JP2020162652A - Packaging structure and packaged absorbent article - Google Patents

Abstract

To provide a packaging structure which can be used for disposing of a used absorbent article more hygienically.SOLUTION: A packaging structure includes a packaging sheet having a longitudinal direction and a shorter direction and an auxiliary sheet overlapped on the packaging sheet and packages an absorbent article by placing the absorbent article on the auxiliary sheet and folding. The auxiliary sheet includes a fastening part fastened relative to the packaging sheet and a tacky part which can be peeled off the packaging sheet and can extends beyond an end edge of the packaging sheet in the longitudinal direction by turning over the auxiliary sheet in the longitudinal direction by using the fastening part as an origin.SELECTED DRAWING: Figure 2

Description

The present invention relates to a packaging structure and a packaging absorbent article.

Sanitary napkins, panty liners, incontinence pads and the like are known as absorbable articles. When such an absorbent article is used and then replaced with a new one, the user needs to dispose of the used absorbent article. At that time, the user wraps the used article in a packaging sheet for a new absorbent article to be used, that is, a packaging sheet left after opening the new absorbent article and taking out the contents (absorbent article). It is often discarded. Therefore, in recent years, various configurations of packaging sheets that can be used even at the time of disposal have been devised.

For example, in Patent Document 1, the packaging film 14 is an individual package of an absorbent article having a bag-shaped portion 14a at least in a part thereof, and when the used napkin 21 is disposed of, the used napkin 21 is bagged. It is disclosed that it is used to be put in the shape portion 14a and stopped by the mounting tape 13.

Japanese Unexamined Patent Publication No. 2001-87306

However, in the configuration disclosed in Patent Document 1, when the used article is disposed of, it is necessary to push the used article through the opening of the bag-shaped portion. Such a pushing operation is complicated because it is necessary to apply a force to the used article in some cases. In addition, the body fluid absorbed in the used article may seep out and adhere to the hand, and the used article may not be hygienically disposed of.

In view of the above points, one aspect of the present invention is to provide a packaging structure for an absorbent article that can be used to dispose of a used absorbent article more hygienically.

A first aspect of the present invention comprises a packaging sheet having a longitudinal direction and a lateral direction and an auxiliary sheet stacked on the packaging sheet, and the absorbent article is placed on the auxiliary sheet and folded. A packaging structure for packaging an absorbent article, wherein the auxiliary sheet has a fixing portion fixed to the packaging sheet and an adhesive portion peelable from the packaging sheet, with the fixing portion as a base point. By turning it over in the longitudinal direction, the packaging sheet can be extended beyond the edge in the longitudinal direction.

According to the first aspect, the packaging structure includes a packaging sheet and an auxiliary sheet that can be turned inside out to extend beyond the longitudinal edge of the packaging sheet. Therefore, after taking out the contents (absorbent article) from the state in which the absorbent article is packaged, the auxiliary sheet is turned over to obtain a structure having a length longer than the original length of the packaging sheet in the longitudinal direction. be able to. When such a packaging structure is used as a disposal sheet for wrapping a used absorbent article, the extended portion can be used to more hygienically wrap the used article and dispose of it.

For example, when wrapping a used absorbent article (also referred to as a used article) in a wrapping sheet, the used article is generally placed on the unfolded wrapping sheet, and the longitudinal end of the wrapping sheet is used. Fold or wrap it over the article. At that time, if the article is heavily soiled, the body fluid may adhere to the hand during the operation of covering the end portion of the packaging sheet. On the other hand, according to this aspect, the packaging sheet is indirectly pulled by holding the end of the extension portion of the auxiliary sheet located at a position away from the end of the packaging sheet instead of the end of the packaging sheet. Can be put on used articles. In other words, the packaging structure can be gripped at a position away from the used article to wrap the used article, so that the hands are not easily soiled.

In the second aspect of the present invention, in a state before the auxiliary sheet is turned inside out, a lower adhesive layer is interposed between the packaging sheet and the auxiliary sheet at the position of the adhesive portion, and the auxiliary sheet is provided. With the sheet turned inside out, at least a part of the lower pressure-sensitive adhesive layer is arranged on the packaging sheet.

According to the second aspect, at least a part of the lower adhesive layer interposed between the packaging sheet and the auxiliary sheet before turning over the auxiliary sheet is packaged after turning over the auxiliary sheet. It is configured to stay on the seat. Therefore, when wrapping a used article in the packaging structure according to this embodiment, the packaging sheet should be more reliably attached to the material that the packaging sheet comes into contact with (used article, auxiliary sheet, outer surface of the packaging sheet, etc.). It is possible to prevent the packaging sheet from opening and coming off after wrapping.

In the third aspect of the present invention, at least the region of the packaging sheet on which the lower pressure-sensitive adhesive layer is arranged is a non-peeling surface with respect to the lower pressure-sensitive adhesive layer.

According to the third aspect, the region of the packaging sheet on which the lower pressure-sensitive adhesive layer is arranged is a non-peeling surface, that is, a surface having a high affinity with the pressure-sensitive adhesive and difficult to peel off from the lower pressure-sensitive adhesive layer. ing. Therefore, in the portion that is the non-peeling surface, the pressure-sensitive adhesive layer is securely held by the packaging sheet side when the auxiliary sheet is peeled off from the packaging sheet, and the pressure-sensitive adhesive layer can be formed on the packaging sheet.

A fourth aspect of the present invention is that, in a state where the absorbent article is packaged, an upper pressure-sensitive adhesive layer is interposed between the absorbent article and the auxiliary sheet, and the absorbent article is removed. In this state, the first portion of the upper pressure-sensitive adhesive layer is arranged on the absorbent article, and the second portion is arranged on the auxiliary sheet.

