JPH1119124A - Sanitary absorber and production thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily perform work for providing an available state in configuration using no release paper. SOLUTION: In the state of housing an absorber 33 in a housing pouch 32, the absorber 33 is folded over so as to overlap a 1st folding part 40b on the water permeable sheet of a base part 40a, a 2nd folding part 40c is folded over its upper part, and respective wing parts 41 (41a and 41b) are folded over so as to be overlapped on the 2nd folding part 40c in such a state. Thus, since a base part viscous area 47a and wing part viscous areas 48a of the respective wing parts 41 (41a and 41b) are exposed in the direction facing an inner face 49 of the housing pouch 32, it is not necessary to use any release paper. Further, adhesive agents on the respective areas 47a and 48a are exposed oppositely to the outside by releasing the absorber 33 from the housing pouch 32 so that the available state can be provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a sanitary absorbent and a method for producing the same.

[0002]

2. Description of the Related Art FIG. 17 is a perspective view showing an expanded state of an absorber 1 used in the prior art. The absorbent body 1 is used as a sanitary napkin, and basically includes a water-permeable sheet 2, a water-impermeable sheet 3, and a water-absorbing layer 4. The absorber 1 shown in FIG. 17 is called a napkin with a wing or the like, and has a main body 5 formed in a substantially rectangular shape,
The main body 5 has a pair of wings 6 protruding from both sides in the width direction perpendicular to the longitudinal direction to both sides in the width direction. The water-absorbing layer 4 is interposed between the water-permeable sheet 2 and the water-impermeable sheet 3 of the main body 5, and the periphery of the water-permeable sheet 2 and the water-impermeable sheet 3 of each of the wing portions 6 is heat-sealed. They are fixed to each other by such means. An adhesive is applied to predetermined regions 7 and 8 on the water-impermeable sheet 3 of the main body 5 and the wing portions 6. Each of the areas 7 and 8 to which the adhesive is applied is shown in FIG. There are the following first to third conventional techniques for a sanitary absorbent device including the absorbent body 1 and a storage body for storing the absorbent body 1.

FIG. 18 is a perspective view showing a first conventional sanitary absorbent device 10a. In this prior art, the storage body 11 for storing the absorber 1 is composed of two wing release papers 12 and 13 for protecting the adhesive on each of the wing portions 6.
And a release paper for the main body (not shown) for protecting the adhesive on the main body 5 and an outer wrapping sheet 15 formed in a substantially rectangular shape.
The release paper for the main body is provided on one surface 16 of the outer package sheet 15,
It is fixed by an adhesive force stronger than the adhesive applied to the absorber 1.

Each wing section 6 corresponds to each virtual line 17 in FIG.
Are folded in the direction indicated by arrows A1 and A2 so as to fold a portion where each wing portion 6 and the main body 5 are continuous with each other and overlap the permeable sheet 2 of the main body 5. In a state where each wing portion 6 is folded, the absorbent body 1 is adhered onto one surface 16 of the outer wrapping sheet 15 so that the adhesive region 7 of the main body 5 and the release paper for the main body overlap as shown in FIG. You. On the adhesive surface of the adhesive on each wing section 6,
The wing release papers 12 and 13 are adhered. In a state where the absorbent body 1 is adhered as shown in FIG. 18, one end 19 in the longitudinal direction of the outer wrapping sheet 15 is connected to the portion of the water-permeable sheet 2 at one longitudinal end 21 of the absorbent body 1 and the release paper 1 for wing.
2 and 13 are folded back in the direction indicated by the arrow B1 so as to overlap. The other end 20 in the longitudinal direction of the outer wrapping sheet 15 is
The other end portion 22 in the longitudinal direction of the absorber 1 and the one end portion 19 in the longitudinal direction of the folded outer package sheet 15 are folded in the direction indicated by the arrow B2 so as to overlap.

[0005] In this state, both sides in the width direction perpendicular to the longitudinal direction of the outer wrapping sheet 15 are adhered, and both ends 19 and 20 in the longitudinal direction of the outer wrapping sheet 15 are adhered to the tape 2 having an adhesive property.
Fix with 3. Thereby, the outer wrapping sheet 15 is formed in a bag shape, and the absorber 1 is stored in the outer wrapping sheet 15 formed in the bag shape. In this state, the absorber 1 and the outer wrapping sheet 15 adhere to each other by the adhesive applied to the main body 5 of the absorber 1 via the release paper for the main body. The wings 6 are fixed to each other by wing release papers 12 and 13 so that the wings 6 are not undesirably developed and collapsed when stored in the outer wrapping sheet 15.

When the absorbent body 1 is taken out from the envelope sheet 15 formed in a bag shape as described above and used, the adhesive tape 23 is peeled off, and the longitudinal direction of the folded envelope sheet 15 is removed. The direction ends 19 and 20 are folded back in the directions opposite to the directions indicated by the arrows B1 and B2, respectively, and are deployed. Next, the outer wrapping sheet 15 is peeled off from the absorbent body 1 together with the release paper for the main body, and the release papers 12 and 13 for wings are pulled from the adhesive surface of the adhesive on the adhesive area 8 of each wing portion 6 of the absorbent body 1. Peel off. Thereby, the absorbent body 1 is in a state where the adhesive on the main body 5 and each wing portion 6 is exposed to the outside, and can be adhered to, for example, the user's underwear.

FIG. 19 is a perspective view showing a second conventional sanitary absorbent device 10b. The sanitary absorber 10b according to the prior art is similar to the above-described sanitary absorber 10a according to the first prior art. Corresponding parts are denoted by the same reference numerals and description thereof is omitted.

In the sanitary absorbent 10b, each wing 6
In order to protect the pressure-sensitive adhesive on the pressure-sensitive adhesive region 8, a release paper 25 for a wing fixed to one longitudinal end portion 19 of the outer wrapping sheet 15 is used. This wing release paper 25
Has a substantially rectangular shape, and one end 26 is
5 is fixed to one end 19 in the longitudinal direction by an adhesive force stronger than the adhesive applied to the adhesive regions 7 and 8 of the absorber 1. Also, the other end 27 of the release paper 25 for wing
Is provided so as to protrude beyond the outer wrapping sheet 15 in the longitudinal direction of the outer wrapping sheet 15. Such outer packaging sheet 1
5. When the absorbent body 1 is stored by the main body release paper (not shown) and the wing release paper 25, each wing portion 6 is indicated by a virtual line 17 in FIG. The portion is folded and folded in the A1 and A2 directions so as to overlap the water-permeable sheet 2 of the main body 5. In a state where each wing 6 is folded, the water-impermeable sheet 3 of the main body 5 and the release paper for the main body of the outer wrapping sheet 15 are arranged as shown in FIG.

As shown in FIG. 19, the release paper 25 is folded back in the direction shown by the arrow C from the state where the absorber 1 is disposed, and the other end 27 of the release paper 25 for wings is used in the longitudinal direction of the absorber 1. One end 21 of the water permeable sheet 2 is covered, and one end 19 of the outer wrapping sheet 15 in the longitudinal direction is
Is folded back in the direction of the arrow B1 together with one end 21 in the longitudinal direction.
As a result, the other end 27 of the release paper 25 for wings adheres to the adhesive on the adhesive region 8 of each wing portion 6, and the adhesive on the adhesive region 8 is attached to one end 21 in the longitudinal direction of the absorber 1. The problem of sticking to the portion of the water permeable sheet 2 is avoided. In this state, the other end 20 in the longitudinal direction of the envelope sheet 15 is moved in the direction indicated by the arrow B2 so that the other end 22 in the longitudinal direction of the absorber 1 and the one end 19 in the longitudinal direction of the outer sheet 15 overlap. The outer wrapping sheet 15 is folded back and the both sides in the width direction of the outer wrapping sheet 15 are further adhered.
Is formed into a bag shape. As a result, the absorbent body 1 is covered with the outer envelope sheet 15 formed in the bag shape. In this state, the outer envelope sheet 15 and the absorbent body 1 are separated from each other by the adhesive regions 7,
The adhesive is applied to the body 8 via the release paper for the main body and the release paper 25 for the wing.

When the absorbent body 1 is taken out of the envelope sheet 15 formed in a bag shape and used, the longitudinal ends 19 and 20 of the envelope sheet 15 are folded back in the directions opposite to the arrows B1 and B2, respectively. Then, the absorber 1 is peeled off from the outer wrapping sheet 15. As a result, the release paper for the main body and the release paper 25 for the wing are peeled off from the adhesive surfaces of the adhesive on the adhesive areas 7 and 8 of the absorbent body 1 together with the outer wrapping sheet 15, and are removed from the main body 5 and the wing portions 6. The adhesive is exposed to the outside and is ready for use.

FIG. 20 is a perspective view showing a third conventional sanitary absorbent device 10c. This prior art is similar to the above-described first and second prior art sanitary absorbers 10a and 10b, and corresponding portions are denoted by the same reference numerals and description thereof is omitted.

In this prior art, in the absorbent body 1, each wing portion 6 is folded at a portion indicated by a virtual line 17 in FIG. 17 so that the adhesive region 8 of each wing portion 6 and the adhesive region 7 of the main body 5 are separated. In a state of being folded in the direction opposite to the A1 and A2 directions so as to overlap, it is adhered to one surface 16 of the outer wrapping sheet 15. Thereby, the adhesive on the adhesive region 8 of each wing 6 and a part of the adhesive on the adhesive region 7 of the main body 5 are mutually protected, and the part of the adhesive region 7 which is not covered by the wing 6 The adhesive is directly adhered and protected on one surface 16 of the outer wrapping sheet 15.

