TW202337414A - Absorbent-article accommodating body and absorbent-article package group - Google Patents

Abstract

Provided is an absorbent-article accommodating body in which deterioration in the appearance of the accommodating body due to a sheet edge section extending from a sheet joint section is suppressed and which can hygienically accommodate absorbent articles. The absorbent-article accommodating body accommodates, with an accommodating sheet (10) made of a thermoplastic resin, a plurality of absorbent articles (20) having absorbent cores. A first surface (101) of the accommodating body is provided with a sheet joint section (11) where portions of the accommodating sheet are joined to each other and a sheet edge section (12), which is a portion of the accommodating sheet extending to the outside of the accommodating body beyond the sheet joint section. The sheet joint section and the sheet edge section are adjacent to each other in the extending direction and have predetermined lengths in the extending direction. A length (Z12) of the sheet edge section in the extending direction is shorter than a length (Z11) of the sheet joint section in the extending direction.

Description

Absorbent article container and absorbent article packaging bag set

The present invention relates to an absorbent article storage body that stores a plurality of absorbent articles using a storage sheet made of thermoplastic resin, and an absorbent article packaging bag set.

A storage body that stores a plurality of absorbent articles using a storage sheet is known (for example, see Patent Document 1). The storage body of Patent Document 1 is provided with a sheet joining portion for joining the storage sheets to each other. In addition, a packaging bag made of thermoplastic resin is usually used as the storage sheet of the absorbent article storage body (for example, Patent Document 2). This packaging bag is called a gusset bag. One side of the cylindrical bag is open and folded inward along the central fold line formed on both sides of the bag to form a gusset and fold into a sheet shape. The sheet joint portion fills such a packaging bag with articles and then seals the opening. [Prior technical literature] [Patent Document]

[Patent Document 1] Japanese Patent Application Laid-Open No. 2016-125489 [Patent Document 2] Japanese Patent Application Publication No. 6-263125

When the absorbent articles are inserted into the gusset bag, the absorbent articles (individual packaging bodies) are inserted in a state of being stacked in plural while being pressed in the thickness direction. At this time, if the absorbent article is pressed excessively, the absorbent core material may become locally hardened, thereby hindering the absorbent performance or worsening the wearing feel. Therefore, in order not to press the absorbent article excessively, the laminated body of the absorbent article is inserted while leaving a space relative to the internal dimensions of the packaging bag. In this way, if a dimensional difference occurs between the inner dimensions of the packaging bag and the outer dimensions of the laminate, the positions of the stored sheets at the sheet joint portion are likely to shift. Therefore, it may be difficult to form the sheet joint portion neatly.

When manufacturing a container for absorbent articles, a plurality of containers are manufactured continuously to form a sheet joint, and the storage sheet is cut near the sheet joint to obtain individual containers. At this time, there are cases where the storage sheets are not joined to each other and are formed with laminated sheet edges outside the sheet joining portion. If the positional deviation of the stored sheets occurs in a container with the sheet edge formed therein, the positional shift of the stored sheets may become conspicuous at the sheet edge, which may impair the appearance. Furthermore, if the positions of the stored sheets are shifted, the shifted portions may be caught, and the sheet joints may be accidentally opened due to the hooking. Therefore, there is a risk that the absorbent article cannot be continuously stored hygienically.

The present invention was developed in view of such problems, and its object is to provide an absorbent article that can contain the absorbent article hygienically while suppressing the deterioration of the aesthetics of the container due to the edge of the sheet extending from the joint portion. Packaging bag set for container and absorbent articles.

A type of absorbent article storage body stores a plurality of absorbent articles having an absorbent core material through a storage sheet made of thermoplastic resin. The first surface of the container is provided with: a sheet joint portion for joining the storage sheets to each other; and a sheet edge portion of the storage sheet extending toward the outside of the container than the sheet joint portion. The sheet joint portion and the sheet edge portion are adjacent to each other in the extending direction and have a predetermined length in the extending direction. The length of the sheet edge portion in the extending direction is shorter than the length of the sheet joint portion in the extending direction.

A type of packaging bag set for absorbent articles is provided with a plurality of absorbent article storage bodies. The said container includes: a first container; and a second container whose length in the extending direction is longer than that of the first container. The first length along the extending direction of the joining portion of the sheet at the first container plus the edge of the sheet is the joint with the sheet at the second container plus the edge of the sheet The second length in the extending direction is the same.

(1) Summary of implementation form

Based on the descriptions in this manual and the drawings, at least the following matters can be made clearer. A type of absorbent article storage body stores a plurality of absorbent articles having an absorbent core material through a storage sheet made of thermoplastic resin. The first surface of the container is provided with: a sheet joint portion for joining the storage sheets to each other; and a sheet edge portion of the storage sheet extending toward the outside of the container than the sheet joint portion. The sheet joint portion (11) and the sheet edge portion (12) are adjacent in the extending direction (Z) and have a predetermined length in the extending direction. The length (Z12) of the sheet edge portion in the extending direction is shorter than the length (Z11) of the sheet joint portion in the extending direction. According to this aspect, since the length of the sheet edge in the extending direction is relatively short, even if the sheet edge does not stand up and is arranged along the outer surface of the first surface, the sheet edge will not Prevents the display of patterns, etc. on the first side of the container. Furthermore, since the length of the sheet edge portion in the extending direction is relatively short, even when the sheet edge portion stands up, it is possible to suppress the deterioration in appearance caused by the sheet edge portion having low rigidity not being stably arranged. On the other hand, since the length of the sheet joint portion in the extending direction is long, the joint strength by the sheet joint portion can be ensured. Therefore, even if the user attempts to open the sheet joint by mistake, the sheet joint will not be opened, and the absorbent article can be continuously stored in a hygienic manner.

According to an ideal aspect, the storage sheet is joined at the sheet joining portion and has a first area and a second area that overlap separately at the edge of the sheet. The sheet edge portion has a bottom end located on the sheet joint portion side, and a front end opposite to the bottom end of the sheet edge portion. In the natural state of the container, the angle formed by the first imaginary line (FL1) connecting the bottom end and the front end of the sheet edge in the first region and the extending direction is 25 degrees or less. In the natural state of the container, the angle formed by the second imaginary line (FL2) connecting the bottom end and the front end of the sheet edge in the second region and the extending direction is 25 degrees or less. According to this aspect, since the edge portions of both sheets stand up and are not arranged along the outer surface of the first surface, the edge portions of the sheets are less likely to block the display of patterns, etc., on the first surface of the container, thereby suppressing the appearance of the container. reduce.