According to the fourth aspect, the upper adhesive layer is interposed between the absorbent article and the auxiliary sheet in the state where the absorbent article is packaged, and the absorbent article is taken out from the packaging structure. Later, a portion (second portion) of the pressure-sensitive adhesive layer is arranged on the auxiliary sheet. That is, the pressure-sensitive adhesive layer is arranged on the upper surface of the auxiliary sheet, that is, the surface opposite to the surface facing the packaging sheet. Therefore, when the auxiliary sheet of the packaging structure is turned inside out and then the used article is wrapped in the packaging structure, the auxiliary sheet can be put on the used article first. For example, the packaging sheet is further placed on the auxiliary sheet. When covering, the wrapping sheet can be attached to the auxiliary sheet, and the wrapping sheet can be prevented from coming off after wrapping. On the other hand, since another portion (first portion) of the upper pressure-sensitive adhesive layer is arranged on the absorbent article, the first portion can function as a slip prevention material for the removed absorbent article.

In the fifth aspect of the present invention, at least the region of the auxiliary sheet facing the first portion is a peeling surface with respect to the upper pressure-sensitive adhesive layer.

According to the fifth aspect, the region corresponding to the first portion of the upper adhesive layer described above in the auxiliary sheet, that is, the region corresponding to the portion of the upper adhesive layer arranged on the absorbent article is the peeled surface. That is, it has a low affinity with the pressure-sensitive adhesive and is easily peeled off from the upper pressure-sensitive adhesive layer. Thereby, when the absorbent article and the auxiliary sheet are peeled off, the first portion of the upper pressure-sensitive adhesive layer can be more reliably separated from the auxiliary sheet and stay in the absorbent article.

A sixth aspect of the present invention includes any of the first to fifth packaging structures and an absorbent article.

According to the sixth aspect, it is possible to provide a package absorbent article having the same effect as that obtained in any one of the first to fifth aspects.

According to one aspect of the present invention, it is possible to provide a packaging structure for an absorbent article that can be used to dispose of a used absorbent article more hygienically.

It is a plan view and a cross-sectional view of the package structure in the developed state by embodiment of this invention, and the partial breakthrough view of the absorbent article packaged by a package structure. It is a perspective view explaining the structure of the packaging structure by embodiment of this invention. It is sectional drawing explaining the structure of the packaging structure by embodiment of this invention. It is a figure explaining the use example as the disposal sheet of the packaging structure by embodiment of this invention. It is a figure explaining another use example as a waste sheet of the packaging structure by embodiment of this invention. A first modification of the packaging structure according to the embodiment of the present invention is shown. A second modification of the packaging structure according to the embodiment of the present invention is shown.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In each drawing, unless otherwise specified, the same or corresponding configurations may be designated by the same reference numerals and the description thereof may be omitted. In addition, the drawings are schematic to assist the understanding of the invention, and the components may be omitted in order to make the explanation easy to understand.

FIG. 1A shows the packaging structure 50 according to the embodiment of the present invention in an unfolded state together with the absorbent article 1 packaged by the packaging structure 50. It can be said that FIG. 1A is a developed view of the package absorbent article 100 in which the absorbent article 1 is packaged by the packaging structure 50. Further, FIG. 1 (b) is a sectional view taken along line I-I of FIG. 1 (a), and FIG. 1 (c) is a partial fracture view showing details of the absorbent article 1 shown in FIG. 1 (a). Shown.

As shown in FIGS. 1A and 1B, the packaging structure 50 has a packaging sheet 10 and an auxiliary sheet 20 stacked on the packaging sheet 10. The packaging sheet 10 may have a rectangular elongated shape in a plan view. That is, the packaging sheet 10 has a shape having a longitudinal direction D1 and a lateral direction D2 orthogonal to the longitudinal direction D1 in the unfolded state. However, the shape of the packaging sheet 10 does not necessarily have to be rectangular, and may be, for example, a square shape other than a quadrangle shape, an oblong shape, or the like. The longitudinal direction D1 and the lateral direction D2 of the packaging sheet 10 correspond to the longitudinal direction and the lateral direction of the packaging structure. Therefore, hereinafter, the term D1 in the longitudinal direction refers to the longitudinal direction of the packaging sheet 10 and the entire packaging structure 50, and the term D2 in the lateral direction refers to the laterality of the packaging sheet 10 and the entire packaging structure 50. Point in the direction.

The size and shape of the packaging sheet 10 are not particularly limited as long as the absorbent article can be wrapped so as not to be exposed. The dimensions of the packaging sheet 10 can be 100 to 450 mm in the longitudinal direction D1 (sometimes simply referred to as the length) depending on the size and shape of the absorbent article to be packaged, and the dimensions of the packaging sheet 10 in the lateral direction D2. The length (sometimes referred to as width) can be 70-250 mm.

The auxiliary sheet 20 is fixed to the packaging sheet 10 at the fixing portion 21, that is, is fixed so as not to be peeled off, while the adhesive portion 22 (22a, 22b) is detachably adhered to the packaging sheet 10. (Paste). As shown in FIGS. 1A and 1B, the fixing portion 21 and the adhesive portion 22 may be located along the longitudinal direction D1. Hereinafter, of both ends of the packaging sheet 10 in the longitudinal direction D1, the end on the side where the fixing portion 21 of the auxiliary sheet 20 is located is referred to as one end 11, and the end on the side where the adhesive portions 22 and 22 are located is referred to as the other end 12.

