TWI737731B - Absorbent articles - Google Patents

Absorbent articles Download PDF

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TWI737731B
TWI737731B TW106116409A TW106116409A TWI737731B TW I737731 B TWI737731 B TW I737731B TW 106116409 A TW106116409 A TW 106116409A TW 106116409 A TW106116409 A TW 106116409A TW I737731 B TWI737731 B TW I737731B
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region
absorbent core
absorbent article
absorbent
basis weight
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TW106116409A
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Chinese (zh)
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TW201801698A (en
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林由佳
廣瀬祐一
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日商花王股份有限公司
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/472—Sanitary towels, incontinence pads or napkins specially adapted for female use
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/476—Sanitary towels, incontinence pads or napkins characterised by encircling the crotch region of the undergarment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/531—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad
    • A61F13/532—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/531—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad
    • A61F13/532—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
    • A61F13/533—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad having discontinuous areas of compression

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

吸收性物品(1)包括吸收性芯(41)。吸收性芯(41)於排泄相對區域(B)具有中高部(42)。中高部(42)之厚度較吸收性芯(41)之第一區域(41F)和第二區域(41R)之厚度厚。俯視時，中高部(42)具有與吸收性芯(41)之縱向(X)正交之橫向(Y)上之長度為最大之最大寬度部，該最大寬度部之橫向(Y)之長度與吸收性芯(41)之中間區域(41M)於橫向Y之最大長度相同。The absorbent article (1) includes an absorbent core (41). The absorptive core (41) has a middle-high part (42) in the excretion-opposite area (B). The thickness of the middle-high part (42) is thicker than the thickness of the first region (41F) and the second region (41R) of the absorbent core (41). When viewed from above, the middle-high portion (42) has the largest and largest width portion in the transverse direction (Y) orthogonal to the longitudinal direction (X) of the absorbent core (41), and the transverse (Y) length of the largest width portion is equal to The maximum length of the middle region (41M) of the absorbent core (41) in the transverse direction Y is the same.

Description

吸收性物品Absorbent articles

本發明係關於經期衛生棉、失禁墊等吸收性物品。The present invention relates to absorbent articles such as menstrual sanitary napkins and incontinence pads.

目前，於經期衛生棉等吸收性物品中，於排泄液量多之情形等時，日常之生活行動之中有時亦會導致漏液。因此，本申請人提出了一種防止漏液之方法，其係藉由於吸收性物品之吸收性芯中，於與穿戴者之液體排泄部相對配置之排泄相對區域設置基重大之中高部分，另外，於中高部分設置基重低之橫槽，使液體擴散而不使其滯留於排泄點，由此防止漏液(例如，專利文獻1～專利文獻2)。 例如，於專利文獻1中提出了於向穿戴者之肌膚側之面設置具有向肌膚側隆起之中高部之表面結構體，遍及中高部之全周設置凹部之技術。根據專利文獻1記載之吸收性物品，合身性和吸收性優異且能夠防止漏液。 另外，於專利文獻2中提出了一種吸收性物品，其包括吸收性芯，該吸收性芯具有多個藉由一體成形形成有中高區域和槽部且被該槽部劃分為塊狀之吸收部。根據專利文獻2記載之吸收性物品，由吸收性芯之彎折引起之不適感少，另外，還不易產生吸收之液體之返液，能夠防止漏液。 現有技術文獻 專利文獻 專利文獻1：日本特開平11-33054號公報 專利文獻2：日本特開2014-104093號公報At present, in menstrual sanitary napkins and other absorbent articles, when the amount of excreted fluid is large, etc., fluid leakage may sometimes occur in daily life activities. Therefore, the applicant has proposed a method for preventing liquid leakage, which is based on the fact that the absorbent core of the absorbent article is provided with the medium and high part of the basis weight in the excretion relative area arranged opposite to the liquid excretion part of the wearer. In addition, A horizontal groove with a low basis weight is provided in the middle and high part to diffuse the liquid without stagnating it at the excretion point, thereby preventing liquid leakage (for example, Patent Document 1 to Patent Document 2). For example, Patent Document 1 proposes a technique in which a surface structure having a mid-high part swelling toward the skin side is provided on a surface facing the wearer's skin side, and a recessed part is provided over the entire circumference of the mid-high part. According to the absorbent article described in Patent Document 1, it is excellent in fit and absorbency and can prevent liquid leakage. In addition, Patent Document 2 proposes an absorbent article that includes an absorbent core having a plurality of absorbent parts formed by integral molding with middle and high regions and grooves and divided into blocks by the grooves . According to the absorbent article described in Patent Document 2, there is little discomfort caused by the bending of the absorbent core, and it is also less likely to cause liquid return of the absorbed liquid, and liquid leakage can be prevented. Prior Art Documents Patent Documents Patent Document 1: Japanese Patent Application Publication No. 11-33054 Patent Document 2: Japanese Patent Application Publication No. 2014-104093

本發明係關於包括與穿戴者之前後方向對應之縱向較長之形狀之吸收性芯、且具有前方區域和後方區域之吸收性物品。上述吸收性芯於位於上述前方側之第一區域與位於上述後方側之第二區域之間具有中間區域，於該中間區域具有厚度較該第一區域和該第二區域之厚度厚之中高部。俯視上述吸收性芯時，上述中高部具有與該吸收性芯之上述縱向正交之橫向上之長度為最大之最大寬度部，該最大寬度部之橫向之長度與上述吸收性芯之橫向之長度相同。The present invention relates to an absorbent article including an absorbent core having a longitudinally long shape corresponding to the front and back directions of the wearer, and having a front area and a back area. The absorptive core has an intermediate area between the first area located on the front side and the second area located on the rear side, and the intermediate area has a thicker middle and high portion than the thicknesses of the first area and the second area . When the absorbent core is viewed from above, the mid-high portion has a maximum width portion in which the length in the transverse direction orthogonal to the longitudinal direction of the absorbent core is the largest, the transverse length of the largest width portion and the transverse length of the absorbent core same.

無論於專利文獻1記載之吸收性物品，還是於專利文獻2記載之吸收性物品，只要於穿戴時未能將吸收性物品穿於身體適當之位置，則有時會於身體之前後方向或左右之寬度方向產生穿戴位置偏移，有時無法充分得到專利文獻1記載之吸收性物品和專利文獻2記載之吸收性物品之效果。這樣，專利文獻1記載之吸收性物品和專利文獻2記載之吸收性物品存在進一步改良之餘地。 因此，本發明之課題在於，提供能夠解決上述現有技術具有之缺點之吸收性物品。 以下，對於本發明之吸收性物品，基於作為其較佳之一個實施方式之經期衛生棉1(以下亦稱為「衛生棉1」)參照附圖進行說明。圖1表示自肌膚側片側觀察本實施方式之衛生棉1之俯視圖。如圖1所示，本實施方式之衛生棉1包括縱向X較長之形狀之吸收性芯41，具有前方區域A和後方區域C。衛生棉1如圖1所示，劃分為與穿戴者之液體排泄部相對配置之排泄相對區域B、於該排泄相對區域B之縱向X之前後配置之前方區域A和後方區域C。 於本說明書中，縱向X與穿戴者之前後方向對應，與吸收性物品(衛生棉1)之長度方向一致，橫向Y與吸收性物品(衛生棉1)之寬度方向(與長度方向正交之方向)一致。因此，於沒有特別提示之情形時，於本說明書中，長度方向X之長度係指作為於長度方向X測定之距離之“長度”，橫向Y之長度係指作為於橫向Y測定之距離之“寬度”。衛生棉1關於沿縱向X延伸之中心線CL左右對稱地形成。縱向X亦係指與中心線CL平行之方向。另外，於本說明書中，肌膚相對面係吸收性物品(衛生棉1)或其構成部件之於穿戴吸收性物品(衛生棉1)時朝向穿戴者之肌膚側之面，非肌膚相對面係吸收性物品(衛生棉1)或其構成部件之於穿戴吸收性物品(衛生棉1)時朝向肌膚側相反一側(著衣側)之面。 衛生棉1具有：穿戴時與穿戴者之液體排泄部(陰道口等)相對配置之排泄相對區域B、配置於較該排泄相對區域B靠穿戴者之腹側(前側)之前方區域A、和配置於較該排泄相對區域B靠穿戴者之背側(後側)之後方區域C。即，衛生棉1沿縱向X依次劃分為前方區域A、排泄相對區域B和後方區域C。 另外，於本發明之吸收性物品中，排泄相對區域B於如本實施方式之衛生棉1那樣具有翼部1W之情形時，係指縱向X上具有翼部1W之區域(被一個翼部1W之沿著縱向X之根部和另一個翼部1W之沿著縱向X之根部所夾著之區域)。另外，於沒有翼部之吸收性物品之情形時，就吸收性物品以三折之單個裝形式摺疊時產生之沿橫向Y橫穿該吸收性物品之2個摺疊線(未圖示)而言，排泄相對區域B係指由自該吸收性物品之縱向X之前端數之第一摺疊線和第二摺疊線包圍之區域。 如圖1所示，本實施方式之衛生棉1包括：形成肌膚相對面之透液性之肌膚側片2、形成非肌膚相對面之非肌膚側片3、和存在於這兩個片2、3之間之吸收體4。吸收體4由吸收性芯41和包裹該吸收性芯41之包晶片(未圖示)構成。 於衛生棉1中，如圖1所示，肌膚側片2包覆吸收體4之肌膚相對面之整個區域，自吸收體4之沿著縱向X之兩側緣向橫向Y之外方延出。另一方面，非肌膚側片3包覆吸收體4之非肌膚相對面之整個區域，另外自肌膚側片2之沿著縱向X之兩側緣向橫向Y之外方延出，與後述之側片5一起形成側翼部1S。非肌膚側片3和側片5藉由接著劑、熱封、超音波密封等公知之接合方法於吸收體4之自沿著縱向X之兩側緣之延出部相互接合。另外，肌膚側片2和非肌膚側片3各自與吸收體4之間亦可以藉由接著劑接合。 於衛生棉1中，側片5如圖1所示，配置於肌膚側片2之肌膚相對面之沿著縱向X之兩側部。較佳為，側片5以俯視時與沿著肌膚側片2之縱向X之左右兩側部重疊之方式遍及肌膚側片2之縱向X之全長配置。 於衛生棉1中，一對側片5、5分別如圖1所示，被接合部6接合於肌膚側片2。交替地沿縱向X連續配置由曲線產生之橫向Y上之凹凸所得到之波狀之接合部6於俯視時，以中心線CL為中心，沿橫向Y對稱地配置有一對。這樣，側片5被波狀之接合部6接合於肌膚側片2而固定時，於較以波狀配置之接合部6之接合部組靠橫向Y之內方形成由側片5和肌膚側片2所劃分之空間部。該空間部向中心線CL開口，因此自橫向Y之中央向外方流動之經血等體液被收容於該空間部，結果能夠有效防止體液之洩漏。 於衛生棉1中，側翼部1S如圖1所示，於排泄相對區域B向橫向Y之外方大幅突出，由此，於衛生棉1之沿著縱向X之左右兩側延伸設置有一對翼部1W、1W。翼部1W係向短褲等衣物之襠部之非肌膚相對面側折返而使用之部分。另外，肌膚側片2和非肌膚側片3如圖1所示，自吸收體4之縱向X之前端和後端分別向縱向X之外方延出，於這些延出部藉由接著劑、熱封、超音波密封等公知之接合方法相互接合，形成端封部。 於衛生棉1中，如圖1所示，於肌膚側片2之肌膚相對面形成有肌膚側片2和吸收體4朝向非肌膚側片3側一體凹陷而成之線狀壓製槽7。線狀壓製槽7之“線狀”指俯視時槽(凹陷部)之形狀不限於直線，包含曲線之情形。另外，各線既可以係連續線，亦可以係虛線，衛生棉1之線狀壓製槽7由不連續之多個點壓花形成之列構成。就肌膚側片2和吸收體4而言，線狀壓製槽7之作為構成部件之各種纖維之密度較該線狀壓製槽7之周圍部之密度高。線狀壓製槽7具有於吸收體4之前方區域A和後方區域C分別向橫向Y延伸之第一橫壓製槽71、和於吸收體4之排泄相對區域B之沿著縱向X之兩側部向縱向X延伸之縱壓製槽73。衛生棉1中，第一橫壓製槽71係向縱向X外方凸出之曲線狀，縱壓製槽73係於排泄相對區域B向橫向Y外方凸出之曲線狀。第一橫壓製槽71於較一對縱壓製槽73靠內側，遍及一對縱壓製槽73向橫向Y延伸。衛生棉1中，前方區域A之第一橫壓製槽71、一縱壓製槽73、後方區域C之第一橫壓製槽71、和另一縱壓製槽73連接形成環狀之整周槽。這樣形成之線狀壓製槽7抑制體液向吸收體4之平面方向之擴散，能夠有效防止自衛生棉1之周圍漏液。 於衛生棉1中，構成吸收體4之吸收性芯41如圖2所示，於位於縱向X之前方區域A側之第一區域41F和位於後方區域C側之第二區域41R之間具有中間區域41M。中間區域41M具有中高部42。衛生棉1中，中間區域41M配置於排泄相對區域B。更具體地說，衛生棉1中吸收性芯41之中間區域41M和排泄相對區域B於縱向一致。因此，衛生棉1中，於吸收性芯41之中間區域41M具有中高部42。另外，衛生棉1中，如圖2所示，俯視時，衛生棉1之前方區域A之大小和吸收性芯41之第一區域41F之大小大體一致，衛生棉1之後方區域C之大小和吸收性芯41之第二區域41R之大小大體一致。 衛生棉1於橫向Y兩方之外側具有一對翼部1W之情形時，於各翼部1W之於縱向X隔開間隔配置之翼部1W之根部彼此之間存在中間區域41M。更具體地說，衛生棉1之中間區域41M存在於遍及各翼部1W於縱向X隔開間隔配置之翼部1W之根部彼此之間。另外，於衛生棉1之前方區域A之大小和吸收性芯41之第一區域41F之大小大體一致，且衛生棉1之後方區域C之大小和吸收性芯41之第二區域41R之大小大體一致之情形時，衛生棉1之中間區域41M之縱向X之長度與各翼部1W之於縱向X隔開間隔配置之翼部1W之根部彼此之間之長度相同。 另外，中間區域41M厚度較位於中間區域41M之前方之第一區域41F和位於中間區域41M之後方之第二區域41R之各區域之吸收性芯41之厚度厚。衛生棉1中，吸收性芯41具有於與衛生棉1之縱向X相同方向上較長之形狀。因此，吸收性芯41之縱向與衛生棉1之縱向X方向相同，吸收性芯41之橫向與衛生棉1之橫向Y方向相同。 如圖4所示，中高部42之厚度形成得較吸收性芯41之第一區域41F之厚度和第二區域41R之厚度厚。較佳為於衛生棉1中，中高部42厚度形成得較吸收性芯41之第一區域41F之厚度厚，且基重形成得較吸收性芯41之第一區域41F之基重高。另外，較佳為於衛生棉1中，中高部42之厚度與吸收性芯41之第二區域41R之厚度相較，厚度形成得較厚，且基重形成得較吸收性芯41之第二區域41R之基重高。於第一區域41F和第二區域41R形成有槽部45之情形時，與中高部42之厚度和基重比較之第一區域41F和第二區域41R之各自之厚度和基重係指第一區域41F和第二區域41R之不存在後述槽部45之部分之厚度和基重。衛生棉1之吸收性芯41因於芯材料之基重上設置差別而設置厚度差，所以與壓製基重均勻之吸收性芯之一部分而設置厚度差之情形不同，吸收性芯41全體柔軟。 自使中高部42向肌膚突出，提高吸收性芯41之液體之吸收性等之觀點來看，中高部42之厚度為吸收性芯41之第一區域41F和第二區域41R之厚度之較佳為120%(即，1.2倍)以上，更佳為140%以上，另外，較佳為700%以下，更佳為500%以下，另外，自穿戴時對身體之追隨性或抑制不適感之觀點來看，較佳為120%以上且700%以下，更佳為140%以上且500%以下。另外，中高部42之厚度與第一區域41F或第二區域41R之厚度之厚度差(前者－後者)較佳為1.0 mm以上，更佳為2.0 mm以上，另外，較佳為8.0 mm以下，更佳為6.0 mm以下，另外，較佳為1.0 mm以上且8.0 mm以下，更佳為2.0 mm以上且6.0 mm以下。上述之構成如本實施方式之衛生棉1那樣，於中高部42設置於排泄相對區域B時，特別有效。 另外，中高部42之厚度較佳為2.0 mm以上，更佳為3.0 mm以上，另外，較佳為10.0 mm以下，更佳為7.0 mm以下，另外，較佳為2.0 mm以上且10.0 mm以下，更佳為3.0 mm以上且7.0 mm以下。此外，較佳為於中高部42之全部範圍內為上述厚度之關係，於中高部42之厚度方向設有增減之情形時，只要於最厚之部分成為上述之關係即可。 此外，較佳為於中高部42之全部範圍成為上述厚度之關係，但於中高部42之厚度方向上，於橫向Y或縱向X或該兩個方向設有厚度逐漸之增減之情形時，只要於最厚之部分成為上述之關係即可。 另外，第一區域41F或第二區域41R之厚度較佳為0.5 mm以上，更佳為1.0 mm以上，另外，較佳為7.0 mm以下，更佳為3.5 mm以下，另外，較佳為0.5 mm以上且7.0 mm以下，更佳為1.0 mm以上且3.5 mm以下。 較佳為於衛生棉1中，第一區域41F或第二區域41R之厚度於不存在後述槽部45之部分時，大體均勻形成，但於第一區域41F或第二區域41R之橫向Y或縱向X設有厚度逐漸之增減之情形時，只要於最厚之部分成為上述之關係即可。 中高部42、第一區域41F或第二區域41R、後述之中高相鄰部44等吸收性芯41之各部分之厚度藉由以下之方法測定。 ＜吸收性芯41之各部分之厚度之測定方法＞ 於水準之位置以沒有褶皺或彎折之方式靜置吸收性芯，自該吸收性芯41切出作為測定對象物之中高部42、第一區域41F或第二區域41R等。然後，測定切出之測定物件物之5 cN/cm2 之負荷下之厚度。具體而言，於厚度之測定中例如使用厚度儀PEACOCK DIAL UPRIGHT GAUGES R5-C(OZAKI MFG.CO.LTD.製)。這時，於厚度儀之前端部和切出之測定物件物之間，以負荷為5 cN/cm2 之方式配置調整了大小之俯視圓形或正方形之板(厚度5 mm左右之丙烯酸板)，測定厚度。測定吸收性芯41之第一區域41F或第二區域41R等之厚度時，以不含後述之槽部45之方式進行測定。 於衛生棉1中，自使中高部42向肌膚突出，提高排泄相對區域B之吸收性芯之液體之吸收性等之觀點來看，較佳為吸收性芯41之中高部42之基重為100 g/m2 以上，更佳為200 g/m2 以上，而且，較佳為1500 g/m2 以下，更佳為1200 g/m2 以下，具體而言，較佳為100 g/m2 以上且1500 g/m2 以下，更佳為200 g/m2 以上且1200 g/m2 以下。另外，吸收性芯41之第一區域41F之基重或第二區域41R之基重較佳為50 g/m2 以上，更佳為100 g/m2 以上，而且，較佳為1000 g/m2 以下，更佳為900 g/m2 以下，具體而言，較佳為50 g/m2 以上且1000 g/m2 以下，更佳為100 g/m2 以上且900 g/m2 以下。第一區域41F之基重或第二區域41R之基重，藉由將如上述之吸收性芯41之各部分之厚度之測定方法中說明般切出之第一區域41F或第二區域41R之樣品之品質除以該樣品之肌膚相對面側之面之面積而求出。測定吸收性芯41之第一區域41F之基重或第二區域41R等之基重時，以不含後述之槽部45之方式進行測定。 於衛生棉1中，中高部42具有俯視吸收性芯41時，與吸收性芯41之縱向X正交之橫向Y之長度為最大之最大寬度部，該最大寬度部之橫向Y之長度與吸收性芯41之橫向Y之長度相同。較佳為中高部42如圖2所示，具有俯視吸收性芯41時，中高部42之最大寬度部順著吸收性芯41之沿著縱向X之兩側緣於縱向X以規定之長度延伸形成之中高中央部421。換句話說，中高中央部421遍及吸收性芯41之沿著縱向X之兩側緣41s、41s之間以帶狀延伸，遍及帶狀之中高中央部421之縱向X之全長具有中高部42之上述最大寬度部。中高中央部421之最大寬度部之橫向Y之長度與吸收性芯41之寬度相同。此外，於此吸收性芯41之寬度係指包括中高部42之吸收性芯41之寬度。即，沿橫向Y剖視中高部42時，與相鄰之第一區域41F和第二區域41R之肌膚抵接面側之表面之高度位置相較，只要位於肌膚抵接面側之中高部42之寬度(肌膚側寬度)與位於非肌膚抵接面側之中高部42之寬度(非肌膚側寬度)相同或更大，則中高部42之最大寬度與吸收性芯41之寬度相同。然而，中高部42之最大寬度部較佳為肌膚側寬度和非肌膚側寬度大體相同，特別較佳為於厚度方向大體均勻。為了即使吸收性物品於稍微偏移之狀態下穿戴亦能夠顯現充分之吸收性能，吸收性芯41較佳為儘可能擴大中高中央部421之面積。根據這種觀點，中高中央部421於最大寬度部，較佳為吸收性芯41之沿著縱向X之兩側緣41s、41s之間為固定之間隔，更佳為兩側緣41s、41s分別與縱向X平行，且為直線狀。但是，由於製造時之吸收性芯41之中高部42之橫向Y之位置偏移、中高部42之缺損、生產方法引起之模型之拔模斜度、端部之圓角或倒角等，中高部42之寬度和吸收性芯41之寬度只要為稍微不同之程度，例如只要於最大寬度部之寬度之5%左右之差之範圍，則看作相同之寬度。最大寬度係指橫向Y之最長之位置處之距離。此外，於圖2中，中高部42之於橫向Y之最大寬度部之橫向Y之長度與吸收性芯41之中間區域41M於橫向Y之最大長度相同，與吸收性芯41之橫向Y之最大長度相同。 中高部42之中高中央部421於衛生棉1中，如圖3所示進行剖視時，以自橫向Y之中央部朝向沿著縱向X之兩側緣部而其高度降低之方式形成。即，於中高中央部421之於縱向X延伸之中心線CL上配置之中央部之高度形成得最高。這樣形成有中高中央部421時，能夠提高排泄相對區域B之液體之吸收性等。 中高部42之中高中央部421於衛生棉1中，如圖3所示進行剖視時，以自橫向Y之中央部朝向沿著縱向X之兩側緣部而其基重減小之方式形成。即，於中高中央部421之沿著縱向X之中心線CL上配置之中央部之基重形成得最大。這樣形成中高中央部421時，能夠提高排泄相對區域B之液體之吸收性等。 衛生棉1之中高中央部421，如圖3所示進行剖視，配置於中心線CL上之中央部之高度(T1)相對於高度最小之側緣41s處之高度(T2)之比(Tl/T2)，自中高部與排泄部儘可能無間隙緊貼之觀點來看，較佳為1.1以上，特別較佳為1.3以上，另外，自不易賦予穿戴時之不適感之觀點來看，較佳為4以下，特別較佳為3以下，具體而言，較佳為1.1以上且4以下，特別較佳為1.3以上且3以下。 另外，中高部42為於肌膚抵接面側不具有基重較吸收性芯41之第一區域41F和第二區域41R之基重低之凹部之形式。於此，於第一區域41F和第二區域41R具有槽部45之情形時，第一區域41F和第二區域41R之基重係指除了槽部45以外之部分之基重。於中高部42之肌膚抵接面側存在低基重之凹部時，衛生棉1易產生意外之褶皺或彎折。假如低基重之凹部為於中高部42之肌膚抵接面沿縱向X跨中高部42之縱槽部之情形時，中高部42因該縱槽易於寬度方向被分割，不僅穿戴時易以縱槽部為起點，於衛生棉1產生沿著縱向之褶皺，而且還會發生以該縱槽部為基點，由於衛生棉1之穿戴者之動作而吸收性芯被分裂之情形。這樣吸收性芯被分割時，衛生棉1和身體之間易形成間隙，或吸收容量顯著降低，因此成為所謂漏液之原因。 另外，中高部42包括自中高中央部421朝向前方區域A側或後方區域C側而橫向Y之長度較中高部42之上述最大寬度部變窄之前方側凸部422或後方側凸部423。換句話說，中高部42如圖2所示俯視吸收性芯41時，至少具有自中高中央部421之縱向X之前端部向第一區域41F側凸出之前方側凸部422、和自中高中央部421之縱向X之後端部向第二區域41R側凸出之後方側凸部423之任一者，於衛生棉1中，中高部42具有前方側凸部422和後方側凸部423。即，於衛生棉1中，中高部42被劃分為前方側凸部422、中高中央部421和後方側凸部423。 於衛生棉1中，如圖2所示，吸收性芯41之前方側凸部422於中高中央部421之前端部配置有一個，後方側凸部423於中高中央部421之後端部配置有一個。前方側凸部422中，前方側凸部422之頂部422t配置於沿縱向X延伸之中心線CL上，形成前方側凸部422之兩側邊422s、422s分別自頂部422t直至吸收性芯41之沿著縱向X之側緣41s以直線形狀延伸。後方側凸部423與前方側凸部422同樣，後方側凸部423之頂部423t配置於沿縱向X延伸之中心線CL上，形成後方側凸部423之兩側邊423s、423s分別自頂部423t延伸直至吸收性芯41之沿著縱向X之側緣41s。 於衛生棉1中，如圖2所示，吸收性芯41之前方側凸部422和後方側凸部423分別以自沿著縱向X之兩側部朝向位於橫向Y之中央部之頂部422t、423t而其寬度d逐漸減少之方式形成。較佳為於衛生棉1之吸收性芯41之前方側凸部422，兩側邊422s、422s之間隔(寬度d)自吸收性芯41之沿著縱向X之兩側緣41s、41s朝向頂部422t而逐漸減少。同樣，於衛生棉1之吸收性芯41之後方側凸部423，兩側邊423s、423s之間隔(寬度d)自吸收性芯41之沿著縱向X之兩側緣41s、41s朝向頂部423t而逐漸減少。於此，寬度d逐漸減少係指寬度d朝向頂部422t、423t而連續地一點點減少。 於衛生棉1之吸收性芯41中，列舉前方側凸部422和後方側凸部423之中之前方側凸部422為例進行說明時，兩側邊422s、422s分別不彎曲地筆直延伸。自提高對身體形狀之合身性和運動時之追隨性之觀點來看，一個側邊422s和沿縱向X延伸之中心線CL所成之角α較佳為20°以上，更佳為30°以上，而且，較佳為75°以下，更佳為60°以下，具體而言，較佳為20°以上且75°以下，更佳為30°以上且60°以下。後方側凸部423亦與前方側凸部422同樣。 中高部42之縱向X之全長L2較佳為係吸收性芯41之縱向X之全長L1之25%以上，更佳為30%以上，另外，較佳為90%以下，更佳為75%以下，另外，較佳為25%以上且90%以下，更佳為30%以上且75%以下。 此外，全長L1即表示於吸收性芯41之縱向X之最長之位置處之距離，全長L2係指於中高部42之縱向X之最長之位置處之距離。 