According to an ideal aspect, the sheet joint portion and the sheet edge portion extend along a first direction orthogonal to the extending direction. The storage sheet is joined at the sheet joining portion, and has a first region and a second region that overlap separately at the edge of the sheet. The sheet joining portion has a plurality of pressing portions that press both the first region and the second region. The pressing part includes: a first pressing part (41) recessed from the first region side toward the second region side; and a second pressing part (42) recessed from the second region side toward the first region side. The first pressing part and the second pressing part are arranged offset in one of the first direction and the extending direction. According to this aspect, by providing the first pressing part and the second pressing part, even if the sheet joint part is deformed by an external force, it can easily return to the original state. Therefore, it is easy to maintain the upright state of the sheet edge part and the sheet joint part. Furthermore, even if the sheet joint portion is deformed, it is easy to return to its original state, so that local application of force to the absorbent core material can be suppressed, and the absorbent performance can be maintained.

According to an ideal aspect, the first pressing part and the second pressing part are alternately arranged in the first direction. According to this aspect, a plurality of deformation starting points are formed along the first direction at the sheet joint portion. Therefore, when the sheet joint portion is deformed, it becomes easy to return, and it is easy to maintain the upright state of the sheet joint portion and the sheet edge portion. Furthermore, even if the sheet joint portion is deformed, it is easy to return to the original state, so that local application of force to the absorbent core material can be suppressed, and the absorbent performance can be further maintained.

According to an ideal aspect, the sheet joint portion has a high pressing portion provided with the pressing portion, and a low pressing portion having a relatively lower pressing degree than the high pressing portion. According to this aspect, since the high-pressure part and the low-pressure part with different rigidities are formed in the sheet joint part, a starting point of deformation is formed in the sheet joint part based on the difference in rigidity. Therefore, when the sheet joint portion is deformed, it becomes easy to return, and it is easy to maintain the upright state of the sheet joint portion and the sheet edge portion. Furthermore, even if the sheet joint portion is deformed, it is easy to return to its original state, so that local application of force to the absorbent core material can be suppressed, and the absorbent performance can be maintained.

According to a preferred aspect, the sheet joint portion is provided with a colored area for coloring the storage sheet. At least part of the pressing part is provided in the colored area. Colored areas are more rigid than non-colored areas due to the addition of pigment or ink. By providing the pressing portion in the colored area, the colored area becomes easier to stand up, and it becomes easier to maintain the standing property of the sheet joint portion.

According to an ideal aspect, the front end of the edge of the sheet is in a jagged or wavy shape. According to this aspect, a plurality of deformation starting points separated in the first direction are formed at the tip of the edge of the sheet. Therefore, when the sheet edge is deformed, it becomes easy to return and the sheet edge is easily maintained in an upright state.

According to an ideal aspect, the sheet joint portion and the sheet edge portion extend along a first direction orthogonal to the extending direction. The container has a second surface (102) disposed opposite to the first surface (101). The sheet joining portion and the sheet edge portion are provided on the second surface. The sheet joining portion on the first surface and the sheet joining portion on the second surface are inclined in the same direction with respect to an imaginary line along the first direction. According to this aspect, since the sheet joint portion on the first surface and the sheet joint portion on the second surface are inclined in the same direction, no twisting force is exerted on the absorbent core material of the absorbent article, and the absorbent performance can be ensured.

According to an ideal aspect, the sheet joint portion and the sheet edge portion extend along a first direction orthogonal to the extending direction. The container has a second surface (102) disposed opposite to the first surface (101). The sheet joining portion and the sheet edge portion are provided on the second surface. The sheet joining portion on the second surface and the sheet joining portion on the first surface are inclined in opposite directions with respect to an imaginary line along the first direction. According to this aspect, since the sheet joint portion on the first surface and the sheet joint portion on the second surface are inclined in opposite directions, the force exerted by the sheet joint portions supporting each other in different directions can stabilize the arrangement and storage. body.

According to an ideal aspect, the container has a second surface arranged to face the first surface. The sheet joining portion and the sheet edge portion are provided on the second surface. Let the distance between the sheet joining portion of the first surface and the sheet joining portion of the second surface in the extending direction be G11, let the length of the absorbent article in the extending direction be Z20, and let the distance in the extending direction of the absorbent article be Z20. Let the length of the sheet joining portion on one side in the extending direction be Z111, and let the length of the sheet joining portion on the second side in the extending direction be Z112, then (Z111+Z112)>( G11-Z20). According to this aspect, (Z111+Z112) is a region with high rigidity and not easily deformed. On the other hand, (G11-Z20) is a movable length of the absorbent article in the container and is an area that is easily deformed. Since the length of the easily deformed region is short, (Z111+Z112) can suppress both the positional displacement of the storage bodies and the displacement of the absorbent article in the storage body.

If it is based on an ideal form, it can meet Z111＜(G11-Z20), and it can meet Z112＜(G11-Z20). According to this aspect, (G11-Z20) is the length of the offset space where the absorbent article can be absorbed in the container, and is an area that is relatively easy to deform. Since Z111 (Z112) is shorter than (G11-Z20), even if the sheet joining portion on the first surface (or the sheet joining portion on the second surface) is pressed toward the inside of the container, deformation of the absorbent article can be suppressed.

According to an ideal aspect, the sheet joint portion and the sheet edge portion extend along a first direction orthogonal to the extending direction. The storage sheet is joined at the sheet joining portion, and has a first area and a second area that overlap separately at the edge of the sheet. If the length of the offset between the first region and the second region in the first direction is X13, Z111>X13 is satisfied, and Z112>X13 is satisfied. According to this aspect, if the length X13 of the offset (extended portion) in the first direction is longer than the length of the sheet joint portion 11 in the extending direction, the extended portion will become conspicuous and the appearance will deteriorate. And there is a risk of accidentally opening the sheet joint by being caught by the extended part. However, since Z111 > X13 and Z112 >

According to an ideal aspect, a display unit for displaying information on the absorbent article may be provided at the sheet joining portion. According to this aspect, if the user's attention is drawn to the display portion of the sheet joint portion, the sheet edge can be made relatively inconspicuous, and the deterioration of the appearance caused by the sheet edge can be suppressed.