In this manner, each wing 6 of the absorber 1
Is folded back in the direction opposite to the A1 and A2 directions,
20, when the absorbent body 1 is stowed on the outer wrapping sheet 15 as shown in FIG.
Is folded in the direction of arrow B1 together with one end 21 in the longitudinal direction of
Further, the other end portion 22 in the longitudinal direction of the absorber 1 is
Of the outer wrapping sheet 1 so as to overlap the one end 19 in the longitudinal direction of the
5 and the other longitudinal end 22 of the absorber 1 are folded in the direction of arrow B2. With the longitudinal ends 19, 20 of the envelope sheet 15 folded in this manner, both lateral sides of the envelope sheet 15 in the width direction perpendicular to the longitudinal direction are sealed. As a result, the outer wrapping sheet 15 is formed in a bag shape, and the absorber 1 is housed therein. In the third conventional technique, in a state where the absorber 1 is stored, the adhesive regions 7 and 8 are arranged so as to overlap each other, and the adhesives on the regions 7 and 8 are mutually protected. .
That is, unlike the first and second prior arts, the third prior art does not require wing release papers 12, 13, and 25 for protecting the adhesive on each wing portion 6. .

When the absorbent body 1 is taken out from the envelope sheet 15 formed in a bag shape and used, as in the first and second prior arts described above, the envelope sheet 15 is folded from a bag-like state. In the developed state, the absorber 1 is peeled off, and the wings 6 of the absorber 1 are further peeled off from the main body 5. As a result, the adhesive on the main body 5 and each wing 6 is exposed to the outside, and becomes usable.

After the absorbent body 1 is taken out, the bonded portions on both sides in the width direction are peeled off to form the outer wrapping sheet 15 of each of the first to third prior arts described above. be able to. The used absorbent body 1 can be wrapped by the outer wrapping sheet 15 formed in a sheet shape in this manner, fixed with the adhesive tape 23 so as not to be spread, and discarded.

[0016]

In the first and second prior arts described above, since the release paper is adhered to the adhesive on each of the regions 7 and 8 of the absorber 1, the absorber 1 is used. Work to make it usable, that is, put the absorbent body 1
, And the operation of exposing the adhesive on the main body 5 and each wing portion 6 can be easily performed. However, when the used absorbent body 1 is wrapped in the outer wrapping sheet 15 and discarded, the release paper fixed to the outer wrapping sheet 15 becomes a hindrance, so that the work of wrapping the used absorbent body 1 is difficult. Also, properly attach the absorbent body 1 to the outer wrapping sheet 1.
If not wrapped, the release paper protrudes from the outer wrapping sheet 15 and becomes unsightly, giving a feeling of discomfort. In addition, release paper
Since the unused absorbent body 1 is taken out and discarded after being taken out, the used absorbent body 1 like the outer wrapping sheet 15 is used.
It is not economical because it is not reusable to be used for wrapping. Thus, in the first and second prior arts,
The configuration using release paper has the above-mentioned problems (1) to (4).

In the third prior art described above, since the configuration does not use release paper, the above-mentioned problems (1) to (5) can be solved. However, in the third prior art, in the operation of taking out the absorber 1 from the outer wrapping sheet 15 and exposing the adhesive on the main body 5 and the wings 6, each wing 6 must be peeled off from the adhesive area 7 of the main body 5. Therefore, there is a problem that the work is troublesome as compared with the first and second prior arts.

It is an object of the present invention to provide a sanitary absorbent device having a structure that does not use release paper so that the adhesive on the main body and each wing portion can be easily and quickly exposed during use, and a method of manufacturing the same. It is to provide.

[0019]

According to the present invention, a water-absorbing layer is interposed between a water-permeable sheet and a water-impermeable sheet. An absorber having a pair of wing parts projecting,
A storage bag made of a water-impermeable material, in which the absorber is stored, wherein the absorber, when stored in the storage bag, has a smaller body than the base sandwiched between the wings of the body. The first folded portion on one end side in the longitudinal direction is folded so as to overlap the water-permeable sheet of the base, and the second folded portion on the other end side in the longitudinal direction with respect to the base is not in contact with the first folded portion. The surface that is folded back so as to overlap on the water-permeable sheet, each wing portion is folded back so as to overlap on the water-impermeable sheet of the second folded portion, and the surface facing the inner surface of the base and the storage bag of each wing portion, A sanitary absorbent article characterized in that the adhesive is detachably adhered to the inner surface of the storage bag by an adhesive.

According to the present invention, the absorber has a main body and a wing portion. Further, a region to which the adhesive is applied is arranged on the base portion sandwiched between the wing portions of the main body and on the water-impermeable sheet of each wing portion. When the absorbent body is stored in the storage bag, the first folded portion disposed closer to one longitudinal end of the main body than the base portion is folded back so as to overlap the water-permeable sheet of the base portion. A second folded portion arranged on the other end side in the longitudinal direction from the base portion is folded over the upper portion of the first folded portion, and the second folded portion is further folded.
Each wing is folded so as to overlap the upper part of the folded part.

In the state where the first and second folded portions and the respective wing portions are folded so as to overlap with each other, the adhesive disposed on the water-impermeable sheet of the base portion and the respective wing portions is applied. The area to be formed is arranged so as to face the inner surface of the storage bag. That is, the first
And a configuration in which the first and second folded portions of the main body are folded so as to overlap the upper portions of the respective wing portions as in the second related art, and the main body is located in the area of each wing portion where the adhesive is applied. Since the folded portions are not overlapped and the adhesive of each wing is protected by the inner surface of the storage bag, there is no need to provide release paper.

In the state where the first and second folded portions of the main body and the respective wing portions are folded so as to overlap with each other and are stored in the storage bag as described above, the absorber is provided on the inner surface of the storage bag. Each wing is adhesively fixed. That is, each wing is fixed to the storage bag so as not to undesirably unfold, the base of the main body is fixed to the inner surface of the storage bag, and the first and second folded portions are sandwiched between each wing and the base. Since it is held in a state,
There is no problem such that the absorber collapses while being stored in the storage bag.

When the absorbent is taken out of the storage bag and put into a state where it can be mounted on the undergarment of the user, the storage bag is developed flat and the absorbent is peeled off from the flat developed storage bag. . This exposes the adhesive on the base of the absorber and on each wing and is ready for use. Therefore, in the configuration of the present invention, as compared with the configuration of the third prior art described above, the absorbent body 1
Since it is possible to eliminate the trouble of peeling off each wing portion from the main body after peeling off from the main body 5, the operation of exposing the pressure-sensitive adhesive to a usable state can be easily performed.

When the used absorber is discarded,
The used absorbent body is wrapped around using the storage bag developed in a flat shape, and is discarded. In the configuration of the present invention, since the release paper is not used, compared with the first and second prior arts described above, when the used absorber is wrapped and discarded, the release paper does not interfere. The sanitary absorbent which is discarded if it is not properly wrapped does not become unsightly. Further, since it is not necessary to use release paper in a state where the absorber is stored in the storage bag, it is possible to save resources and improve economy.

According to a second aspect of the present invention, a water absorbing layer is interposed between the water-permeable sheet and the water-impermeable sheet, and a main body and a pair of wings protruding from both sides in the width direction of the main body to both sides in the width direction. After having the absorbent body folded so that the first folded portion closer to one longitudinal end of the main body than the base portion sandwiched between the wing portions of the main body overlaps the water-permeable sheet of the base portion, Also, the second folded portion on the other end side in the longitudinal direction overlaps a region closer to the other longitudinal end of the main body than a predetermined first adhesive region of the impermeable sheet of the first folded portion, A first step of folding, a first pressure-sensitive adhesive applied area corresponding to a first pressure-sensitive adhesive area of the absorber, on one surface of the one-side sheet folded portion at one longitudinal end of the outer wrapper sheet made of a water-impermeable material; Water impermeability of the second folded portion of the absorber A second pressure-sensitive adhesive applied area corresponding to a predetermined second pressure-sensitive adhesive area and a first and second pressure-sensitive adhesive applied area, which are disposed on the other end side in the longitudinal direction of the outer wrapping sheet, and have one wing section. The third pressure-sensitive adhesive application area corresponding to the predetermined third pressure-sensitive adhesive area of the water-impermeable sheet, and the water-impermeability of the other wing portion of one surface of the other sheet folded portion on the other end side in the longitudinal direction of the envelope sheet A fourth adhesive application area corresponding to a predetermined fourth adhesive area of the adhesive sheet;
On one surface of the sheet base between the one-side and the other-side sheet folded portions of the outer wrapping sheet, a fifth adhesive application area corresponding to a predetermined fifth adhesive area of the water-impermeable sheet at the base of the absorber, A second step of applying an adhesive respectively;
The absorber in which the first and second folded portions are folded in the first step is provided on one surface of the outer wrapper sheet to which the adhesive is applied in the second step, and the third adhesive region of one wing is formed by the third adhesive region. Facing the third adhesive application area of the one-side sheet folded portion,
And the fourth adhesive region of the other wing portion is opposed to the fourth adhesive application region of the other-side sheet folded portion, and the fifth adhesive region of the base is opposed to the fifth adhesive application region of the sheet base. A third step of mounting and adhering, and a first sheet folded portion of the outer wrapper sheet having one wing portion adhered in the third step, wherein the one wing portion is the first and second folded portions. The first and second adhesive regions overlap the region outside in the width direction perpendicular to the longitudinal direction of the absorber from the first and second adhesive regions, and the first and second adhesive application regions of the one-side sheet folded portion of the outer wrapper sheet have the absorption. First and second body
The other side where the other wing portion of the absorber is adhered on the one-side sheet folded portion after the first and second folded portions are adhered to the one-side sheet folded portion by folding back so as to face the adhesive region. The sheet folded portions are folded so as to overlap, and the sheet folded portions on one side and the other side are releasably fastened, and the respective open regions outside the width direction from the region where the absorber is present are thermally fused and sealed. And a fourth step of producing a sanitary absorbent article.

