,
An absorbent article having an adhesive layer on the non-skin contact surface;
A release sheet for protecting the adhesive layer is provided on the inner surface, and the release sheet is fixed to an individual packaging sheet for packaging the absorbent article so as not to be peeled, and is folded in a direction perpendicular to the longitudinal direction of the absorbent article. Folded in half
Both edge portions in the width direction of the individual packaging sheet are joined by heat sealing,
An opening portion formed by overlapping an end edge portion in the longitudinal direction of the individual wrapping sheet and the other end edge portion;
An exposed portion where one end of the release sheet is exposed in the longitudinal direction of the absorbent article from the opening portion;
An individual package of an absorbent article, characterized by comprising: 2. The absorbent article according to claim 1, wherein a tip of the exposed portion is located inside a fold of a rear end edge that is an end edge on the rear side in the longitudinal direction of the individual package of the absorbent article. Individual packaging. The individual packaging body for absorbent articles according to claim 1 or 2, wherein the exposed portion is formed by extending one end of the release sheet from the adhesive layer. The individual packaging body of an absorbent article according to any one of claims 1 to 3, wherein the exposed portion is surface-treated by coloring, symbol or character notation, or uneven processing.

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