JP5464822B2 - Absorbent articles - Google Patents

Description

  The present invention mainly relates to absorbent articles used for sanitary napkins, vaginal sheets, incontinence pads, toiletries, etc., and in particular, has a three-dimensional gather that fits along the curvature of the body and has an improved leakage prevention effect. The present invention relates to an absorbent article.

  Conventionally, as absorbent articles such as sanitary napkins, panty liners, incontinence pads, liquid-impervious backsheets such as polyethylene sheets or polyethylene laminate sheets nonwoven fabrics, and liquid-permeable top sheets such as nonwoven fabrics or liquid-permeable plastic sheets There is known an intervening absorber made of cotton-like pulp or the like.

  In this type of absorbent article, in order to fit along the curvature of the body and enhance the leakage prevention effect, a three-dimensional gather standing on the surface side in various forms along the longitudinal direction of the absorbent article is formed. . The three-dimensional gather is to prevent a body fluid from leaking in the width direction of the absorbent article by preventing a gap from being formed between the surface of the body and the absorbent article.

As the three-dimensional gather, for example, as shown in Patent Document 1 below, in the longitudinal direction of the absorbent article, an excretory part facing part which is a part disposed opposite to the excretory part of the wearer when worn, and excretion when wearing A central fixed part that stands up at the rear part that is arranged on the back side (back) of the wearer rather than the part facing part and that does not stand up between the excretory part facing part and the rear part There is known a leak-proof wall including Since the absorbent article described in Patent Document 1 has the central fixing portion, the elastic stress of the elastic member in the region of the excretory part is not transmitted to the region of the rear part, thereby preventing side leakage and leaking in the rear direction. The prevention is expressed without being influenced by each other.
Japanese Patent No. 3919638

  However, in the absorbent article described in Patent Document 1, the center fixing part formed between the excretory part facing part and the rear part is formed with a low three-dimensional gather, so that the center fixing is performed. The part does not fit along the curvature of the body, and there is a possibility that a fluid may leak due to a gap between the three-dimensional gather and the body.

  Further, in the absorbent article described in Patent Document 1, since the formation height of the three-dimensional gathers in the rear part is shorter than the formation height of the three-dimensional gathers in the excretory part facing part, the fit property of the napkin (especially the wearer's hips or (The fit to the hip-side portion) is good, the napkin and the body fit comfortably, and the sense of discomfort is reduced. However, even if the formation height of the three-dimensional gathers is varied, if the surface that contacts the skin of the three-dimensional gathers does not fit along the curvature of the body, a reliable leak prevention effect cannot be obtained.

  Then, the main subject of this invention is providing the absorbent article provided with the three-dimensional gather which implement | achieved reliable leak prevention by making it fit at the angle along the curve of the body over the longitudinal direction of an absorbent article. is there.

In order to solve the above-mentioned problem, as the present invention according to claim 1, an absorbent body is interposed between the liquid-permeable top sheet and the back sheet, and a pair of left and right three-dimensional gathers along the longitudinal direction on the use surface side. formed Rutotomoni, the standing gathers are each on one side, the absorbent article being formed by Ichijo,
The three-dimensional gather has a blood drainage port corresponding region including a blood drainage port portion, a buttock corresponding region including a buttock of the rear portion, and the blood drainage region corresponding region and the buttock relative to the longitudinal direction of the absorbent article. The blood drainage region corresponding region, the buttock corresponding region, and the intermediate region stand up together and abut on the skin of the blood drainage port corresponding region in the standing state. The angle of the surface is different from the angle of the surface that contacts the skin of the buttock corresponding region, and the angle of the surface that contacts the skin in the intermediate region is the surface of the surface that contacts the skin of the blood drainage port corresponding region There is provided an absorbent article characterized by continuously changing from an angle to an angle of a surface contacting the skin of the buttock corresponding region.

