JP2012075568A - Absorptive article - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce a physiological pain by inhibiting reduction in area of the skin contact surface side where a heating element generates heat, and warming the uterus of a wearer efficiently.SOLUTION: This absorptive article 1 includes a liquid permeable surface sheet 11, a liquid impermeable back sheet 12 and an absorber 2 disposed between the surface sheet 11 and the back sheet 12, wherein heating elements 3A, 3B are disposed between the surface sheet 11 and the back sheet 12, and the heating elements 3A, 3B have heating materials 50A, 50B and storing members 60A, 60B for storing the heating materials 50A, 50B. The storing members 50A, 50B store the heating materials 50A, 50B in a plurality of separated section regions 70A, 70B.

Description

  The present invention relates to an absorbent article.

  Patent Document 1 discloses an absorbent article having a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body disposed between the top sheet and the back sheet. An absorbent article is disclosed in which a heating element layer is provided between the sheet and the back sheet.

  In such an absorbent article, generally, the heating element layer is configured to generate heat using a composite powder containing iron powder, activated carbon, sodium chloride, and the like.

CN101273938A

  However, the applicant has found that the above-described absorbent article has the following problems. Specifically, in the above-described absorbent article, the heating material of the heating element layer is unevenly distributed in a specific direction (for example, downward) due to vibration caused by the movement of the wearer. As a result, the area on the skin contact surface side where the heat generating element generates heat is reduced, and there is a problem that the wearer's uterus cannot be efficiently heated.

  Therefore, the present invention has been made in view of the above-described problems, and suppresses the reduction of the area on the skin contact surface side where the heating element generates heat, and efficiently warms the wearer's uterus. It aims at providing the absorbent article which can reduce pain.

  The first feature of the present invention is an absorbent article, which is a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body disposed between the top sheet and the back sheet. The heating article is disposed between the top sheet and the back sheet, and the heating element includes a heating material and a storage member that stores the heating material. The storage member stores the heat generating material in a plurality of divided areas.

  As described above, according to the present invention, it is possible to suppress the reduction of the area on the skin contact surface side where the heating element generates heat, and efficiently warm the wearer's uterus to reduce menstrual pain. The absorbent article which can be provided can be provided.

FIG. 1 is a plan view seen from the skin contact surface side of the absorbent article according to the first embodiment of the present invention. FIG. 2 is a cross-sectional view taken along the line aa of the absorbent article according to the first embodiment of the present invention as seen from the skin contact surface side. (A) FIG. 3A is a view for explaining a heating element of the absorbent article according to the first embodiment of the present invention. (B) FIG.3 (b) is a figure for demonstrating the storage member and heat generating material of the heat generating body which concern on the 1st Embodiment of this invention. FIG. 4 is a view for explaining another example of the storage member in the heating element according to the first embodiment of the present invention. Drawing 5 is a figure for explaining the state where the absorptive article concerning a 1st embodiment of the present invention was worn on underwear. Drawing 6 is a figure for explaining the state where the absorptive article concerning a 1st embodiment of the present invention was worn on underwear.

(First embodiment of the present invention)
With reference to FIG. 1 thru | or FIG. 3, the absorbent article 1 which concerns on the 1st Embodiment of this invention is demonstrated. For example, the absorbent article 1 according to the present embodiment is a panty liner, an incontinence pad, a sanitary napkin, or the like.

  The top view seen from the skin contact surface side of the absorbent article which concerns on FIG. 1 at the 1st Embodiment of this invention is shown, and the skin of the absorbent article which concerns on the 1st Embodiment of this invention in FIG. The aa sectional view in the top view seen from the contact surface side is shown.

  As shown in FIG. 2, the absorbent article 1 according to this embodiment is disposed between a liquid-permeable top sheet 11, a liquid-impermeable back sheet 12, and the top sheet 11 and the back sheet 12. The absorber 2 is provided.

  In the absorbent article 1 according to this embodiment, a second sheet may be disposed between the top sheet 11 and the absorbent body 2.

  The absorbent body 2 is constituted by pulverized pulp and a superabsorbent polymer and a core wrap that wraps both. Here, the superabsorbent polymer is a granular polymer of a cross-linked sodium polyacrylate, or a granular polymer obtained by partially neutralizing polyacrylic acid with sodium.