A type of packaging bag set for absorbent articles is provided with a plurality of absorbent article storage bodies. The said container includes: a first container; and a second container whose length in the extending direction is longer than that of the first container. The first length along the extending direction of the joining portion of the sheet at the first container plus the edge of the sheet is the joint with the sheet at the second container plus the edge of the sheet The second length in the extending direction is the same. The first storage body and the second storage body have different lengths in the extending direction of the entire storage body, but the combined lengths of the sheet joint portion and the sheet edge portion (the first length and the second length) are the same. The second storage body is larger than the first storage body and has a lower proportion of the sheet joint portion and the sheet edge portion, thereby improving the appearance. In addition, although the proportions of the sheet joint portion and the sheet edge portion are different, the first length and the second length are the same. Therefore, consumers can easily identify the packaging bag set in which the first container and the second container are related.

(2) Structure of the absorbent article container Hereinafter, the absorbent article storage body 1 (hereinafter, referred to as the storage body 1) according to the embodiment will be described with reference to the drawings. In addition, in the following drawing description, the same or similar parts are given the same or similar symbols. However, the figures are schematically displayed, so please note that the proportions of each size may differ from those of the actual product. Therefore, specific dimensions, etc. should be judged with reference to the following description. In addition, the drawings may include different parts such as mutual dimensional relationships and proportions.

FIG. 1 is a perspective view of the container 1 according to the embodiment. Figure 2 is a top view of the container 1. FIG. 3 is an enlarged view of part A shown in FIG. 2 . Figure 3(A) shows the natural state, and Figure 3(B) shows the stretched state. Here, the natural state refers to placing the container 1 on a flat board, holding the sheet joints on both sides horizontally with the extending direction, and then turning the sheet joint 11 toward the extending direction Z. Pull the outside until the wrinkles on the front and back of the container become invisible. Then, with the pulling hand released, leave it for 30 minutes at a temperature of 20±2°C and a humidity of 50%. In addition, the extended state refers to holding the sheet joint portions on both sides with hands, and then pulling the sheet joint portion 11 outward in the extending direction Z until the wrinkles on the front and back of the container become invisible. status so far. Furthermore, when joining the accommodation sheets, the sheet joining portion is formed in an area overlapping the wrinkles formed on the sheet, until the wrinkles other than the wrinkles overlapping the sheet joining portion become invisible, and the two are pulled together. Just connect the sheet joints on the side.

The container 1 packs a plurality of absorbent articles 20 using the container sheet 10 . The storage body 1 has a storage space 5 for accommodating the absorbent article 20 inside by folding the storage sheet 10 and joining the storage sheet 10 . In the storage space 5, a plurality of absorbent articles 20 are stored. Examples of the absorbent article 20 include disposable diapers, sanitary napkins, incontinence pads, panty liners, and the like. The absorbent articles 20 can be stacked in the storage body 1 in the thickness direction of the absorbent articles 20 . The absorbent article 20 can be stored in the container 1 with only the main body portion 21 used during use (sanitary napkin, disposable diaper, etc.), or it can be stored in the container 1 through the packaging sheet 22 (see Figure 2) It is stored in the container 1 in an individually packaged state.

As the absorbent article 20, a conventional absorbent article 20 can be suitably used. However, it is ideal to use an absorbent article 20 with a softer absorbent core material. As will be described later, the structure of the container 1 of this embodiment is to suppress the absorbent core material from becoming hardened locally. Specifically, in the absorbent article 20, the area including the absorbent core material can have a bending rigidity value of 5.0 to 35.0 mN·m in the length direction and the width direction. The bending rigidity can be measured according to the following procedure, for example. (1) In a constant temperature and humidity room (20±2℃・60±5%RH), prepare the IMADA torque testing machine EX-0762. The load element is set to 50N for tension and compression, and the torque is set to 1N. (2) As shown in Table 1, cut out the sample. (3) At both ends of the sample in the measurement direction, affix a 50mm × 20mm cloth tape so that its length direction is orthogonal to the measurement direction so that the distance between the fixtures is as shown in Table 1. The end forms a grasping part. (4) Mount the sample to the fixture, and measure its maximum torque value (mN·m) under the conditions shown in Table 1. (5) The measurement was performed five times with different samples, and the average value was adopted as the bending rigidity value.

The storage sheet 10 can be made of a resin film, and can be shaped into a substantially rectangular parallelepiped. The container 1 may be a hexahedron having a first surface 101 to a sixth surface 106 in a substantially rectangular shape. The first to sixth surfaces 101 to 106 may be rectangular surfaces. The first surface 101 to the sixth surface 106 may not intersect perpendicularly but may intersect in a curved shape at the boundaries where they intersect each other. The first surface 101 and the second surface 102 are arranged to face each other, the third surface 103 and the fourth surface 104 are arranged to face each other, and the fifth surface 105 and the sixth surface 106 are arranged to face each other. The first surface 101 is a surface provided with a sheet joining portion 11 described below. Furthermore, in the case where the sheet joining portion 11 is provided on a plurality of surfaces (the sheet joining portion 11 in this embodiment is provided on the first surface 101 and the second surface 102), any of the surfaces on which the sheet joining portion 11 is formed can be used. side as side 101. In the container 1, a cut line 3 for forming an opening for taking out the absorbent article 20 can be formed. The cutting line 3 in this embodiment is provided on the first surface and extends along the first direction X with a gap from the sheet joining portion 11 in the second direction Y.