In the first aspect of the present invention, with respect to the longitudinal direction of the absorbent article, the blood discharge port corresponding region including the blood discharge port portion, the buttock corresponding region including the buttocks of the rear side portion, and the blood discharge portion The blood drainage region corresponding region is defined as an intermediate region located between the corresponding region and the buttock corresponding region, and the blood drainage region corresponding region, the buttock corresponding region and the intermediate region are all standing upright, and the blood drainage port corresponding region in the standing state. The angle of the surface in contact with the skin is different from the angle of the surface in contact with the skin in the buttocks corresponding region, and the angle of the surface in contact with the skin in the intermediate region is different from the skin in the blood drainage port corresponding region The angle is continuously changed from the angle of the surface in contact with the skin to the angle of the surface in contact with the skin of the buttock corresponding region .

  Therefore, if the surface that comes into contact with the skin of a three-dimensional gather, for example, a three-dimensional gather that is folded back in a Z shape, the angle of the uppermost folded surface is determined by the blood drainage port corresponding region and the buttock corresponding region. Since they are different from each other, the three-dimensional gather can be fitted to the skin at an angle along the curvature of the body corresponding to each region, and reliable leakage such as menstrual blood can be prevented.

  In addition, the intermediate region located between the blood drainage region corresponding region and the buttock corresponding region is also erected, and the angle of the surface in contact with the skin is continuously changed in this region. The body fluid can be reliably prevented from leaking in the width direction of the absorbent article.

  As the present invention according to claim 2, the surface that contacts the skin of the three-dimensional gather is in an upright state, and is formed at an angle that increases toward the center side of the absorbent article in the blood discharge port corresponding region, 2. The absorbent article according to claim 1, wherein the flange corresponding region is formed at an angle that increases toward a side of the absorbent article.

  The invention according to claim 2 specifically defines the angle in the standing state of the surface in contact with the skin of the three-dimensional gather in each region. That is, in the blood drainage port corresponding region, the skin is formed along the concave body part formed from the base of the leg to the crotch by forming at an angle that increases toward the center side of the absorbent article. It becomes possible to fit the contact surface, and conversely, in the buttock corresponding region, by forming at an angle that increases toward the side of the absorbent article, along the roundness of the convex ridge, It becomes possible to fit the skin contact surface. Thereby, reliable leakage prevention such as menstrual blood can be realized.

  As a third aspect of the present invention, the standing height in the blood drainage part corresponding region is relatively high, and the standing heights in the buttocks corresponding region and the intermediate region are set relatively low. An absorbent article as described in 1 above is provided.

  According to the third aspect of the present invention, by setting relatively high standing heights in the blood drainage part corresponding region and low standing heights in the buttocks corresponding region and the intermediate region, blood leakage with the most leakage Side leakage in the part corresponding area is surely prevented.

As the present invention according to claim 4, the three-dimensional gather is a first folded portion in which a sheet extending in a central direction from a lateral side of the absorbent article is folded to a lateral side at a central position in the folded state. And a second folded portion that is folded in the center side direction at a lateral side position continuously with the first folded portion, and is folded in three, in order from the lower layer side, the first folded surface, the second folded surface, and the third folded portion. Has a surface,
In the blood discharge port corresponding region, the first folded surface, the second folded surface and the third folded surface are not joined to each other,
The said 1st folding | turning surface and the 2nd folding | turning surface are not mutually joined in the said collar part corresponding | compatible area, The said 3rd folding | turning surface and the said 2nd folding | turning surface are mutually joined. An absorbent article as described in 1 above is provided.

  The invention according to claim 4 is the invention according to claims 1 to 3, wherein the angle of the surface in contact with the skin of the blood drainage port corresponding region and the angle of the surface in contact with the skin of the buttocks corresponding region are set. It defines specific means for making them different. By configuring the three-dimensional gather as described above, the angle of the surface in contact with the skin of each region is high toward the center side of the absorbent article in the blood drainage port corresponding region, and the side of the absorbent article in the buttock corresponding region It becomes higher toward the side.