According to the present invention, the absorber has a main body and a pair of wing portions, and the main body has a base portion and first and second folded portions. The impermeable sheet of the absorbent body has a first adhesive region on the first folded portion, a second adhesive region on the second folded portion, a third adhesive region on one wing portion, and a fourth adhesive region on the other wing portion. A fifth adhesive region is provided in the region and the base. In the first step, the absorber is folded so that the first folded portion overlaps the base permeable sheet.
The second folded portion is folded over an area closer to the other longitudinal end of the main body than the first adhesive region of the folded portion. In this state, the first and second adhesive regions are exposed to the outside on one side in the thickness direction of the absorber, and the third to fifth adhesive regions are exposed to the outside on the other side in the thickness direction.

Further, the outer wrapping sheet has a sheet base, a one-side sheet wrapping part connected to the sheet base on one side in the longitudinal direction of the outer wrapping sheet, and another sheet folding part connected to the sheet base on the other side in the longitudinal direction. . Of one surface of this outer wrapping sheet, it is arranged at the one-side sheet folding portion,
First to third corresponding to the first to third adhesive areas, respectively.
It is arranged in the adhesive application area and the other side sheet folded part,
An adhesive is applied in a second step to a fourth adhesive application area corresponding to the fourth area and a fifth adhesive application area disposed on a sheet base and disposed on the fifth adhesive area. You. The application of the adhesive can be performed in a state where the outer packaging sheet is stretched flat and the first to fifth adhesive application areas face one side of the outside, thus facilitating the application. Can be

In the third step, the third to fifth adhesive application areas are arranged on one side in the thickness direction of the absorber in the third step on the outer envelope sheet coated with the adhesive in this manner. An absorber is mounted so as to face the fifth adhesive region, the base of the absorber is on the sheet base of the outer package sheet, one wing is on the one-side sheet folded portion, and the other wing is on the other sheet. Each is adhered to the folded part. The first and second pressure-sensitive adhesive application areas are arranged on one end side of the outer sheet folded portion in the longitudinal direction of the outer wrapping sheet. Move to process.

In the fourth step, first, the one-side and the other-side sheet folded portions are folded together with the one wing portion, and then the other-side sheet folded portion is folded on the upper surface thereof together with the other wing portion. In the folded state, the respective wing portions are laminated on the respective back sheet portions of the first and second folded portions, avoiding the first and second adhesive regions, and the first and second adhesive regions are provided. The adhesive on the first and second adhesive application areas of the one-side sheet folded portion adheres to the first sheet folded portion, and the other-side sheet folded portion is laminated on the one-side sheet folded portion. With this folded back,
Next, one side and the other side sheet folded portion of the outer wrapping sheet are fixed to each other in a peelable manner, and furthermore, both widthwise both sides of the sheet base and the one side and the other side sheet folded portion are heat-sealed, and The outer packaging sheet is formed into a bag shape by
The absorber is wrapped in the bag-shaped wrapping sheet.

According to the present invention, the first
And a step of attaching the release paper described in connection with the second prior art to the outer wrapping sheet and the absorber is omitted, and the first to fifth adhesives are applied to the inner surface of the outer wrapping sheet formed in the bag shape. A sanitary absorbent device in which the absorbent adhered in the first to fifth adhesive regions is stored in the adhesive in the region can be manufactured in as few steps as possible.

When the manufactured absorbent body of the sanitary absorbent article is taken out of the bag-shaped outer wrapping sheet and is ready to be attached to the undergarment of the user, the one-side and the other-side sheet folded portions are fixed. Is released, the heat-sealed one-side and other-side sheet folded portions and the sheet base are peeled off. This allows the first and second adhesive areas of the first and second folded portions of the absorber to be attached to the first and second adhesive sheets of the envelope sheet.
The adhesive on the adhesive applied area is transferred. By peeling the absorbent body from the outer wrapping sheet in this state, the adhesive on the third to fifth adhesive application areas of the outer wrapping sheet is transferred to the third to fifth adhesive areas of the base and each wing.
The transferred adhesive is exposed to the outside on the first to fifth adhesive areas, and thus can be attached more easily than the above-described third prior art sanitary absorber. State.

The absorbent taken out as described above uses the base of the main body, the first and second folded portions, and the respective wing portions by the adhesive on the first to fifth adhesive regions. It can be adhered to the underwear of a person, and the state attached to the underwear can be firmly maintained.

According to a third aspect of the present invention, in the manufacturing method according to the second aspect, in the second step, the first to fifth pressure-sensitive adhesive application areas are predetermined as one pattern on the long envelope sheet. The adhesive is applied at intervals.

According to the present invention, the first to fifth pressure-sensitive adhesive application areas are made into one pattern, and the pressure-sensitive adhesive is applied to the long outer wrapping sheet at a predetermined interval for each of the patterns in the second step. . In this adhesive application operation, a long envelope sheet can be stretched flat and applied to the first to fifth adhesive application areas of one pattern from one side outside, so that the application to a plurality of patterns can be performed. The work can be performed continuously and easily at the predetermined interval.

After the pressure-sensitive adhesive is applied in this manner, the plurality of absorbent bodies whose first and second folded portions are folded in the first step are combined with the long outer wrapping sheet in the third step. A single piece is mounted on the surface at the predetermined interval. Next, in a fourth step, the one-side sheet folded portion of the outer wrapper sheet to which one of the wing portions is adhered is attached to the first and second adhesive regions of the first and second folded portions. The first and second pressure-sensitive adhesive application areas of the one side sheet folded portion of the long outer wrapping sheet overlap with the outer side in the width direction perpendicular to the longitudinal direction of the absorbers in the second step. Each of the absorbers is folded back so as to face the first and second adhesive regions, and each of the first and second folded portions is adhered to the one-side sheet folded portion.

Thereafter, the other sheet folded portion to which the other wing portion of each absorber is adhered is folded so as to overlap the one sheet folded portion, and is releasably fastened. Each open area on the outside in the width direction is sealed by heat fusion. In this manner, the first to fifth adhesive regions of the absorber are stuck and stored in the adhesive on the first to fifth adhesive application regions on the inner surface of the bag-shaped outer package sheet. It is possible to efficiently manufacture a plurality of sanitary absorbent articles connected at the predetermined interval in the longitudinal direction of the sheet.

According to a fourth aspect of the present invention, in the manufacturing method of the third aspect of the present invention, in the fourth step, both sides of the long outer wrapping sheet in the width direction are more than the regions where the respective absorbers are present. After heat-sealing and sealing, the heat-sealed region is cut out for each of the outer envelope sheet portions where these absorbers are respectively sealed.

According to the present invention, since each heat-sealed area of the outer wrapping sheet of the sanitary absorbent article provided at the predetermined interval is cut, excellent portability in which a single absorber is stored. The sanitary absorber can be manufactured efficiently.

[0039]

FIG. 1 is a sectional view showing a sanitary absorbent device 31 according to an embodiment of the present invention, and FIG. 2 shows a state in which the sanitary absorbent device 31 is developed. It is a perspective view. The sanitary absorber 31 includes an absorber 33 used as a sanitary napkin, and a storage bag 32 for storing the absorber 33.

The absorber 33 includes a front sheet 35 having water permeability, a back sheet 36 having water impermeability, and an absorbing layer 37 interposed between the front and back sheets 35, 36.

The front sheet 35 is realized by, for example, a nonwoven fabric. When the absorber 33 is used, the front sheet 35 is disposed on the side that directly contacts the user's skin. For this reason, by using a nonwoven fabric having a feeling similar to underwear, the absorber 33 can be used without a sense of incongruity. The water absorbing layer 37 includes, for example, fluff pulp and a water absorbing polymer. The water-absorbing layer 37 can absorb the liquid that has passed through the front sheet 35 and solidify it into a gel so that it does not leak out of the front sheet 35. The back sheet 36 is realized by a thermoplastic synthetic resin such as polyethylene, and can prevent the liquid absorbed by the water absorbing layer 37 from leaking to the outside when the absorber 33 is used.

The absorber 33 is referred to as a winged napkin or the like.
A pair of wing portions 41a, 41b projecting from both sides in the width direction perpendicular to the longitudinal direction of the wing portion (hereinafter, suffixes a, b are omitted when collectively referring to each wing portion)
And Each wing portion 41 is provided near one end portion 38 a in the longitudinal direction of the main body 40. That is, each wing portion 41 extends in the longitudinal direction from a portion 42b where each wing portion 41 and the main body 40 are connected to a distal end portion 39a of the one longitudinal end portion 38a near one end portion 38a in the longitudinal direction of the main body 40. The length L1 is near the other end 38b in the longitudinal direction of the main body 40 and extends along the longitudinal direction from the portion 42c where each wing portion 41 and the main body 40 are continuous to the tip 39b of the other end 38b in the longitudinal direction. It is provided so as to be smaller than the length L2.

The main body 40 includes a base 40a including a portion sandwiched between the wing portions 41, and the main body 40 of the base 40a.
Folded portion 40b connected to one end portion 38a in the longitudinal direction
And the other end portion 38b in the longitudinal direction of the main body 40 of the base portion 40a
And a second folded portion 40c connected to the side. Absorber 33
Is used, the first folded portion 40b is arranged on the abdomen of the user, and the second folded portion 40c is arranged on the back of the user. The corners 42a of the main body 40 and the wing portions 41 and the continuous portions 42b and 42c of the main body 40 and the wing portions 41 are provided to prevent the user's skin from being damaged when the absorber 33 is used. It is formed rounded. In addition, both ends 38a in the longitudinal direction of the main body 40,
The tip portions 39a and 39b of the 38b are also formed rounded so as not to damage the skin of the user. The water absorbing layer 37 is interposed between the front sheet 35 and the back sheet 36 of the main body 40,
The peripheral portions of 5, 36 are fixed to each other by a hot melt type adhesive.

The storage bag 32 is made of a thermoplastic synthetic resin such as polyethylene and has water impermeability.
The storage bag 32 is formed by, for example, bonding a single polyethylene sheet by folding back such that both ends in the longitudinal direction of the sheet overlap with each other, and forming the opening into a cylindrical shape. It is closed using a pressure seal realized by the above, and is formed in a bag shape.