構成中高部42之中高中央部421之縱向X之全長L3較佳為中高部42之全長L2之20%以上，更佳為30%以上，另外，較佳為80%以下，更佳為70%以下，另外，較佳為20%以上且80%以下，更佳為30%以上且70%以下。 構成中高部42之前方側凸部422之縱向X之全長L4較佳為中高部42之全長L2之5%以上，更佳為10%以上，另外，較佳為50%以下，更佳為30%以下，另外，較佳為5%以上且50%以下，更佳為10%以上且30%以下。構成中高部42之後方側凸部423之縱向X全長亦與前方側凸部422之縱向X之全長L4同樣。 此外，全長L4係指於前方側凸部422之縱向X之最長之位置處之距離。 於衛生棉1中，如圖2所示，吸收性芯41於中間區域41M具有劃分中高部42與中高部42以外之部分之邊界之中高邊界槽部43。中高邊界槽部43於衛生棉1中具有沿著形成構成中高部42之前方側凸部422之兩側邊422s、422s延伸之前方中高邊界槽部43a、和沿著形成後方側凸部423之兩側邊423s、423s延伸之後方中高邊界槽部43c。前方中高邊界槽部43a和後方中高邊界槽部43c遍及吸收性芯41之橫向Y之全長(全部寬度)形成。因此，對於來自腿部之作用於吸收性芯41之寬度方向之內側之力，不易於衛生棉1之縱向產生縱向褶皺，衛生棉1易沿著身體之形狀三維地貼合。這樣，吸收性芯41中藉由前方中高邊界槽部43a和後方中高邊界槽部43c劃分與中高部42之邊界。 於衛生棉1中，自提高排泄相對區域B之液體之吸收性等之觀點來看，吸收性芯41之中高邊界槽部43之槽寬度較佳為0.1 mm以上，更佳為0.5 mm以上，另外，較佳為5.0 mm以下，更佳為3.0 mm以下，另外，較佳為0.1 mm以上且5.0 mm以下，更佳為0.5 mm以上且3.0 mm以下。另外，中高邊界槽部43之槽寬度和後述之厚度藉由於與中高邊界槽部43延伸之方向正交之方向切斷，根據切斷面之照片來測量。 於衛生棉1中，自提高排泄相對區域B之液體之吸收性等之觀點來看，吸收性芯41於中高邊界槽部43之厚度較佳為0.08 mm以上，更佳為0.15 mm以上，另外，較佳為7.0 mm以下，更佳為3.5 mm以下，另外，較佳為0.08 mm以上且7.0 mm以下，更佳為0.15 mm以上且3.5 mm以下。 於衛生棉1中，中高邊界槽部43形成得較中高部42之基重低，進而形成得基重較吸收性芯41之第一區域41F之基重和第二區域41R之基重低。於此，第一區域41F之基重和第二區域41R之基重，於具有槽部45之情形時，係指除了槽部45以外之部分之基重。中高邊界槽部43之基重較佳為10 g/m2 以上，更佳為20 g/m2 以上，而且，較佳為350 g/m2 以下，更佳為250 g/m2 以下，具體而言，較佳為10 g/m2 且以上350 g/m2 以下，更佳為20 g/m2 以上且250 g/m2 以下。另外，中高邊界槽部43之基重，藉由將如於上述之吸收性芯41之各部分之厚度之測定方法中說明般切出之中高邊界槽部43之部分之樣品之品質除以該樣品之肌膚相對面側之面之面積而求出。 於衛生棉1中，吸收性芯41如圖2所示，除了其中間區域41M之中高部42，另外，於除了中高邊界槽部43之區域還具有中高相鄰部44。即，於衛生棉1中，吸收性芯41之中間區域41M包括中高部42、中高邊界槽部43和中高相鄰部44。中高相鄰部44於中間區域41M中，具有配置於與構成中高部42之前方側凸部422相鄰之第一區域41F側之前方中高相鄰部44a、和配置於與構成中高部42之後方側凸部423相鄰之第二區域41R側之後方中高相鄰部44c。前方中高相鄰部44a關於沿縱向X延伸之中心線CL左右對稱地形成。前方中高相鄰部44a之比中心線CL靠吸收性芯41之沿著縱向X之一個側緣41s側之一半之部分以自該一個側緣41s朝向中心線CL而縱向X之長度逐漸減少之方式形成。後方中高相鄰部44c與前方中高相鄰部44a同樣，關於沿縱向X延伸之中心線CL左右對稱地形成。後方中高相鄰部44c之比中心線CL靠吸收性芯41之沿著縱向X之一個側緣41s側之一半之部分以自該一個側緣41s朝向中心線CL而縱向X之長度逐漸減少之方式形成。 於衛生棉1中，如圖4所示，中高相鄰部44形成為其厚度較中高邊界槽部43之厚度大，且較吸收性芯41之中高部42之厚度小。另外，自對身體之運動之追隨性之觀點來看，中高相鄰部44較佳為其厚度與第一區域41F之厚度和第二區域41R之厚度相同或較其小。另外，自對於身體之運動，反覆變形時之吸收性芯41之強度之觀點來看，中高相鄰部44之厚度亦可以較第一區域41F之厚度和第二區域41R之厚度大。 中高相鄰部44之厚度較佳為0.5 mm以上，更佳為1.0 mm以上，較佳為10.0 mm以下，更佳為7.0 mm以下，另外，較佳為0.5 mm以上且10.0 mm以下，更佳為1.0 mm以上且7.0 mm以下。 中高相鄰部44之厚度如上述之吸收性芯41之各部分之厚度之測定方法進行測定。 於衛生棉1中，中高相鄰部44形成為其基重較吸收性芯41之中高部42之基重小，且較中高邊界槽部43之基重大。另外，自對身體之運動之追隨性之觀點來看，較佳為中高相鄰部44之基重與吸收性芯41之第一區域41F之基重和第二區域41R之基重相同或較其小。另外，自對於身體之運動，反覆變形時之吸收性芯41之強度之觀點來看，中高相鄰部44之基重亦可以較第一區域41F之基重和第二區域41R之基重大。於此，第一區域41F之基重和第二區域41R之基重，於具有槽部45之情形時，係指除槽部45以外之部分之基重。中高相鄰部44之基重較佳為20 g/m2 以上，更佳為50 g/m2 以上，而且，較佳為800 g/m2 以下，更佳為700 g/m2 以下，具體而言，較佳為20 g/m2 以上且800 g/m2 以下，更佳為50 g/m2 以上700 g/m2 以下。另外，中高相鄰部44之基重藉由將如上述之吸收性芯41之各部分之厚度之測定方法中說明般切出之中高相鄰部44之樣品之品質除以該樣品之肌膚相對面側之面之面積而求出。 於衛生棉1中，吸收性芯41之第一區域41F和第二區域41R分別如圖2所示，具有基重相對小之槽部45和基重相對大之小吸收部46。較佳為槽部45包括沿縱向X延伸之縱槽45X和沿橫向Y延伸之橫槽45Y。而且，沿縱向X延伸之縱槽45X於橫向Y隔開一定之間隔配置，沿橫向Y延伸之橫槽45Y於縱向X隔開一定之間隔配置。小吸收部46配置於由縱槽45Y和橫槽45X劃分之格子之孔之位置。上述之第一區域41F和第二區域41R之厚度和基重係指小吸收部46之厚度和基重。 於衛生棉1中，於第一區域41F和第二區域41R具有槽部45和小吸收部46，於中間區域41M具有中高部42、中高邊界槽部43和中高相鄰部44之吸收性芯41之全體一體成形。“一體成形”與藉由接著劑或壓製等接合方法結合之方式不同，而係指使用相同之材料，由一個工序一體形成。 上述之衛生棉1之吸收性芯41能夠例如如圖5(a)所示，使用包括於外周面具有聚集用凹部55、向一個方向R旋轉之纖維堆積轉鼓54和於該纖維堆積轉鼓54之外周面以飛散之狀態供給芯材料之管道(未圖示)之纖維堆積裝置來製造。 聚集用凹部55於纖維堆積轉鼓54之外周面之周向以一定之間隔形成有多個。聚集用凹部55之底面56由網眼板等構成，具有作為抽吸孔發揮功能之多個細孔。 另外，如圖5(a)所示，於1個聚集用凹部55之底面56之一部分形成有用於形成吸收性芯41之中間區域41M之一個凹部56b。另外，於凹部56b之底面配置有用於形成劃分中高部42和中高相鄰部44之中高邊界槽部43之第一難通氣性部件57。第一難通性部件57配置於與中高邊界槽部43對應之位置，以自凹部56b之底面突出之方式固定。另外，於與凹部56b相鄰之旋轉方向R之上游側區域和下游側區域之底面56配置有用於形成槽部45之第二難通氣性部件58。第二難通氣性部件58配置於與縱槽45Y和橫槽45X對應之位置，以自聚集用凹部55之底面56突出之方式固定。第一難通氣性部件57和第二難通氣性部件58亦可以係非通氣性部件，例如由金屬或塑膠、陶瓷等構成。 與具有纖維堆積轉鼓之公知之纖維堆積裝置同樣，藉由一邊自聚集用凹部55之底面抽吸，一邊向管道內供給混合吸水性聚合物和紙漿纖維得到之芯材料，如圖5(b)所示，芯材料以規定形狀堆積於聚集用凹部55內。藉由使其堆積物40自聚集用凹部55脫離，得到吸收性芯41之前體。吸收性芯41之前體由包晶片(未圖示)包覆後，被旋轉切割機等切割，利用帶式運輸機等運送設備於運送方向運送。這樣得到吸收性芯41。這樣得到之由包晶片(未圖示)包覆之吸收性芯41於一對輥之間藉由單次或多次等，由此全體或部分地加壓而適度壓製。由此，於凹部56b堆積之部分成為基重和厚度均相對大之中高部42。同樣，由於與凹部56b相鄰之上游側區域和下游側區域堆積之芯材料構成之部分成為基重相對小之吸收性芯41之第一區域41F和第二區域41R。另外，由於凹部56b之第一難通氣性部件57上堆積之芯材料構成之部分成為較第一區域41F之基重和第二區域41R之基重相對小之中高邊界槽部43。由於與凹部56b相鄰之上游側區域和下游側區域之第二難通氣性部件58上堆積之芯材料構成之部分成為較小吸收部46之基重相對小之槽部45。 對於上述之本實施方式之衛生棉1之各構成部件之形成材料進行說明。 形成肌膚相對面之肌膚側片2由具有透液性、含有熱塑性合成樹脂之原料構成，例如，較佳為可以使用熱風纖維無紡布、紡黏無紡布、點黏無紡布等纖維無紡布。作為熱塑性樹脂之例子，可以列舉乙烯、丙烯等烯烴系聚合物或聚對苯二甲酸乙二醇酯，但不限於這些。肌膚側片2例如，較佳為基重為10～100 g/m2 ，厚度為0.5～5.0 mm。另外，肌膚側片2可以無特別限制地使用於該技術領域中與目前使用之原料同樣之原料，還可以使用穿孔膜等。 非肌膚側片3由具有難透液性或不透過性、含有熱塑性合成樹脂之原料構成，例如可以使用合成樹脂製膜、合成樹脂製膜與無紡布之層疊體、或紡黏-熔噴-紡黏層疊纖維無紡布、熱風纖維無紡布、點黏纖維無紡布、紡黏纖維無紡布等耐水壓高之撥水性之無紡布，但不限定於這些，可以無特別限制地使用於該技術領域中與目前使用之原料同樣之原料。非肌膚側片3例如較佳為基重為10～50 g/m2 ，厚度為8～200 μm。 吸收性芯41之芯材料包含由紙漿纖維等纖維材料構成之纖維集合體而成。作為纖維材料，可以無特別限制地使用目前於經期衛生棉或衛生護墊、一次性尿布等吸收性物品之吸收體中使用之各種材料，例如，可以使用紙漿纖維、人造纖維、棉纖維等纖維素系纖維之短纖維或聚乙烯等合成纖維之短纖維等。這些纖維可以單獨使用一種，或組合使用兩種以上。另外，纖維材料較佳為全體或一部分為紙漿纖維，較佳為纖維材料中之紙漿纖維之比例為50～100品質%，更佳為80～100品質%，進一步較佳為100品質%。 另外，於吸收性芯41中亦可以含有吸水性聚合物。作為吸水性聚合物，例如，可以列舉聚丙烯酸鈉、(丙烯酸－乙烯醇)共聚物、聚丙烯酸鈉交聯體、(澱粉－丙烯酸)接枝共聚物、(異丁烯馬來酸酐)共聚物及其皂化物、聚天冬氨酸等。因含有吸水性聚合物，所以能夠更穩定快速吸收、保持大量之血液等排泄液。 另外，吸收性芯41中亦可以根據需要配合除臭劑、抗菌劑等。 作為包覆吸收性芯41之包晶片(未圖示)，可以列舉薄頁紙、透水性之無紡布等。吸收體4由包晶片(未圖示)包覆吸收性芯41之上下兩面而形成。包晶片(未圖示)出於防止吸收性芯41之形成材料之漏出，或提高吸收性芯41之保形性之目之使用。較佳為包覆吸收性芯41之肌膚相對面側之包晶片(未圖示)與肌膚側片2之間、以及包覆吸收性芯41之非肌膚相對面側之包晶片(未圖示)與非肌膚側片3之間藉由點狀、螺旋狀、條帶狀等圖案塗敷之接著劑相互接合。 作為側片5，可以無特別限制地使用於該技術領域中目前使用之各種片，例如，可以使用不透液性或撥水性之樹脂膜、樹脂膜與無紡布之層疊體等。作為其它之材料，例如可以列舉紡黏無紡布、紡黏無紡布(S)與熔噴無紡布(M)複合化得到之片(如，SM、SMS、SMMS等)、熱軋無紡布、熱風無紡布等撥水性(疏水性)無紡布。 將側片5與肌膚側片2接合之接合部6能夠藉由熱封加工並根據通常方法形成。 線狀壓製槽7(第一橫壓製槽71、第二橫壓製槽72和縱壓製槽73)能夠藉由伴有熱或不伴有熱之壓製加工(所謂壓花加工)或超音波壓花等壓花加工，根據通常方法形成。 對上述之本實施方式之衛生棉1之作用效果進行說明。 如圖1～圖2所示，衛生棉1於吸收性芯41之中間區域41M具有中高部42，中高部42如圖2所示，俯視吸收性芯41時，具有吸收性芯41之橫向Y之長度為最大之最大寬度部，該最大寬度部之橫向Y之長度與吸收性芯41之中間區域41M之橫向Y之長度相同。因此，即使作為吸收性物品之衛生棉1於稍微偏移狀態下穿戴，因對身體形狀之追隨性優異，所以亦不易給穿戴者帶來不適感，於其與穿戴者之肌膚之間不易產生間隙，能夠顯現充分之吸收性能。特別係，衛生棉1中，具有上述最大寬度部順著吸收性芯41之沿縱向X之兩側緣、於縱向X以規定之長度延伸形成之中高中央部421。因此，能夠提高排泄液之吸收量，並且於作為吸收性物品之衛生棉1於稍微偏移之狀態下穿戴之情形、或者對於穿戴時之身體之動作或就寢時之身體之姿勢等，亦能夠顯現充分之吸收性能。另外，中高部42如圖2所示俯視時，至少具有中高中央部421、以及自中高中央部421之縱向X之前端部向第一區域41F側凸出之前方側凸部422和自中高中央部421之縱向X之後端部向第二區域41R側凸出之後方側凸部423之任一者。因此，即使衛生棉1於稍微偏移之狀態下穿戴，只要中高部42具有前方側凸部422和後方側凸部423之任一者，則對於自兩大腿部向衛生棉1之橫向Y內側之力，藉由前方側凸部422和後方側凸部423變形，中高部42對身體形狀之追隨性就優異，不易給穿戴者帶來不適感。另外，即使衛生棉1於稍微偏移之狀態下穿戴，只要中高部42具有前方側凸部422和後方側凸部423之任一者，則於其與穿戴者之肌膚之間就不易產生間隙，能夠顯現充分之吸收性能。這樣，能夠維持衛生棉1穿戴中對於身體之貼合性，難以產生漏液。衛生棉1中，特別係中高部42具有前方側凸部422和後方側凸部423這兩者，因此能夠進一步起到上述效果。 另外，衛生棉1如圖2所示，吸收性芯41之前方側凸部422和後方側凸部423分別以自沿著縱向X之兩側部朝向位於橫向Y之中央部之頂部422t、423t而其寬度d逐漸減少之方式形成。因此，即使衛生棉1於稍微偏移之狀態下穿戴，對身體形狀之追隨性亦更優異，更不易給穿戴者帶來不適感。 另外，衛生棉1如圖2所示，於吸收性芯41之中間區域41M具有劃分中高部42和中高部42以外之部分之中高邊界槽部43。中高邊界槽部43形成為較中高部42之基重低，而且基重較吸收性芯41之第一區域41F和第二區域41R之基重低。因此，容易以中高邊界槽部43為起點彎折，不易給穿戴者帶來不適感。另外，中高邊界槽部43遍及吸收性芯41之橫向Y之全長形成，由此於吸收性芯41之寬度方向側緣部，亦容易與穿戴者之身體形狀或動作配合來彎折，合身性更進一步提高。 另外，衛生棉1如圖2所示，於吸收性芯41之中間區域41M具有配置於與構成中高部42之前方側凸部422相鄰之第一區域41F側之前方中高相鄰部44a、和配置於與構成中高部42之後方側凸部423相鄰之第二區域41R側之後方中高相鄰部44c。而且，中高相鄰部44之厚度為吸收性芯41之第一區域41F之厚度和第二區域41R之厚度以下之大小，且形成得較中高部42之厚度小。因此，即使衛生棉1於稍微偏移之狀態下穿戴，亦不易於其與穿戴者之肌膚之間產生間隙，能夠顯現充分之吸收性能。衛生棉1中，中高相鄰部44之基重形成得較吸收性芯41之第一區域41F之基重和第二區域41R之基重小，且較中高邊界槽部43之基重大，因此能夠更進一步起到上述效果中降低穿戴者之不適感之效果。 另外，特別係於長時間穿著衛生棉1等情形時，因身體之運動而衛生棉1反覆變形，於中高相鄰部44可能會破損而損害吸收性能之情形時，中高相鄰部44之厚度亦可以較吸收性芯41之第一區域41F和第二區域41R之厚度大。 另外，因身體之運動而反覆變形，於中高相鄰部44會破損而損害吸收性能之情形時，中高相鄰部44之基重亦可以較吸收性芯41之第一區域41F和第二區域41R之基重大。 另外，衛生棉1如圖2所示，於吸收性芯41之第一區域41F和第二區域41R具有槽部45和小吸收部46，因此容易以槽部45為起點彎折，不易給穿戴者帶來不適感。 以上，對於本發明基於其較佳之實施方式進行了說明，但本發明之吸收性物品不受本實施方式之衛生棉1任何限制，可適當變更。 例如，於衛生棉1之吸收性芯41之前方側凸部422，如圖2所示，兩側邊422s、422s各自不彎曲，自吸收性芯41之沿著縱向X之側緣41s朝向頂部422t而筆直地以直線狀延伸，前方側凸部422之寬度d自吸收性芯41之沿著縱向X之側緣41s朝向頂部422t而連續地逐漸減少，但只要前方側凸部422之寬度d單純逐漸減少，則亦可以階段性地逐漸減少。前方側凸部422筆直地以直線狀延伸，前方側凸部422之寬度d自吸收性芯41之沿著縱向X之兩側緣41s、41s朝向頂部422t而連續地逐漸減少，由此除了對身體之貼合性提高外，還於自上述纖維堆積裝置之上述聚集用凹部55脫離時之脫模性提高之方面而較佳。以下，作為前方側凸部422之寬度d逐漸減少之例子，列舉圖6(a)～圖6(e)所示之例子進行說明。後方側凸部423亦同樣。 圖6(a)所示之吸收性芯41之前方側凸部422形成為自吸收性芯41之沿著縱向X之側緣41s朝向頂部422t而形成曲率半徑一定之曲線。因形成這樣向頂部422t凸出之形狀，所以前方側凸部422之寬度d逐漸減少。 其次，圖6(b)所示之吸收性芯41之前方側凸部422自吸收性芯41之沿著縱向X之側緣41s朝向頂部422t，側邊422s形成為於中途彎折之直線。因形成這樣向頂部422t凸出之形狀，所以前方側凸部422之寬度d逐漸減少。 其次，圖6(c)所示之吸收性芯41之前方側凸部422形成為自吸收性芯41之沿著縱向X之側緣41s朝向頂部422t而形成曲率半徑不同之多條曲線。因形成這樣向頂部422t凸出之形狀，所以前方側凸部422之寬度d階段性地逐漸減少。 其次，圖6(d)所示之吸收性芯41之前方側凸部422形成為自吸收性芯41之沿著縱向X之側緣41s朝向頂部422t，側邊422s以直線形成至中途，自中途起形成曲率半徑一定之曲線。因形成這樣向頂部422t凸出之形狀，所以前方側凸部422之寬度d逐漸減少。 其次，圖6(e)所示之吸收性芯41之前方側凸部422自吸收性芯41之沿縱向X之側緣41s朝向頂部422t，與圖6(d)所示之吸收性芯41之前方側凸部422相反，側邊422s以曲率半徑一定之曲線形成至中途，自中途起以直線形成。因形成這樣向頂部422t凸出之形狀，所以前方側凸部422之寬度d逐漸減少。 另外，衛生棉1之前方側凸部422如圖2所示，於中高中央部421之前端部只配置有一個，但如圖6(f)所示，亦可以於中高中央部421之前端部配置有多個。 另外，衛生棉1之第一區域41F和第二區域41R之厚度相同，但只要較中高部42之厚度小，亦可以係相互不同之厚度。另外，衛生棉1之第一區域41F和第二區域41R之基重相同，但只要較中高部42之基重小，亦可以係相互不同之基重。另外，衛生棉1之第一區域41F和第二區域41R具有槽部45和小吸收部46，但亦可以不具有，還可以具有不同形狀之槽部45和小吸收部46。 另外，衛生棉1之吸收性芯41之整體一體成形，但亦可以不為一體成形。例如，於吸收性芯41中，亦可以自第一區域41F起直至第二區域41R由芯材料形成為相同之高度，其次，配置利用其他之芯材料形成之部分，形成中高部42。 另外，衛生棉1之吸收性芯41亦可以包括遍及整個面方向沒有被分割之連續層。 另外，衛生棉1如圖1所示，於肌膚側片2之肌膚相對面之沿著縱向X之兩側部配置有側片5，但於側片5之自由端部亦可以於縱向X配置伸長狀態之彈性部件，形成防漏護圍。 另外，衛生棉1如圖1所示，於排泄相對區域B之沿著縱向X之左右兩側具有一對翼部1W、1W，但亦可以不具有一對翼部1W、1W。另外，除一對翼部1W、1W外，於後方區域C之沿著縱向X之左右兩側還可以具有一對後方翼。 另外，於圖1所示之衛生棉1中，作為將肌膚側片2和吸收性芯41壓製一體化得到之線狀槽，具有向吸收性芯41之縱向X延伸之一對縱壓製槽73，自更進一步防止洩漏之觀點來看，縱壓製槽73以沿縱向X跨吸收性芯41之中高部42、中高邊界槽部43、中高相鄰部44之方式形成。但是，如圖7所示之衛生棉1，亦可以於吸收體4之排泄相對區域B之縱向X之前後端部，於較一對縱壓製槽73和一對第一橫壓製槽71靠內側具有分別於橫向Y延伸之第二橫壓製槽72。這樣，藉由於衛生棉1之內側設置第二橫壓製槽72，衛生棉1能夠以第二橫壓製槽72為起點變形，進一步提高對肌膚之貼合性。 另外，如圖8所示之衛生棉1，亦可以於排泄相對區域B之沿著縱向X之一對縱壓製槽73、73之寬度方向Y之外側設置一對縱壓製槽73A、73A。藉由設置縱壓製槽73A、73A，既能夠維持第一區域41F和第二區域41R之吸收性、柔軟性，又能夠更進一步防止排泄部之褶皺。根據防止褶皺或合身性之觀點，更佳為縱壓製槽73A、73A於縱向X，配置於中間區域41M之位置。 另外，衛生棉1之吸收性芯41亦可以於非肌膚相對面側形成槽部45。由此，提高液體擴散性和液體保持性。 另外，於衛生棉1中，衛生棉1之前方區域A之大小和吸收性芯41之第一區域41F之大小大體一致，但亦可以不一致。另外，衛生棉1之後方區域C之大小和吸收性芯41之第二區域41R之大小大體一致，亦可以不一致。 另外，本發明之吸收性物品除經期衛生棉外，亦可以係衛生護墊(織物片)、失禁墊等。 關於上述之本發明之實施方式，還公開以下之吸收性物品。 ＜1＞一種吸收性物品，其係包括與穿戴者之前後方向對應之縱向上較長之形狀之吸收性芯，且具有前方區域和後方區域者，其中， 上述吸收性芯於位於上述前方區域側之第一區域與位於上述後方區域側之第二區域之間具有中間區域，於該中間區域具有厚度較該第一區域和該第二區域之厚度厚之中高部， 俯視上述吸收性芯，上述中高部具有與該吸收性芯之上述縱向正交之橫向之長度為最大之最大寬度部，該最大寬度部之橫向之長度與上述吸收性芯之該橫向之長度相同。 ＜2＞如上述＜1＞記載之吸收性物品，其中， 上述中高部包括中高中央部，該中高中央部係上述最大寬度部順著上述吸收性芯之沿上述縱向之兩側緣於上述縱向以規定之長度延伸形成之。 ＜3＞如上述＜2＞記載之吸收性物品，其中， 上述中高部包括自上述中高中央部朝向前方側或後方側而橫向之長度較上述最大寬度部變窄之前方側凸部或後方側凸部。 ＜4＞如上述＜3＞記載之吸收性物品，其中， 上述中高部具有上述前方側凸部和上述後方側凸部。 ＜5＞如上述＜4＞記載之吸收性物品，其中， 上述前方側凸部於上述中高中央部之縱向之前端部配置有一個，上述後方側凸部於上述中高中央部之縱向之後端部配置有一個， 上述前方側凸部和上述後方側凸部分別以自沿著縱向之兩側部朝向位於橫向之中央部之頂部而其橫向之長度逐漸減少之方式形成。 ＜6＞如上述＜1＞～＜5＞中任一項記載之吸收性物品，其中， 上述中高部於肌膚抵接面側不具有基重較上述吸收性芯之上述第一區域和上述第二區域之基重低之凹部。 ＜7＞如上述＜1＞～＜6＞中任一項記載之吸收性物品，其中， 上述中高部形成為基重較上述吸收性芯之上述第一區域之基重和上述第二區域之基重高。 ＜8＞如上述＜1＞～＜7＞中任一項記載之吸收性物品，其中， 上述吸收性芯於上述中間區域具有劃分上述中高部和該中高部以外之部分之邊界之中高邊界槽部， 上述中高邊界槽部遍及上述吸收性芯之橫向之全長形成。 ＜9＞如上述＜8＞記載之吸收性物品，其中， 上述中高邊界槽部形成為基重較上述吸收性芯之上述第一區域和上述第二區域之基重低。 ＜10＞如上述＜1＞～＜9＞中任一項記載之吸收性物品，其中， 上述中高部包括中高中央部，該中高中央部係上述最大寬度部順著上述吸收性芯之沿上述縱向之兩側緣於上述縱向以規定之長度延伸而形成， 上述中高中央部剖視時，以自橫向之中央部朝向沿著縱向之兩側部而其高度降低之方式形成。 ＜11＞如上述＜1＞～＜9＞中任一項記載之吸收性物品，其中， 上述中高部包括中高中央部，該中高中央部係上述最大寬度部順著上述吸收性芯之沿上述縱向之兩側緣於上述縱向以規定之長度延伸而形成， 上述中高中央部剖視時，以自橫向之中央部朝向沿著縱向之兩側部而其基重減小之方式形成。 ＜12＞如上述＜1＞～＜11＞中任一項記載之吸收性物品，其中， 上述吸收性芯於上述中間區域具有劃分上述中高部和該中高部以外之部分之邊界之中高邊界槽部，於上述中間區域之除了上述中高部和該中高邊界槽部以外之區域具有中高相鄰部， 上述中高相鄰部之基重較上述中高部之基重小，且較上述中高邊界槽部之基重大。 ＜13＞如上述＜12＞記載之吸收性物品，其中， 上述中高相鄰部之基重與上述吸收性芯之上述第一區域和上述第二區域之基重相同或較其小。 ＜14＞如上述＜1＞～＜13＞中任一項記載之吸收性物品，其中， 上述吸收性芯於上述中間區域具有劃分上述中高部和該中高部以外之部分之邊界之中高邊界槽部，於上述中間區域之除了上述中高部和該中高邊界槽部以外之區域具有中高相鄰部， 上述中高相鄰部之厚度較上述中高邊界槽部之厚度大，且較上述中高部之厚度小。 ＜15＞如上述＜14＞記載之吸收性物品，其中， 上述中高相鄰部之厚度與上述吸收性芯之上述第一區域和上述第二區域之厚度相同或較其小。 ＜16＞如上述＜1＞～＜15＞中任一項記載之吸收性物品，其中， 上述吸收性芯包括遍及其整個面方向沒有被分割之連續層。 ＜17＞如上述＜1＞～＜16＞中任一項記載之吸收性物品，其中， 上述中高部之縱向之全長為上述吸收性芯之縱向之全長之25%以上且80%以下。 ＜18＞如上述＜2＞～＜5＞中任一項記載之吸收性物品，其中， 上述中高部之上述中高中央部之縱向之全長為上述中高部之縱向之全長之20%以上且80%以下。 ＜19＞如上述＜1＞～＜18＞中任一項記載之吸收性物品，其中， 上述吸收性物品包括形成肌膚相對面之肌膚側片、形成非肌膚相對面之非肌膚側片、和於這兩個片之間之上述吸收性芯， 上述吸收性芯具有劃分上述中高部和其以外之部分之邊界之中高邊界槽部，於上述中間區域之除了上述中高部和該中高邊界槽部以外之區域具有中高相鄰部， 上述吸收性物品，作為上述肌膚側片和上述吸收性芯壓製一體化得到之線狀槽，具有於上述吸收性芯之縱向延伸之一對縱壓製槽， 上述縱壓製槽以沿縱向跨上述中高部、上述中高邊界槽部、上述中高相鄰部之方式形成。 ＜20＞如上述＜19＞記載之吸收性物品，其中， 於上述一對縱壓製槽之內側具有於橫向延伸之橫壓製槽。 ＜21＞如上述＜19＞或＜20＞記載之吸收性物品，其中， 上述吸收性物品於上述中間區域之沿著上述縱向之上述一對縱壓製槽之寬度方向之外側具有一對第二縱壓製槽。 ＜22＞如上述＜1＞～＜21＞中任一項記載之吸收性物品，其中， 於上述吸收性芯之上述第一區域和上述第二區域配置有沿橫向延伸之槽部，該槽部與該第一區域和該第二區域之該槽部以外之部分相較，吸收性芯之形成材料之基重低。 ＜23＞如上述＜1＞～＜22＞中任一項記載之吸收性物品，其中， 於上述吸收性芯之上述第一區域和上述第二區域配置有沿縱向延伸之槽部，該槽部與該第一區域和該第二區域之該槽部以外之部分相較，吸收性芯之形成材料之基重低。 ＜24＞如上述＜1＞～＜23＞中任一項記載之吸收性物品，其中， 上述吸收性芯藉由一體成形而構成。 ＜25＞如上述＜1＞～＜24＞中任一項記載之吸收性物品，其中， 於上述吸收性物品之橫向兩方之外側具有一對翼部，於各翼部之於縱向隔開間隔配置之該翼部之根部彼此之間存在上述中間區域。 ＜26＞如上述＜1＞～＜25＞中任一項記載之吸收性物品，其中， 上述吸收性物品之上述中間區域存在於遍及上述翼部之根部彼此之間。 ＜27＞如上述＜1＞～＜26＞中任一項記載之吸收性物品，其中， 上述吸收性物品之上述中間區域之縱向之長度與上述翼部之根部彼此之間之長度相同。 ＜28＞如上述＜1＞～＜27＞中任一項記載之吸收性物品，其中， 上述吸收性物品於上述第二區域之橫向後方部具有後方翼部。 ＜29＞如上述＜1＞～＜28＞中任一項記載之吸收性物品，其中， 於沿著上述吸收性物品之前後方向之左右兩側具有能夠向穿戴者側立起之立體護圍。 ＜30＞如上述＜1＞～＜29＞中任一項記載之吸收性物品，其中， 上述吸收性物品為全長30 cm以上之經期衛生棉。 實施例 以下，利用實施例進一步說明本發明，本發明不受該實施例任何限制。 〔實施例1〕 製造圖9所示形式之吸收性芯。吸收性芯41作為紙漿纖維和吸水性聚合物之混合纖維堆積體形成。吸收性芯41於中間區域41M具有中高部42，中高部42具有於遍及吸收性芯41之整個寬度之中高中央部421、於中高中央部421之前後端部分別具有前方側凸部422和後方側凸部423。中高部42之厚度為3.5 mm，第一區域41F之厚度和第二區域41R之厚度為2、3 mm。中高部42之基重為350 g/m2 ，第一區域41F之基重和第二區域41R之基重為250 g/m2 。厚度和基重藉由上述之方法測定。另外，中高部42之縱向X之全長L2係吸收性芯41之縱向X之全長L1之63%。 其次，利用薄頁紙包覆圖9所示形式之吸收性芯而形成吸收體，夾於肌膚側片和非肌膚側片之間，製成實施例1之衛生棉。吸收體和肌膚側片之間以及吸收體和非肌膚側片之間經由接著劑接合。 作為肌膚側片和外層片，使用下述之片。 肌膚側片：基重30 g/m2 之熱風無紡布 非肌膚側片：基重25 g/m2 之非透濕聚乙烯製膜片 〔比較例1〕 除使用圖10(a)所示形式之吸收性芯41'，製造經期衛生棉以外，與實施例1之衛生棉同樣，製作比較例1之衛生棉。圖10(a)所示形式之吸收性芯41'與圖9所示形式之吸收性芯相較，於中高部42'不具有前方側凸部422和後方側凸部423，只有中高中央部421'之點有所不同。中高部42'之厚度和基重與實施例1之衛生棉相同，第一區域41F'和第二區域41R'之厚度和基重與實施例1之衛生棉相同。另外，中高部42'之縱向X之全長係吸收性芯41'之縱向X之全長之63%。 〔比較例2〕 除使用圖10(b)所示形式之吸收性芯41'，製造經期衛生棉以外，與實施例1之衛生棉同樣，製作比較例2之衛生棉。圖10(b)所示形式之吸收性芯41'與圖9所示形式之吸收性芯相較，於中高部42'具有沒有遍及吸收性芯41之整個寬度之中高中央部421X之點有所不同。中高部42'之厚度和基重與實施例1之衛生棉相同，第一區域41F'和第二區域41R'之厚度和基重與實施例1之衛生棉相同。另外，中高部42'之縱向X之全長係吸收性芯41'之縱向X之全長之63%。 〔比較例3〕 除使用圖10(c)所示形式之吸收性芯41'，製造經期衛生棉以外，與實施例1之衛生棉同樣，製作比較例3之衛生棉。圖10(c)所示形式之吸收性芯41'與圖9所示形式之吸收性芯相較，於中高部42'具有沒有遍及吸收性芯41之整個寬度之中高中央部421X之點有所不同。另外，中高中央部421X以十字狀形成。中高部42'之厚度和基重與實施例1之衛生棉相同，第一區域41F'和第二區域41R'之厚度和基重與實施例1之衛生棉相同。另外，中高部42'之縱向X之全長係吸收性芯41'之縱向X之全長之63%。 〔評價〕 藉由以下之方法，對實施例1之衛生棉和比較例1～3之衛生棉，評價剛性。 首先，對於製作之實施例1之衛生棉和比較例1～3之衛生棉，於溫度23℃、濕度50%之試驗室保存24小時。之後，作為測定用樣品，於相同之環境條件下，以柔軟度測試法(JIS L-1096)為基準，測定剛性值。作為柔軟度測試儀(Handle-O-Meter)使用大榮科學精器製作所製之型號：HOM-200。將測定用樣品，以使非肌膚側片側朝向下側且其縱向與寬度10 mm之槽成直角之方式配置於試樣台上。其次，自於前方區域側遠離中高部之前方區域側之前端10 mm之位置朝向中高部，每10 mm之位置，使壓入器(Penetrator)之加壓板(blade)以200 mm/min之固定速度下降，讀取壓入深度8 mm時之指示儀(負荷儀)所示之最高值。對於實施例1之衛生棉和比較例1～3之衛生棉各測定5片，將求出測定結果之平均值之資料表示於圖11中。 自圖11所示之結果可知，實施例1之衛生棉與比較例1～3之衛生棉比較，於中高部之前方區域側之前端附近之區域，剛性值平滑上升。這樣可知，由於沒有剛性急劇上升之部分，所以實施例1之衛生棉不易形成彎折部，而柔軟地變形。只要使用這樣之實施例1之衛生棉，能夠期待即使於稍微偏移之狀態下穿戴，因對身體形狀之追隨性優異，所以亦不易給穿戴者帶來不適感，於衛生棉與穿戴者之肌膚之間不易產生間隙，能夠顯現充分之吸收性能。 [產業上之可利用性] 根據本發明，吸收性物品即使於稍微偏移之狀態下穿戴，因對身體形狀之追隨性優異，所以亦不易給穿戴者帶來不適感，於吸收性物品與穿戴者之肌膚之間不易產生間隙，能夠顯現充分之吸收性能。