  As this invention which concerns on Claim 5, while an elastic expansion-contraction member is each arrange | positioned along the longitudinal direction of the said absorbent article in the said 3rd folding | turning surface and a 2nd folding | turning part, The absorbent article according to claim 4, wherein the tension of the elastic elastic member disposed on the third folded surface is set larger than the tension of the elastic elastic member disposed.

  In the invention of claim 5 above, in order to reinforce the expansion and contraction force of the free end portion of the three-dimensional gather, while arranging the elastic expansion and contraction member on the third folded surface, An elastic elastic member is arranged at the second folded portion. At this time, by setting the tension of the elastic elastic member disposed on the third folded surface to be larger than the tension of the elastic elastic member disposed on the second folded part, the three-dimensional gathers It becomes easy to maintain the state standing up in the shape.

  As the present invention according to claim 6, there is provided an absorbent article according to any one of claims 4 and 5, wherein an elastic elastic member is disposed in the first folded portion along the longitudinal direction of the absorbent article. Is done.

  In the invention described in claim 6, by arranging the elastic stretchable member in the first folded portion, the absorber has a bending effect, and the entire absorbent article can be easily fitted to the body curve.

  As described above in detail, according to the present invention, it is possible to provide an absorbent article including a three-dimensional gather that realizes reliable leakage prevention by fitting at an angle along the body curve along the longitudinal direction of the absorbent article. .

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[Basic structure of sanitary napkin 1]
1 is a developed view of a sanitary napkin 1 according to the present invention, FIG. 2 is a view taken along the line II-II in FIG. 1, FIG. 3 is a view taken along the line III-III in FIG. IV-IV line arrow figure, FIG. 5 is the VV line arrow figure of FIG.

The sanitary napkin 1 includes a liquid-impervious back sheet 2 made of a polyethylene sheet, a liquid-permeable top sheet 3 that allows permeation of menstrual blood, cages, and the like, and an intervening sheet between the sheets 2 and 3. Absorbent body 4 made of cotton-like pulp or synthetic pulp, etc., crepe paper 5 surrounding the absorbent body 4 for maintaining the shape of the absorbent body 4 and improving diffusibility, and substantially side edges of the absorbent body 4 And a pair of left and right three-dimensional gathers BS, BS provided to project from the surface side in a predetermined section in the front-rear direction so as to include at least the blood drainage port H, and In the periphery of the absorbent body 4, the outer edge portions of the liquid-impermeable back sheet 2 and the liquid-permeable top sheet 3 are joined at the upper and lower edge portions thereof by an adhesive such as hot melt or an adhesive means such as heat seal. In addition, the liquid-impervious backsheet 2 extending laterally from the absorbent body 4 at both side edges and the three-dimensional gather forming nonwoven fabric 6 are bonded by an adhesive such as hot melt or a heat seal. Wing-like flaps W and W are formed by the laminated sheet portion formed by the liquid-impermeable back sheet 2 and the three-dimensional gather forming nonwoven fabric 6 and are formed on the side of the buttock. Second wing-shaped flaps W _B and W _B are formed in the position.

Hereinafter, the structure of the sanitary napkin 1 will be described in detail.
As the liquid-impervious backsheet 2, a sheet material having at least water shielding properties such as polyethylene is used, but in recent years, a material having moisture permeability tends to be used from the viewpoint of preventing stuffiness. The water- and moisture-permeable sheet material is a microporous material obtained by melting and kneading an inorganic filler in an olefin-based resin such as polyethylene or polypropylene to form a sheet, and then stretching in a uniaxial or biaxial direction. A sheet is preferably used. One or a plurality of adhesive layers (not shown) are formed on the non-use side (outer surface) of the liquid-impermeable back sheet 2 so as to fix the sanitary napkin 1 to the underwear when worn on the body. It has become. As the liquid-impermeable back sheet 2, a polylaminated nonwoven fabric in which a plastic film and a nonwoven fabric are laminated may be used.

