JP2012075654A - Absorptive article - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce a period pain by warming the uterus of a wearer without causing the steaming on wearer's skin and the surface of a surface sheet.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 also on the outside of a region provided with the absorber 1 in the longitudinal direction L of the absorptive article 1. Stretch parts 5A, 5B having stretchability are formed between a part where the heating elements 3A, 3B are disposed and a region provided with the absorber 2.

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.

CN101273938A

  However, the applicant has a problem that in the above-described absorbent article, the heating element layer heats the absorbent body that has absorbed the body fluid, and the skin of the wearer and the surface of the topsheet become stuffy. I found

  Then, this invention is made | formed in view of the above-mentioned subject, and it can warm a wearer's uterus and reduce menstrual pain, without generating the stuffiness in a wearer's skin and the surface of a surface sheet. An object is to provide an absorbent article.

  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. A heating element is disposed between the top sheet and the back sheet, and outside the longitudinal direction of the absorbent article between the top sheet and the back sheet. The present invention is summarized in that a stretchable portion having stretchability is formed between a portion where the heating element is disposed and a region where the absorber is provided.

  As described above, according to the present invention, there is provided an absorbent article capable of warming the wearer's uterus and reducing menstrual pain without causing stuffiness on the wearer's skin and the surface of the topsheet. be able to.

It is the top view seen from the skin contact surface side of the absorptive article concerning a 1st embodiment of the present invention. It is aa sectional drawing in the top view seen from the skin contact surface side of the absorptive article concerning a 1st embodiment of the present invention. It is a figure for demonstrating a mode that expansion-contraction part 5A of the absorbent article which concerns on the 1st Embodiment of this invention expands and contracts. It is a figure for explaining the state where the absorptive article concerning a 1st embodiment of the present invention was worn on underwear. It 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 cross-linked 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.

  Examples of the heating elements 3A and 3B include those used in known disposable warmers, and those made of iron powder, activated carbon, and sodium chloride 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.

  In the absorbent article 1, stretchable portions 5 </ b> A and 5 </ b> B having stretchability are formed between portions where the heat generating members 3 </ b> A and 3 </ b> B are arranged (referred to as heat generating portions 31 </ b> A and 31 </ b> B) and regions where the absorbent body is provided. Has been. In the present embodiment, the stretchable parts 5A and 5B are stretchable sheets having stretchability. Examples of the stretch sheet include a stretch sheet obtained by roll-stretching a nonwoven fabric formed from a plurality of types of fibers such as thermoplastic elastomer fibers and thermoplastic polyolefin fibers. As the stretchable parts 5A and 5B, any material having stretchability is applicable. For example, it may be formed from rubber, flexible polymer resin, or the like.

  A two-dot chain line shown in FIG. 3 shows a state before the expansion / contraction part 5A is extended. In the absorbent article 1 according to the present embodiment, the distance between the heat generating portion 31A and the region where the absorber 2 is provided can be adaptively changed by the expansion / contraction portion 5A expanding and contracting.

  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. Alternatively, 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 1 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 25A1, 25A2, 25B1, and 25B2 are formed. By the seal portions 25A1, 25A2, 25B1, and 25B2, it is possible to prevent the steam generated from the excrement and moisture absorbed by the absorber 2 from being directly heated 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.

  4 and 5 show a state in which the absorbent article 1 according to this 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. 4, 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. .

  Further, as shown in FIG. 5, 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 heating element 3A, 3B is configured not to be disposed in the region where the absorber 1 is provided, the absorber that has absorbed 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.

  When the total length of the absorbent article (that is, the length in the front-rear direction of the wearer) is long, the wearing feeling of the wearer is deteriorated. However, in the absorbent article 1 according to the present embodiment, the heat generating portions 31A and 31B and the absorbent body Since the stretchable parts 5A and 5B are formed between the region 2 and the region 2 is provided, the absorbent article 1 can easily move in the stretchable parts 5A and 5B, thereby preventing the wearer's wearing feeling from deteriorating. Can do.

  Moreover, in the absorbent article 1 which concerns on this embodiment, since the expansion-contraction parts 5A and 5B are formed between the heat generating parts 31A and 31B and the area | region in which the absorber is provided, for example, as shown in FIG. In the type that is worn in the state, the wearer can freely set the position to be warmed by the heat generating portions 31A and 31B even after the wearer is attached to the underwear so that the region where the absorber 2 is disposed is in an appropriate position. It becomes adjustable.

  Further, for example, in the type worn in the state shown in FIG. 5, the wearer can wear the underwear so that the region where the absorbent body 2 is disposed is in an appropriate position, and match the shape of the body and the underwear. Thus, the position to be warmed can be freely adjusted by the heat generating portions 31A and 31B.

  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 5A, 5B ... Expansion / contraction part 11 ... Surface sheet 12 ... Back sheet 21, 22, 23 ... Squeeze groove 41 ... Wing part 42 ... Hip flap part

Claims (2)

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,
Between the top sheet and the back sheet, and outside the longitudinal direction of the absorbent article than the region where the absorber is provided, a heating element is disposed,
An absorbent article characterized in that a stretchable portion having stretchability is formed between a portion where the heating element is disposed and a region where the absorber is provided.   The absorption according to claim 1, 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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