In a state where the absorber 33 is stored in the storage bag 32, the absorber 33 is moved from a state where it is flattened as shown in FIG.
a is folded at the portion indicated by the imaginary line 46a where the base portion 40a and the first folded portion 40b are continuous so that the front sheet portion 35b of the first folded portion 40b and the front side sheet portion 35b of the first folded portion 40b face each other. Folds in the direction shown. From the state where the first folded portion 40b is folded so as to overlap on the base portion 40a, the absorber 33 is moved to the first folded portion 40b.
A portion indicated by an imaginary line 46b in which the base portion 40a and the second folded portion 40c are continuous is folded so that the back sheet portion 36b of the second folded portion 40c and the back sheet portion 36c of the second folded portion 40c overlap each other. It is turned back in the direction of arrow D2. Further, the first and second folded portions 40b, 40c
Are folded so as to overlap each other, the back sheet portion 36c of the second folded portion 40c and each wing portion 4
The front sheet portions 35d and 35e are folded back in the directions of the arrows E1 and E2 so that they overlap with each other.

With the first and second folded portions 40b and 40c and the respective wing portions 41 folded in this order so as to overlap the front sheet 35a of the base 40a in this order, the absorber 33 is Each wing portion 41 and base portion 40a are provided on the inner surface 49 of the storage bag 32 with an adhesive 47a,
By 48a, they are fixed in a state of mutual adhesion.

The adhesive 47 is applied on the back sheet portion 36a.
The base adhesive area 47 to which a is applied and the wing adhesive area 48 to which the adhesive 48a is applied on each of the back sheet portions 36d and 36e are shown by hatching with broken lines in FIG. Base adhesive area 47 and each wing adhesive area 48
The pressure-sensitive adhesives 47a and 48a are realized by, for example, a hot-melt adhesive that maintains high viscosity for a long period of time. The base adhesive region 47 is formed in a substantially rectangular shape on the back sheet portion 36a of the base 40a.

In the configuration of the embodiment of the present invention, the shape of the base adhesive region 47 is not limited to the above-described substantially rectangular shape, but may be another polygonal shape or a substantially elliptical shape. The number of base adhesive regions 47 to be arranged is not limited to one as shown in FIG. 2, and may be divided into a plurality of positions as long as they are on the back sheet portion 36a of the base 40a. Wing part adhesive area 48 arranged on back side sheet parts 36b, 36e of each wing part 41
Similarly, although this embodiment has a substantially rectangular shape in the present embodiment, the present invention is not limited to this, and may be, for example, a substantially elliptical shape or another polygonal shape. The location to be arranged is not limited to only one location, and may be divided into a plurality of locations.

FIG. 3 is a flowchart showing the procedure for manufacturing the sanitary absorbent 31. FIG. 4 is a flowchart showing the first to third steps a1 to a6 of the first to sixth steps a1 to a6 shown in FIG.
It is the simplified perspective view shown for explaining the procedure of No. 3. The sanitary absorber 31 is basically manufactured by the first to sixth steps a1 to a6.

In the first step a1, as shown in FIG. 2, the absorber 33 which has been developed flat is firstly folded into the first folded portion 40b and the front sheet portion 35a of the base 40a.
The sheet is folded in the direction of arrow D1 so as to overlap with the upper part, and then the back sheet portion 36 of the second folded part 40c and the first folded part 40b.
Fold back in the direction of arrow D2 so as to overlap on b.

In the second step a2, as shown in FIG. 4, an adhesive is applied to predetermined regions 50a to 50c on one surface of the sheet 52 formed in a belt shape. One surface of the sheet 52 has been subjected to a release treatment in advance. The release process is
For example, it is performed by applying a hot melt type adhesive and heating and curing the adhesive. By this release process,
The adhesive applied to each of the regions 50a to 50c on one surface of the sheet 52 can be easily removed. The predetermined areas 50a to 50c are areas corresponding to the base 40a of the absorber 33 and the predetermined base adhesive areas 47 and the respective wing adhesive areas 48 of the wings 41 on one surface of the sheet 52. .

The sheet 52 is rewound from the paper supply reel 51 and is conveyed while being tensioned by a conveying roller (not shown). When applying the adhesive on the one surface of the sheet 52 conveyed in this manner, for example, three rollers _RA , _RA , respectively corresponding to the regions 50a to 50c, respectively.
R _B and R _C are arranged on the side facing the one surface of the sheet 52 (downward in FIG. 4), and predetermined intervals L _A , L _B and L _C are set in the conveyance direction of the sheet 52 for each of the regions 50a to 50c. Open,
Wherein each of the rollers R _A, R _B, is brought close / separate the R _C individually sheet 52 may be coated with adhesive on the areas 50 a to 50 c. Further, for example, the predetermined distances L _A , L _B ,
After the adhesive to be applied is attached to the area corresponding to each of the areas 50a to 50c with a gap L _C , the adhesive is brought into contact with the one surface of the sheet 52 in this state, and the area 50a to 50c
Then, a method of transferring the adhesive adhered to the outer peripheral surface, that is, a so-called gravure transfer method may be used.

In the third step a3, the base 40a and the respective wings 41 of the absorber 33 with the first and second folded portions 40b and 40c folded are formed in the respective regions 50a to 50c to which the adhesive is applied. And the adhesive on each of the regions 50a to 50c is transferred to the base 40a and each wing 41, respectively.

In the first step a1 described above, the absorber 33 is transported by the transport conveyor 55 in the direction indicated by the arrow F with the first and second folded portions 40b and 40c folded. The absorber 33 includes a base portion 40a and each back side sheet portion 36a of each wing portion 41;
d and 36e are placed and conveyed on the conveyor 55 so as to face the side facing one surface of the sheet 52. The absorber 33 is conveyed, and a predetermined contact position 56 is determined.
Is reached in the second step a2.
The adhesive applied to the second regions 50a to 50c is transferred to the base adhesive region 47 and the wing adhesive regions 48 of the absorber 33, and the sheet 52 and the absorber 33 are adhered. On one surface of the sheet 52, each predetermined interval L _A ~
Since the adhesive spaced L _C, respectively, are applied, on the conveyor 55, by arranging a plurality of the absorbent body 33 spaced respective predetermined intervals L _A ~L _C in the conveying direction F, the adhesion position 56 The sheet 52 and the plurality of absorbers 3
3 can be continuously adhered.

FIG. 5 is a simplified perspective view showing the fourth to sixth steps a4 to a6 of the steps a1 to a6 of the manufacturing procedure of the sanitary absorbent device 31 shown in FIG. FIG. 5A illustrates the fourth step a4, and FIG. 5B illustrates the fifth to sixth steps a5 to a6. In the fourth step, the sheet 52 is
With the absorber 33 adhered to the one surface, the one sheet folded portion 58 of the sheet 52 to which the one wing portion 41a is adhered is connected to the back sheet 36c of the second folded portion 40c.
The sheet 52 is folded back so as to overlap the upper part, and the sheet 52 is folded so that the other sheet folded part 59 of the sheet 52 to which the other wing part 41b adheres partially overlaps the one sheet folded part 59.

Referring to FIG. 5A, a fourth step a4
As a result, one sheet folded portion 58 of the sheet 52 folded together with the one wing portion 41a is folded in the direction shown by the arrow H1, and the other wing portion 41b
At the same time, the other sheet folded portion 59 of the sheet 52 is folded in the direction indicated by the arrow H2. Thereby, both ends 52a, 52 in the width direction perpendicular to the conveying direction F of the sheet 52 are provided.
b are arranged so as to overlap each other. In this way, as shown in FIG.
Is wrapped in a tubular shape.

In the fifth step a5, the region 62a where the one and the other sheet folded portions 58 and 59 overlap is bonded. That is, both ends 52a, 5 of the sheet 52 in the width direction.
2b is adhered. Next, in a sixth step a6, one and the other sheet folded portions 58 and 59 and the sheet base 57 sandwiched between the one and the other sheet folded portions 58 and 59 are provided.
Are bonded, and both sides of the sheet 52 in the transport direction are cut. Thus, the opening 63a of the tubular sheet 52 is closed.

Such first to sixth steps a1 to a6
The absorber 33 is stored in the storage bag 32 formed by the sheet 52 and hermetically sealed by the above procedure.

FIG. 6 shows the first to sixth steps a shown in FIG.
Sanitary absorbent device 3 manufactured by the manufacturing procedure of 1 to a6
FIG. Note that FIG. 6 and FIG.
, The cross-hatched portion is the sheet 5
2 is a portion where the opening 63a is bonded and closed. When the absorber 33 is stored in the storage bag 32, each wing portion 41 is fixed to the inner surface 49 of the storage bag 32 by adhesion. In the main body 40, the base portion 40a is
2 is adhered and fixed to the inner surface 49, and the first and second
The folded portions 40b and 40c are fixed while being sandwiched between the base portion 40a and each wing portion 41.

Therefore, in this state, it is possible to eliminate the disadvantage that the absorber 33 undesirably expands and loses its shape. In addition, since the storage bag 32 is made of a material having water impermeability, it is possible to eliminate a problem such that moisture is undesirably attached to the unused absorbent body 33 stored in the storage bag 32 and the absorption capacity is reduced. . Further, when the absorbent body 33 is in the housed state, the front sheet 35 having water permeability is folded back so as to be surrounded by the back sheet 36 having water impermeability. Problems such as lowering can be reliably eliminated.

FIG. 7 is a perspective view of the sanitary absorber 31 as viewed from below in FIG. First to sixth steps a1 described above
Sanitary absorber 31 manufactured according to the manufacturing procedure of ~ a6
Is formed in a bag shape and includes a storage bag 32 having an opening portion 62 and a sealing portion 63, and an absorber 33.