The container 1 has a first direction X, a second direction Y, and an extending direction Z that are orthogonal to each other. The first surface 101 and the second surface 102 are surfaces surrounded by a side extending in the first direction X and a side extending in the second direction Y. The first surface 101 and the second surface 102 are separated in the extension direction Z and face each other. The third surface 103 and the fourth surface 104 are surfaces surrounded by a side extending in the first direction X and a side extending in the extending direction Z. The third surface 103 and the fourth surface 104 are separated in the second direction Y and face each other. The fifth surface 105 and the sixth surface 106 are surfaces surrounded by a side extending in the second direction Y and a side extending in the extending direction Z. The fifth surface 105 and the sixth surface 106 are separated in the first direction X and face each other. In the container 1 of this embodiment, among the first to sixth surfaces 101 to 106, the third surface 103 and the fourth surface 104 have larger areas, and the third surface 103 constitutes the front surface, and the fourth surface 104 constitutes the back surface. The fifth surface 105 constitutes the upper surface, and the sixth surface 106 constitutes the lower surface. The first surface 101 and the second surface 102 constitute side surfaces. In the state shown in FIG. 1 , the first direction X extends in the longitudinal direction, the second direction Y extends in the depth direction, and the extension direction Z extends in the transverse direction. The extension direction Z is the direction in which the sheet joint portion 11 and the sheet edge portion 12, which will be described later, are adjacent to each other.

The storage sheet 10 may be made of a thermoplastic resin sheet. The storage sheet 10 may be at least a sheet made of thermoplastic resin, or may be a laminated sheet overlapped with other sheets. The sheet joining portion 11 is a portion where the sheets 10 are joined to each other. It may be a part joined by welding such as thermal welding or ultrasonic welding, or it may be a part joined with an adhesive. The sheet edge portion 12 is located outside the sheet joint portion 11 in the extending direction Z. The sheet edge portion 12 is a portion where the accommodation sheets 10 are not joined to each other, or a portion where the accommodation sheets 10 are joined to each other with a weaker joining force than the sheet joining portion 11 . The sheet joint portion 11 and the sheet edge portion 12 extend along the first direction X. The sheet joint portion 11 and the sheet edge portion 12 are adjacent to each other in the extension direction Z and have a predetermined length in the extension direction Z. The sheet joint portion 11 and the sheet edge portion 12 are provided on the first surface 101 . Furthermore, the sheet joint portion 11 and the sheet edge portion 12 may be provided on a surface other than the first surface 101. In this embodiment, they may also be provided on the second surface 102. In this embodiment, the concept of a structure extending in a certain direction includes not only a structure parallel to the direction but also a structure extending less than 45 degrees to the direction. It is preferable that the sheet joint portion 11 and the sheet edge portion 12 are inclined at less than 10 degrees with respect to the first direction X, and more preferably at less than 5 degrees with respect to the first direction X.

Next, a structure for hygienically storing the absorbent article 20 while suppressing deterioration in the appearance of the container 1 configured in this way will be described in detail. As shown in FIG. 3 , the length Z12 of the sheet edge portion 12 of the container 1 in the extending direction Z is shorter than the length Z11 of the sheet joint portion 11 in the extending direction Z. The storage sheet 10 is usually made of flexible material. Therefore, the positional relationship and length of this embodiment are measured in the extended state of the container 1 unless otherwise specified. Therefore, in a state where the sheet joint portion 11 and the sheet edge portion 12 are extended in the extending direction Z, Z12<Z11 can be satisfied. Furthermore, in a state where the length Z11 of the sheet joint portion 11 in the extension direction Z and the length Z12 of the sheet edge portion 12 in the extension direction Z change in the first direction X, between the sheet joint portion 11 and the sheet edge portion 12 adjacent positions are compared. Specifically, an imaginary line parallel to the extension direction Z is drawn, and Z12<Z11 can be satisfied on this imaginary line. The container 1 of this embodiment is configured so that the length of the sheet edge 12 in the extending direction Z is short. Therefore, even when the sheet edge 12 is not raised but is arranged along the outer surface of the first surface 101 , the sheet edge 12 hardly blocks the display of patterns or the like on the first surface 101 of the container. Furthermore, even when the sheet edge portion 12 stands up, it is possible to suppress deterioration in the appearance caused by the sheet edge portion 12 having low rigidity being not stably arranged.

When inserting the absorbent articles 20 into the gusset bag (accommodating sheet 10), a plurality of absorbent articles 20 are inserted in a stacked state while being pressed in the thickness direction. At this time, if excessive pressure is applied, the absorbent core material may become locally hardened, which may impede the absorbent performance or worsen the wearing feel. Therefore, in order not to press the absorbent article 20 excessively, the laminated body of the absorbent article 20 is inserted while leaving space relative to the internal dimensions of the bag. In this way, if a dimensional difference occurs between the inner dimensions of the bag and the outer dimensions of the laminate, the positions of the sheets 10 stored in the sheet joint portion 11 and the sheet edge portion 12 are likely to shift. FIG. 4 is an enlarged view based on part B shown in FIG. 1 , showing the positional deviation of the storage sheets 10 relative to each other. As shown in FIG. 4 , if the sheet joint 11 is formed between the sheet 10 on the third side 103 and the sheet 10 on the fourth side 104 while being offset in the first direction X, the two sheets will be formed. The portion where the joining process is performed (corresponding to the sheet joining portion 11), and the portion where only one of the storage sheets (the storage sheet 10 on the fourth surface 104 side in FIG. 4) is joined and processed (indicated by hatched lines and symbols in FIG. 4 13). Therefore, an extended portion 13 from which one of the receiving sheets 10 extends is formed on the outer side in the first direction X than the sheet joint portion 11 where the two storage sheets 10 are joined, and is closer to the sheet joint portion 11 On the outside in the extending direction Z, a portion (corresponding to the sheet edge 12 ) where the two storage sheets overlap without being joined is formed. If the length of the sheet edge 12 in the extending direction Z is long, the extending portion 13 formed by the misalignment of the receiving sheets 10 may become conspicuous and may impair the appearance. However, since the length Z12 of the sheet edge 12 in the extending direction Z is short, the positional deviation of the stored sheets 10 can be made less conspicuous. On the other hand, since the length Z11 in the extending direction Z of the sheet joint portion 11 is long, the sheet joint portion 11 with high rigidity stands up, and the sheet edge portion 12 can easily stand up following the sheet joint portion 11 . Since the sheet edge 12 is also raised, it is possible to suppress the deterioration of the appearance of the container 1 caused by the sheet edge 12 falling along the first surface 101 . In addition, since the length Z11 in the extending direction Z of the sheet joint portion 11 is long, the joint strength by the sheet joint portion 11 can be ensured. Therefore, even if the user attempts to open the sheet joining portion 11 by mistake, the sheet joining portion 11 will not be opened, and the absorbent article 20 can be continuously stored hygienically.