In the present specification, "non-peeling" means that the peeling cannot be performed by the normal operation of the user. Therefore, while the absorbent article 1 is taken out from the packaging structure 50 according to the present embodiment or the used article is wrapped by the packaging structure 50, the auxiliary sheet 20 does not separate from the packaging sheet 10 and remains joined. It has become. On the other hand, "peelable" means that the user can peel off with a force within a range that can be applied in normal operation. Therefore, the auxiliary sheet 20 is attached to the packaging sheet 10 by the adhesive portion 22, and is lightly fixed. However, for example, when the end of the auxiliary sheet 20 is held and pulled from the packaging sheet 10, the auxiliary sheet 20 and the packaging sheet 10 attached by the adhesive portion 22 are peeled off from each other.

When the absorbent article 1 is packaged in the packaging structure 50, the absorbent article 1 is placed on the auxiliary sheet 20 of the packaging structure 50 as shown in FIGS. 1A and 1B. After that, the packaging sheet 10 can be folded together with the absorbent article 1. For example, the packaging sheet 10 (the packaging sheet 10 and the auxiliary sheet 20 in the illustrated form) is wound in the longitudinal direction D1 along the folding line along the lateral direction D2 and folded in three so that the absorbent article 1 is inside. Can be done. After winding and folding in three, both edges in the lateral direction D2 are sealed by a heat seal or the like, and are fastened with a tab tape 15. As a result, it is possible to obtain a package absorbent article in which the absorbent article 1 is not exposed to the outside.

As shown in FIG. 1 (c), the absorbent article 1 that can be packaged by the packaging structure 50 according to this embodiment may be a sanitary napkin, a panty liner (pantyliner sheet), an incontinence pad, or the like. As its basic configuration, as shown in FIG. 1 (c), a liquid-impermeable back surface sheet 2, a liquid-permeable front surface sheet 3, and absorption provided between both sheets 2 and 3 are provided. It can be equipped with a body 4.

The absorbent article 1 may have an elongated plan view shape as a whole as shown in FIGS. 1 (a) and 1 (c). Then, as shown in FIG. 1C, the absorbent articles 1 may have side sheets 7 and 7 arranged along the longitudinal direction on both sides in the lateral direction. The side sheet 7 can be placed on top of the surface sheet 3 in order to prevent permeation of body fluids and the like. Further, the absorbent article 1 may be provided with flap-shaped portions (wings) extending from the vicinity of the center in the longitudinal direction of the main body to both outer sides in the lateral direction. Such a wing can be formed by joining the laterally extending portions of the side sheet 7 and the back surface sheet 2 in the lateral direction. When the absorbent article 1 is provided with a wing, when the absorbent article 1 is packaged in the packaging structure 50, the wing is folded inward in the lateral direction in advance toward the surface sheet 3 side, and the length is as described above. It can be folded in direction D1.

As shown in FIG. 1B, an adhesive layer (upper adhesive layer) 42 is arranged between the absorbent article 1 and the packaging structure 50. The upper pressure-sensitive adhesive layer 42 is adapted to be attached to at least the absorbent article 1 when the absorbent article 1 is removed from the packaging structure 50. The pressure-sensitive adhesive layer attached to the absorbent article 1 can function as a slip-preventing material for attaching and fixing the absorbent article 1 to the underwear when the absorbent article 1 is attached. The upper pressure-sensitive adhesive layer 42 can be arranged on the entire surface or partially between the absorbent article 1 and the packaging structure 50. In addition, it can be arranged continuously or intermittently.

Further, an adhesive layer (lower adhesive layer) 41 is arranged between the auxiliary sheet 20 and the packaging sheet 10. The pressure-sensitive adhesive layer 41 is provided at least at a position corresponding to the pressure-sensitive adhesive portion 22 of the auxiliary sheet 20, and in the illustrated form, the pressure-sensitive adhesive layers 41a and 41b correspond to the pressure-sensitive adhesive portions 22a and 22b, respectively. Further, an adhesive layer 45 for fixing is arranged between the auxiliary sheet 20 and the packaging sheet 10 so that the auxiliary sheet 20 and the packaging sheet do not separate from each other at the fixing portion 21. The pressure-sensitive adhesive layer 41 can be arranged on the whole or part of the portion excluding the portion where the adhesive layer 45 is arranged. Further, the pressure-sensitive adhesive layer 41 may be arranged continuously, or a plurality of pressure-sensitive adhesive layers may be arranged intermittently as shown in the illustrated form.

The material used for both the upper pressure-sensitive adhesive layer 42 and the lower pressure-sensitive adhesive layer 41 can be, for example, a hot-melt type pressure-sensitive adhesive. The pressure-sensitive adhesive preferably contains a styrene-based polymer, a pressure-imparting agent, a plasticizer, and a combination thereof as main components.

Next, the configuration and function of the packaging structure 50 according to the embodiment of the present invention will be described in more detail with reference to FIGS. 2 (a) to 2 (c) and FIGS. 3 (a) to 3 (c). 2 (a) to 2 (c) are schematic perspective views of the packaging structure 50, and FIGS. 3 (a) to 3 (c) are the packaging structures shown in FIGS. 2 (a) to 2 (c), respectively. A cross-sectional view (II-II line cross-sectional view) along the longitudinal direction D1 of 50 is shown.