Regardless of the absorbent article described in Patent Document 1 or the absorbent article described in Patent Document 2, as long as the absorbent article cannot be worn in an appropriate position on the body during wearing, it will sometimes move in the front and back direction or left and right of the body. The wearing position shifts in the width direction, and sometimes the effects of the absorbent article described in Patent Document 1 and the absorbent article described in Patent Document 2 cannot be sufficiently obtained. Thus, the absorbent article described in Patent Document 1 and the absorbent article described in Patent Document 2 have room for further improvement. Therefore, the subject of the present invention is to provide an absorbent article that can solve the above-mentioned shortcomings of the prior art. Hereinafter, the absorbent article of the present invention will be described with reference to the drawings based on a menstrual sanitary napkin 1 (hereinafter also referred to as "sanitary napkin 1") which is a preferred embodiment thereof. Fig. 1 shows a plan view of the sanitary napkin 1 of the present embodiment when viewed from the side of the skin side sheet. As shown in FIG. 1, the sanitary napkin 1 of the present embodiment includes an absorbent core 41 having a long longitudinal direction X, and has a front area A and a rear area C. As shown in FIG. As shown in FIG. 1, the sanitary napkin 1 is divided into an excretion facing area B arranged opposite to the liquid discharge part of the wearer, and a front area A and a rear area C are arranged before and after the longitudinal direction X of the excretion facing area B. In this specification, the longitudinal direction X corresponds to the front and rear directions of the wearer, and is consistent with the length direction of the absorbent article (sanitary napkin 1), and the transverse direction Y corresponds to the width direction (orthogonal to the length direction) of the absorbent article (sanitary napkin 1). Direction) consistent. Therefore, when there is no special mention, in this specification, the length in the longitudinal direction X refers to the "length" as the distance measured in the longitudinal direction X, and the length in the transverse direction Y refers to the "length" as the distance measured in the transverse direction Y. width". The sanitary napkin 1 is formed symmetrically about the center line CL extending in the longitudinal direction X. The longitudinal direction X also refers to the direction parallel to the centerline CL. In addition, in this specification, the skin-facing surface refers to the surface of the absorbent article (sanitary napkin 1) or its constituent parts that faces the wearer's skin side when wearing the absorbent article (sanitary napkin 1), and the non-skin-facing surface refers to the absorbent article (sanitary napkin 1). The surface of the sexual article (sanitary napkin 1) or its constituent parts that faces the side opposite to the skin side (clothing side) when the absorbent article (sanitary napkin 1) is worn. The sanitary napkin 1 has: an excretion opposing area B arranged opposite to the wearer's liquid excretion part (vaginal opening, etc.) when worn, an area A arranged in front of the wearer's ventral side (front side) than the excretion opposing area B, and It is arranged in the area C behind the wearer's back side (rear side) of the excretion opposed area B. That is, the sanitary napkin 1 is divided into a front area A, an excretion facing area B, and a rear area C in this order along the longitudinal direction X. In addition, in the absorbent article of the present invention, when the excretion facing area B has wings 1W like the sanitary napkin 1 of the present embodiment, it means an area having wings 1W in the longitudinal direction X (by one wing 1W). The area between the root along the longitudinal direction X and the root along the longitudinal direction X of the other wing 1W). In addition, in the case of an absorbent article without wings, the two fold lines (not shown) that cross the absorbent article in the transverse direction Y generated when the absorbent article is folded in a three-folded single pack , The excretion relative area B refers to the area surrounded by the first and second fold lines counted from the front end of the longitudinal direction X of the absorbent article. As shown in Fig. 1, the sanitary napkin 1 of this embodiment includes: a liquid-permeable skin side sheet 2 that forms a skin-facing surface; a non-skin side sheet 3 that forms a non-skin-facing surface; and the two sheets 2 3 between the absorber 4. The absorber 4 is composed of an absorbent core 41 and a cladding wafer (not shown) that wraps the absorbent core 41. In the sanitary napkin 1, as shown in Fig. 1, the skin side sheet 2 covers the entire area of the opposite side of the skin of the absorber 4, extending from both sides of the absorber 4 along the longitudinal direction X to the lateral direction Y . On the other hand, the non-skin side sheet 3 covers the entire area of the non-skin-facing surface of the absorber 4, and extends from both sides of the skin side sheet 2 along the longitudinal direction X to the outside of the transverse direction Y, as described later The side panels 5 together form the side flap 1S. The non-skin side sheet 3 and the side sheet 5 are joined to each other on the extension part of the absorbent body 4 from the both side edges along the longitudinal direction X by a well-known joining method such as an adhesive, heat sealing, and ultrasonic sealing. In addition, each of the skin side sheet 2 and the non-skin side sheet 3 and the absorber 4 may be joined by an adhesive. In the sanitary napkin 1, the side sheets 5 are arranged on both sides along the longitudinal direction X of the skin-facing surface of the skin side sheet 2, as shown in FIG. Preferably, the side sheet 5 is arranged over the entire length of the longitudinal direction X of the skin side sheet 2 so as to overlap the left and right sides along the longitudinal direction X of the skin side sheet 2 in a plan view. In the sanitary napkin 1, a pair of side panels 5 and 5 are respectively shown in FIG. 1, and the to-be-joined part 6 is joined to the skin side panel 2. As shown in FIG. A pair of wavy joints 6 obtained by successively arranging the irregularities in the transverse direction Y generated by the curve along the longitudinal direction X in a plan view are symmetrically arranged along the transverse direction Y with the center line CL as the center. In this way, when the side panel 5 is joined to the skin side sheet 2 by the wavy joining part 6, the joining part group of the wavy joining part 6 is formed on the inner side of the transverse direction Y. The side panel 5 and the skin side The space divided by sheet 2. The space portion opens to the center line CL, so the body fluids such as menstrual blood flowing outward from the center in the lateral direction Y are contained in the space portion. As a result, the leakage of the body fluid can be effectively prevented. In the sanitary napkin 1, the side flaps 1S, as shown in FIG. 1, protrude from the excretion-opposing area B to the outside of the lateral direction Y. Therefore, a pair of wings are provided extending on the left and right sides of the sanitary napkin 1 along the longitudinal direction X. Section 1W, 1W. The wing part 1W is a part to be used by turning back to the non-skin facing side of the crotch part of clothing such as shorts. In addition, the skin side sheet 2 and the non-skin side sheet 3, as shown in FIG. Known joining methods such as heat sealing and ultrasonic sealing are joined to each other to form an end seal. In the sanitary napkin 1, as shown in FIG. 1, the skin-side sheet 2 is formed with a linear pressing groove 7 formed by integrally recessing the skin-side sheet 2 and the absorber 4 toward the non-skin-side sheet 3 side on the skin-facing surface. The "linear shape" of the linear pressing groove 7 means that the shape of the groove (depressed portion) in a plan view is not limited to a straight line, but includes a curved line. In addition, each thread may be a continuous thread or a dashed line, and the linear pressing groove 7 of the sanitary napkin 1 is constituted by a row formed by a plurality of discontinuous dot embossing. Regarding the skin-side sheet 2 and the absorbent body 4, the density of various fibers as constituent members of the linear pressing groove 7 is higher than the density of the peripheral portion of the linear pressing groove 7. The linear pressing groove 7 has a first lateral pressing groove 71 extending in the lateral direction Y in the front area A and the rear area C of the absorbent body 4, and both sides along the longitudinal direction X in the excretion facing area B of the absorbent body 4. A longitudinal pressing groove 73 extending in the longitudinal direction X. In the sanitary napkin 1, the first horizontal pressing groove 71 has a curved shape that protrudes outward in the longitudinal direction X, and the longitudinal pressing groove 73 is a curved shape that protrudes outward in the horizontal direction Y in the drainage opposing area B. The first horizontal pressing groove 71 is located on the inner side of the pair of vertical pressing grooves 73 and extends in the horizontal direction Y throughout the pair of vertical pressing grooves 73. In the sanitary napkin 1, the first horizontal pressing groove 71 in the front area A, one vertical pressing groove 73, the first horizontal pressing groove 71 in the rear area C, and the other vertical pressing groove 73 are connected to form an annular entire circumferential groove. The linear pressing groove 7 formed in this way suppresses the diffusion of body fluid in the planar direction of the absorbent body 4, and can effectively prevent the leakage of fluid from the periphery of the sanitary napkin 1. In the sanitary napkin 1, the absorbent core 41 constituting the absorbent body 4 is shown in FIG. Area 41M. The middle area 41M has a middle-high part 42. In the sanitary napkin 1, the intermediate area 41M is arranged in the excretion facing area B. More specifically, the middle area 41M of the absorbent core 41 in the sanitary napkin 1 and the excretion-opposite area B are aligned in the longitudinal direction. Therefore, in the sanitary napkin 1, the middle region 41M of the absorbent core 41 has the middle-high part 42. As shown in FIG. In addition, in the sanitary napkin 1, as shown in FIG. 2, when viewed from above, the size of the area A in the front of the sanitary napkin 1 is approximately the same as the size of the first area 41F of the absorbent core 41, and the size of the area C in the back of the sanitary napkin 1 is the same as The size of the second region 41R of the absorbent core 41 is approximately the same. When the sanitary napkin 1 has a pair of wings 1W on both outer sides in the lateral direction Y, there is an intermediate region 41M between the roots of the wings 1W arranged at intervals in the longitudinal direction X of each of the wings 1W. More specifically, the intermediate region 41M of the sanitary napkin 1 exists between the roots of the wings 1W arranged at intervals in the longitudinal direction X throughout each of the wings 1W. In addition, the size of the area A in the front of the sanitary napkin 1 is approximately the same as the size of the first area 41F of the absorbent core 41, and the size of the area C in the back of the sanitary napkin 1 is approximately the same as the size of the second area 41R of the absorbent core 41 When they are the same, the length of the middle region 41M of the sanitary napkin 1 in the longitudinal direction X is the same as the length between the roots of the wings 1W of the wings 1W arranged at intervals in the longitudinal direction X. In addition, the thickness of the middle region 41M is thicker than the thickness of the absorbent core 41 in each of the first region 41F located in front of the middle region 41M and the second region 41R located behind the middle region 41M. In the sanitary napkin 1, the absorbent core 41 has a shape that is long in the same direction as the longitudinal direction X of the sanitary napkin 1. Therefore, the longitudinal direction of the absorbent core 41 is the same as the longitudinal X direction of the sanitary napkin 1, and the lateral direction of the absorbent core 41 is the same as the transverse Y direction of the sanitary napkin 1. As shown in FIG. 4, the thickness of the middle-high portion 42 is formed to be thicker than the thickness of the first region 41F and the thickness of the second region 41R of the absorbent core 41. Preferably, in the sanitary napkin 1, the thickness of the mid-high portion 42 is formed to be thicker than the thickness of the first region 41F of the absorbent core 41, and the basis weight is formed to be higher than the basis weight of the first region 41F of the absorbent core 41. In addition, it is preferable that in the sanitary napkin 1, the thickness of the middle-high portion 42 is larger than the thickness of the second region 41R of the absorbent core 41, and the thickness is formed to be thicker, and the basis weight is formed to be larger than that of the second region 41R of the absorbent core 41. The basis weight of area 41R is high. When the groove portion 45 is formed in the first area 41F and the second area 41R, the thickness and basis weight of each of the first area 41F and the second area 41R as compared with the thickness and basis weight of the middle-high portion 42 refer to the first area The thickness and basis weight of the region 41F and the second region 41R where the groove portion 45 described later does not exist. The absorbent core 41 of the sanitary napkin 1 is provided with a difference in thickness due to the difference in the basis weight of the core