The length Z11 in the extending direction of the sheet joint portion 11 can be 1 mm or more, and ideally can be 1.5 mm or more. In addition, the length Z12 in the extending direction of the sheet edge 12 may be less than 1.5 mm, and ideally may be less than 1.0 mm. Furthermore, the ratio of the length Z12 in the extending direction of the sheet edge portion 12 to the length Z11 in the extending direction of the sheet joint portion 11 may be less than 1.0, but is preferably 0.7 or less.

As shown in FIG. 3(A) , the storage sheet 10 is joined at the sheet joining portion 11 and may have a first region R1 and a second region R2 that overlap separately in the sheet edge portion 12 . The first region R1 is located on the third surface 103 side and is located in a region extending from the third surface 103 . The second region R2 is located on the fourth surface 104 side and is located in a region extending from the fourth surface 104 . The sheet edge portion 12 has a bottom end 121 located on the sheet joint portion 11 side and a front end 122 on the opposite side to the bottom end 121 of the sheet edge portion 12 . In the natural state of the container 1 , the angle α formed by the first imaginary line FL1 connecting the bottom end 121 and the front end 122 of the sheet edge 12 in the first region R1 and the extending direction Z may be 25 degrees or less. In addition, in the natural state of the container 1, the angle β formed by the second imaginary line FL2 connecting the bottom end 121 and the front end 122 of the sheet edge 12 in the second region R2 and the extending direction Z may be 25 degrees or less. . According to this structure, since both sheet edges 12 stand up and are not arranged along the outer surface of the first surface 101, the sheet edges 12 are less likely to hinder the display of patterns or the like on the first surface 101 of the container.

Moreover, the angle formed by the 1st imaginary line FL1 and the 2nd imaginary line FL2 is 50 degrees or less. If only one of them is erected and the other is arranged along the outer surface of the first surface 101, the first area R1 and the second area R2 are arranged separately. When one of them is pulled, etc., the first area R1 and the second area R2 are separated from each other. 2. The region R2 is pulled in the separation direction, and there is a risk of accidentally opening the sheet joint 11. However, since the first region R1 and the second region R2 form an acute angle of 50 degrees or less and are arranged along each other, the sheet joint portion 11 can be prevented from being accidentally opened. The angle formed by the first imaginary line FL1 and the second imaginary line FL2 may be 50 degrees or less, but it may be ideally 25 degrees or less, and more preferably 10 degrees or less.

FIG. 5 is a schematic cross-sectional view of the sheet joint portion 11 . FIG. 5 is a cross-section based on the center of the extending direction of the sheet joint portion 11 . FIG. 5(A) shows the sheet joining part 11 of this embodiment, and FIG. 5(B) shows the sheet joining part 11 of the comparative example. The sheet joining portion 11 has a plurality of pressing portions 40 that press both the first region R1 and the second region R2. A plurality of pressing parts 40 may be provided along the first direction X. The pressing part 40 may include a first pressing part 41 that is recessed from the first region R1 side toward the second region R2 side, and a second pressing part 42 that is recessed from the second region R2 side toward the first region R1 side. That is, the pressing part 40 is pressed and formed from the first region R1 side, and is also pressed and formed from the second region R2 side. The first pressing part 41 and the second pressing part 42 are arranged offset in one of the first direction X and the extending direction Z. That is, the position of the first pressing part 41 and the position of the second pressing part 42 in the first direction But it's different. In this embodiment, the position of the first pressing part 41 in the extension direction Z coincides with the position of the second pressing part 42, and the position of the first pressing part 41 in the first direction X coincides with the position of the second pressing part 42. different.

For example, in the comparative example shown in FIG. 5(B) , in a form having only the pressing part 40 pressed from one side of the first region R1 and the second region R2, the bending rigidity with respect to the external force from one side and the The bending rigidity of the external force coming from the other side is different. Therefore, it is difficult to maintain the upright state of the sheet edge portion 12 and the sheet joint portion 11, and the pattern on the outer surface of the container 1 may be covered, thereby degrading the appearance of the container. However, by providing the first pressing part 41 and the second pressing part 42, even if the sheet joining part 11 is deformed by an external force in any direction, it can easily return to its original shape, so the sheet edge part 12 and the sheet joining part 11 can be easily maintained. Upright state. Furthermore, even if the sheet joint portion 11 is deformed, it is easy to return to the original state, so that local application of force to the absorbent core material can be suppressed, and the absorbent performance can be maintained.

The first pressing part 41 and the second pressing part 42 may be alternately arranged in the first direction X. Since the first pressing portions 41 and the second pressing portions 42 are alternately arranged in the first direction X in which the sheet joining portion 11 extends, a plurality of deformation starting points are formed in the sheet joining portion 11 along the first direction X. Therefore, when the sheet joint portion 11 is deformed, it becomes easy to return to the original state, and the sheet joint portion 11 and the sheet edge portion 12 are easily maintained in an upright state. In addition, even if the sheet joint portion 11 is deformed, it is easy to return to the original state, so that local application of force to the absorbent core material can be suppressed, and the absorbent performance can be further maintained.

The sheet joining part 11 may have a high pressing part provided with the pressing part 40 and a low pressing part having a relatively lower pressing degree than the high pressing part. Here, the pressing degree can be compared by the depth of the pushing vehicle or the pressed part when pressing. In this embodiment, the first pressing part 41 constitutes a high pressing part, and the second pressing part 42 constitutes a low pressing part. Since the high pressing portion and the low pressing portion with different rigidities are formed in the sheet joining portion 11 , a deformation starting point is formed in the sheet joining portion 11 based on the difference in rigidity. Therefore, when the sheet joint portion 11 is deformed, it becomes easy to return to the original state, and the sheet joint portion 11 and the sheet edge portion 12 are easily maintained in an upright state. Furthermore, even if the sheet joint portion 11 is deformed, it is easy to return to the original state, so that local application of force to the absorbent core material can be suppressed, and the absorbent performance can be maintained.