2 (a) and 3 (a) show a state in which the package absorbent article 100 shown in FIGS. 1 (a) and 1 (b) is unfolded (a state in which the package absorbent article 1 is placed on the package structure 50). The state in which the absorbent article 1 is removed is shown. In this example, as shown in FIGS. 2A and 3A, when the absorbent article 1 is peeled off from the auxiliary sheet 20, the above-mentioned upper adhesive layer 42 is formed on the back sheet side of the absorbent article 1. Incidentally, the adhesive layer is not provided on the upper side of the auxiliary sheet 20 (the side opposite to the side facing the packaging sheet 10).

By removing the absorbent article 1 as described above, the auxiliary sheet 20 is exposed. 2 (b) and 3 (b) show a packaging structure 50 composed of a packaging sheet 10 and an auxiliary sheet 20 without an absorbent article 1.

As shown in FIG. 2B, the auxiliary sheet 20 can have an elongated shape, more specifically, a strip-shaped plan view shape. Then, in the auxiliary sheet 20, the longitudinal direction of the auxiliary sheet 20 is along the longitudinal direction D1 of the packaging structure 50, that is, the longitudinal direction D1 of the packaging sheet 10, and the lateral direction of the auxiliary sheet 20 is the packaging structure 50. It is arranged along the lateral direction D2, that is, the lateral direction D2 of the packaging sheet 10.

The dimensions and shape of the auxiliary sheet 20 do not protrude from the packaging absorbent article obtained after packaging when the absorbent article 1 is packaged, and both edges of the packaging sheet 10 in the lateral direction D2 are sealed after packaging. In this case, it is preferable not to overlap the seal portion. The length L of the auxiliary sheet 20 in the longitudinal direction D1 can be 90 to 440 mm. Further, the length W of the auxiliary sheet 20 in the lateral direction D2 can be 60 to 240 mm.

The auxiliary sheet 20 may have a size and a shape protruding from the packaging sheet 10. In that case, the auxiliary sheet 20 can be folded, and after folding, the above-mentioned longitudinal length and lateral length It may be configured to have a space.

As shown in FIGS. 2 (b) and 3 (b), the auxiliary sheet 20 is detachably adhered to the wrapping sheet 10 and the fixing portion 21 which is fixed to the wrapping sheet 10 in a peelable manner. It has an adhesive portion 22. The fixing portion 21 and the adhesive portion 22 may each be one portion, or may be divided into a plurality of portions. For example, as shown in the drawing, the adhesive portion 22 may have two portions, an adhesive portion 22a closer to the fixing portion 21 and an adhesive portion 22b farther away.

Then, as shown in FIGS. 2B and 3B, the auxiliary sheet 20 is peeled off from the packaging sheet 10 as shown by an arrow from the side where the adhesive portion 22 in the longitudinal direction D1 is located, and the packaging sheet 10 is removed. Can be turned inside out toward one end 11 of D1 in the longitudinal direction of. At this time, the fixing portion 21 serves as a base point when the auxiliary sheet 20 is turned over. That is, the auxiliary sheet 20 is located at the position of the fixing portion 21, more specifically, at the position of the fixing portion 21 on the other end 12 side of the packaging sheet 10 (on the other end 12 side where the fixing adhesive layer 45 is provided). It can be bent at the end position).

The fixing portion 21 also has a function of preventing the auxiliary sheet 20 from being displaced or bent when the absorbent article 1 is packaged. However, the fixing portion 21 is arranged at a position where the auxiliary sheet 20 can be turned upside down and extended from the edge of the packaging sheet 10 in the longitudinal direction D1, preferably near the edge of the auxiliary sheet 20 in the longitudinal direction. .. Therefore, the auxiliary sheet 20 may be displaced or bent at a portion of the auxiliary sheet 20 away from the fixed portion 21. On the other hand, since the adhesive portion 22 is provided, the auxiliary sheet 20 can be held in a predetermined position while the absorbent article 1 is packaged, and the packaging structure 50 can be used for disposal. When used as a sheet, the auxiliary sheet 20 can be easily turned inside out.

2 (c) and 3 (c) show the state after the auxiliary sheet 20 is turned inside out. As shown in FIGS. 2 (c) and 3 (c), the auxiliary sheet 20 extends beyond one end 11 of the packaging sheet 10 in the longitudinal direction D1. The length ΔL of the extended portion of the auxiliary sheet 20 after being turned inside out can be 30 to 380 mm.

As shown in FIGS. 2 (c) and 3 (c), when the auxiliary sheet 20 is turned inside out, the lower adhesive layer 41 interposed between the packaging sheet 10 and the auxiliary sheet 20 is formed. Attached to the auxiliary sheet 20. Due to the presence of such a lower adhesive layer 41, when the auxiliary sheet 20 is directly covered with the used article when the used article is wrapped in the packaging structure 50, the auxiliary sheet 20 is put on the used article. It can be pasted more reliably.

In order to attach the lower pressure-sensitive adhesive layer 41 to the auxiliary sheet 20, at least the surface of the auxiliary sheet 20 corresponding to the lower pressure-sensitive adhesive layer 41 is set as a non-peeling surface having a high affinity with the adhesive. At least the surface of the packaging sheet 10 corresponding to the lower pressure-sensitive adhesive layer 41 can be a peeling surface having a low affinity for the pressure-sensitive adhesive.

Next, with reference to FIG. 4, an operation (wrapping operation) of wrapping the used article 1a using the packaging structure 50 according to the present embodiment will be described in order to dispose of the used article 1a. As shown in FIG. 4A, in the packaging structure 50, after taking out the packaged absorbent article, the packaging sheet 10 is spread out to be flat, and the auxiliary sheet 20 is turned over to one end in the longitudinal direction D1. Prepare in a state extended from 11. Then, the used article 1a is placed on the inner surface of the packaging sheet 10. The used article 1a is often folded or rolled in the longitudinal direction of the article to form a shape close to a cylinder. In FIG. 4, the operation of wrapping the used article will be described by taking the used article 1a rolled into a substantially cylindrical shape as an example.