The opening portion 62 is formed by a region 62a where the one and the other sheet folded portions 58 and 59 overlap and adhere to each other, in other words, the width direction both ends 52a and 52b of the sheet 52. . This opening portion 62
Is configured so that a user can easily open it by grasping it with fingers. Specifically, when the other sheet folded portion 59 disposed outside at the time of opening is pulled by a finger, the tensile strength of the sheet 52 is set such that the bonded width direction ends 52a and 52b are easily separated from each other. It is adhered by a weaker adhesive force. In addition, the sealing portion 63
Is formed by the opening 63a of the tubular sheet 52 bonded in the sixth step a6 of the manufacturing procedure shown in FIG. The sealing portion 63 is configured so that the user can easily peel it off with his / her finger, similarly to the opening portion 62.

In this embodiment, an adhesive tape 60 is provided in the opening 62. The adhesive tape 60
At one end in the longitudinal direction of the adhesive tape 60, there is provided a fixing portion 60a which is fixed to the other sheet folding portion 59 disposed outside, and is detachably attached to the one sheet folding portion 58 at the longitudinal middle portion. And a grip portion 61 extending on one surface of one sheet folded portion 58 at the other end in the longitudinal direction.

When the stored absorbent 33 is taken out of the storage bag 32 and used, first, the grip portion 61 of the adhesive tape 60 to which the adhesive is not applied is gripped by one hand, and the other folded portion is held. 59 is peeled off from the portion to be bonded to the one sheet folded portion 58 and the sheet base 57, and the other sheet folded portion 58
From the portion to be bonded to the sheet base 57.
The fixing portion 60a of the adhesive tape 60 fixed to the other sheet folded portion 59 is attached to the other sheet folded portion 59 by a stronger force than the adhesive applied to the opening portion 62 and the sealing portion 63. The grip portion 61 of the adhesive tape 60 is configured to be fixed as described above.
And the other sheet folded portion 59 can be easily deployed.

FIG. 8 is a perspective view for explaining the operation of peeling the absorber 33 from the storage bag 32. As shown in FIG. When the bag-shaped storage bag 32 is developed flat as described above,
First and second folded portions 40b and 40c of absorber 33
Is released from the state of being restrained by being sandwiched between the wings 41 and the base 40a, and is developed in the direction opposite to the directions of the arrows D1 and D2. When peeling the absorbent body 33 from the storage bag 32 that has been developed flat, the one wing part 41a is gripped by the other hand while the grip part 61 of the adhesive tape 60 is gripped by the one hand. Then, the direction in which the absorber 33 and the storage bag 32 are separated from each other,
Peel off in the direction indicated by I2.

The absorbent 33 peeled off as described above is in a state where the adhesive on the base adhesive region 47 and the wing adhesive region 48 is exposed to the outside, and
This completes the operation of putting the absorber 33 into a usable state.

As described above, according to the embodiment of the present invention, the gripping portion 61 of the adhesive tape 60 is gripped by one hand and operated by the other hand to open the easily peelable opening portion 62.
The sealing bag 63 is peeled off and the storage bag 32 is deployed,
The adhesive of the base 40 and the wings 41 can be exposed simply by peeling the absorber 33 from the expanded storage bag 32 with the other hand. That is, the absorber 33
The operation in which the main body and each wing portion must be peeled off after the absorber is peeled off from the storage body as described in relation to the third related art described above. This can be easily performed in comparison.

FIG. 9 is a front view for explaining the work of attaching the absorber 33 to the underwear 71 of the user. When attaching the absorber 33 to the user's underwear 71, first, the first folded portion 40b of the main body 40 is arranged on the abdomen of the user, and the second folded portion 40c of the main body 40 is The direction of the absorber 33 is adjusted so as to be arranged on the back side. Next, the back side sheet portions 36d, 3 of each wing portion 41
The base 40a is adhered to the crotch inner surface 72 of the underwear 71 with the adhesive on the base adhesive region 47 in a state where each wing 41 is folded so that 6e and the back sheet portion 36a of the base 40a overlap. . In this state, the wing portion 41 is folded back in the directions indicated by the arrows J1 and J2, and the wing portion 41 is adhered to the crotch outer surface 73 of the underwear 71 with the adhesive on the wing adhesive region 48. Thus, the absorber 33 is fixed to the underwear 71. In this state, it is possible to eliminate the problem that the user exercises and the absorber 33 shifts from the correct mounting position of the underwear 71.

When the used absorber 33 is discarded,
As described with reference to FIG. 8 described above, the storage bag 32 developed in a flat shape is superimposed on the absorber 33 and rolled together with the absorber 32 to form a substantially columnar shape. Fixed so that it does not expand. Since the storage bag 32 has water impermeability, the used absorbent body 33 can be discarded sanitarily. Further, in the embodiment of the present invention, since the release paper is not used unlike the first and second prior arts described above, the used absorber 33 can be easily wrapped in the storage bag 32. In addition, by not using release paper, resources can be saved, and when manufacturing the sanitary absorbent 31, the number of parts is reduced as compared with the first and second conventional techniques. As a result, material costs can be reduced.

In this embodiment, the storage bag 32 is formed of a translucent or opaque synthetic resin material. For example, when the storage bag 32 is made of a milky white material, for example, polyethylene, the storage bag 32 is discarded when the unused absorber 33 is stored in the storage bag 32 and in a state where the used absorber 33 is wrapped. When this happens, the absorber 33 can be made invisible from the outside.
This can eliminate a problem that the user or a person other than the user is uncomfortable. The adhesive tape 60 is colored in a color different from that of the storage bag 32. Thereby, the arrangement position of the opening portion 62 can be identified at a glance.

In the above embodiment, the absorber 33 is
Although each wing portion 41 is provided near one end portion 38a in the longitudinal direction of the main body 40, the present invention is not limited to this. For example, each wing portion 41 may be provided near the other end portion 38b in the longitudinal direction of the main body 40, or It may be provided at the center in the direction.

FIG. 10 is a perspective view showing a sanitary absorbent 80 according to another embodiment of the present invention. FIG. 10 shows a state in which the absorber 81 and the storage bag 32 are expanded. This embodiment is similar to the above-described sanitary absorber 31, and corresponding portions are denoted by the same reference numerals and description thereof is omitted.

Each wing portion 84 of the absorber 81 is
0 is provided near the other end 38b in the longitudinal direction. In other words, each wing portion 84 is connected to one end 3 in the longitudinal direction of the main body 40.
The leading end portion 39a of the one end portion 38a in the longitudinal direction starts from the portion 42b where each wing portion 84 and the main body 40 are connected near 8a.
The length L1 ′ along the longitudinal direction up to the longitudinal direction other end 38b of the main body 40 is closer to each wing portion 84 and the main body 4.
0 from the portion 42c where
B. Length L along the longitudinal direction up to the distal end portion 39a
It is provided to be larger than 2 ′. This absorber 8
1, in addition to the base adhesive region 47 and the wing adhesive regions 48 described above, the second folded portion 40c of the main body 40 is provided.
Second folded portion adhesive region 7 of the water-impermeable sheet portion 36c
9 is coated with an adhesive. Second folded portion adhesive area 79
Is located at the center in the width direction of the main body 40 on the outer surface of the impermeable sheet portion 36c where the water absorbing layer portion 36c exists. When the adhesive is applied to the second folded adhesive region 79, for example, with reference to FIG. 4, in the second step of the manufacturing procedure of the sanitary absorbent device 31 described above, the respective regions 50a to 50c of the sheet 52 are described. Than the second folded portion adhesive area 7 on one side in the width direction perpendicular to the transport direction F
An adhesive is applied to a region 50d indicated by a virtual line corresponding to No. 9. As a result, the absorbent body 81 is stored in the storage bag 32 in the second folded part adhesive area 79 as shown in FIG. 11, and the second folded part of the absorbent body 81 is sandwiched between the ends of the wings 84. The back sheet portion 36c of the portion 40c
The area 50d is arranged on the upper side, and the adhesive is transferred. Therefore, in this embodiment, when the absorbent body 81 is taken out from the storage bag 32 and deployed, as shown by a virtual line in FIG. The adhesive is disposed on the folded-back adhesive region 79. When the absorbent body 81 in which the second folded portion adhesive region 79 is arranged is attached to the user's underwear 71, the second folded portion 40c is placed on the abdomen of the user, and the first folded portion 40b is placed on the back of the user. To be placed on the side,
The direction of the absorber 81 is adjusted, and adheres to the underwear 71 as in the above-described embodiment. Since the absorber 81 can adhere the second folded portion 40c to the underwear 71 together with the base 40a and each wing portion 84, the absorber 81 is wider on the user's underwear 71 as compared with the above-described embodiment. Can be glued in the area.

FIG. 12 is a perspective view for explaining a method of manufacturing the sanitary absorbent device 131 according to one embodiment of the present invention, and FIG.
It is a partial perspective view which expands and shows the vicinity. The sanitary absorbent device 131 has an absorbent body 133 and a rectangular outer wrapper sheet 132 made of a water-impermeable material. It is stuck and stored. The absorber 133 includes a water-permeable front sheet 135, a water-impermeable back sheet 136, a water-absorbing layer 137 composed of a plurality (two in this embodiment) of tissues 193, 196 and cotton-like pulp 191. It is comprised including.

As shown in FIG. 12, the water-absorbent layer 137 has a cotton-like pulp 191 laminated to a predetermined thickness by a laminating machine 194 on a belt-shaped lower tissue 193 unwound from a lower tissue rewind reel 192. Then, the upper tissue rewind reel 1 is placed on the upper surface of
A belt-shaped upper tissue 196 that is unwound from the base 95 is mounted thereon, and thus a pair of upper and lower tissues 193 and 196 is mounted.
And a cotton-like pulp 191 interposed between the tissues 193 and 196, and is pressed down by a plurality of pairs of press rolls 197 and 198 in the thickness direction. By cutting out, a single water absorbing layer 137 is formed.