In FIG. 1 , for convenience of explanation, the shapes of the sheet joining portion 11 and the sheet edge portion 12 on the first surface 101 are shown to be different from the shapes of the sheet joining portion 11 and the sheet edge portion 12 on the second surface 102 . However, in the container 1, the shapes of the sheet joining portion 11 and the sheet edge portion 12 on the first surface 101 and the shapes of the sheet joining portion 11 and the sheet edge portion 12 on the second surface 102 may be the same. As shown in the sheet joint portion 11 of the second surface 102 , the sheet joint portion 11 may be provided with a colored region R3 in which the sheet 10 is colored. The colored area R3 is an area where the storage sheet is colored by pigment or ink. At least a part of the pressing part 40 may be provided in the colored area R3. The rigidity of the colored area R3 is likely to be higher than that of the non-colored area due to pigment or ink. By providing the pressing portion 40 in the colored region R3, the colored region R3 becomes easier to stand up, and it becomes easier to maintain the standing property of the sheet joint portion 11.

Alternatively, as shown in the second side of FIG. 1 , the front end 122 of the sheet edge 12 may be in a zigzag or wavy shape. Since the front end 122 of the sheet edge 12 may be in a zigzag or wavy shape, a plurality of deformation starting points separated in the first direction X are formed on the front end 122 of the sheet edge 12 . Therefore, when the sheet edge 12 is deformed, it becomes easy to return, and it is easy to maintain the upright state of the sheet edge 12 . In addition, compared with a structure in which the front end 122 of the sheet edge 12 is linear, the area of the sheet edge 12 can be reduced while ensuring the length in the extending direction Z of the sheet edge 12 . By suppressing the area of the sheet edge 12, it is possible to suppress the area of the outer surface of the container covered by the sheet edge 12, thereby suppressing deterioration in the appearance. Furthermore, even if the sheet edge portion 12 is deformed, it is easy to return to its original shape, so that local application of force to the absorbent core material can be suppressed, and the absorbent performance can be easily maintained. Furthermore, as shown in the first surface 101 of FIG. 1 , the front end 122 of the sheet edge 12 may be linear.

The sheet joining portion 11 may be provided with a display portion that displays information on the absorbent article 20 . Information on absorbent articles refers to the product name, brand symbol, category (sanitary napkin, disposable diaper), performance (with flaps, night use), and character shape of the absorbent article. Name etc. By attracting the user's attention through the display portion of the sheet joint portion 11 , the sheet edge 12 can be made relatively inconspicuous, and the deterioration of the appearance caused by the sheet edge 12 can be suppressed. Furthermore, the display part may be formed by printing of the storage sheet 10, or may be formed by the pressing part 40. Specifically, predetermined information (images of characters, text, etc.) can be displayed by an aggregate of a plurality of pressing portions 40, or by the shape of individual pressing portions 40 (characters can be displayed in the shape of each pressing portion). ) displays scheduled information.

In the colored area R3, the color of each pressing portion 40 of the sheet containing sheet can be lighter than the surrounding non-pressing portion (unpressed portion). This difference in color makes the existence of the pressing part conspicuous. Therefore, the user can grasp the airtightness of the container 1 by the presence of the pressing part, and can obtain a sense of peace of mind on the sanitary surface. Furthermore, when the display part is constituted by the pressing part 40, the display part can be made conspicuous. Moreover, the pressing part has the form of a high pressing part and a low pressing part, and the color of the high pressing part may be lighter than the color of the lower pressing part. This color difference makes the presence of the high-pressure section conspicuous. Therefore, the display part, design, etc. can be displayed by the difference between the color of the high-pressure part and the color of the low-pressure part, or the sealing property of the container 1 can be displayed by the presence of the high-pressure part.

FIG. 6 is a diagram showing an example in which the sheet joining portion 11 is provided on both the first surface 101 and the second surface 102 . As shown in FIG. 6(A) , the sheet joining portion 11 of the first surface 101 and the sheet joining portion 11 of the second surface 102 may be inclined in the same direction with respect to the virtual line FL3 along the first direction X. That is, when the container 1 is viewed from one side surface (for example, the first surface 101 ), each of the sheet joining portions 11 is inclined in the same direction with respect to the virtual line FL3 . Furthermore, when tilting in the same direction, the angles may be different, as long as the tilting direction is the same. For example, in the form shown in FIG. 6(A) , the sheet joining portion 11 of the first surface 101 and the sheet joining portion 11 of the second surface 102 are both from the fifth surface 105 side toward the sixth surface 106 side (in FIG. 6 It is inclined from the upper side to the lower side) and from the third surface 103 side to the fourth surface 104 side (from the deep side to the front side in Figure 6). If the sheet joining portion 11 of the first surface 101 and the sheet joining portion 11 of the second surface 102 are inclined in opposite directions, a force in the twisting direction will be exerted on the absorbent article 20 accommodated inside, and the absorbent core material may be twisted or Partial hardening may result in reduced absorption performance. However, since the sheet joining portion 11 of the first surface 101 and the sheet joining portion 11 of the second surface 102 are inclined in the same direction, no twisting force is exerted on the absorbent core material, and the absorbent performance can be ensured.

Furthermore, in a modified example, as shown in FIG. 6(B) , the sheet joining portion 11 of the first surface 101 and the sheet joining portion 11 of the second surface 102 may be aligned with the imaginary line FL3 along the first direction X, Lean in the opposite direction. That is, when the container 1 is viewed from one of the side surfaces (for example, the first surface 101 ), the sheet joining portion 11 of the first surface 101 intersects with the sheet joining portion 11 of the second surface 102 . For example, in the form shown in FIG. 6(B) , the thin surface joint 11 of the first surface 101 is from the fifth surface 105 side to the sixth surface 106 side (from the upper side to the lower side in FIG. 6 ), from the third surface to the third surface. The 103 side is inclined toward the fourth surface 104 side (from the deep side to the front side in Figure 6), and the sheet joint portion 11 of the second surface 102 is inclined from the fifth surface 105 side to the sixth surface 106 side (from the upper side in Figure 6 downward), and is inclined from the fourth surface 104 side toward the third surface 103 side (from the front side toward the deep side in FIG. 6 ). According to this aspect, since the sheet joining portion 11 of the first surface 101 and the sheet joining portion 11 of the second surface 102 are inclined in opposite directions, the force exerted by the respective sheet joining portions 11 supporting each other in different directions acts, The container 1 can be arranged stably. Furthermore, in order to arrange the storage body 1 stably, it is not necessary to incline the entire sheet joining portion 11 of the first surface 101 and the sheet joining portion 11 of the second surface 102 in opposite directions. More than 1/3 of the length of the sheet joint part is sufficient to be inclined in the opposite direction.

