JPH04341261A - Absorptive article and its package - Google Patents

Abstract

PURPOSE:To improve the wearing and leakproofing properties of the absorptive article and to allow the compact packaging thereof without impairing its form by providing a 1st flexible shaft and a 2nd flexible shaft respectively in the central major axis part in the longitudinal direction and the central minor axis part in the transverse direction of the absorptive article. CONSTITUTION:This absorptive article has a liquid-permeable surface material 1, a liquid-impermaeble leakproof material 2 and a liquid-holdable absorber 3, is vertically long as a whole and is formed of the 1st flexible shaft 4 and the 2nd flexible shaft 5. Release paper 7 is freely strippably stuck via a tacky adhesive material 6 to the surface of the leakproof material 2. The 1st flexible shaft 4 and the 2nd flexible shaft 5 are respectively provided in the central major axis part in the longitudinal direction and the central minor axis part in the transverse direction of the absorptive article A. The 1st flexible shaft 4 is so formed that the absorptive article A can be easily bent to a projecting shape toward the surface material/side by the 1st flexible shaft 4 in the part behind the 2nd flexible shaft 5. This shaft is also so formed that the absorptive article A can easily be bent to a recessed shape toward the surface material 1 side by the 1st flexible shaft 4.

Description

[Detailed description of the invention]

0001

[Field of Industrial Application] The present invention relates to absorbent articles such as sanitary napkins, disposable diapers, and pads for incontinence, and their individual packaging. It has excellent properties and can be packaged compactly without damaging its shape.

0002

[Prior Art] Absorbent articles such as sanitary napkins, disposable diapers, and pads for incontinence use a liquid-permeable surface material, a liquid-impermeable leak-proof material, and a liquid-retentive material interposed between these two members. It consists of an absorbent body, and many have a flat shape. Such absorbent articles are usually folded into three and sold compactly and individually packaged. In addition, as an absorbent article that improves the leakage prevention effect by improving the fit to the body when worn, for example,
There are absorbent articles disclosed in JP-A No. 3-5746 and JP-A-61-149145, and these absorbent articles have a raised part on the rear side of the surface material side to improve the fit to the body. That's what I do.

0003

[Problems to be Solved by the Invention] However, although flat absorbent articles can be easily packaged individually, they are inferior in wearability and leak-proofing properties, and absorbent articles with raised portions have poor wearability and leak-proofing properties. There was a problem in that it was difficult to package the product compactly and individually without compromising its form.

[0004] Accordingly, an object of the present invention is to provide an absorbent article that has excellent wearability and leakage prevention properties, and that can be packaged compactly and individually without impairing its form, and its individual packaging.

[0005]

[Means for Solving the Problems] The present invention provides a vertically elongated absorbent article comprising a liquid-permeable surface material, a liquid-impermeable leak-preventing material, and a liquid-retaining absorbent body interposed between these two members. In the absorbent article, a first flexible shaft and a second flexible shaft are provided at the central long axis portion in the longitudinal direction and the central short axis portion in the width direction, respectively, and the first flexible shaft is A portion rearward of the second flexible shaft is formed such that the absorbent article can be easily bent into a convex shape toward the surface material by the first flexible shaft, and a portion anterior of the second flexible shaft is formed so that the absorbent article can be easily bent into a concave shape toward the surface material by the first flexible shaft, and the second flexible shaft bends the absorbent article by the second flexible shaft. The above object has been achieved by providing an absorbent article characterized in that it is formed so that it can be easily bent into a concave shape toward the surface material at the shaft.

[0006] The present invention also provides a preferable individual package of the above-mentioned absorbent article, which is bent on the side that is easy to bend on the second flexible shaft, and further on the side that is easy to bend on the above-mentioned first flexible shaft. The present invention provides an individual package of an absorbent article, characterized in that the absorbent article according to claim 1 is wrapped in a packaging material in a folded shape.

[0007]

[Function] According to the absorbent article of the present invention, the absorbent article is folded in two through the second flexible shaft so that the front part and the rear part in the longitudinal direction overlap each other. The absorbent article is further folded in half through the first flexible shaft so that the right side and the left side in the width direction overlap each other, so that the entire absorbent article is folded in four into a compact form. It becomes possible to package it. Further, when the absorbent article in the four-folded form is returned to the unfolded state, the absorbent article is in a form in which the rear part thereof is bent at the first flexible shaft and bent in a convex shape toward the surface material side. , and the front part thereof is bent at the first flexible shaft to form a concave shape toward the surface material. Therefore, when an absorbent article with such a configuration is worn on the body, the absorbent Sex articles are worn to fit the body.

[0008]

[Embodiment] An embodiment of the absorbent article of the present invention will be described below with reference to the drawings.