The used article 1a can be placed near the center of the packaging sheet 10 in the longitudinal direction D1 as shown in FIG. 4A, for example. At this time, it is preferable that the used article 1a is not placed on the auxiliary sheet 20 turned inside out. Subsequently, the user can hold the tip of the auxiliary sheet 20 and pull it as shown by the arrow in FIG. 4A. As a result, as shown in FIG. 4B, the packaging sheet 10 to which the auxiliary sheet 20 is fixed can also be pulled.

Then, the auxiliary sheet 20 can be continuously pulled until the tip of the auxiliary sheet 20 faces the other end 12 side of the packaging sheet 10 (FIG. 4 (c)). As a result, a part of the packaging sheet 10 can be wrapped around the used article 1a. At this time, since the auxiliary sheet 20 can also be directly put on the used article 1a, the used article 1a can be pressed by the auxiliary sheet 20. At this time, if the adhesive layer 41 is arranged on the surface of the auxiliary sheet 20 exposed by turning over (FIGS. 2 (c) and 4 (a)), the auxiliary sheet 20 is covered with the used article 1a. At that time, the auxiliary sheet 20 can be attached to the used article 1a. As a result, a stable wrapping operation can be obtained, and the packaging structure 50 is less likely to come off from the used article 1a after wrapping. Further, in general, the used absorbent article 1a is often rolled so that the back sheet side is on the outside (the side to which the body fluid is attached is on the inside), so that the used absorbent article 1a is arranged on the back sheet side. In many cases, the adhesive layer for preventing slippage is exposed. Therefore, as shown in FIG. 4A, the auxiliary sheet 20 can be attached to the used article 1a even if the adhesive layer 41 is not arranged on the auxiliary sheet 20.

From the state of FIG. 4C, the used article 1a can be covered with one end 11 of the packaging sheet 10 by further pulling the auxiliary sheet 20 (FIG. 4D). After that, the used article 1a may be rolled and rolled toward the other end 12 of the packaging sheet 10, or the other end 12 of the packaging sheet 10 may be covered.

As described above, when the used article 1a is wrapped by the packaging structure 50 according to the present embodiment, more specifically, the used article 1a is placed on the packaging sheet 10 and the end portion of the packaging sheet 10 is used as the used article 1a. The packaging sheet 10 can be indirectly pulled and lifted by holding the extending portion of the auxiliary sheet at a position away from the end of the packaging sheet without holding the packaging sheet 10.

Further, another example of the operation of wrapping the used article 1a using the packaging structure 50 according to the present embodiment will be described with reference to FIG.

First, as shown in FIG. 5A, the packaging structure 50 is unfolded, the auxiliary sheet 20 is turned over and extended from one end 11 in the longitudinal direction D1, and then the used article 1a is placed on the inner surface of the packaging sheet 10. Put it on. It is assumed that the used article 1a is rounded in the longitudinal direction to have a substantially cylindrical shape even in the wrapping operation according to this example. The operation up to this point is the same as that described with reference to FIG.

In the wrapping operation according to this example, as shown by the arrow in FIG. 5A, the portion 12 on the other end 12 side of the longitudinal direction D1 of the packaging sheet 10 is first covered with the used article 1a as shown by the arrow. Yes (Fig. 5 (b)). Then, from the state of FIG. 5B, as shown by the arrow, the auxiliary sheet 20 is pulled up by holding the tip of the auxiliary sheet 20 and pulled in the longitudinal direction D1. As a result, the portion of the packaging sheet 10 (the portion on the other end 12 side of the packaging sheet 10) resting on the auxiliary sheet 20 can be pulled up together with the auxiliary sheet 20. Here, when the adhesive layer is present on the back sheet side of the used article 1a, the packaging sheet 10 easily adheres to the used article 1a. Therefore, as shown in FIG. 5C, the packaging sheet 10 The other end 12 side portion is folded back and wrapped around the used article 1a.

Further, from the state of FIG. 5C, by continuously holding the tip of the auxiliary sheet 20 and pulling it toward the other end 12 side of the packaging sheet 10, the auxiliary sheet 20 is fixed following the auxiliary sheet 20. The portion on one end 11 side of the packaging sheet 10 is also pulled and lifted. Then, the auxiliary sheet 20 can be wound around the used article 1a together with one end 11 side of the packaging sheet 10 and finally fixed with the tab tape 15 (FIG. 5 (d)). At that time, the tab tape 15 is fastened to the auxiliary sheet 20.

When wrapping a used article with a wrapping sheet, the body fluid adhering to the used article, for example, the body fluid protruding from the widthwise end of the used article may come into contact with the wrapping operation and stain the hands. .. In addition, some users want to reduce the chance and time of touching the used article itself, even if they do not touch the body fluid. On the other hand, according to the present embodiment, by the wrapping operation as described with reference to FIG. 4 or 5, the wrapping sheet holds the auxiliary sheet 20 at a position away from the wrapping sheet 10 with at least one hand. You can move 10. Therefore, the chance of touching the used article itself during the wrapping operation can be reduced, and the possibility of touching the body fluid adhering to the used article can be reduced. Therefore, the used article can be hygienically wrapped and disposed of. In particular, in the wrapping operation shown in FIG. 4, it is possible to reduce the chance of touching the used article from the initial operation of the wrapping operation.