As shown in FIG. 2 , if the distance in the extending direction Z between the sheet joining portion 11 of the first surface 101 and the sheet joining portion 11 of the second surface 102 is set to G11, the extending direction Z of the absorbent article 20 is Let the length of Z be Z20, let the length of the sheet joint part 11 of the first surface 101 in the extension direction Z be Z111, and let the length of the sheet joint part 11 of the second surface be Z112, then we can Comply with Z111+Z112>(G11-Z20). The length Z20 in the extension direction Z of the absorbent article 20 may be the length of the entire absorbent article including the packaging sheet. (Z111+Z112) is a region with high rigidity and not easily deformed. On the other hand, (G11-Z20) is a movable length of the absorbent article in the container and is an area that is easily deformed. Since the length of the easily deformed region is short, by (Z111+Z112), it is possible to suppress the positional shift between the storage bodies and the positional shift of the absorbent article 20 in the storage body 1. In addition, if (G11-G20) is short, the absorbent article 20 will not move easily in the container, and the absorbent article 20 will not be easily damaged. Therefore, it is easy to maintain the quality of the absorbent article. On the other hand, (Z111+Z112) is long, so that (Z111+Z112) becomes a buffer area when the container is arranged in the container, so that the absorbent article is not easily damaged and the quality of the absorbent article is easily maintained.

The distance G11 between the sheet joints in the extension direction Z is longer than the length Z20 of the absorbent article in the extension direction Z. The length Z20 of the absorbent article 20 in the extension direction Z can be longer than the extension of the main body 21 The length in direction Z is Z21 long. In a state where the packaging sheet (individual packaging body) of the absorbent article is not bent, the absorbent article 20 can be held in the container. Furthermore, ideally, if the length in the extension direction Z of the main body 21 in the absorbent article is Z21, Z111+Z112>(G11-Z21) can be satisfied. According to this structure, (G11-Z21) functions as a buffer area, making it easier to maintain the quality of absorbent articles.

It can also comply with Z111＜(G11-Z20) and comply with Z112＜(G11-Z20). (G11-Z20) is the length of the offset space within the container where the absorbent article can be absorbed, and is an area that is relatively easy to deform. Since Z111 (Z112) is shorter than (G11-Z20), even if the sheet bonding portion 11 of the first surface 101 (or the sheet bonding portion 11 of the second surface 102) is pressed toward the inside of the container 1, it is possible to suppress Absorbent article 20 deforms.

Alternatively, as shown in FIG. 4 , in a state where the first region R1 and the second region R2 are offset in the first direction, if the offset length of the extended portion 13 in the first direction X is set to X13, Then it is consistent with Z111>X13 and consistent with Z112>X13. If the offset (extended portion) length There is a risk of accidentally opening the sheet joint. However, since Z111 > X13 and Z112 > The ratio of X13 to Z111 and the ratio of X13 to Z112 may be less than 1.0, but ideally it is less than 0.5, and more preferably less than 0.3. According to this structure, the extended portion 13 is less conspicuous, which can further prevent the deterioration of the aesthetics of the container. Moreover, when forming the sheet joining part 11, the extended part 13 may be joined together with the area|region where the sheet joining part 11 is formed. In the area where the sheet joint portion 11 is formed, at least two storage sheets overlap, but only one storage sheet is arranged in the extended portion 13 . Therefore, there is a possibility that the receiving sheet of the extended portion 13 may be damaged due to the joining process, such as being accidentally damaged. Therefore, the extended portion may be a portion of the receiving sheet that has not been joined (not pressed).

Next, a group of packaging bags 100 for absorbent articles (hereinafter referred to as the packaging bag group 100) will be described with reference to FIG. 7 . The packaging bag set 100 includes a plurality of the aforementioned storage bodies 1 . The storage body of this embodiment includes a first storage body 51 and a second storage body 52 . The length Z51 of the first housing 51 in the extension direction Z is longer than the length Z52 of the second housing 52 in the extension direction Z. In addition, the length of the first container 51 in the first direction X may be longer than the length of the second container 52 in the first direction X, and the length Y51 of the first container 51 in the second direction Y may be longer than the length of the second container 52 The length Y52 of the second direction Y of 52 is longer. The first length Z511 along the extension direction Z of the first receiving body 51 where the sheet joining part 11 is matched with the sheet edge part 12 is the same as the second holding body 52 where the sheet joining part 11 is matched with the sheet edge part 12 The second length Z521 along the extension direction Z is the same. Here, the first length Z511 and the second length Z521 are of the same length, and may be substantially the same, and the error thereof shall be within 5% of the length of one of them. The first storage body 51 and the second storage body 52 have different lengths in the extending direction of the entire storage body, but the lengths of the sheet joint portion 11 and the sheet edge portion 12 are added together (the first length Z511 and the second length Z521 )same. The second storage body 52 is larger than the first storage body 51 and has a lower proportion of the sheet joint portion 11 and the sheet edge portion 12, thereby improving the aesthetics. In addition, although the proportions of the sheet joint portion 11 and the sheet edge portion 12 are different, the first length Z511 and the second length Z512 are the same. Therefore, consumers can easily recognize that the first container 51 and the second container 52 are related. Even the packaging bag set.

As mentioned above, the present invention has been described in detail using the above-mentioned embodiments. However, it is extremely obvious to those skilled in the art that the present invention is not limited to the embodiments described in this specification. The present invention can be implemented with various modifications and changes without departing from the technical idea and scope of the invention as defined by the description in the patent application. Therefore, the description in this specification is for the purpose of illustration and is not intended to limit the present invention.

Furthermore, refer to the People’s Republic of China Application No. 202123004763.8 filed on December 2, 2021, the People’s Republic of China Application No. 202210951201.4 filed on August 9, 2022, and the People’s Republic of China Application No. 202210951201.4 filed on August 9, 2022. All contents of application No. 202222086157.3 are written in this specification.