1 to 7 show an embodiment of the absorbent article of the present invention, FIG. 1 is a perspective view of the absorbent article in an expanded state, and FIG. 2 is a flattened view of the absorbent article shown in FIG. 3 is a back view of the absorbent article shown in FIG. 1 in a flat state, FIG. 4 is an enlarged sectional view taken along the line IV-IV in FIG. 1, and FIG. 5 is a view taken along V-V in FIG. 1. An enlarged sectional view taken along the line, FIG. 6 is VI of FIG.
FIG. 7 is a perspective view showing the process of folding the absorbent article shown in FIG. 1 into four.

The absorbent article A of this example is shown in FIGS. 1 to 6.
As shown in FIG. 2, it comprises a liquid-permeable surface material 1, a liquid-impermeable leakage prevention material 2, and a liquid-retaining absorbent body 3, and is vertically long as a whole, and has a first flexible shaft 4 and a second flexible shaft. It is formed of a flexible shaft 5, and a release paper 7 is attached to the surface of the leakage preventive material 2 via an adhesive 6.
is removably attached. The first flexible shaft 4 and the second flexible shaft 5 are provided at the central long shaft portion in the longitudinal direction and the central short shaft portion in the width direction of the absorbent article A, respectively. is formed so that the absorbent article A can be easily bent into a convex shape toward the surface material 1 by the first flexible shaft 4 in the rear part of the second flexible shaft 5, and The portion in front of the flexible shaft 5 is formed so that the absorbent article A can be easily bent into a concave shape toward the surface material 1 by the first flexible shaft 4, and the second flexible shaft The shaft 5 is formed so that the absorbent article A can be easily bent into a concave shape toward the surface material 1 by the second flexible shaft 5.

[0011] Before the formation of the first flexible shaft 4 and the second flexible shaft 5, the central short shaft portion in the width direction of the absorbent article (napkin) A (the position where the second flexible shaft 5 is formed) is Apply the plate,
Place the napkin 2 times so that the side to be used is on the inside.
The second flexible shaft 5 is provided by folding and compressing it. Next, a plate is applied to the folded napkin at a position perpendicular to the second flexible shaft 5 (the position where the first flexible shaft 4 is formed), and the napkin is further folded into two and compressed. For this reason, there is a method in which the first flexible shaft 4 is formed at the same time as being folded into four. According to such a method, the rear part of the first flexible shaft 4 relative to the second flexible shaft 5 (the rear first flexible shaft part 4a divided into two by the second flexible shaft 5) is As shown in FIG. 4, the absorbent body 3 of the absorbent article A is formed to be easily bent into a convex shape toward the surface material 1 side by being compressed, and the second flexible shaft 5
As shown in FIG. 5, the front part (the front first flexible shaft part 4b divided into two by the second flexible shaft 5) is compressed by compressing the absorbent body 3 of the absorbent article A. Above surface material 1
It is formed so that it can be easily bent into a concave shape on the side. Further, as shown in FIG. 6, the second flexible shaft 5 is also formed to be easily bent into a concave shape toward the surface material 1 when the absorbent core 3 of the absorbent article A is compressed. . It goes without saying that the method of forming the absorbent article of the present invention is not limited.

Further, as shown in FIG. 2, the absorbent article A has a width that is substantially increased in the rear portion A' of the second flexible shaft 5, and The rear portion A' maintains a sufficient width in the state where it is bent convexly toward the surface material 1, and the second
The width near the center of the front portion A'' of the flexible shaft 5 is made slightly narrower to facilitate mounting.

Here, the dimensions of each part of the absorbent article A in the flat state, that is, the dimension L in the longitudinal direction, the second flexible shaft 5
Width dimension W of the expanded portion of the rear portion A′, second flexible shaft 5
It is preferable to set the width w (see FIG. 2) of the narrow portion of the front portion A″ as shown in Table 1 below, and in Table 1, especially for samples No. 6, No. 7, and No.
It is preferable to set the dimensions as shown in No. 9 and No. 10.

[0014]

[Table 1]

Further, as shown in FIG. 3, on the rear side of the absorbent article A, that is, at the center of the rear end of the front surface of the leakage preventive material 2, the absorbent article A is attached by the first flexible shaft portion 4a. A bending holding part 8 is provided to hold the rear part A' of the leakage preventive material 2 in a convexly bent state toward the surface material 1 side. It is formed by gluing a part of the surface of the central part.

Further, as shown in FIG. 3, the center portion of the release paper 7, that is, the location corresponding to the intersection of the first flexible shaft 4 and the second flexible shaft 5, has a substantially diamond shape. A cutout hole 7a is formed, and the absorbent article A can be smoothly folded into four by the first flexible shaft 4 and the second flexible shaft 5, and the form of the individual packaged product can be made as compact as possible. It is designed so that it can be transformed into

According to the absorbent article A of the present embodiment configured as described above, the absorbent article A of the present invention can be attached to the absorbent article A along its longitudinal direction via the second flexible shaft 5. Fold the absorbent article A in two so that the front part A'' and the rear part A' overlap each other, and then fold the two-folded absorbent article A into the first
By further folding in half through the flexible shaft 4 so that the right and left parts in the width direction overlap each other,
The entire absorbent article A can be folded into a compact form in four as shown in FIG. 7, and can be packaged as is.