material. Therefore, unlike the case where a part of the absorbent core with a uniform basis weight is pressed and the thickness difference is provided, the entire absorbent core 41 is soft. From the viewpoint of making the middle-high part 42 protrude to the skin and improving the liquid absorption of the absorbent core 41, the thickness of the middle-high part 42 is preferably the thickness of the first region 41F and the second region 41R of the absorbent core 41 120% (ie, 1.2 times) or more, more preferably 140% or more, more preferably 700% or less, more preferably 500% or less, in addition, from the viewpoint of self-wearing to the body or suppressing discomfort From a standpoint, it is preferably 120% or more and 700% or less, and more preferably 140% or more and 500% or less. In addition, the thickness difference between the thickness of the middle-high portion 42 and the thickness of the first region 41F or the second region 41R (the former-the latter) is preferably 1.0 mm or more, more preferably 2.0 mm or more, and more preferably 8.0 mm or less, It is more preferably 6.0 mm or less, more preferably 1.0 mm or more and 8.0 mm or less, and more preferably 2.0 mm or more and 6.0 mm or less. The above-mentioned structure is particularly effective when it is provided in the excretion-opposing area B in the middle-high part 42 like the sanitary napkin 1 of this embodiment. In addition, the thickness of the middle-high portion 42 is preferably 2.0 mm or more, more preferably 3.0 mm or more, more preferably 10.0 mm or less, more preferably 7.0 mm or less, and more preferably 2.0 mm or more and 10.0 mm or less, More preferably, it is 3.0 mm or more and 7.0 mm or less. In addition, it is preferable to have the above-mentioned relationship of thickness in the entire range of the middle-high part 42. When there is an increase or decrease in the thickness direction of the middle-high part 42, it is only necessary that the thickest part has the above-mentioned relation. In addition, it is preferable that the entire range of the middle-high portion 42 has the above-mentioned thickness relationship, but when the thickness direction of the middle-high portion 42 is provided with a gradual increase or decrease in thickness in the transverse Y or longitudinal X or both directions, As long as the thickest part becomes the above relationship. In addition, the thickness of the first region 41F or the second region 41R is preferably 0.5 mm or more, more preferably 1.0 mm or more, in addition, preferably 7.0 mm or less, more preferably 3.5 mm or less, and more preferably 0.5 mm Above and 7.0 mm or less, more preferably 1.0 mm or more and 3.5 mm or less. Preferably, in the sanitary napkin 1, the thickness of the first region 41F or the second region 41R is formed substantially uniformly when there is no part of the groove 45 described later, but in the transverse direction Y or of the first region 41F or the second region 41R When there is a gradual increase and decrease in thickness in the longitudinal direction X, it is only necessary that the thickest part becomes the above-mentioned relationship. The thickness of each part of the absorptive core 41, such as the middle-high part 42, the 1st region 41F or the 2nd region 41R, the middle-high adjacent part 44 mentioned later, is measured by the following method. <Method for measuring the thickness of each part of the absorbent core 41> The absorbent core is allowed to stand at a horizontal position without wrinkles or bends, and cut out from the absorbent core 41 as the mid-high part 42 and the first part of the object to be measured. A region 41F or a second region 41R, etc. Then, measure the thickness of the cut out object under a load of 5 cN/cm 2. Specifically, for the measurement of thickness, for example, a thickness meter PEACOCK DIAL UPRIGHT GAUGES R5-C (manufactured by OZAKI MFG. CO. LTD.) is used. At this time, between the front end of the thickness gauge and the cut-out measurement object, a circular or square board (acrylic board with a thickness of about 5 mm), which has been adjusted in size from the top view, is placed with a load of 5 cN/cm 2. Determine the thickness. When measuring the thickness of the first region 41F or the second region 41R of the absorptive core 41, the measurement is performed so as not to include the groove portion 45 described later. In the sanitary napkin 1, it is preferable that the basis weight of the middle and high part 42 of the absorbent core 41 is 100 g/m 2 or more, more preferably 200 g/m 2 or more, more preferably 1500 g/m 2 or less, more preferably 1200 g/m 2 or less, specifically, preferably 100 g/m 2 or more and 1500 g/m 2 or less, more preferably 200 g/m 2 or more and 1200 g/m 2 or less. In addition, the basis weight of the first region 41F or the basis weight of the second region 41R of the absorbent core 41 is preferably 50 g/m 2 or more, more preferably 100 g/m 2 or more, and more preferably 1000 g/m 2 m 2 or less, more preferably 900 g/m 2 or less, specifically, preferably 50 g/m 2 or more and 1000 g/m 2 or less, more preferably 100 g/m 2 or more and 900 g/m 2 the following. The basis weight of the first region 41F or the basis weight of the second region 41R is obtained by cutting out the first region 41F or the second region 41R as described in the above-mentioned method for measuring the thickness of each part of the absorbent core 41 The quality of the sample is divided by the area of the surface on the opposite side of the skin of the sample. When measuring the basis weight of the first region 41F of the absorbent core 41 or the basis weight of the second region 41R, etc., the measurement is performed so that the groove portion 45 described later is not included. In the sanitary napkin 1, when the mid-high portion 42 has the absorbent core 41 in a plan view, the length of the transverse Y orthogonal to the longitudinal X of the absorbent core 41 is the largest and largest width portion. The length of the transverse Y of the sex core 41 is the same. Preferably, the middle-high portion 42 is shown in FIG. 2. When the absorbent core 41 is provided in a plan view, the maximum width portion of the middle-high portion 42 extends along the two sides of the absorbent core 41 along the longitudinal direction X by a predetermined length in the longitudinal direction X. The middle and high central part 421 is formed. In other words, the middle-high center portion 421 extends in a belt shape between the side edges 41s, 41s along the longitudinal direction X of the absorbent core 41, and the middle-high center portion 421 has a middle-high portion 42 over the entire length of the longitudinal direction X of the belt-shaped middle-high center portion 421. The above-mentioned maximum width part. The length of the transverse direction Y of the maximum width part of the middle-high center part 421 is the same as the width of the absorbent core 41. In addition, the width of the absorbent core 41 here refers to the width of the absorbent core 41 including the mid-high portion 42. That is, when the mid-high portion 42 is cross-sectionally viewed in the lateral direction Y, the height position of the surface of the adjacent first region 41F and the second region 41R on the skin-contact surface side is compared, as long as the mid-high portion 42 is located on the skin-contact surface side. The width (skin side width) of the mid-high portion 42 located on the non-skin contact surface side (non-skin side width) is the same or greater, and the maximum width of the mid-high portion 42 is the same as the width of the absorbent core 41. However, the maximum width portion of the middle-high portion 42 is preferably substantially the same width on the skin side and the non-skin side width, and is particularly preferably substantially uniform in the thickness direction. In order to exhibit sufficient absorption performance even when the absorbent article is worn in a slightly shifted state, the absorbent core 41 is preferably as large as possible in the area of the middle-high center portion 421. From this point of view, the mid-height central portion 421 is at the maximum width portion, preferably a fixed interval between the side edges 41s, 41s of the absorbent core 41 along the longitudinal direction X, and more preferably the side edges 41s, 41s, respectively It is parallel to the longitudinal direction X and is linear. However, due to the positional deviation of the horizontal Y of the middle and high part 42 of the absorbent core 41 during manufacture, the defect of the middle and high part 42, the draft angle of the model caused by the production method, the round or chamfer at the end, etc., the middle and high As long as the width of the portion 42 and the width of the absorbent core 41 are slightly different, for example, as long as the difference is within a range of about 5% of the width of the maximum width portion, it is regarded as the same width. The maximum width refers to the distance at the longest position in the horizontal Y. In addition, in FIG. 2, the length of the maximum width portion of the mid-high portion 42 in the horizontal direction Y in the horizontal direction Y is the same as the maximum length of the middle region 41M of the absorbent core 41 in the horizontal direction Y, which is the same as the maximum length in the horizontal direction Y of the absorbent core 41 The length is the same. The middle-high center portion 421 of the middle-high portion 42 is formed in the sanitary napkin 1 in a cross-sectional view as shown in FIG. That is, the height of the center portion arranged on the center line CL extending in the longitudinal direction X of the middle-high center portion 421 is formed to be the highest. When the middle-high center portion 421 is formed in this way, the absorption of the liquid in the excretion opposed area B can be improved. The middle-high center portion 421 of the middle-high portion 42 is formed in the sanitary napkin 1 in a cross-sectional view as shown in FIG. . That is, the basis weight of the center portion arranged on the center line CL along the longitudinal direction X of the middle and high center portion 421 is formed to be the largest. When the middle-high center portion 421 is formed in this way, the absorptivity of the liquid in the excretion opposed area B can be improved. The mid-height central portion 421 of the sanitary napkin 1 is cross-sectionally viewed as shown in FIG. /T2), from the viewpoint of close contact between the middle and high part and the excretion part as much as possible, it is preferably 1.1 or more, particularly preferably 1.3 or more. In addition, from the viewpoint that it is not easy to impart discomfort when wearing, it is more It is preferably 4 or less, particularly preferably 3 or less, specifically, preferably 1.1 or more and 4 or less, and particularly preferably 1.3 or more and 3 or less. In addition, the mid-to-high portion 42 is a form that does not have a recessed portion with a basis weight lower than that of the first region 41F and the second region 41R of the absorbent core 41 on the skin contact surface side. Here, when the first area 41F and the second area 41R have the groove portion 45, the basis weight of the first area 41F and the second area 41R refers to the basis weight of the portion other than the groove portion 45. When there are recesses with a low basis weight on the skin contact surface side of the middle and high parts 42, the sanitary napkin 1 is prone to accidental wrinkles or bending. If the low-basis-weight concave portion is the case where the skin contact surface of the middle-high portion 42 spans the longitudinal groove portion of the middle-high portion 42 in the longitudinal direction X, the middle-high portion 42 is easily divided in the width direction due to the longitudinal groove, which is not only easy to be vertical when worn The groove portion is the starting point, and wrinkles along the longitudinal direction are generated in the sanitary napkin 1, and the absorbent core may be split due to the movement of the wearer of the sanitary napkin 1 based on the longitudinal groove portion. When the absorbent core is divided in this way, a gap is likely to be formed between the sanitary napkin 1 and the body, or the absorption capacity is significantly reduced, which causes the so-called liquid leakage. In addition, the middle-high portion 42 includes a front-side convex portion 422 or a rear-side convex portion 423 from the middle-high central portion 421 toward the front area A side or the rear area C side, and the length in the lateral direction Y is narrower than the above-mentioned maximum width portion of the middle-high portion 42. In other words, when the mid-high portion 42 looks down on the absorbent core 41 as shown in FIG. 2, it has at least a front side convex portion 422 that protrudes from the longitudinal X front end of the mid-high center portion 421 toward the first region 41F side, and a self-centered height The longitudinal X rear end of the central portion 421 protrudes to the second region 41R side by any one of the rear convex portions 423. In the sanitary napkin 1, the middle-high portion 42 has a front convex portion 422 and a rear convex portion 423. That is, in the sanitary napkin 1, the middle-high portion 42 is divided into a front convex portion 422, a middle-high central portion 421, and a rear convex portion 423. In the sanitary napkin 1, as shown in FIG. 2, the absorbent core 41 has one front convex part 422 arranged at the front end of the middle-high central part 421, and one rear convex part 423 is arranged at the rear end of the middle-high central part 421. . In the front convex portion 422, the top portion 422t of the front convex portion 422 is arranged on the center line CL extending along the longitudinal direction X, forming the two sides 422s and 422s of the front