Also, when exchanging a large absorbent article for nighttime or many days with a normal or small size absorbent article, it is necessary to wrap the large used absorbent article with a normal or small size packaging sheet. is there. In such a case, the possibility of coming into contact with the body fluid adhering to the used article increases, but according to this embodiment, the auxiliary sheet 20 extending from the packaging sheet 10 can be held to perform the wrapping operation. Even if the absorbed article is large, it can be disposed of more hygienically.

The operation of wrapping the used article 1a is not limited to the illustrated example. For example, in the examples shown in FIGS. 4 and 5, the operation of placing and wrapping the used article 1a so that the lateral direction of the used article 1a is along the lateral direction D2 of the packaging structure 50 (packaging sheet 10). As described above, the used article 1a may be placed along the longitudinal direction D1 of the packaging structure 50 to start the wrapping operation. In that case, by holding the tip of the auxiliary sheet 20 and lifting the packaging sheet, the end portion in the lateral direction of the used article 1a can be covered more reliably. When the used absorbent article 1a contains a large amount of body fluid, especially when it is rolled or folded, the body fluid tends to exude from the widthwise end, so that the used article 1a is short. Body fluids are especially easy to get on your hands when covering the directional end. However, according to this embodiment, even when covering the end portion of the used article 1a in the lateral direction, the wrapping operation can be performed by holding the auxiliary sheet 20 away from the wrapping sheet 10 without directly holding the wrapping sheet 10. Therefore, the used article 1a can be wrapped more hygienically.

The packaging sheet 10 may be made of a resin film, a non-woven fabric, paper, or the like. The packaging sheet 10 may be a single-layer sheet made of these predetermined materials, or may be a laminated sheet made by laminating a plurality of layers made of different materials.

The material of the auxiliary sheet 20 is not particularly limited, and a resin film, a non-woven fabric, paper, or the like can be used. The auxiliary sheet 20 may also be either a single-layer sheet or a laminated sheet. Further, the auxiliary sheet 20 may be made of the same material as the packaging sheet 10 or may be made of a different material. Further, the auxiliary sheet 20 may have a peeling surface with respect to the pressure-sensitive adhesive layer at least partially. The peeled surface is, for example, a surface portion that can be formed by subjecting a base material made of the above-mentioned material to a peeling process. The peeling process can be performed, for example, by applying or spraying a peeling treatment liquid (release treatment liquid) such as a silicone-based resin, a fluororesin, or a tetrafluoroethylene-based resin.

In the form shown in FIGS. 1 to 3, the length W of the auxiliary sheet 20 in the lateral direction D2 is larger than the length (width) of the absorber 4 of the absorbent article 1 to be packaged in the lateral direction D2. It is small and is 70% or less of the length of the absorber 4 of the absorbent article 1 in the lateral direction D2. However, the length W of the auxiliary sheet 20 in the lateral direction D2 is not limited to that shown in the drawing, and is, for example, 80% or more of the length D2 in the lateral direction of the absorber 4 of the absorbent article 1 to be packaged, or the above-mentioned absorption. The length of the body 4 in the lateral direction D2 may be about the same as or larger than that. However, as described above, the length W of the auxiliary sheet 20 in the lateral direction D2 is preferably a length that does not overlap the sealed portion when the end portion of the packaging sheet 10 in the lateral direction D2 is sealed. , It is more preferable that the length (width) or less in the lateral direction of the absorbent article 1 itself is set.

By increasing the length W of the auxiliary sheet 20 in the lateral direction D2, the user can stably grasp the tip of the packaging sheet 20 when wrapping the used article, and the packaging sheet 10 can be stably gripped. Can be pulled to. Further, since the auxiliary sheet 20 itself can cover the used article over a wide area, the chance of touching the used article can be reduced, which is hygienic.

Further, a modified example of the packaging structure according to this embodiment will be described below. The following example is a modified example of the pressure-sensitive adhesive layer contained in the packaging structure.

FIG. 6 shows the packaging structure 150 according to the first modification of the present embodiment. FIG. 6 is a cross-sectional view of the packaging structure 150 along the longitudinal direction D1. FIG. 6A shows a state before turning over the auxiliary sheet 20, and FIG. 6B shows a state after turning over the auxiliary sheet 20. It can be said that FIGS. 6 (a) and 6 (b) correspond to the cross-sectional views shown in FIGS. 3 (b) and 3 (c) explaining the packaging structure 50, respectively.

The basic structure and function of the packaging structure 150 according to the first modification shown in FIG. 6 are the same as those of the packaging structure 50 (FIGS. 1 to 3) described above. That is, the packaging structure 150 includes a packaging sheet 10 and an auxiliary sheet 20 stacked on the packaging sheet 10, and the auxiliary sheet 20 has a fixing portion 21 fixed to the packaging sheet 10 and a packaging sheet 10. It is provided with an adhesive portion 22 (22a, 22b) that can be peeled off from the surface. Further, in the stage before turning over the auxiliary sheet 20 shown in FIG. 6A and turning it over, an adhesive layer 45 for fixing is arranged at the fixing portion 21 between the packaging sheet 10 and the auxiliary sheet 20. , The adhesive layer 41 (41a, 41b) is arranged in the adhesive portion 22 (22a, 22b).