The water absorbing layer 137 thus formed
Are continuously conveyed at a predetermined interval ΔL11 in a conveying direction indicated by an arrow F11 by a conveying conveyor (not shown), and a front sheet rewinding reel 200 provided below.
On the belt-shaped front sheet 135 unwound from
Above the water absorbing layer 137, the back sheet rewinding reel 13
The back side sheet 136 that is rewound from Step 6 is loaded. The long front and back sheets 135 and 136 have a water absorbing layer 137.
And a hot-melt adhesive is applied to the surface of the back sheet 136 facing the front sheet 135. As described above, when the sheet is conveyed between the pair of heating rollers 202 with the water absorbing layer 137 interposed between the front and back sheets 135 and 136, water is absorbed by the hot-melt adhesive applied to the back sheet 136. In the peripheral region of the layer 137, the front sheet 1
35 is adhered to the back sheet 136, whereby the water absorbing layer 137 is included by the front and back sheets 135 and 136, and in a region where the water absorbing layer 137 is interposed, the water absorbing layer 137 is adhered to the back sheet 136. 137 is less likely to collapse.

With the back sheet 136, the front sheet 135 and the water-absorbing layer 137 adhered in this manner, the sheet is further transported in the direction of arrow F11, and the peripheral rotary cutter 20 is moved.
3 separates into a single absorber 133 and residual debris. The absorber 133 thus formed has a main body 140 in which the water absorbing layer 137 is included, and a pair of wing portions 141a and 141b projecting from both sides in the width direction of the main body 140 to both sides in the width direction. The main body 140 is sandwiched between the wings 141a and 141b, and a base 140 sandwiched between folds 146a and 146b described later.
a, a first folded portion 140b on one end side in the longitudinal direction from the base portion 140a, and a second folded portion 140c on the other end portion in the longitudinal direction from the base portion 140a.

The absorber 133 thus formed
Is transported by the transport conveyor 204 in a state where the first folded portion 140b is located on the downstream side in the transport direction F11 and the second folded portion 140c is located on the upstream side in the transport direction F11. Then, the sheet is turned 180 degrees around the horizontal axis, so that the front sheet 135 faces upward and the back sheet 136 faces downward. In this state, the sheet is loaded on the conveyor 206 and approaches the contact plate 209. Transport. The reversing roller 205 has a minute air hole 205a on its outer periphery, sucks the air from the air hole 205a, adsorbs the absorber 133, and rotates the absorber 133 180 degrees without falling by the action of gravity. In the region where the following conveyor conveyor 206 faces downward, the suction is not performed, and the absorber 133 is dropped by its own weight, so that the absorber 133 can be transferred to the conveyor conveyor 206. In addition, each conveyor 204, 206
Also, the conveyor belt has minute air holes (not shown), and the absorber 133 is moved from the upstream side to the downstream side in the conveyance direction by the suction devices 207 and 208 provided along the conveyance path of the absorber 133. , And is transported while reliably maintaining the distance ΔL11 between the absorbers 133 and the orientation of the absorbers 133.

The absorber 133 is transported by the transport conveyor 206, and the end of the absorber 133 on the most downstream side in the transport direction F 11 abuts on the abutment plate 209, thereby moving to the first step described above.

In the first step, the flat first folded plate 21
0 is displaced vertically downward, and its lower end presses the connecting portion between the base 140a and the first folded portion 140b indicated by the imaginary line 146a of the absorber 133, and pushes the absorber 133 into the gap 213. . As the absorber 133 is pushed into the gap 213, the connecting portion between the base 140a and the first folded portion 140b is creased, and the front sheet 135 of the first folded portion 140b and the base 1 are folded.
The front side sheet 135 of 40a is folded back so as to overlap each other.

First folded plate 2 into which absorber 133 is pushed
10 is driven to be displaced upward to prepare for the subsequent absorber 133. The absorber 133 pushed into the gap 213 is folded back as described above, and
4, 215, and is conveyed in a direction approaching the second contact plate 216. The end of the absorber 133 conveyed in this way, which is the most downstream in the conveying direction, that is, the base 140a of the main body 140 and the first folded portion 1
When the connecting portion of 40b contacts the second contact plate 216, the second folded plate 217 is driven to be displaced in the horizontal direction,
The leading end presses the connecting portion of the base 140a and the second folded portion 140c indicated by the virtual line 146b of the absorber 133, and pushes the absorber 133 into the gap 218 in this state. As the absorber 133 is pushed into the gap 218, the connecting portion indicated by the imaginary line 146b is creased, and the front sheet 13 of the second folded portion 140c is folded.
The five portions and the back sheet 136 portion of the first folded portion 140c folded so as to overlap the base portion 140a are folded so as to overlap.

The second folded plate 217 into which the absorber 133 has been pushed into the gap 218 is displaced and driven in a direction opposite to the direction in which the absorber 133 is pushed, and is provided in the succeeding absorber 133, and is pushed into the gap 218. The absorber 133 thus folded is conveyed by the conveyer 220 having the suction device 219 in a folded state as described above.

Thus, the main body 140 of the absorber 133
Is folded in three, and the process proceeds from the first step to the second step.

In the second step, the long outer wrapping sheet 132 is rewound from the sheet rewind reel 221. At least one of the first to sixth pressure-sensitive adhesive application areas 222 to 227 on one surface of the long outer envelope sheet 132 is subjected to a release treatment. In this release processing, the above-described FIGS.
As in each of the embodiments shown in FIG. 1, a release treatment layer may be formed by applying and curing a hot-melt adhesive on a polyethylene film serving as a base material, or may be released by a silicone resin. A treatment layer may be formed.

The first to sixth pressure-sensitive adhesive application areas 2 are formed on one surface of the long outer wrapping sheet 132 having the release treatment layer.
22 to 227 as one pattern, the applicator 228
To apply an adhesive. This adhesive is as described above,
Compared to the adhesive applied to the back sheet 136 when the absorber 133 is formed, the adhesive has a lower adhesive strength, but can maintain the tackiness for a long period of time, and has a feature that two solids can be detachably adhered. This pressure-sensitive adhesive is realized by, for example, a hot-melt pressure-sensitive adhesive. The above-mentioned hot-melt adhesives and hot-melt pressure-sensitive adhesives are obtained by adding waxes such as petroleum wax and vegetable wax, plasticizers such as polybutene, tackifiers such as butyral resin, An antioxidant such as thiodipropionate and a filler such as tarwa are mixed. Among these, the tackifier is used to improve the initial tackiness or residual tackiness, for example, by adjusting the type and the mixing amount of the tackifier, suitably implemented as an adhesive or a pressure-sensitive adhesive can do.

The first to sixth pressure-sensitive adhesive application areas 222 to 2
The applicator 228 for applying the adhesive to the 27 has a plurality of nozzles arranged at equal intervals along the width direction perpendicular to the transport direction F12 of the long outer wrapping sheet 132, and the adhesive is applied from this nozzle. First to sixth adhesive application areas 222 to
Injection at a predetermined timing corresponding to
The sixth to sixth adhesive application areas 222 to 227 are configured to apply an adhesive. Thereby, the long outer wrapping sheet 13
2, a length interval ΔL12 (= ΔL12) along the transport direction F12 corresponding to the transport speed of the long outer envelope sheet 132
In L11), each of the regions 222 to
The adhesive can be continuously applied using 227 as one pattern. The long outer wrapping sheet 132 on which the adhesive is applied in this manner is placed on the mounting position 22 on which the absorber 133 is mounted.
9 and the process moves to the next third step.

In the third step, the absorber 133 with the first and second folded portions 140b and 140c folded in the first step is replaced with the long outer sheet 136 of the back sheet 136 of one wing portion 141a. The back surface sheet 136 of the other wing portion 141b faces the pressure-sensitive adhesive surface on the third pressure-sensitive adhesive application area 224 of the second pressure-sensitive adhesive sheet 132 on the fourth pressure-sensitive adhesive application area 225 of the long outer packaging sheet 132. The absorber 133 is placed on the long outer packaging sheet 132 such that the back side sheet 136 of the base 140a faces the adhesive surface on the fifth adhesive application area 226 of the long external packaging sheet 132 so as to face the long outer packaging sheet 132. On board. After the vehicle is loaded in this manner, it is transported in the direction of arrow F13,
Move to process.

In the fourth step, the absorber 13 is used in the third step.
3 is conveyed between the pair of sheet guide pieces 230 and 231, so that the base 140 a of the absorber 133 of the long outer sheet 132 is mounted on the sheet base 157. The seat base 157
One side sheet folded portion 158 at one end in the width direction overlaps, and the other sheet folded portion 159 at the other end in the width direction is further folded over the sheet base 157. As the outer sheet 132 is conveyed in the conveying direction F13, the sheet guide pieces 230 and 231 first move the one-side sheet folded portion 157 together with the one wing portion 141a into the first and second folded portions 140.
b and 140c, and then guide the other sheet folded portion 158 together with the other wing portion 141b so as to overlap the first and second folded portions 140b and 140c.

When the long outer wrapping sheet 132 is folded in this way, the front sheet portions of the wing portions 141a and 141b overlap the back sheet portions of the first and second folded portions 140b and 140c, and each of the folded portions is folded. 140
b, 140c each wing portion 1 of each back side sheet portion
The first and second pressure-sensitive adhesive applied areas 222 and 22 of the outer wrapping sheet 132 are provided in areas not covered by 41a and 141b.
The adhesive on 3 comes in contact. Further, the leading end of the other-side sheet folded portion 159 of the long outer envelope sheet 132 overlaps with the one-side sheet folded portion 158, and is mounted on the adhesive surface of the adhesive on the sixth adhesive application area 227.

After the long outer wrapping sheet 132 is folded back together with the absorber 133 in this way, the press rollers 238,
239, the long outer envelope sheet 132 and the absorber 1
33 are pressed in their thickness direction. As a result, the first to fifth pressure-sensitive adhesive applied areas 2 of the long outer envelope sheet 132
The adhesive on 22 to 226 is pushed and spread on the absorber 133 and firmly adheres, and the adhesive on the sixth adhesive application area 227 causes the one-side and the other-side sheet folded portions 158 and 159 to mutually move. Sticky.