convex portion 422 from the top portion 422t to the absorbent core 41. The side edge 41s along the longitudinal direction X extends in a linear shape. The rear convex portion 423 is the same as the front convex portion 422. The top 423t of the rear convex portion 423 is arranged on the center line CL extending along the longitudinal direction X, forming the two sides 423s and 423s of the rear convex portion 423 from the top 423t. It extends to the side edge 41s of the absorbent core 41 along the longitudinal direction X. In the sanitary napkin 1, as shown in FIG. 2, the front side convex portion 422 and the rear side convex portion 423 of the absorbent core 41 are respectively directed from both sides along the longitudinal direction X to the top portion 422t located in the center portion of the transverse direction Y, 423t and its width d gradually decreases. Preferably, it is the front side convex portion 422 of the absorbent core 41 of the sanitary napkin 1, and the interval (width d) between the side edges 422s and 422s is from the side edges 41s and 41s of the absorbent core 41 along the longitudinal direction X toward the top 422t and gradually reduced. Similarly, in the rear side convex portion 423 of the absorbent core 41 of the sanitary napkin 1, the interval (width d) between the side edges 423s, 423s is from the side edges 41s, 41s of the absorbent core 41 along the longitudinal direction X toward the top 423t And gradually decrease. Here, the gradual decrease of the width d means that the width d gradually decreases toward the top portions 422t and 423t. In the absorbent core 41 of the sanitary napkin 1, when the front convex portion 422 among the front convex portion 422 and the rear convex portion 423 is taken as an example for description, the side edges 422s and 422s respectively extend straight without bending. From the viewpoint of improving the fit to the body shape and the followability during exercise, the angle α formed by one side 422s and the center line CL extending in the longitudinal direction X is preferably 20° or more, more preferably 30° or more And, it is preferably 75° or less, more preferably 60° or less, specifically, preferably 20° or more and 75° or less, more preferably 30° or more and 60° or less. The rear convex portion 423 is also the same as the front convex portion 422. The full length L2 of the longitudinal direction X of the mid-high portion 42 is preferably 25% or more of the full length L1 of the longitudinal X of the absorbent core 41, more preferably 30% or more, more preferably 90% or less, more preferably 75% or less In addition, it is preferably 25% or more and 90% or less, more preferably 30% or more and 75% or less. In addition, the full length L1 refers to the distance at the longest position in the longitudinal direction X of the absorbent core 41, and the full length L2 refers to the distance at the longest position in the longitudinal direction X of the middle-high part 42. The overall length L3 of the longitudinal direction X of the middle-high central part 421 constituting the middle-high part 42 is preferably 20% or more of the overall length L2 of the middle-high part 42, more preferably 30% or more, and more preferably 80% or less, more preferably 70% Hereinafter, in addition, it is preferably 20% or more and 80% or less, and more preferably 30% or more and 70% or less. The full length L4 of the longitudinal direction X of the front side convex portion 422 constituting the middle-high portion 42 is preferably 5% or more of the full length L2 of the middle-high portion 42, more preferably 10% or more, more preferably 50% or less, more preferably 30 % Or less, and more preferably 5% or more and 50% or less, more preferably 10% or more and 30% or less. The total length of the longitudinal X of the rear convex portion 423 constituting the middle and high portion 42 is also the same as the total length L4 of the longitudinal X of the front convex portion 422. In addition, the total length L4 refers to the distance at the longest position in the longitudinal direction X of the front convex portion 422. In the sanitary napkin 1, as shown in FIG. 2, the absorbent core 41 has a middle-high boundary groove portion 43 in the middle region 41M that divides the middle-high portion 42 and the portion other than the middle-high portion 42. The middle-high boundary groove portion 43 in the sanitary napkin 1 has a front middle-high boundary groove portion 43a extending along both sides 422s and 422s forming the front side convex portion 422 of the middle-high portion 42, and a front middle-high boundary groove portion 43a along which the rear side convex portion 423 is formed. The two sides 423s and 423s extend the rear middle and high boundary groove portion 43c. The front middle-high boundary groove portion 43a and the rear middle-high boundary groove portion 43c are formed over the entire length (full width) of the horizontal direction Y of the absorbent core 41. Therefore, for the force from the legs acting on the inner side of the width direction of the absorbent core 41, longitudinal wrinkles are not easily generated in the longitudinal direction of the sanitary napkin 1, and the sanitary napkin 1 is easy to fit three-dimensionally along the shape of the body. In this way, the absorptive core 41 is bounded with the middle-high portion 42 by the front middle-high boundary groove portion 43a and the rear middle-high boundary groove portion 43c. In the sanitary napkin 1, the groove width of the high boundary groove portion 43 in the absorbent core 41 is preferably 0.1 mm or more, more preferably 0.5 mm or more, from the viewpoint of improving the absorption of liquid in the excretion relative area B, etc. In addition, it is preferably 5.0 mm or less, more preferably 3.0 mm or less, and more preferably 0.1 mm or more and 5.0 mm or less, and more preferably 0.5 mm or more and 3.0 mm or less. In addition, the groove width of the middle-high boundary groove portion 43 and the thickness described later are cut in a direction orthogonal to the direction in which the middle-high boundary groove portion 43 extends, and are measured from a photograph of the cut surface. In the sanitary napkin 1, the thickness of the absorbent core 41 at the mid-high boundary groove portion 43 is preferably 0.08 mm or more, more preferably 0.15 mm or more, from the viewpoint of improving the absorption of liquid in the excretion relative area B, etc. , Preferably 7.0 mm or less, more preferably 3.5 mm or less, in addition, preferably 0.08 mm or more and 7.0 mm or less, more preferably 0.15 mm or more and 3.5 mm or less. In the sanitary napkin 1, the middle-high boundary groove portion 43 is formed to be lower than the basis weight of the middle-high portion 42, and the basis weight is formed to be lower than the basis weight of the first region 41F and the second region 41R of the absorbent core 41. Here, the basis weight of the first region 41F and the basis weight of the second region 41R, when the groove portion 45 is provided, refer to the basis weight of the portion other than the groove portion 45. The basis weight of the middle-high boundary groove portion 43 is preferably 10 g/m 2 or more, more preferably 20 g/m 2 or more, and more preferably 350 g/m 2 or less, more preferably 250 g/m 2 or less, Specifically, it is preferably 10 g/m 2 or more and 350 g/m 2 or less, and more preferably 20 g/m 2 or more and 250 g/m 2 or less. In addition, the basis weight of the middle-high boundary groove portion 43 is obtained by dividing the quality of the sample cut out of the middle-high boundary groove portion 43 as described in the above-mentioned method for measuring the thickness of each portion of the absorbent core 41. Calculate the area of the surface on the opposite side of the skin of the sample. In the sanitary napkin 1, the absorbent core 41 is as shown in FIG. That is, in the sanitary napkin 1, the middle region 41M of the absorbent core 41 includes the middle-high portion 42, the middle-high boundary groove portion 43, and the middle-high adjacent portion 44. The middle-high adjacent portion 44 in the middle region 41M has a middle-high adjacent portion 44a arranged on the front side of the first region 41F adjacent to the front-side convex portion 422 of the constituting middle-high portion 42, and a middle-high adjacent portion 44a arranged behind the constituting middle-high portion 42 The middle and high adjacent portion 44c on the rear side of the second region 41R adjacent to the square-side convex portion 423. The front mid-high adjacent portion 44a is formed bilaterally symmetrically with respect to the center line CL extending in the longitudinal direction X. The front mid-high adjacent portion 44a is closer to one half of the side edge 41s of the absorbent core 41 along the longitudinal direction X than the center line CL, and the length of the longitudinal direction X gradually decreases from the side edge 41s toward the center line CL. Way to form. The rear mid-high adjacent portion 44c is the same as the front mid-high adjacent portion 44a, and is formed symmetrically about the center line CL extending in the longitudinal direction X. The rear mid-high adjacent portion 44c is closer to one half of the side edge 41s of the absorbent core 41 along the longitudinal direction X than the center line CL, and the length of the longitudinal direction X gradually decreases from the side edge 41s toward the center line CL. Way to form. In the sanitary napkin 1, as shown in FIG. 4, the middle-high adjacent portion 44 is formed to have a thickness larger than that of the middle-high boundary groove portion 43 and smaller than the thickness of the middle-high portion 42 of the absorbent core 41. In addition, from the viewpoint of the followability to body motion, the middle-high adjacent portion 44 preferably has a thickness equal to or smaller than the thickness of the first region 41F and the thickness of the second region 41R. In addition, from the viewpoint of the strength of the absorbent core 41 during repeated deformation for body movement, the thickness of the mid-high adjacent portion 44 may also be greater than the thickness of the first region 41F and the thickness of the second region 41R. The thickness of the middle-high adjacent portion 44 is preferably 0.5 mm or more, more preferably 1.0 mm or more, preferably 10.0 mm or less, more preferably 7.0 mm or less, and more preferably 0.5 mm or more and 10.0 mm or less, more preferably It is 1.0 mm or more and 7.0 mm or less. The thickness of the mid-to-high adjacent portion 44 is measured according to the above-mentioned measuring method of the thickness of each part of the absorbent core 41. In the sanitary napkin 1, the middle-high adjacent portion 44 is formed such that its basis weight is smaller than the basis weight of the middle-high portion 42 of the absorbent core 41 and is larger than the basis weight of the middle-high boundary groove portion 43. In addition, from the point of view of the followability to body motion, it is preferable that the basis weight of the mid-high adjacent portion 44 is the same as or higher than the basis weight of the first region 41F and the second region 41R of the absorbent core 41. Its small. In addition, from the viewpoint of the strength of the absorbent core 41 during repeated deformation for body movement, the basis weight of the mid-high adjacent portion 44 may also be larger than the basis weight of the first region 41F and the basis weight of the second region 41R. Here, the basis weight of the first region 41F and the basis weight of the second region 41R, when the groove portion 45 is provided, refer to the basis weight of the portion other than the groove portion 45. The basis weight of the middle-high adjacent portion 44 is preferably 20 g/m 2 or more, more preferably 50 g/m 2 or more, and more preferably 800 g/m 2 or less, more preferably 700 g/m 2 or less, Specifically, it is preferably 20 g/m 2 or more and 800 g/m 2 or less, and more preferably 50 g/m 2 or more and 700 g/m 2 or less. In addition, the basis weight of the middle-high adjacent portion 44 is obtained by dividing the quality of the sample of the middle-high adjacent portion 44 as described in the above-mentioned method for measuring the thickness of each part of the absorbent core 41 by the skin relative to the sample. Calculate the area of the surface on the side of the surface. In the sanitary napkin 1, the first region 41F and the second region 41R of the absorbent core 41 are respectively shown in FIG. Preferably, the groove portion 45 includes a longitudinal groove 45X extending in the longitudinal direction X and a lateral groove 45Y extending in the transverse direction Y. Furthermore, the longitudinal grooves 45X extending in the longitudinal direction X are arranged at a certain interval in the transverse direction Y, and the horizontal grooves 45Y extending in the transverse direction Y are arranged at a predetermined interval in the longitudinal direction X. The small absorption part 46 is arrange|positioned at the position of the hole of the lattice divided by the vertical groove 45Y and the horizontal groove 45X. The thickness and basis weight of the first region 41F and the second region 41R mentioned above refer to the thickness and basis weight of the small absorbing part 46. In the sanitary napkin 1, the first area 41F and the second area 41R have grooves 45 and small absorbent portions 46, and the middle area 41M has an absorbent core with a middle-high portion 42, a middle-high boundary groove portion 43, and a middle-high adjacent portion 44 All of 41 are formed in one piece. "Integral molding" is different from the combination of bonding methods such as adhesives or pressing, and refers to the use of the same material to form a single process. The absorbent core 41 of the above-mentioned