1: Containment body 3: Excision line 5: Containment space 10:Containment sheet 11: Sheet joint 12: Edge of slice 121: Bottom 122:Front end 20:Absorbent articles 40: Compression part 41: 1st compression part 42: 2nd compression part 51: No. 1 Containment Unit 52:Second Containment Unit 100: Packaging bag set 101:Side 1 102: Side 2 103: Side 3 104: Side 4 105: Side 5 106:Side 6 B:Part FL1: 1st imaginary line FL2: 2nd imaginary line FL3: imaginary line R1: Region 1 R2: Region 2 R3: Shaded area X: 1st direction Y: 2nd direction Z: extension direction

[Fig. 1] Fig. 1 is a perspective view of the absorbent article container according to the embodiment as viewed from the front side. [Fig. 2] It is a plan view viewed from the upper surface side of the absorbent article container. [Fig. 3] This is an enlarged view of part A shown in Fig. 2. Figure 3(A) shows the natural state, and Figure 3(B) shows the stretched state. [Fig. 4] This is an enlarged view based on part B shown in Fig. 1, showing the positional deviation of the storage sheets. [Fig. 5] is a diagram schematically showing a cross-section of a sheet joint portion. [Fig. 6] is a diagram showing an example of a container provided with sheet joint portions on both the first surface and the second surface. [Fig. 7] A diagram showing a set of packaging bags for absorbent articles.

3: Excision line

10:Containment sheet

11: Sheet joint

12: Edge of slice

41: 1st compression part

42: 2nd compression part

101:Side 1

102: Side 2

103: Side 3

104: Side 4

105: Side 5

106:Side 6

122:Front end

B:Part

R3: Shaded area

X: 1st direction

Y: 2nd direction

Z: extension direction

Claims (14)

An absorbent article storage body uses a storage sheet made of thermoplastic resin to store a plurality of absorbent articles with an absorbent core material, and is characterized by: The first surface of the container is provided with: a sheet joint portion for joining the storage sheets to each other; and a sheet edge portion of the storage sheet extending toward the outside of the container than the sheet joint portion, The aforementioned sheet joint portion and the aforementioned sheet edge portion are adjacent in the extending direction and have a predetermined length in the aforementioned extending direction, The length of the sheet edge portion in the extending direction is shorter than the length of the sheet joint portion in the extending direction. The absorbent article storage body of claim 1, wherein the storage sheet is joined at the sheet joining portion and has a first region and a second region that overlap separately at the edge of the sheet, The sheet edge portion has: a bottom end located on the sheet joint portion side; and a front end opposite to the bottom end of the sheet edge portion, In the natural state of the container, the angle formed by the first imaginary line connecting the bottom end and the front end of the sheet edge portion in the first region and the extending direction is 25 degrees or less, In the natural state of the container, the angle formed by the second imaginary line connecting the bottom end and the front end of the sheet edge portion of the second region and the extending direction is 25 degrees or less. The absorbent article container according to claim 1 or 2, wherein the sheet joint portion and the sheet edge portion extend along a first direction orthogonal to the extending direction. The storage sheet is joined at the sheet joining portion and has a first area and a second area that overlap separately at the edge of the sheet, The sheet joining portion has a plurality of pressing portions that press both the first region and the second region, The pressing portion has: a first pressing portion recessed from the first region side toward the second region side; and a second pressing portion recessed from the second region side toward the first region side, The first pressing part and the second pressing part are arranged to be offset in one of the first direction and the extending direction. The absorbent article container according to claim 3, wherein the first pressing portion and the second pressing portion are alternately arranged in the first direction. The absorbent article container according to claim 3, wherein the sheet joining portion has a high pressing portion provided with the pressing portion, and a low pressing portion having a relatively lower pressing degree than the high pressing portion. The absorbent article storage body according to claim 3, wherein the sheet joining portion is provided with a colored area for coloring the storage sheet, At least part of the pressing part is provided in the colored area. The absorbent article container according to claim 1 or 2, wherein the front end of the edge portion of the sheet is in a jagged or wavy shape. The absorbent article container according to claim 1 or 2, wherein the sheet joint portion and the sheet edge portion extend along a first direction orthogonal to the extending direction, The aforementioned container has a second surface disposed facing the aforementioned first surface, The aforementioned second surface is provided with the aforementioned sheet joining portion and the aforementioned sheet edge portion, The sheet joining portion on the first surface and the sheet joining portion on the second surface are inclined in the same direction with respect to an imaginary line along the first direction. The absorbent article container according to claim 1 or 2, wherein the sheet joint portion and the sheet edge portion extend along a first direction orthogonal to the extending direction, The aforementioned container has a second surface disposed facing the aforementioned first surface, The aforementioned second surface is provided with the aforementioned sheet joining portion and the aforementioned sheet edge portion, The sheet joining portion on the second surface and the sheet joining portion on the first surface are inclined in opposite directions with respect to an imaginary line along the first direction. The absorbent article container of claim 1 or 2, wherein the container has a second surface disposed facing the first surface, The aforementioned second surface is provided with the aforementioned sheet joining portion and the aforementioned sheet edge portion, If the distance between the sheet joining portion on the first surface and the sheet joining portion on the second surface in the extending direction is G11, Let the length of the absorbent article in the extending direction be Z20, Let the length of the sheet joint portion of the first surface in the extending direction be Z111, Let the length of the sheet joint portion of the second surface in the extending direction be Z112, Then it is consistent with (Z111+Z112)>(G11-Z20). The absorbent article container of claim 10, wherein Z111<(G11-Z20) is satisfied and Z112<(G11-Z20) is satisfied. The absorbent article container according to claim 10, wherein the sheet joint portion and the sheet edge portion extend along a first direction orthogonal to the extending direction, The storage sheet is joined at the sheet joining portion and has a first area and a second area that overlap separately at the edge of the sheet, If the length of the offset between the first region and the second region in the first direction is X13, Then it is consistent with Z111>X13, and it is consistent with Z112>X13. The absorbent article container according to claim 1 or 2, wherein the sheet joining portion is provided with a display portion for displaying information on the absorbent article. A packaging bag set for absorbent articles, which is provided with a plurality of absorbent article storage bodies according to any one of claims 1 to 13, The aforementioned container includes: a first container; and a second container whose length in the extending direction is longer than that of the first container, The first length along the extending direction of the first container in which the sheet joint portion and the sheet edge are matched are the same as the second container in which the sheet joint and the sheet edge are matched. The second lengths along the extension direction are the same.

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