Further, as shown in FIG. 6B, the packaging structure 150 is configured to be extendable beyond the edge of the packaging sheet 10 in the longitudinal direction D1 by turning over the auxiliary sheet 20 with the fixing portion 21 as a base point. Has been done. Here, in the above-mentioned packaging structure 50 (FIGS. 1 to 3), after the auxiliary sheet 20 is turned inside out, the adhesive layer (lower adhesive layer) 41 is attached to the auxiliary sheet 20 and is attached to the auxiliary sheet 20. Placed on the flipped surface. On the other hand, in the packaging structure 150 in this example, as shown in FIG. 6B, the pressure-sensitive adhesive layer 41 is attached to the auxiliary sheet 20 as well as to the packaging sheet 10. That is, the pressure-sensitive adhesive layer 41a is separated into the pressure-sensitive adhesive layer portion 41a'remaining on the auxiliary sheet 20 side and the pressure-sensitive adhesive layer portion 41a ″ remaining on the packaging sheet 10 side, and similarly, the pressure-sensitive adhesive layer 41b The adhesive layer portion 41b'remaining on the auxiliary sheet 20 side and the adhesive layer portion 41b' remaining on the packaging sheet 10 side are separated.

According to the configuration of this example, after the auxiliary sheet 20 is turned inside out, the adhesive layer is formed not only on the auxiliary sheet 20 but also on the inner surface of the packaging sheet 10, so that the packaging structure 150 wraps the used article. In this case (FIG. 4), the packaging sheet 10 and the portion that can come into direct contact with the packaging sheet 10, that is, the used article, the auxiliary sheet 20, and another portion of the packaging sheet 10 can be more reliably attached. ..

In order to allow the portion of the lower pressure-sensitive adhesive layer 41 to be formed not only on the auxiliary sheet 20 but also on the inner surface of the packaging sheet 10, the affinity between the pressure-sensitive adhesive constituting the pressure-sensitive adhesive layer 41 and the surface of the auxiliary sheet 20 It is possible to adjust the balance between the property and the affinity between the adhesive and the surface of the packaging sheet 10. For example, a place on the inner surface of the packaging sheet 10 (the surface on which the auxiliary sheet 20 faces and the surface on which the absorbent article is placed) where at least the adhesive layer portions 41a ″ and 41b ″ are to be formed. Can be the non-peeling surfaces 16 and 16 with respect to the pressure-sensitive adhesive constituting the pressure-sensitive adhesive layer 41. The non-peeling surfaces 16 and 16 are surfaces that have a high affinity for the pressure-sensitive adhesive layer and are difficult to peel off from the pressure-sensitive adhesive. For example, the non-peeling surfaces 16 and 16 are coated with a coating liquid containing a substance having a high affinity for the adhesive to be used, or depending on the material of the packaging sheet 10, the above-mentioned peeling process is simply performed. It can be formed by leaving it unprocessed without the need for.

Alternatively, the pressure-sensitive adhesive layer (lower pressure-sensitive adhesive layer) 41 is previously formed into two layers so as to be vertically separable, and at a predetermined position, the affinity between the pressure-sensitive adhesive layer 41 and the auxiliary sheet 20 and the pressure-sensitive adhesive. Both the affinity between the layer 41 and the packaging sheet 10 can be enhanced. As a result, when the auxiliary sheet 20 is turned inside out, the adhesive layer can be separated into two layers so that one is arranged on the auxiliary sheet 20 side and the other is arranged on the packaging sheet 10 side.

After adjusting the type of adhesive, the surface condition of the auxiliary sheet 20 and the surface condition of the packaging sheet 10, and turning the auxiliary sheet 20 over, the adhesive layer (lower adhesive layer) 41 is arranged only on the packaging sheet 10 side. It can also be done.

FIG. 7 shows the packaging structure 250 according to the second modification of the present embodiment. The packaging structure 250 according to the second modification will be described with reference to a perspective view. FIG. 7A is a diagram showing a state in which the absorbent article 1 is placed on the packaging structure 250. FIG. 7B shows the packaging structure 250 after the absorbent article 1 has been removed, and FIG. 7C shows the state after the auxiliary sheet 20 of the packaging structure 250 has been turned inside out. ..

The basic structure and function of the packaging structure 250 according to the second modification shown in FIG. 7 are the above-mentioned packaging structure 50 (FIGS. 1 to 3) and the packaging structure 150 according to the first modification (FIG. 6). Is similar to. That is, as shown in FIGS. 7A to 7B, the packaging structure 15 includes a packaging sheet 10 and an auxiliary sheet 20 superposed on the packaging sheet 10, and the auxiliary sheet 20 is a packaging sheet. It includes a fixing portion 21 fixed to the 10 and an adhesive portion 22 (22a, 22b) that can be peeled off from the packaging sheet 10.

As shown in FIG. 7A, the upper pressure-sensitive adhesive layer 42 is configured as a plurality of strip-shaped pressure-sensitive adhesive layers 42a, 42b, 42c extending along the longitudinal direction D1.

In the example described with reference to FIGS. 2 and 3, when the absorbent article 1 is removed from the packaging structure 50, the upper adhesive layer 42 is removed from the packaging structure 50 along with the absorbent article 1. It is removed (FIG. 3A) and functions as a slip stopper for the absorbent article 1. On the other hand, in the packaging structure 250 according to this example, when the absorbent article 1 is removed from the packaging structure 250, a part of the upper adhesive layer 42 is attached to the absorbent article 1, but another part is attached to the packaging structure 250. Specifically, it is configured to stay on the auxiliary sheet 20.

That is, as shown in FIG. 7B, after the absorbent article 1 is removed, the adhesive layers 42a and 42c are arranged on the back sheet side of the absorbent article 1 to assist the packaging structure 250. The pressure-sensitive adhesive layer 42b is arranged on the sheet 20. As described above, in this example, the pressure-sensitive adhesive layer is also formed on the upper side of the auxiliary sheet 20 (the side opposite to the side facing the packaging sheet 10).