  Next, the liquid-permeable top sheet 3 is preferably a porous or non-porous nonwoven fabric or a porous plastic sheet. As the material fibers constituting the nonwoven fabric, in addition to olefins such as polyethylene or polypropylene, polyesters, polyamides, and other synthetic fibers, regenerated fibers such as rayon and cupra, and natural fibers such as cotton can be used. A nonwoven fabric obtained by an appropriate processing method such as a method, a spun bond method, a thermal bond method, a melt blown method, or a needle punch method can be used. Among these processing methods, the spunlace method is excellent in terms of flexibility and drapeability, and the thermal bond method is excellent in terms of being bulky and soft. When a large number of through holes are formed in the liquid permeable top sheet 3, menstrual blood, venom, etc. (hereinafter collectively referred to as body fluid) are quickly absorbed, and the dry touch property is excellent. It will be a thing.

  The absorbent body 4 interposed between the liquid-impervious back sheet 2 and the liquid-permeable top sheet 3 is made of, for example, fluffy pulp and a water-absorbing polymer. The water-absorbing polymer is mixed in the pulp constituting the absorber, for example, as granular powder. Examples of the pulp include chemical fibers obtained from wood, cellulose fibers such as dissolved pulp, and artificial cellulose fibers such as rayon and acetate. Softwood pulp having a longer fiber length than hardwood pulp functions and It is preferably used in terms of price. When the crepe paper 5 surrounding the absorbent body 4 is provided as in this example, the crepe paper 5 is interposed between the liquid-permeable surface sheet 3 and the absorbent body 4 as a result. The crepe paper 5 which is excellent in diffusing body fluids quickly prevents reversal of menstrual blood and the like.

  On the surface of the sanitary napkin 1, a pressing groove 8 that is elongated in the longitudinal direction of the napkin 1 and closes in the circumferential direction is formed. In addition, a semicircular arc-shaped compressed groove 8b is formed on the front side of the front end portion 8a of the compressed groove 8 to be coupled to the front end portion, and a crescent-shaped storage pocket is formed by the front end compressed groove 8a. Has been. As a result, the front end portion of the napkin 1 is bent in the shape of a ship tip and brought into close contact with the skin, and even if the body fluid flows out to the front end portion side, it becomes a storage portion and prevents the body fluid from flowing out. On the other hand, a composite semicircular arc-shaped pressing groove 8c is independently formed at the rear end of the napkin 1, and even if the body fluid flows out to the rear side, it becomes a reservoir and prevents the body fluid from flowing out. Yes. The compressed grooves 8, 8a, 8b, 8c can be applied by any means such as embossing by heat and / or pressure, ultrasonic waves, or a combination thereof.

In the illustrated example, the width dimension of the liquid-permeable top sheet 3 is slightly longer than the width of the absorbent body 4 as shown in the cross-sectional views of FIGS. The three-dimensional gather BS is formed by the three-dimensional gather forming nonwoven fabric 6 different from the liquid-permeable top sheet 3, and the three-dimensional gather forming nonwoven fabric 6 extends to the outside of the three-dimensional gather BS, It is laminated on the surface side of the liquid-impermeable back sheet 2. This three-dimensional gather forming nonwoven fabric 6 uses a nonwoven fabric material that has been subjected to appropriate water-repellent treatment or hydrophilic treatment in accordance with the purpose of preventing menstrual blood, vaginal discharge, etc. from penetrating or enhancing the feeling of touch. Configured. The nonwoven fabric 6 may be made of natural fibers, synthetic fibers, regenerated fibers, or the like and formed by an appropriate processing method. Preferably, the nonwoven fabric 6 has a feeling of creaking and prevents stuffiness. In addition, it is preferable to use a non-woven fabric with reduced basis weight and air permeability. Specifically, it is desirable to use a nonwoven fabric prepared with a basis weight of 13 to 23 g / m ² , and silicon-based, paraffin-based, alkylchromic chloride-based water repellents, etc. to reliably prevent the passage of body fluids. A water repellent nonwoven fabric coated with is preferably used.