In the fourth step, a sealing tape 233 is attached to the first and second folded portions 158 and 159 folded as described above, and the folded portions 158 and 159 are formed.
Are fixed so that they can be separated from each other. The sealing tape 233 is
It is stretched over the sealing tape rewinding reel 234 and the rotary cutter 232 and is long.
The belt 32 is unwound by being driven to rotate, and the leading end of the band is cut off and attached as a seal for individual packaging. The single sealing tape 233 cut out for individual packaging has the same configuration as the adhesive tape 60 of each embodiment shown in FIGS. 1 to 11 described above, and the description is omitted because it is redundant. . Rotary cutter 23
2 is a sealing tape 2 cut out for individual packaging.
33 is rotationally driven so as to adhere to the central portion in the transport direction of the region of the long outer wrapping sheet 132 where the absorber 133 exists.

After the sealing tape 233 is stuck in this manner, each of the sheet base 157 and each of the sheet folding portions 158 and 159 on both sides in the transport direction with respect to the area where the absorber 133 exists in the sheet folded portions 158 and 159 is located. After the open area is heat-sealed and sealed by the heat-sealing roller 235, the heat-sealed area 163 is cut by the rotary cutter 236. The heat-sealing roller 235 has a plurality of metal needle-shaped protrusions on its outer peripheral surface. The protrusions are formed by the above-described open area of the sheet base 157 and the one-side and other-side sheet folded portions 158 and 159. When performing heat fusion with the open area portion, the plurality of through holes are formed by pressing each open area while the temperature is higher than the melting point of the outer wrapping sheet 132. Thereby, only the peripheral portion of the through hole can be thermally fused. For example, in a configuration in which the open area of the sheet base 157 and the open areas of the one-side and the other-side sheet folded parts 158 and 159 are heat-sealed over the entire surface, the bag-like outer sheet is strongly fused. Although there is a problem that it is difficult to open 132a, according to the present embodiment, the above problem can be avoided.

According to the first to fourth steps, the step of attaching the release paper described in relation to the first and second prior arts to the outer sheet 132 and the absorber 133 is omitted. The envelope sheet 132 formed in the bag shape
a first to fifth adhesive application areas 222 to 22 on the inner surface 49 of FIG.
The sanitary absorbent device 131 in which the absorbent body 133 adhered to the adhesive of the first to fifth adhesive regions 241 to 245 is stored.
It can be manufactured with as few steps as possible.

FIG. 14 is a perspective view showing the sanitary absorbent 131 manufactured by the first to sixth steps shown in FIGS. 12 and 13, and FIG. 15 shows a state where the sanitary absorbent 131 is developed. It is a perspective view. The sanitary absorbent device 131 of the present embodiment is similar to the above-described embodiments shown in FIGS. I do.

The absorber 133 of this embodiment is different from the body 140
Each wing portion 141 near one end portion 138a in the longitudinal direction of
The length L11 along the longitudinal direction from the portion 142b where the a, 141b and the main body 140 are continuous to the distal end portion 139a of the one end 138a in the longitudinal direction is closer to the other end 138b in the longitudinal direction of the main body 140. , 14
Each of the wings 141a, 141b is larger than the length L12 along the longitudinal direction from the portion 142c where the main body 1b and the main body 140 are connected to the tip 139b of the other end 138b in the longitudinal direction. Body 140
Is provided near the other end 138b in the longitudinal direction. Absorber 1
33 is peeled off from the outer package sheet 132a formed in a bag shape, and when the absorber 133 is stored in the outer package sheet 132a, the first folded portion 140b of the first folded portion 140b is removed.
First adhesive area 2 that was adhered on adhesive applied area 222
41, a second adhesive region 242 adhered on the second adhesive application region 223 of the second folded portion 140c, and a third adhesive region 242 adhered on the third adhesive application region 224 of one wing 141a. Adhesive area 243, other wing 1
The fourth adhesive region 244 adhered on the fourth adhesive application region 225 of the base 41a and the fifth adhesive region 244 of the base 140a.
Fifth adhesive area 2 adhered on adhesive applied area 226
The adhesive is transferred to 45 and exposed to the outside.

The above-described first step shown in FIGS. 12 and 13, that is, the step of folding the main body 140 of the absorber 132 into three parts will be described with reference to FIG.
The connecting portion between the base 140a and the first folded portion 140b near the one end 138a in the longitudinal direction is indicated by an imaginary line 146a, and is folded in the direction of the arrow D11. And the other end 13 in the longitudinal direction
The connecting portion with the second folded portion 140c closer to 8b is creased, and the second folded portion 140c is folded back into the first folded portion.
In the back sheet 136 of the folded portion 140b, the first sheet
It is folded back in the direction of arrow D12 so as to overlap on the area closer to the one end 139a in the longitudinal direction than the adhesive area 241.
Further, the fourth step described above, that is, each wing portion 141
In the step of folding back the sheets a and 141b together with the sheet folding sections 158 and 159, the wing sections 141a and 141b
Are indicated by imaginary lines 237a and 237b, and a portion connected to the main body 140 is creased, and the first portion turned back in the first step is
And the first folded portions 140b and 140c,
And the absorber 1 more than the second adhesive regions 241 and 242
33 are folded in the directions of arrows E11 and E12 so as to overlap with the respective regions on both sides in the width direction.

The first and second folded portions 140b, 1
Fold 1 when folding back 40c in the direction of arrows D11 and D12
The arrangement positions of the first and second adhesive regions 241 and 242 described above are determined by combining the first and second adhesive regions 241 and 242 with the bag-like outer wrapping sheet 132.
a, which can be exposed facing the inner surface of a, and where the wings 141a, 141b are continuous
c, both ends 138a, 138 of the main body 140 in the longitudinal direction.
b. In addition, each wing section 141
The positions of the folds 237a and 237b when the a and 141b are folded in the directions of the arrows E11 and E12 are the first and second positions.
The adhesive regions 241 and 242 are formed into a bag-shaped outer wrapping sheet 132a.
Of the water-absorbing layer 13
7 are selected so as to be on both sides in the width direction of the main body 140 than the region where 7 exists.

By selecting the arrangement position in this manner, each fold 146a, 146b; 237a, 237b
Cross on the absorber 133, and each wing part 141a,
Since the excessively folded portion 141b and the main body 140 are prevented, the fold portion of the absorber 133 does not need to be hardened. And the absorber 133 can be easily brought into the deployed state shown in FIG.

Further, in the absorber 133 of this embodiment, the region to which the adhesive is applied is provided not only in the base 140a and the wings 141a and 141b, but also in the first and second folded portions 140b and 140c. Fig. 1
11 to 11 in comparison with the embodiment shown in FIG.
3 can be adhered to the underwear 71 in a wide area.

FIG. 16 is a perspective view for explaining an example of an operation of taking out the absorber 133 from the bag-like outer wrapping sheet 132a. As shown in FIG. 14, when taking out the stored absorbent 133 from the bag-shaped outer wrapping sheet 132a and putting it into a usable state, first, the adhesive tape 60 is gripped with one hand, and the sheet base 157 is gripped with the other hand. In a state where the one-side sheet folded portion 158 is grasped from the outside together with the absorber 133, the other-side sheet folded portion 159 is peeled off from the one-side sheet folded portion 158 and the sheet base 157, and the arrow F12 direction (see FIG. 15). And expand in the opposite direction. In this state, the other wing 1 of the absorber 133
41b is exposed to the outside and the user holds the above-mentioned adhesive tape 60 with the one hand while holding the other exposed wing portion 141b with the other hand to hold the absorbent 133 and the outer package together. The sheet 132 is peeled off in a direction away from the sheet 132, that is, in a direction indicated by arrows I11 and I12. Thus, the fourth adhesive region 244 of the other wing portion 141b, the fifth adhesive region 245 of the base 140a, and the third adhesive region 245 of the one wing portion 141a can be formed by two simple operations.
Adhesive area 243 and first and second folded portions 14
0b, 140c, the first and second adhesive areas 241, 24
The respective pressure-sensitive adhesives on the surface 2 are exposed to the outside in this order, thereby completing the operation of putting the absorber 133 into a usable state.

As described above, in the present embodiment, while holding the adhesive tape 60 with one hand, the absorbent 133 is held with the other hand.
By simply peeling off the adhesive, the adhesive on each of the adhesive regions 241 to 245 can be exposed to the outside, so that the absorbent sheet can be removed from the outer wrapping sheet as described in relation to the third related art described above. Compared with a configuration in which the main body and each wing portion must be peeled off after being peeled off, the work for making the above usable state can be easily performed. In addition, as compared with the operation shown in FIG. 8 described above, that is, the operation of peeling off the absorber 33 after the storage bag 32 is unfolded flat, the step of peeling off the other sheet folded portion 59 from the sheet base 57 is omitted. This makes it easier to take out the absorber 133 to make it usable.

As still another embodiment of the present invention, when taking out the absorbent body 33 of the embodiment shown in FIGS. 32.

[0103]

According to the first aspect of the present invention, when the absorbent body is stored in the storage bag, the first folded portion disposed closer to one longitudinal end of the main body than the base portion has the base portion. Is folded so as to overlap on the water-permeable sheet. A second folded portion disposed on the other end side in the longitudinal direction from the base portion is folded over the first folded portion, and further folded such that each wing portion is overlapped on the second folded portion. Is done.

In the state where the first and second folded portions and the respective wing portions are folded as described above, the area where the pressure-sensitive adhesive is applied is disposed on the water-impermeable sheet of the base portion and the respective wing portions. Is arranged to face the inner surface of the storage bag. That is, as compared with the first and second prior arts described above, in which the first and second folded portions of the main body are folded over the upper portions of the respective wing portions, the adhesive of each wing portion is applied. It is configured so that the folded part of the main body does not overlap the area to be
There is no need to provide release paper for protecting the adhesive on each wing.