sanitary napkin 1 can be used, for example, as shown in FIG. 54. The outer periphery of 54 is supplied with a fiber stacking device in which the core material is supplied in a scattered state (not shown). The accumulation recesses 55 are formed in a plurality at regular intervals in the circumferential direction of the outer circumferential surface of the fiber accumulation drum 54. The bottom surface 56 of the gathering recess 55 is made of a mesh plate or the like, and has a plurality of pores that function as suction holes. In addition, as shown in FIG. 5(a), one recess 56b for forming the middle region 41M of the absorbent core 41 is formed in a part of the bottom surface 56 of the one gathering recess 55. In addition, a first air-permeable member 57 for forming a middle-high boundary groove portion 43 that divides the middle-high portion 42 and the middle-high adjacent portion 44 is arranged on the bottom surface of the concave portion 56b. The first difficult member 57 is arranged at a position corresponding to the middle-high boundary groove portion 43, and is fixed so as to protrude from the bottom surface of the recessed portion 56b. In addition, a second impermeable member 58 for forming the groove 45 is arranged on the bottom surface 56 of the upstream side region and the downstream side region in the rotation direction R adjacent to the recessed portion 56b. The second air-permeable member 58 is arranged at a position corresponding to the vertical groove 45Y and the horizontal groove 45X, and is fixed so as to protrude from the bottom surface 56 of the gathering recess 55. The first hard-to-air-permeable component 57 and the second hard-to-air-permeable component 58 may also be non-air-permeable components, for example, made of metal, plastic, ceramic, or the like. Similar to the known fiber stacking device with a fiber stacking drum, the core material obtained by mixing the water-absorbent polymer and pulp fiber is supplied into the pipe while sucking from the bottom surface of the gathering recess 55, as shown in Figure 5(b) As shown in ), the core material is accumulated in the gathering recess 55 in a predetermined shape. By detaching the deposit 40 from the concavity 55 for aggregation, a precursor of the absorbent core 41 is obtained. After the precursor of the absorbent core 41 is covered with a cladding wafer (not shown), it is cut by a rotary cutter or the like, and is conveyed in the conveying direction by conveying equipment such as a belt conveyor. In this way, the absorbent core 41 is obtained. The thus obtained absorbent core 41 covered with a cladding wafer (not shown) is appropriately compressed by being compressed in whole or in part by a single time or multiple times between a pair of rollers. As a result, the portion deposited in the recessed portion 56b becomes the mid-high portion 42 with a relatively large basis weight and thickness. Similarly, the portion composed of the core material deposited in the upstream and downstream regions adjacent to the recessed portion 56b becomes the first region 41F and the second region 41R of the absorbent core 41 having a relatively small basis weight. In addition, the portion composed of the core material deposited on the first impermeable member 57 of the recessed portion 56b becomes the middle-high boundary groove portion 43 relatively smaller than the basis weight of the first region 41F and the basis weight of the second region 41R. The portion formed by the core material deposited on the second hard-air-permeable member 58 in the upstream and downstream regions adjacent to the recessed portion 56b becomes a groove portion 45 with a relatively small basis weight of the smaller absorbent portion 46. The forming materials of the respective constituent members of the sanitary napkin 1 of the present embodiment described above will be described. The skin side sheet 2 that forms the opposite side of the skin is composed of a liquid-permeable material containing thermoplastic synthetic resin. For example, it is preferable to use fibers such as hot-air fiber nonwoven fabric, spunbonded nonwoven fabric, and dot-bonded nonwoven fabric. Spinning cloth. Examples of thermoplastic resins include olefin-based polymers such as ethylene and propylene, and polyethylene terephthalate, but are not limited to these. The skin side sheet 2 preferably has a basis weight of 10 to 100 g/m 2 and a thickness of 0.5 to 5.0 mm, for example. In addition, the skin side sheet 2 can be used in the same technical field as the raw materials currently used in this technical field without any particular limitation, and a perforated film or the like can also be used. The non-skin side sheet 3 is made of materials that are impermeable or impermeable and contain thermoplastic synthetic resin. For example, a synthetic resin film, a laminate of a synthetic resin film and a non-woven fabric, or spunbond-meltblown can be used -Spunbond laminated fiber nonwoven fabrics, hot air fiber nonwoven fabrics, point-bonded fiber nonwoven fabrics, spunbonded fiber nonwoven fabrics and other non-woven fabrics with high water pressure resistance and water repellency, but are not limited to these and may not be particularly limited The raw materials used in this technical field are the same as those currently used. The non-skin side sheet 3 preferably has a basis weight of 10 to 50 g/m 2 and a thickness of 8 to 200 μm, for example. The core material of the absorbent core 41 includes a fiber assembly composed of fiber materials such as pulp fibers. As the fiber material, various materials currently used in absorbent articles such as menstrual sanitary napkins, sanitary pads, disposable diapers, etc. can be used without particular restrictions. For example, fibers such as pulp fibers, rayon fibers, and cotton fibers can be used. Short fibers of plain fibers or short fibers of synthetic fibers such as polyethylene. These fibers can be used singly or in combination of two or more. In addition, the fibrous material is preferably all or part of pulp fibers, and the proportion of the pulp fibers in the fibrous material is preferably 50-100% by mass, more preferably 80-100% by mass, and still more preferably 100% by mass. In addition, the absorbent core 41 may contain a water-absorbent polymer. As the water-absorbing polymer, for example, sodium polyacrylate, (acrylic acid-vinyl alcohol) copolymer, sodium polyacrylate crosslinked body, (starch-acrylic acid) graft copolymer, (isobutylene maleic anhydride) copolymer, and the Saponification, polyaspartic acid, etc. Containing water-absorbent polymer, it can absorb more stably and quickly, and maintain a large amount of excretion such as blood. Moreover, you may mix|blend a deodorant, an antibacterial agent, etc. in the absorptive core 41 as needed. Examples of the cladding wafer (not shown) covering the absorbent core 41 include tissue paper, water-permeable non-woven fabric, and the like. The absorber 4 is formed by covering the upper and lower surfaces of the absorbent core 41 with a cladding wafer (not shown). The cladding chip (not shown) is used for the purpose of preventing leakage of the forming material of the absorbent core 41 or improving the shape retention of the absorbent core 41. Preferably, it is between the covering wafer (not shown) on the skin-facing side of the absorbent core 41 and the skin side sheet 2, and the covering wafer (not shown) on the non-skin-facing side of the absorbent core 41 ) And the non-skin side sheet 3 are joined to each other by an adhesive applied in patterns such as dots, spirals, and strips. As the side sheet 5, various sheets currently used in the technical field can be used without particular limitation. For example, a liquid-impermeable or water-repellent resin film, a laminate of a resin film and a non-woven fabric, etc. can be used. As other materials, for example, spunbonded nonwoven fabrics, spunbonded nonwoven fabrics (S) and meltblown nonwoven fabrics (M) composited sheets (such as SM, SMS, SMMS, etc.), hot rolled nonwoven fabrics Water-repellent (hydrophobic) non-woven fabrics such as woven fabrics and hot-air non-woven fabrics. The joining part 6 which joins the side sheet 5 and the skin side sheet 2 can be formed according to a normal method by heat-sealing processing. The linear pressing groove 7 (the first horizontal pressing groove 71, the second horizontal pressing groove 72 and the vertical pressing groove 73) can be processed by pressing with or without heat (so-called embossing) or ultrasonic embossing Iso-embossing is formed according to the usual method. The effect of the above-mentioned sanitary napkin 1 of the present embodiment will be described. As shown in Figures 1 to 2, the sanitary napkin 1 has a middle-high portion 42 in the middle region 41M of the absorbent core 41. The middle-high portion 42 is shown in FIG. The length of is the largest and largest width portion, and the length of the transverse direction Y of the largest width portion is the same as the length of the transverse direction Y of the middle region 41M of the absorbent core 41. Therefore, even if the sanitary napkin 1 as an absorbent article is worn in a slightly offset state, it is not easy to cause discomfort to the wearer due to its excellent conformability to the body shape, and it is not easy to produce discomfort between it and the wearer’s skin. The gap can show sufficient absorption performance. In particular, in the sanitary napkin 1, the above-mentioned maximum width portion extends along the both side edges of the absorbent core 41 in the longitudinal direction X and extends in the longitudinal direction X with a predetermined length to form a mid-height central portion 421. Therefore, it is possible to increase the amount of excretion absorbed, and it can also be used when the sanitary napkin 1 as an absorbent article is worn in a slightly offset state, or for body movements during wearing or body posture at bedtime, etc. Shows sufficient absorption performance. In addition, the middle-high portion 42 has at least a middle-high central portion 421 and a front end portion of the longitudinal X from the middle-high central portion 421 protruding to the first region 41F side when viewed from above as shown in FIG. The longitudinal X rear end portion of the portion 421 protrudes to the second region 41R side by any one of the rear side convex portions 423. Therefore, even if the sanitary napkin 1 is worn in a slightly offset state, as long as the middle-high portion 42 has any one of the front side convex portion 422 and the rear side convex portion 423, it is necessary for the transverse direction Y from the two thighs to the sanitary napkin 1 The force of the inside is deformed by the front convex portion 422 and the rear convex portion 423, so that the middle-high portion 42 has excellent followability to the body shape, and it is unlikely to cause discomfort to the wearer. In addition, even if the sanitary napkin 1 is worn in a slightly offset state, as long as the mid-high portion 42 has any one of the front side convex portion 422 and the rear side convex portion 423, a gap will not easily occur between it and the wearer’s skin. , Can show sufficient absorption performance. In this way, the fit of the sanitary napkin 1 to the body can be maintained, and liquid leakage is unlikely to occur. In the sanitary napkin 1, in particular, the mid-high portion 42 has both the front convex portion 422 and the rear convex portion 423, and therefore, the above-mentioned effect can be further exhibited. In addition, in the sanitary napkin 1, as shown in FIG. 2, the front side convex portion 422 and the rear side convex portion 423 of the absorbent core 41 are respectively directed from both sides along the longitudinal direction X to the top portions 422t and 423t located in the central portion of the lateral direction Y. The width d gradually decreases. Therefore, even if the sanitary napkin 1 is worn in a slightly offset state, the followability to the body shape is better, and it is less likely to cause discomfort to the wearer. In addition, as shown in FIG. 2, the sanitary napkin 1 has a middle-high boundary groove 43 in the middle region 41M of the absorbent core 41 that divides the middle-high part 42 and the part other than the middle-high part 42. The middle-high boundary groove portion 43 is formed to be lower than the basis weight of the middle-high portion 42 and the basis weight is lower than the basis weight of the first region 41F and the second region 41R of the absorbent core 41. Therefore, it is easy to bend with the middle-high boundary groove portion 43 as a starting point, and it is not easy to cause discomfort to the wearer. In addition, the middle-high boundary groove portion 43 is formed over the entire length of the horizontal Y of the absorbent core 41, so that the lateral edge portion of the absorbent core 41 in the width direction is also easy to bend in accordance with the body shape or movement of the wearer. Improve further. In addition, as shown in FIG. 2, the sanitary napkin 1 has, in the middle region 41M of the absorbent core 41, a front middle-high adjacent portion 44a, which is arranged on the front side of the first region 41F adjacent to the front-side convex portion 422 constituting the middle-high portion 42. And the middle-high adjacent portion 44c arranged on the rear side of the second region 41R adjacent to the rear-side convex portion 423 constituting the middle-high portion 42. Furthermore, the thickness of the middle-high adjacent portion 44 is equal to or smaller than the thickness of the first region 41F of the absorbent core 41 and the thickness of the second region 41R, and is formed to be smaller than the thickness of the middle-high portion 42. Therefore, even if the sanitary napkin 1 is worn in a slightly offset state, it is not easy to create a gap between the sanitary