As shown in FIGS. 2 to 5, the non-woven fabric 6 for forming a three-dimensional gather is adhered to the outer edge of the liquid-impermeable back sheet 2 by an adhesive such as hot melt, and the three-dimensional gather formation is performed. The laminated sheet portion of the nonwoven fabric 6 and the liquid-impermeable back sheet 2 forms a pair of left and right wing-shaped flaps W and W at the side of the absorbent body substantially corresponding to the body fluid discharge part, and at the position of the buttock side from this the second wing-shaped flaps _W B, to form a _{W B.} These wing-shaped flaps W, W and second wing-shaped flaps W _B, W, respectively on the outer surface side adhesive layer 10 ... of _B, 11 ... comprises a, when worn against shorts, line folding the wing-shaped flaps W, W It is folded back to the opposite side at the RL position and wrapped around the crotch portion of the shorts to be fastened.

  The three-dimensional gather forming nonwoven fabric 6 for forming the three-dimensional gather BS is a double-folded sheet, and at a predetermined position inside the double sheet, an appropriate portion in the middle in the height direction at both ends or in the longitudinal direction is used. A plurality of thread-like elastic elastic members 21..., 22, 23 are arranged at fixed positions, and as shown in FIGS. 2 and 4, they stand up over a predetermined longitudinal range including the blood drainage port H. Thus, the pockets P, P with the opening facing inward are formed.

Hereinafter, the structure of this solid gather BS will be described in detail.
[Structure of solid gather BS]
Hereinafter, the structure of the three-dimensional gather BS will be described in detail.

  As shown in FIG. 1, the three-dimensional gather BS according to the present invention includes a blood drainage port corresponding region R1 that includes the blood drainage port H and is located on the front side of the napkin 1 with respect to the longitudinal direction of the napkin 1, and thereafter It is defined by a buttock-corresponding region R2 that is located on the side and includes the buttock, and an intermediate region R3 that is located between these blood drainage port-corresponding region R1 and buttock-corresponding region R2.

  Further, as shown in FIG. 6, the three-dimensional gather BS has a folded state with respect to the cross section of the napkin 1, and the sheet extending from the side of the napkin 1 toward the center side is at the center side position. The first folded portion 32 folded back to the side and the second folded portion 33 folded back to the center side direction at the lateral side position continuously from the first folded portion 32 are folded in three. The first folded surface 35, the second folded surface 36, and the third folded surface 37 are formed. Here, the said 3rd folding surface 37 comprises the skin contact surface 31 which is a surface contact | abutted to a wearer's skin.

  In the three-dimensional gather BS, the blood drainage area corresponding region R1, the buttocks corresponding area R2, and the intermediate area R3 stand up together, and the skin contact of the blood discharge mouth corresponding area R1 shown in FIG. The angle of the contact surface 31 is different from the angle of the skin contact surface 31 of the buttock corresponding region R2 shown in FIG. That is, the skin contact surface 31 is formed at an inclination angle that increases toward the center side of the napkin 1 as shown in FIG. 2 in the blood drainage port corresponding region R1, and 3, the napkin 1 is formed at an inclination angle that increases toward the side of the napkin 1.

  In the intermediate region R3 defined between the blood drainage port corresponding region R1 and the buttock corresponding region R2, the angle of the skin contact surface 31 continuously changes as shown in FIG. Further, in the front region from the blood discharge port corresponding region R1 and the rear region from the buttocks corresponding region R2, as shown in FIG. 5, the first folded surface 35, the second folded surface 36, and the third folded surface 37 are: They are joined together in the folded state so that they do not stand up.