  A core wrap is a sheet of any material that absorbs liquid. For example, a tissue may be used as the core wrap, or an air laid sheet in which hydrophilic fibers or pulverized pulp is formed into a sheet shape by the air laid method may be used.

  Moreover, as shown in FIG. 1, the absorbent article 1 according to the present embodiment may be provided with a plurality of compressed grooves 21, 22, and 23. Here, the pressing grooves 21, 22, and 23 are configured to squeeze from the top sheet 11 to the absorber 2.

  Moreover, the absorbent article 1 which concerns on this embodiment has a pair of wing part 41 currently formed so that it may extend to the both outer sides of the width direction W of the absorbent article 1, as shown in FIG. It may be. Furthermore, the absorbent article 1 according to the present embodiment may have a pair of hip flap parts 42 behind the wing part 41 in the longitudinal direction L of the absorbent article 1.

  Here, in the wing part 41 and the hip flap part 42, an adhesive for fixing the absorbent article 1 to the underwear is applied to the clothes contact surface side of the back sheet 12.

  Moreover, in the absorbent article 1 which concerns on this embodiment, as shown in FIG.1 and FIG.2, it absorbs more than the area | region where the absorber 2 is provided between the surface sheet 11 and the back surface sheet 12. As shown in FIG. Heating elements 3A and 3B are arranged outside the longitudinal direction L of the article 1.

  Further, the heating elements 3A and 3B according to the present embodiment include heating materials 50A and 50B and storage members 60A and 60B for storing the heating materials 50A and 50B, as shown in FIGS.

  Here, FIG. 3A shows an enlarged view of the heating element 3A. Since the heating elements 3A and 3B are the same, the structure of the heating element 3A will be described below. Similarly, regarding the heat generating members 50A and 50B and the storage members 60A and 60B, the structures of the heat generating member 50A and the storage member 60A will be described.

  Examples of the heat generating material 50A include those used in known disposable warmers, and a composite powder containing iron powder, activated carbon, sodium chloride, and the like can be used. As the sheet for wrapping the composite powder, a sheet having air permeability and preventing leakage of the powder is preferable. For example, a moisture permeable film, a melt blown nonwoven fabric, or the like is preferably used.

  FIG. 3B shows the state of the heating material 50A stored in the storage member 60A. As shown in FIG. 3B, the storage member 60A according to the present embodiment stores the heat generating material 50A in a plurality of divided regions 70A.

  60 A of storage members can use a nonwoven fabric as a raw material. The material of the storage member 60A is not limited to this, and any material may be used as long as it has an appropriate thickness and strength as the absorbent article 1 and can prevent the heat generating material 50A from moving. Good.

  The section area 70A is a hole area formed in the storage member 60A by punching or the like. That is, the storage member 60 </ b> A is formed with a plurality of partitioned regions 70 </ b> A by forming holes at predetermined intervals in the longitudinal direction L and the width direction W of the absorbent article 1. In addition, 70 A of division area | regions may be the dent etc. which were formed without penetrating.

  Further, the storage member 60A for storing the heat generating material 50A may be configured by a sheet member 80 that wraps the heat generating material 50A. Here, FIG. 4 shows an example in which a sheet member 80 is used as the storage member 60A.

  As shown in FIG. 4, the sheet member 80 is formed with a section 90 in which the front surface and the back surface of the sheet member 80 are in close contact with each other. The division part 90 is formed in the longitudinal direction L or the width direction W of the absorbent article 1 at predetermined intervals. In addition, the division part 90 may be formed by pressing, and may be formed by heat welding. That is, by forming the dividing portions 90 at a predetermined interval with respect to the sheet member 80, the sheet member 80 is formed with a plurality of divided regions 70A which are divided into bag shapes. In addition, the sheet | seat member 80 can use the sheet | seat which wraps the composite powder which is 50A of heat generating materials.

  As described above, the storage member 60A may be configured to store the heat generating material 50A in the partitioned region 70A formed by the partitioning portion 90 using the sheet member 80 as the storage member 60A.

  In the absorbent article 1 according to the present embodiment, the heating elements 3A and 3B are arranged on the front side and the rear side in the longitudinal direction L of the absorbent article 1 relative to the region where the absorbent body 2 is provided. The heating element 3A may be arranged only on the front side in the longitudinal direction L of the absorbent article 1 relative to the region where the absorber 2 is provided.