Since the adhesive layer is formed on the upper side of the auxiliary sheet 20, for example, in the wrapping operation described with reference to FIG. 4, the packaging sheet 10 is further placed on the auxiliary sheet 20 covered with the used article 1a. The auxiliary sheet 20 and the packaging sheet 10 can be satisfactorily adhered to each other. As a result, the wrapping operation as shown in FIG. 4 can be performed more reliably, and the packaging structure 250 is less likely to come off from the used article 1a even after wrapping.

Further, in the wrapping operation described with reference to FIG. 5, when the auxiliary sheet 20 and the packaging sheet 10 are wound, the tab tape 15 is placed on the surface of the auxiliary sheet 20 opposite to the side facing the packaging sheet 10 (before turning over). It can be anchored on the surface exposed to (FIG. 5 (d)). In that case, as shown in FIG. 7B, if the upper adhesive layer 42 remains on the upper side of the auxiliary sheet 20, the tab tape 15 and the auxiliary sheet 20 can be more reliably fixed to each other. In particular, since the tab tape 15 is provided near the center of the lateral direction D2, when the central adhesive layer 42b of the upper adhesive layer 42 is arranged on the auxiliary sheet 20, the tab tape 15 is provided. The tab tape 15 can be satisfactorily adhered to the auxiliary sheet 20.

As in this example, in order to transfer a part of the upper adhesive layer 42 to the absorbent article 1 and another part to the auxiliary sheet 20, the adhesive constituting the upper adhesive layer 42 and the back surface of the absorbent article 1 The balance between the affinity with the sheet and the affinity between the adhesive and the surface of the auxiliary sheet 20 can be adjusted. For example, in the back sheet of the absorbent article 1, the portion where the pressure-sensitive adhesive layer 42b is arranged can be a peeling surface, and the portion where the pressure-sensitive adhesive layers 42a and 42c are arranged can be a non-peeling surface.

As described above, in the packaging structure according to the present embodiment, the packaging sheet 10 and the auxiliary sheet 20 can be provided with the pressure-sensitive adhesive layer, and such a pressure-sensitive adhesive layer wraps the used absorbent article. When wrapping with a structure, each element is used for sticking each element, that is, the wrapping sheet 10 or the auxiliary sheet 20 and the used article, the wrapping sheet 10 or the auxiliary sheet 20 and the tab tape 15, or the sheets. can do. This makes it possible to more reliably wrap the used article and prevent the packaging structure from coming off the used article even after packaging.

The position, size, number, and the like of the adhesive layer exposed when the packaged absorbent article 1 is removed and the auxiliary sheet 20 is turned upside down are not particularly limited. Depending on the type of the pressure-sensitive adhesive, the surface of the packaging sheet 10 and the auxiliary sheet 20 facing the pressure-sensitive adhesive layer and the surface of the recoverable article 1 on the back surface sheet 2 side are desired by adjusting the affinity for the pressure-sensitive adhesive. A packaging structure can be provided with the location, size, and number of adhesive layers.

1 Absorbent article 1a Used absorbent article 2 Back sheet 3 Front sheet 4 Absorbent 10 Packaging sheet 11 One end in the longitudinal direction 12 The other end in the longitudinal direction 15 Tab tape 16 Non-peeling surface of the packaging sheet 20 Auxiliary sheet 21 Adhesive part 22, 22a, 22b Adhesive parts 41, 41a, 41b Adhesive layer (lower adhesive layer)
42, 42a, 42b, 42c adhesive layer (upper adhesive layer)
45 Adhesive layer for fixing 50, 150, 250 Packaging structure 100 Packaging absorbent article D1 Longitudinal direction of packaging sheet and packaging structure D2 Short direction of packaging sheet and packaging structure L Longitudinal length of auxiliary sheet W Auxiliary Short side length of the sheet

Claims (6)

A packaging structure including a packaging sheet having a longitudinal direction and a lateral direction and an auxiliary sheet stacked on the packaging sheet, and the absorbent article is placed on the auxiliary sheet and folded to wrap the absorbent article. And
The auxiliary sheet has a fixed portion fixed to the packaging sheet and an adhesive portion that can be peeled off from the packaging sheet, and is turned over in the longitudinal direction with the fixed portion as a base point in the longitudinal direction of the packaging sheet. A packaging structure that can extend beyond the edges of the package. In the state before the auxiliary sheet is turned over, the lower adhesive layer is interposed between the packaging sheet and the auxiliary sheet at the position of the adhesive portion.
The packaging structure according to claim 1, wherein at least a part of the lower pressure-sensitive adhesive layer is arranged on the packaging sheet with the auxiliary sheet turned inside out. The packaging structure according to claim 2, wherein at least a region of the packaging sheet on which the lower pressure-sensitive adhesive layer is arranged is a non-peeling surface with respect to the lower pressure-sensitive adhesive layer. With the absorbent article packaged, an upper pressure-sensitive adhesive layer is interposed between the absorbent article and the auxiliary sheet.
From claim 1, in a state after the absorbent article has been removed, the first portion of the upper pressure-sensitive adhesive layer is arranged on the absorbent article and the second portion is arranged on the auxiliary sheet. The packaging structure according to any one of 3. The packaging structure according to claim 4, wherein at least a region of the auxiliary sheet facing the first portion is a peeling surface with respect to the upper pressure-sensitive adhesive layer. A package absorbent article comprising the packaging structure according to any one of claims 1 to 5 and the absorbent article.

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