  In order for the skin contact surfaces 31 of the regions R1, R2, and R3 to be in the above-described standing state, as shown in FIG. 7, the folded surfaces are bonded to each other in a predetermined bonding region, such as hot melt. Bonding is performed by adhesive means such as an agent or heat seal. 7A shows a joining region X for joining the second folding surface 36 and the third folding surface 37, and FIG. 7B shows the first folding surface 35 and the second folding surface 36. Each of the joining regions Y to be joined is illustrated.

  Specifically, as shown in FIG. 7A, the joining region X includes a range from the front end of the napkin 1 to the front side of the blood discharge port corresponding region R1, and the rear side of the napkin 1. The range is from the end portion to the intermediate portion of the intermediate region R3. In addition, as shown in FIG. 7B, the joining region Y corresponds to the range from the front end of the napkin 1 to the front side of the blood discharge port corresponding region R1, and the rear end of the napkin 1 to the buttock. The range extends to the rear side of the region R2.

  That is, as shown in FIG. 2, the first folding surface 35, the second folding surface 36, and the third folding surface 37 are not joined to each other in the blood drainage port corresponding region R <b> 1. 3, the first folded surface 35 and the second folded surface 36 are not joined to each other, and the third folded surface 37 and the second folded surface 36 are joined to each other.

  Further, in order to bring the three-dimensional gather BS into an upright state, an elastic elastic member is disposed in a predetermined position along the longitudinal direction of the napkin 1 in an extended state. Specifically, as shown in FIGS. 2 to 4, elastic elastic members 21, 21 are disposed at the front end side of the third folding surface 37 and the middle portion, respectively, and the second folding portion 33. One elastic stretchable member 22 is disposed on the surface. The elastic elastic members 21 and 21 disposed on the third folded surface 37 are for strengthening the elastic force of the free end of the three-dimensional gather BS, and the elastic elastic members disposed on the second folded portion 33. 22 is for making it easy for the three-dimensional gather BS to stand up in a dogleg shape.

  At this time, the tension of the elastic elastic members 21 and 21 arranged on the third folding surface 37 is set to be larger than the tension of the elastic elastic member 22 arranged on the second folding part 33. It is preferable. If it does in this way, it will become easy to maintain the state where solid gather BS stood up in the shape of the shape of a circle in blood drainage mouth corresponding field R1.

  Moreover, as shown in FIGS. 2 to 4, it is preferable to dispose the elastic stretchable member 23 in the first folded portion 32 along the longitudinal direction of the napkin 1. If it does in this way, the curving effect with respect to the absorber 4 will come to be demonstrated, and it will become easy to fit the whole napkin 1 along the curvature of a body.

  When using the napkin 1 having the three-dimensional gather BS configured as described above, the skin contact surface 31 is the center of the napkin 1 in the blood drainage port corresponding region R1, as shown in FIG. Since it forms at the angle which becomes high toward the side, it becomes easy to fit the skin contact surface 31 along the recessed part of the base part of a leg. Further, in the buttocks corresponding region R2, as shown in FIG. 4B, the skin contact surface 31 is formed at an angle that increases toward the side of the napkin 1, and therefore the skin contact surface 31 is It becomes easy to fit along the roundness of the convex buttocks, and the feeling of strangeness can be reduced.

[Other examples]
(1) In the above embodiment, the three-dimensional gather BS is formed by the three-dimensional gather forming nonwoven fabric 6 different from the liquid-permeable top sheet 3, and the three-dimensional gather forming non-woven fabric 6 extends to the outside of the three-dimensional gather BS. The three-dimensional gather BS is formed of the three-dimensional gather forming nonwoven fabric 6 as shown in FIG. 9, and is formed to be laminated on the surface side of the liquid-impermeable back sheet 2. It is good also as a structure which laminated | stacked the side nonwoven fabric 7 on the surface side of the said liquid-impermeable back sheet 2 on the outer side.