  Further, the periphery of the absorbent article 1 is joined with an adhesive or a seal to form a seal portion 24, and the heating elements 3A and 3B and the absorbent body 2 are also joined with an adhesive or a seal, Seal portions 25A and 25B are formed. The seal portions 25A and 25B can prevent the steam generated from the excrement and moisture absorbed by the absorber 2 from being directly warmed by the heating elements 3A and 3B.

  Further, in the region where the heating elements 3A and 3B are provided, an adhesive for fixing the absorbent article 1 to the undergarment may be applied to the clothing contact surface side of the back sheet 12.

  5 and 6 show a state where the absorbent article 1 according to the present embodiment is worn on the underwear 100. FIG.

  When the wearer wears the absorbent article 1 on the underwear 100, the wing part 41 is wound around the crotch of the underwear, the hip flap part 42 is spread on the underwear 100, and the absorbent article 1 is fixed to the underwear 100. .

  As shown in FIG. 5, the heating elements 3 </ b> A and 3 </ b> B may be configured to be fixed to the inner surface of the underwear 100 in a state where the absorbent article 1 according to this embodiment is worn on the underwear 100. .

  Moreover, as shown in FIG. 6, the heating elements 3 </ b> A and 3 </ b> B are configured to be fixed to the outer surface of the underwear 100 in a state where the absorbent article 1 according to this embodiment is worn on the underwear 100. Also good.

  According to the absorbent article 1 according to the present embodiment, since the heat generating material 50A is stored in the plurality of divided regions 70A of the storage member 60A, the movement of the heat generating material 50A is suppressed. That is, the uneven distribution of the heat generating material 50A can be suppressed.

  Thus, according to the absorbent article 1 which concerns on this embodiment, it suppresses that the area by the side of the skin contact surface which the heat generating body 3A heat | fever-generates by the uneven distribution of 50 A of heat generating materials suppresses efficiently. The wearer's uterus can be warmed to reduce menstrual pain.

  Moreover, according to the absorbent article 1 which concerns on this embodiment, since the storage member 60A suppresses uneven distribution of 50 A of heat generating materials, it suppresses that a part of absorbent article 1 protrudes by uneven distribution of 50 A of heat generating materials. It is possible to prevent the wearer from feeling uncomfortable.

  According to the absorbent article 1 according to the present embodiment, since the heating elements 3A and 3B are not arranged in the region where the absorber 2 is provided, the absorber that has absorbed the body fluid is warmed. It is possible to warm the wearer's uterus and reduce menstrual pain without causing stuffiness on the skin of the wearer and the surface of the top sheet 11 due to the above.

  Moreover, according to the absorbent article 1 which concerns on this embodiment, since heat generating body 3A, 3B is united with the absorbent article 1, when a wearer becomes 3 A, 3B heating element 3A, 3B has become no longer warm. It can be noticed that it is time to replace the absorbent article 1.

  Although the present invention has been described in detail using the above-described embodiments, it is obvious to those skilled in the art that the present invention is not limited to the embodiments described in this specification. The present invention can be implemented as modified and changed modes without departing from the spirit and scope of the present invention defined by the description of the scope of claims. Therefore, the description of the present specification is for illustrative purposes and does not have any limiting meaning to the present invention.

DESCRIPTION OF SYMBOLS 1 ... Absorbent article 2 ... Absorber 3A, 3B ... Heat generating body 11 ... Top sheet 12 ... Back sheet 21, 22, 23 ... Squeeze groove 41 ... Wing part 42 ... Hip flap part 50A, 50B ... Heat generating material 60A, 60B ... Storage member 70A, 70B ... division area 80 ... sheet member

Claims (3)

An absorbent article having a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body disposed between the top sheet and the back sheet,
A heating element is disposed between the top sheet and the back sheet,
The heating element includes a heating material and a storage member that stores the heating material,
The absorbent article is characterized in that the heat generating material is stored in a plurality of divided areas.   The heating element is disposed between the top sheet and the back sheet and outside the region in which the absorbent article is provided in the longitudinal direction of the absorbent article. Item 10. An absorbent article according to Item 1.   The absorption according to claim 2, wherein a seal portion is formed between the absorber and the heating element to join the liquid-permeable top sheet and the liquid-impermeable back sheet. Sex goods.

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