napkin 1 and the wearer's skin, and sufficient absorption performance can be exhibited. In the sanitary napkin 1, the basis weight of the middle-high adjacent portion 44 is formed to be smaller than the basis weight of the first region 41F and the second region 41R of the absorbent core 41, and is larger than the basis weight of the middle-high boundary groove portion 43, so It can further achieve the effect of reducing the discomfort of the wearer among the above-mentioned effects. In addition, especially when the sanitary napkin 1 is worn for a long time, the sanitary napkin 1 is repeatedly deformed due to body movement, and the middle-high adjacent part 44 may be damaged and the absorption performance may be damaged. The thickness of the middle-high adjacent part 44 The thickness of the first region 41F and the second region 41R of the absorbent core 41 can also be greater. In addition, due to body movement and repeated deformation, when the middle-high adjacent portion 44 is damaged and the absorption performance is impaired, the basis weight of the middle-high adjacent portion 44 can also be higher than that of the first region 41F and the second region of the absorbent core 41. The basis of 41R is heavy. In addition, as shown in FIG. 2, the sanitary napkin 1 has a groove 45 and a small absorbent portion 46 in the first region 41F and the second region 41R of the absorbent core 41, so it is easy to bend from the groove 45 and is not easy to wear The person brings discomfort. Above, the present invention has been described based on its preferred embodiments, but the absorbent article of the present invention is not limited at all by the sanitary napkin 1 of this embodiment, and can be changed as appropriate. For example, in the front side convex portion 422 of the absorbent core 41 of the sanitary napkin 1, as shown in FIG. The width d of the front convex portion 422 continuously and gradually decreases from the side edge 41s of the absorptive core 41 along the longitudinal direction X toward the top portion 422t, but as long as the width d of the front convex portion 422 Simple gradual reduction can also be gradually reduced in stages. The front convex portion 422 extends straight in a straight line, and the width d of the front convex portion 422 continuously gradually decreases from the side edges 41s and 41s of the absorbent core 41 along the longitudinal direction X toward the top portion 422t, thereby eliminating In addition to the improvement in body fit, it is also preferable in terms of improvement in release properties when detached from the above-mentioned gathering recessed portion 55 of the above-mentioned fiber accumulation device. Hereinafter, as an example in which the width d of the front convex portion 422 gradually decreases, examples shown in FIGS. 6(a) to 6(e) will be described. The same is true for the rear convex portion 423. The front side convex portion 422 of the absorbent core 41 shown in FIG. 6(a) is formed to form a curve with a constant radius of curvature from the side edge 41s of the absorbent core 41 along the longitudinal direction X toward the top portion 422t. Due to the shape protruding toward the top 422t, the width d of the front convex portion 422 gradually decreases. Next, the front side convex portion 422 of the absorbent core 41 shown in FIG. 6(b) extends from the side edge 41s of the absorbent core 41 along the longitudinal direction X toward the top portion 422t, and the side edge 422s is formed as a straight line bent in the middle. Due to the shape protruding toward the top 422t, the width d of the front convex portion 422 gradually decreases. Next, the front side convex portion 422 of the absorbent core 41 shown in FIG. 6(c) is formed from the side edge 41s of the absorbent core 41 along the longitudinal direction X toward the top portion 422t to form a plurality of curves with different radii of curvature. Due to the shape protruding toward the top portion 422t, the width d of the front convex portion 422 gradually decreases in steps. Next, the front side convex portion 422 of the absorbent core 41 shown in FIG. 6(d) is formed from the side edge 41s of the absorbent core 41 along the longitudinal direction X toward the top 422t, and the side edge 422s is formed in a straight line to the middle, from A curve with a constant radius of curvature is formed from the middle. Due to the shape protruding toward the top 422t, the width d of the front convex portion 422 gradually decreases. Next, the front side convex portion 422 of the absorbent core 41 shown in FIG. 6(e) extends from the side edge 41s of the absorbent core 41 along the longitudinal direction X toward the top 422t, and the absorbent core 41 shown in FIG. 6(d) The front side convex portion 422 is opposite, and the side 422s is formed in a curve with a constant radius of curvature to the middle, and is formed in a straight line from the middle. Due to the shape protruding toward the top 422t, the width d of the front convex portion 422 gradually decreases. In addition, as shown in FIG. 2, only one convex portion 422 on the front side of the sanitary napkin 1 is arranged at the front end of the middle and high central portion 421, but as shown in FIG. There are multiple configurations. In addition, the thickness of the first region 41F and the second region 41R of the sanitary napkin 1 are the same, but as long as they are smaller than the thickness of the middle and high portion 42, they may have different thicknesses. In addition, the basis weights of the first region 41F and the second region 41R of the sanitary napkin 1 are the same, but as long as they are smaller than the basis weight of the middle-high part 42, they may be different from each other. In addition, the first area 41F and the second area 41R of the sanitary napkin 1 have a groove 45 and a small absorption part 46, but they may not have, and may have a groove 45 and a small absorption part 46 of different shapes. In addition, the entire absorbent core 41 of the sanitary napkin 1 is integrally formed, but it may not be integrally formed. For example, in the absorptive core 41, the first region 41F to the second region 41R may be formed of the core material to have the same height, and secondly, a portion formed of another core material may be arranged to form the mid-high portion 42. In addition, the absorbent core 41 of the sanitary napkin 1 may include a continuous layer that is not divided over the entire surface direction. In addition, the sanitary napkin 1 is shown in Figure 1. Side panels 5 are arranged on both sides of the skin side panel 2 along the longitudinal direction X on the opposite side of the skin, but the free ends of the side panels 5 can also be arranged in the longitudinal direction X The stretched elastic parts form a leak-proof enclosure. In addition, as shown in FIG. 1, the sanitary napkin 1 has a pair of wings 1W and 1W on the left and right sides along the longitudinal direction X of the excretion facing area B, but it may not have a pair of wings 1W and 1W. In addition, in addition to the pair of wings 1W and 1W, a pair of rear wings may be provided on the left and right sides along the longitudinal direction X in the rear region C. In addition, in the sanitary napkin 1 shown in FIG. 1, as a linear groove obtained by pressing and integrating the skin side sheet 2 and the absorbent core 41, there is a pair of longitudinal pressing grooves 73 extending in the longitudinal direction X of the absorbent core 41 From the viewpoint of further preventing leakage, the longitudinal pressing groove 73 is formed so as to straddle the middle-high part 42 of the absorbent core 41, the middle-high boundary groove part 43, and the middle-high adjacent part 44 along the longitudinal direction X. However, the sanitary napkin 1 as shown in Fig. 7 may also be positioned at the front and rear ends of the longitudinal direction X of the excretion opposing area B of the absorbent body 4, on the inner side of the pair of longitudinal pressing grooves 73 and the pair of first lateral pressing grooves 71 There are second transverse pressing grooves 72 extending in the transverse direction Y respectively. In this way, since the second lateral pressing groove 72 is provided on the inner side of the sanitary napkin 1, the sanitary napkin 1 can be deformed from the second lateral pressing groove 72 as a starting point, and the adhesion to the skin is further improved. In addition, the sanitary napkin 1 shown in FIG. 8 may also be provided with a pair of longitudinal pressing grooves 73A, 73A on the outer side of the width direction Y of a pair of longitudinal pressing grooves 73, 73 along the longitudinal direction X of the drainage opposed area B. By providing the longitudinal pressing grooves 73A, 73A, the absorbency and flexibility of the first region 41F and the second region 41R can be maintained, and wrinkles of the excretory part can be further prevented. From the viewpoint of wrinkle prevention or fit, it is more preferable that the longitudinal pressing grooves 73A and 73A are arranged in the longitudinal direction X at the position of the middle region 41M. In addition, the absorbent core 41 of the sanitary napkin 1 may form a groove 45 on the non-skin facing surface side. This improves liquid diffusibility and liquid retention. In addition, in the sanitary napkin 1, the size of the front area A of the sanitary napkin 1 and the size of the first area 41F of the absorbent core 41 are approximately the same, but they may not be consistent. In addition, the size of the rear area C of the sanitary napkin 1 and the size of the second area 41R of the absorbent core 41 are substantially the same, and they may not be consistent. In addition, the absorbent article of the present invention can be sanitary pads (fabric sheets), incontinence pads, etc., in addition to menstrual sanitary napkins. Regarding the above-mentioned embodiments of the present invention, the following absorbent articles are also disclosed. <1> An absorbent article comprising an absorbent core having a longitudinally long shape corresponding to the front and back directions of the wearer, and having a front area and a back area, wherein the absorbent core is located in the front area There is an intermediate area between the first area on the side and the second area located on the side of the rear area, and the intermediate area has a thicker middle and high part than the thickness of the first area and the second area, and the absorbent core is viewed from above, The middle-high portion has a maximum width portion with a maximum width in a transverse direction perpendicular to the longitudinal direction of the absorbent core, and the transverse length of the maximum width portion is the same as the length in the transverse direction of the absorbent core. <2> The absorbent article according to the above <1>, wherein the middle-high portion includes a middle-high central portion, and the middle-high central portion is the maximum width portion along the both sides of the absorbent core along the longitudinal direction. It is formed by extending it to a prescribed length. <3> The absorbent article as described in the above <2>, wherein the middle-high portion includes a front side convex portion or a rear side from the middle-high center portion toward the front side or the rear side and the lateral length is narrower than the maximum width portion Convex. <4> The absorbent article according to the above <3>, wherein the mid-high portion has the front convex portion and the rear convex portion. <5> The absorbent article according to the above <4>, wherein the front side convex portion is arranged at one longitudinal front end of the middle-high center portion, and the rear side convex portion is disposed at the longitudinal rear end portion of the middle-high center portion One is arranged, and the front convex portion and the rear convex portion are respectively formed in such a manner that the length in the lateral direction gradually decreases from both sides along the longitudinal direction toward the top of the central portion in the lateral direction. <6> The absorbent article according to any one of the above <1> to <5>, wherein the mid-to-high portion does not have the first region and the first region having a basis weight larger than the absorbent core on the skin contact surface side Concavity with low basis weight in two regions. <7> The absorbent article according to any one of the above <1> to <6>, wherein the mid-high portion is formed so that the basis weight is greater than the basis weight of the first region of the absorbent core and the second region The basis weight is high. <8> The absorbent article according to any one of the above <1> to <7>, wherein the absorbent core has a middle-high boundary groove in the middle region that divides the middle-high part and the part other than the middle-high part Part, the middle-high boundary groove part is formed over the entire length of the absorptive core in the transverse direction. <9> The absorbent article according to the above <8>, wherein the middle-high boundary groove portion is formed to have a basis weight lower than the basis weights of the first region and the second region of the absorbent core. <10> The absorbent article according to any one of the above <1> to <9>, wherein the middle-high part includes a middle-high central part, and the middle-high central part is the maximum width part along the line of the absorbent core. Both sides in the longitudinal direction are formed by extending a predetermined length in the longitudinal direction, and the middle-height center part is formed in such a way that its height decreases from the central part in the transverse direction to the both sides along the longitudinal direction when viewed in section. <11> The absorbent article according to any