It is an expanded view of the sanitary napkin 1 of this invention. It is the cross-sectional view (II-II line arrow view of FIG. 1). It is the cross-sectional view (III-III arrow directional view of FIG. 1). It is the cross-sectional view (IV-IV arrow directional view of FIG. 1). It is the cross-sectional view (VV arrow directional view of FIG. 1). It is a principal part expanded sectional view which shows the folding state of solid gather BS. (A) is a joining region X between the first folding surface 35 and the second folding surface 36, and (B) is a joining region Y between the second folding surface 36 and the third folding surface 37. The wearing state of the sanitary napkin 1 is shown, (A) is a transverse cross-sectional view of the blood drainage port corresponding region R1, and (B) is a cross sectional view of the buttocks corresponding region R2. It is a principal part expanded horizontal sectional view which shows the other example of a solid gather BS.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Sanitary napkin, 2 ... Impervious back sheet, 3 ... Liquid permeable top sheet, 4 ... Absorber, 5 ... Crepe paper, 6 ... Non-woven fabric for three-dimensional gather formation, 8.8a-8c ... Squeeze groove, 31 ... Skin contact surface portion, 32 ... First turn-up portion, 33 ... Second turn-up portion, 35 ... First turn-up surface, 36 ... Second turn-up surface, 37 ... Third turn-up surface, BS ... Solid gather, R1 ... Exhaust Chiguchi end corresponding region, R2 ... hip corresponding regions, R3 ... intermediate region, W ... wing-shaped flaps, W B _... buttocks side wing-shaped flaps

Claims (6)

Absorber between the liquid-permeable topsheet and the backsheet is interposed, forming a pair of right and left three-dimensional gathers along the longitudinal direction are formed on the used side Rutotomoni, the standing gathers on one side respectively, by Article In the absorbent article that has been
The three-dimensional gather has a blood drainage port corresponding region including a blood drainage port portion, a buttock corresponding region including a buttock of the rear portion, and the blood drainage region corresponding region and the buttock relative to the longitudinal direction of the absorbent article. The blood drainage region corresponding region, the buttock corresponding region, and the intermediate region stand up together and abut on the skin of the blood drainage port corresponding region in the standing state. The angle of the surface is different from the angle of the surface that contacts the skin of the buttock corresponding region, and the angle of the surface that contacts the skin in the intermediate region is the surface of the surface that contacts the skin of the blood drainage port corresponding region An absorbent article characterized by continuously changing from an angle to an angle of a surface in contact with the skin of the heel corresponding region.   The surface that comes into contact with the skin of the three-dimensional gather is in an upright state, and is formed at an inclination angle that increases toward the center side of the absorbent article in the blood drainage port corresponding region, and in the collar corresponding region, the absorption The absorbent article according to claim 1, wherein the absorbent article is formed at an inclination angle that increases toward a side of the absorbent article.   The absorbent article according to any one of claims 1 and 2, wherein the standing height in the blood drainage area corresponding region is relatively high, and the standing height in the buttocks corresponding area and the intermediate area is set low. The three-dimensional gather is in a folded state, and a sheet that extends from the side of the absorbent article toward the center side is folded back to the side at the center position, and the first folded part is continuous with the first folded part. Then, it is folded in three by the second folded portion folded back in the center side direction at the side position, and has a first folded surface, a second folded surface, and a third folded surface in order from the lower layer side,
In the blood discharge port corresponding region, the first folded surface, the second folded surface and the third folded surface are not joined to each other,
The said 1st folding | turning surface and the 2nd folding | turning surface are not mutually joined in the said collar part corresponding | compatible area, The said 3rd folding | turning surface and the said 2nd folding | turning surface are mutually joined. Absorbent article as described in 1.   The third folded surface and the second folded part are each provided with an elastic elastic member along the longitudinal direction of the absorbent article, and the tension of the elastic elastic member provided on the second folded part. The absorbent article according to claim 4, wherein the tension of the elastic elastic member disposed on the third folded surface is set larger.   The absorbent article according to any one of claims 4 and 5, wherein an elastic elastic member is disposed in the first folded portion along the longitudinal direction of the absorbent article.

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