Further, when using the absorbent article A of this embodiment, when the absorbent article A in the four-folded form is returned to the unfolded state, the rear portion A' of the absorbent article A is
It is bent at the flexible shaft portion 4a to have a convex shape bent toward the surface material side, and its front portion A″ is bent at the first flexible shaft portion 4b.
Since the absorbent article A is bent in a concave shape toward the surface material side, when the absorbent article A having such a shape is worn on the body, the absorbent article A is worn to fit the body. Note that the release paper 7 is peeled off when the absorbent article A is placed in the unfolded state.

Next, an embodiment of the individual packaged absorbent article of the present invention will be described with reference to the drawings.

FIG. 8 is a perspective view showing an embodiment of the individual packaging of the absorbent article of the present invention, and the individual packaging of the absorbent article A of this embodiment is as shown in FIG. The absorbent article A, which has been folded in four as a whole, is packaged with a packaging material 9, for example, a thermoplastic film 9. Therefore, the individual packaging of absorbent article A is not bulky and compact, and
When the packaging material 9 is torn during use, as shown in FIG.
Since the absorbent article A can be unfolded, the shape of the absorbent article A is not damaged.

The absorbent article of the present invention is not limited to the above embodiments, and the first flexible shaft 4 and the second flexible shaft may be provided without departing from the gist of the present invention. Good. Furthermore, in the embodiment, a sheet of release paper 7 in which a substantially diamond-shaped notch hole 7a was formed in the center part was used as the release paper 7, but the release paper was Even when one or more sheets are used so as not to cover the intersection between the second flexible shaft 5 and the second flexible shaft 5, the same effect as that of the embodiment can be obtained, and the shape of the notch hole 7a can also be changed as appropriate.

[0022]

Effects of the Invention The absorbent article of the present invention has excellent wearability and leak-proofing properties, is free from sagging that causes back leakage, and can be packaged compactly without spoiling its form. Furthermore, since the individual packaged product of the absorbent article of the present invention is obtained by packaging the absorbent article without using any shape-retaining material or the like and without damaging its form, the packaging material is not required when using it. Once broken, the absorbent article of the present invention can be unfolded.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of an embodiment of the absorbent article of the present invention in an unfolded state.

FIG. 2 is a plan view of the absorbent article shown in FIG. 1 in a flattened state.

FIG. 3 is a back view of the absorbent article shown in FIG. 1 in a flattened state.

FIG. 4 is an enlarged sectional view taken along the line IV-IV in FIG. 1;

FIG. 5 is an enlarged sectional view taken along the line V-V in FIG. 1;

FIG. 6 is an enlarged sectional view taken along the line VI-VI in FIG. 1;

FIG. 7 is a perspective view showing the process of folding the absorbent article into four.

FIG. 8 is a perspective view showing an embodiment of an individual packaging of the absorbent article of the present invention.

[Explanation of symbols]

A Absorbent article body 1 Surface material 2 Leak proof material 3 Absorber 4 First flexible shaft 4a Rear part of first flexible shaft 4b Front part of first flexible shaft 5 Second flexible shaft 6 Adhesive 7 Release paper 7a Notch hole 8 Bending holding part (adhesive) 9 Packaging material

Claims (6)

[Claims] Claim 1: A vertically elongated absorbent article comprising a liquid-permeable surface material, a liquid-impermeable leak-preventing material, and a liquid-retaining absorbent material interposed between these two members, in which the longitudinal direction of the absorbent article is A first flexible shaft and a second flexible shaft are provided in the central long shaft part in the direction and the central short shaft part in the width direction, respectively, and the first flexible shaft is located at the rear of the second flexible shaft. In the section, the absorbent article is formed so that it can be easily bent into a convex shape toward the surface material at the first flexible shaft, and in the section forward of the second flexible shaft, the absorbent article is bent easily toward the surface material. The first flexible shaft is formed to be easily bent into a concave shape toward the surface material, and the second flexible shaft is configured to bend the absorbent article into a concave shape toward the surface material side with the second flexible shaft. An absorbent article characterized in that it is formed to be easily folded. 2. The absorbent article according to claim 1, wherein the first and second flexible shafts are compressed. 3. Claim 1, characterized in that the width substantially increases at a rear portion of the second flexible shaft.
and the absorbent article according to 2. [Claim 4] At the center of the rear end on the back side of the absorbent article,
The absorbent article according to any one of claims 1 to 3, further comprising a bending holding portion that holds the bent state of the first flexible shaft. 5. A release paper releasably attached to the surface of the leakage preventive material via an adhesive is provided, and the release paper is attached to at least the first flexible shaft and the second flexible shaft. 5. The absorbent article according to claim 1, wherein the absorbent article does not exist at the intersection with the flexible axis. 6. The absorption absorber according to claim 1, wherein the absorber is bent on the side that is easy to bend at the second flexible shaft, and further bent on the side that is easy to bend at the first flexible shaft. 1. Individually packaged absorbent articles, characterized in that they are made by wrapping a sexual article in a packaging material.