In the state where the first and second folded portions and the respective wing portions of the main body are folded and stored in the storage bag as described above, the absorber is provided on the inner surface of the storage bag with the base and the respective wing portions. Is sticky and fixed. That is, each wing is fixed to the storage bag so as not to undesirably unfold, the base of the main body is fixed to the inner surface of the storage bag, and the first and second folded portions are sandwiched between each wing and the base. Since the absorber is fixed in the state, there is no problem that the absorber collapses while being stored in the storage bag.

When the absorbent is taken out of the storage bag and put into a state in which the absorbent can be attached to the user's underwear, the storage bag is developed flat and the absorbent is peeled off from the flat developed storage bag. . This exposes the adhesive on the base of the absorber and on each wing and is ready for use. Therefore, in the configuration of the present invention, as compared with the configuration of the above-described third prior art, the absorbent body is provided with the outer wrapping sheet 15.
Since it is possible to eliminate the trouble of peeling off each wing portion from the main body after peeling off from the main body, it is possible to easily perform the work of exposing the adhesive and putting it into a usable state.

When the used absorber is discarded,
The used absorbent body is wrapped around using the storage bag developed in a flat shape, and is discarded. In the configuration of the present invention, since the release paper is not used, compared with the first and second prior arts described above, when the used absorber is wrapped and discarded, the release paper does not interfere. There is no problem that the sanitary absorbent which is discarded if it is not wrapped properly becomes difficult to see, and there is no need to use release paper with the absorbent in the storage bag. Resources can be promoted and economic efficiency can be improved.

According to the second aspect of the present invention, when the sheet is taken out from the bag-shaped outer wrapping sheet so as to be attachable to the user's underwear, the one-side and the other-side sheet folding portions are fixed. Is released, the heat-sealed one-side and other-side sheet folded portions and the sheet base are peeled off. This allows the first and second adhesive areas of the first and second folded portions of the absorber to be attached to the first and second adhesive sheets of the envelope sheet.
The adhesive on the adhesive applied area is transferred. By peeling the absorbent body from the outer wrapping sheet in this state, the adhesive on the third to fifth adhesive application areas of the outer wrapping sheet is transferred to the third to fifth adhesive areas of the base and each wing.
The transferred adhesive is exposed to the outside on the first to fifth adhesive areas, and thus can be attached more easily than the above-described third prior art sanitary absorber. State.

The absorbent taken out as described above uses the base of the main body, the first and second folded portions, and the respective wing portions by the adhesive on the first to fifth adhesive regions. It can be adhered to the underwear of a person, and the state attached to the underwear can be firmly maintained.

According to the third aspect of the present invention, the long envelope sheet can be stretched flat and applied to one pattern of the first to fifth pressure-sensitive adhesive application areas from one side outside. Therefore, the coating operation on the plurality of patterns can be performed continuously and easily at the predetermined interval.
Also, the first to fifth adhesive areas of the absorber are stuck and stored,
It is possible to efficiently manufacture a plurality of sanitary absorbent articles connected at the predetermined interval along the longitudinal direction of the outer wrapping sheet.

According to the fourth aspect of the present invention, a highly portable sanitary absorbent device in which a single absorbent is accommodated can be efficiently manufactured.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a sanitary absorbent device 31 according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a state in which the sanitary absorber 31 is expanded.

FIG. 3 is a flowchart showing a manufacturing procedure of the sanitary absorbent 31.

4 is a simplified perspective view shown for explaining a procedure of first to third steps a1 to a3 in the manufacturing procedure shown in FIG. 3;

FIG. 5 is a simplified perspective view showing a procedure of fourth to sixth steps a4 to a6 in the manufacturing procedure shown in FIG. 3;

FIG. 6 is a simplified perspective view showing a sanitary absorbent device 31 manufactured according to manufacturing procedures of first to sixth steps.

FIG. 7 is a perspective view seen from below in FIG. 6;

FIG. 8 is a perspective view for explaining an operation of peeling the absorber 33 from the storage bag 32.

FIG. 9 is a front view shown for explaining the operation of attaching the absorber 33 to the underwear 71.

FIG. 10 is a perspective view showing a sanitary absorbent device 80 according to another embodiment of the present invention.

FIG. 11 is a perspective view showing a state in which an absorber 81 is stored in a storage bag 32.

FIG. 12 is a perspective view for explaining a method of manufacturing a sanitary absorbent device 131 according to one embodiment of the present invention.

13 is a partially enlarged perspective view showing the vicinity of a reversing roller 205 in FIG. 12;

FIG. 14 is a perspective view showing the sanitary absorbent device 131 manufactured by the first to sixth steps shown in FIGS. 12 and 13.

FIG. 15 is a perspective view showing a state in which the sanitary absorber 131 is expanded.

FIG. 16 is a perspective view for explaining an example of an operation of removing the absorber 133 from the bag-shaped outer wrapping sheet 132a.

FIG. 17 is a perspective view showing an expanded state of the absorber 1 used in the prior art.

FIG. 18 is a perspective view showing a first conventional technique.

FIG. 19 is a perspective view showing a second conventional technique.

FIG. 20 is a perspective view showing a third conventional technique.

[Explanation of symbols]

 31, 80, 131 Sanitary absorber 32 Storage bag 33, 81, 133 Absorber 35, 135 Front sheet 36, 136 Back sheet 37, 137 Water absorbing layer 40, 140 Main body 41, 84, 141 Wing part 40a, 140 Base 40b , 140b First folded portion 40c, 140c Second folded portion 47 Base adhesive region 48 Wing adhesive region 49 Inner surface 79 Second folded adhesive region 132 Outer wrap sheet 241 to 245 First to fifth adhesive regions 222 to 226 First to first Fifth adhesive application area

Claims (4)

[Claims] 1. An absorber having a water-absorbing layer interposed between a water-permeable sheet and a water-impermeable sheet, having a main body, and a pair of wing portions projecting from both sides in the width direction of the main body to both sides in the width direction. A storage bag made of a water-impermeable material, in which the absorber is stored, wherein the absorber, when stored in the storage bag, has a smaller body than the base sandwiched between the wings of the body. The first folded portion on one end side in the longitudinal direction is folded so as to overlap the water-permeable sheet of the base, and the second folded portion on the other end side in the longitudinal direction with respect to the base is not in contact with the first folded portion. The surface is folded back so as to overlap on the water-permeable sheet, each wing portion is folded back so as to overlap on the water-impermeable sheet of the second folded portion, and the surface facing the inner surface of the base and the storage bag of each wing portion is:
A sanitary absorbent article which is releasably adhered to an inner surface of a storage bag by an adhesive. 2. An absorber having a water absorbing layer interposed between a water-permeable sheet and a water-impermeable sheet, and having a main body and a pair of wings projecting from both sides in the width direction of the main body to both sides in the width direction. After folding back so that the first folded portion on one end side in the longitudinal direction of the main body with respect to the base portion sandwiched between the wing portions overlaps the water-permeable sheet of the base portion, the other longitudinal end portion is larger than the base portion. A first step of folding so that the second folded portion on the side overlaps a region closer to the other longitudinal end of the main body than a predetermined first adhesive region of the water-impermeable sheet of the first folded portion; One surface of the one-side sheet folded portion at one longitudinal end of the outer wrapper sheet made of a water-impermeable material,
A first pressure-sensitive adhesive application area corresponding to the pressure-sensitive adhesive area, a second pressure-sensitive adhesive application area corresponding to a predetermined second pressure-sensitive adhesive area of the water-impermeable sheet at the second folded portion of the absorber, and first and second pressure-sensitive adhesive applications A third pressure-sensitive adhesive application area, which is arranged on the other end side in the longitudinal direction of the envelope sheet with respect to the area and corresponds to a predetermined third adhesive area of the water-impermeable sheet of one wing portion, and the longitudinal direction of the envelope sheet A fourth adhesive application area corresponding to a predetermined fourth adhesive area of the water-impermeable sheet of the other wing portion on one surface of the other sheet folded portion on the other end portion side, and one side and the other of the outer wrapping sheet Applying an adhesive to a fifth adhesive application area corresponding to a predetermined fifth adhesive area of the water-impermeable sheet at the base of the absorbent body, on one surface of the sheet base between the side sheet folded portions, 2
A step of: bonding the absorbent body having the first and second folded portions folded in the first step on one surface of the envelope sheet to which the adhesive has been applied in the second step; The region faces the third adhesive application region of the one-side sheet folded portion,
And the fourth adhesive region of the other wing portion is opposed to the fourth adhesive application region of the other-side sheet folded portion, and the fifth adhesive region of the base is opposed to the fifth adhesive application region of the sheet base. A third step of mounting and adhering, and the one side wing portion of the outer wrapping sheet having one wing portion adhered in the third step, wherein the one wing portion is the first and second folded portions. The first and second adhesive regions overlap the region outside in the width direction perpendicular to the longitudinal direction of the absorber, and the first and second adhesive application regions of the one-side sheet folded portion of the outer wrapper sheet have the absorption. After the first and second folded portions are folded back so as to face the first and second adhesive regions on the body and the first and second folded portions are adhered to the one-side sheet folded portion,
The other sheet wrapping part to which the other wing part of the absorber is adhered is overlapped on the one sheet folding part so as to overlap, and the one and the other sheet folding parts are fixed so as to be peelable. A fourth step of heat-sealing and sealing each open area outside the existing area in the width direction with respect to the existing area. 3. The physiology according to claim 2, wherein, in the second step, an adhesive is applied to the long outer envelope sheet at a predetermined interval with the first to fifth adhesive application areas as one pattern. Manufacturing method of absorbent material for medical use. 4. In a fourth step, both sides in the width direction of the long outer wrapping sheet are heat-sealed and sealed from the region where each absorber is present, and then each of the absorbers is sealed. 4. The method for manufacturing a sanitary absorbent device according to claim 3, wherein each of the heat-sealed regions is cut for each of the outer wrapping sheet portions.