one of the above <1> to <9>, wherein the middle-high part includes a middle-high central part, and the middle-high central part is the maximum width part along the line of the absorbent core. Both sides in the longitudinal direction are formed by extending a predetermined length in the longitudinal direction, and the middle-height central part is formed in such a way that the basis weight thereof decreases from the central part in the transverse direction toward the both sides along the longitudinal direction when viewed in section. <12> The absorbent article according to any one of the above <1> to <11>, wherein the absorbent core has a middle-high boundary groove in the middle region that divides the middle-high part and the part other than the middle-high part Section, in the middle area except for the middle-high section and the middle-high boundary groove section, there is a middle-high adjacent section, the basis weight of the middle-high adjacent section is smaller than the basis weight of the middle-high section, and compared with the middle-high boundary groove section The foundation is great. <13> The absorbent article according to the above <12>, wherein the basis weight of the mid-high adjacent portion is the same as or smaller than the basis weight of the first region and the second region of the absorbent core. <14> The absorbent article according to any one of the above <1> to <13>, wherein the absorbent core has a middle-high boundary groove in the middle region that divides the middle-high part and the part other than the middle-high part Section, in the middle region except for the middle-high section and the middle-high boundary groove section, there is a middle-high adjacent section, the thickness of the middle-high adjacent section is greater than the thickness of the middle-high boundary groove section, and is greater than the thickness of the middle-high section small. <15> The absorbent article according to the above <14>, wherein the thickness of the mid-high adjacent portion is the same as or smaller than the thickness of the first region and the second region of the absorbent core. <16> The absorbent article according to any one of the above <1> to <15>, wherein the absorbent core includes a continuous layer that is not divided over the entire surface direction. <17> The absorbent article according to any one of the above <1> to <16>, wherein the full length of the mid-to-high portion in the longitudinal direction is 25% or more and 80% or less of the full length of the absorptive core in the longitudinal direction. <18> The absorbent article according to any one of the above <2> to <5>, wherein the full length of the middle and high central portion of the middle and high part is 20% or more of the full length of the middle and high part in the longitudinal direction and 80% %the following. <19> The absorbent article according to any one of the above <1> to <18>, wherein the absorbent article includes a skin side sheet forming a skin-facing surface, a non-skin side sheet forming a non-skin-facing surface, and The absorptive core between the two sheets, the absorptive core has a middle-high boundary groove portion that divides the middle-high portion and the other parts, and the middle area except for the middle-high portion and the middle-high boundary groove portion The area other than that has a mid-to-high adjacent portion, the absorbent article, as a linear groove obtained by pressing and integrating the skin side sheet and the absorbent core, has one pair of longitudinal pressing grooves extending in the longitudinal direction of the absorbent core, The longitudinal pressing groove is formed to straddle the middle-high portion, the middle-high boundary groove portion, and the middle-high adjacent portion in the longitudinal direction. <20> The absorbent article as described in the above <19>, wherein a horizontal pressing groove extending in the lateral direction is provided inside the pair of vertical pressing grooves. <21> The absorbent article according to the above <19> or <20>, wherein the absorbent article has a pair of second parts on the outer side of the middle region in the width direction of the pair of longitudinal pressing grooves along the longitudinal direction. Longitudinal pressing groove. <22> The absorbent article according to any one of the above <1> to <21>, wherein the first region and the second region of the absorbent core are provided with grooves extending in the transverse direction, and the grooves The basis weight of the forming material of the absorbent core is lower than that of the first area and the part other than the groove of the second area. <23> The absorbent article according to any one of the above <1> to <22>, wherein the first region and the second region of the absorbent core are provided with grooves extending in the longitudinal direction, and the grooves The basis weight of the forming material of the absorbent core is lower than that of the first area and the part other than the groove of the second area. <24> The absorbent article according to any one of the above <1> to <23>, wherein the absorbent core is formed by integral molding. <25> The absorbent article as described in any one of the above <1> to <24>, wherein a pair of wings are provided on the outer sides of both lateral sides of the absorbent article, and each of the wings is spaced apart in the longitudinal direction The above-mentioned intermediate area exists between the roots of the wings arranged at intervals. <26> The absorbent article according to any one of the above <1> to <25>, wherein the intermediate region of the absorbent article exists between the roots of the wings. <27> The absorbent article according to any one of the above <1> to <26>, wherein the longitudinal length of the intermediate region of the absorbent article is the same as the length between the roots of the wings. <28> The absorbent article according to any one of the above <1> to <27>, wherein the absorbent article has a rear wing portion in the lateral rear portion of the second region. <29> The absorbent article as described in any one of the above <1> to <28>, wherein the left and right sides along the front and back directions of the absorbent article have three-dimensional protectors that can stand up to the wearer's side . <30> The absorbent article according to any one of the above <1> to <29>, wherein the absorbent article is a menstrual sanitary napkin with a total length of 30 cm or more. EXAMPLES Hereinafter, the present invention will be further described with examples, and the present invention is not limited by the examples. [Example 1] An absorbent core of the form shown in Fig. 9 was produced. The absorbent core 41 is formed as a mixed fiber stack of pulp fiber and a water-absorbent polymer. The absorbent core 41 has a middle-high portion 42 in the middle region 41M, the middle-high portion 42 has a middle-high center portion 421 throughout the entire width of the absorbent core 41, and a front side convex portion 422 and a rear portion are respectively provided at the front and rear ends of the middle-high center portion 421 Side protrusions 423. The thickness of the middle-high portion 42 is 3.5 mm, and the thickness of the first region 41F and the thickness of the second region 41R are 2, 3 mm. The basis weight of the middle-high part 42 is 350 g/m 2 , the basis weight of the first region 41F and the basis weight of the second region 41R are 250 g/m 2 . The thickness and basis weight are determined by the above-mentioned method. In addition, the full length L2 of the longitudinal direction X of the middle-high part 42 is 63% of the full length L1 of the longitudinal X of the absorbent core 41. Next, the absorbent core of the form shown in FIG. 9 was wrapped with tissue paper to form an absorbent body, and it was sandwiched between the skin side sheet and the non-skin side sheet to prepare the sanitary napkin of Example 1. The absorber and the skin side sheet and the absorber and the non-skin side sheet are joined via an adhesive. As the skin side sheet and the outer layer sheet, the following sheets were used. Skin side sheet: hot-air non-woven fabric with basis weight 30 g/m 2 Non-skin side sheet: non-moisture-permeable polyethylene film sheet with basis weight 25 g/m 2 [Comparative Example 1] Except as shown in Figure 10(a) The absorbent core 41' of the shown form was produced in the same manner as the sanitary napkin of Example 1, except that the menstrual sanitary napkin was manufactured. The absorbent core 41' of the form shown in Fig. 10(a) is compared with the absorbent core of the form shown in Fig. 9. The middle-high part 42' does not have the front side convex part 422 and the rear side convex part 423, only the middle-high central part The point of 421' is different. The thickness and basis weight of the middle and high portion 42' are the same as those of the sanitary napkin of Example 1, and the thickness and basis weight of the first region 41F' and the second region 41R' are the same as those of the sanitary napkin of Example 1. In addition, the full length of the longitudinal direction X of the middle-high part 42' is 63% of the full length of the longitudinal X of the absorbent core 41'. [Comparative Example 2] A sanitary napkin of Comparative Example 2 was produced in the same manner as the sanitary napkin of Example 1, except that the absorbent core 41' of the form shown in FIG. 10(b) was used to manufacture a menstrual sanitary napkin. The absorbent core 41' of the form shown in Figure 10(b) is compared with the absorbent core of the form shown in Figure 9, in that the mid-high part 42' does not extend across the entire width of the absorbent core 41 at the point where the high central part 421X has The difference. The thickness and basis weight of the middle and high portion 42' are the same as those of the sanitary napkin of Example 1, and the thickness and basis weight of the first region 41F' and the second region 41R' are the same as those of the sanitary napkin of Example 1. In addition, the full length of the longitudinal direction X of the middle-high part 42' is 63% of the full length of the longitudinal X of the absorbent core 41'. [Comparative Example 3] A sanitary napkin of Comparative Example 3 was produced in the same manner as the sanitary napkin of Example 1, except that the absorbent core 41' of the form shown in FIG. 10(c) was used to manufacture a menstrual sanitary napkin. The absorbent core 41' of the form shown in Figure 10(c) is compared with the absorbent core of the form shown in Figure 9, in that the mid-high part 42' does not have a point where the high central part 421X does not extend across the entire width of the absorbent core 41 The difference. In addition, the middle-high center portion 421X is formed in a cross shape. The thickness and basis weight of the middle and high portion 42' are the same as those of the sanitary napkin of Example 1, and the thickness and basis weight of the first region 41F' and the second region 41R' are the same as those of the sanitary napkin of Example 1. In addition, the full length of the longitudinal direction X of the middle-high part 42' is 63% of the full length of the longitudinal X of the absorbent core 41'. [Evaluation] The sanitary napkin of Example 1 and the sanitary napkins of Comparative Examples 1 to 3 were evaluated for rigidity by the following method. First, the sanitary napkins of Example 1 and the sanitary napkins of Comparative Examples 1 to 3 were stored in a laboratory at a temperature of 23° C. and a humidity of 50% for 24 hours. After that, as a measurement sample, under the same environmental conditions, the rigidity value was measured based on the softness test method (JIS L-1096). As a softness tester (Handle-O-Meter), the model made by Daiei Scientific Precision Manufacturing Co., Ltd.: HOM-200 is used. The measurement sample is placed on the sample table so that the non-skin side sheet side faces the lower side and the longitudinal direction is at right angles to the groove of 10 mm in width. Secondly, from the front area side 10 mm away from the front end of the front area side of the middle-high part toward the middle-high part, the pressure plate (blade) of the Penetrator is set to 200 mm/min for every 10 mm position. Decrease at a fixed speed, and read the highest value indicated by the indicator (load meter) when the indentation depth is 8 mm. For the sanitary napkin of Example 1 and the sanitary napkins of Comparative Examples 1 to 3, 5 pieces of each were measured, and the data for obtaining the average value of the measurement results are shown in FIG. 11. From the results shown in FIG. 11, it can be seen that the sanitary napkin of Example 1 and the sanitary napkins of Comparative Examples 1 to 3 have a smooth increase in rigidity in the area near the front end of the front area of the middle and high part. It can be seen from this that, since there is no part where the rigidity rises sharply, the sanitary napkin of Example 1 is not easy to form a bent part, and is softly deformed. As long as the sanitary napkin of Example 1 is used, it can be expected that even if it is worn in a slightly offset state, it will not easily cause discomfort to the wearer due to its excellent conformability to the body shape. It is not easy to produce gaps between the skins, and it can show sufficient absorption performance. [Industrial Applicability] According to the present invention, even if the absorbent article is worn in a slightly shifted state, it is excellent in following the body shape, so it is not easy to cause discomfort to the wearer. It is not easy to produce gaps between the wearer's skin and can show sufficient absorption performance.

1‧‧‧吸收性物品1S‧‧‧側翼部1W‧‧‧翼部2‧‧‧肌膚側片3‧‧‧非肌膚側片4‧‧‧吸收體5‧‧‧側片6‧‧‧接合部7‧‧‧線狀壓製槽41‧‧‧吸收性芯41'‧‧‧吸收性芯41F‧‧‧第一區域41F'‧‧‧第一區域41M‧‧‧中間區域41R‧‧‧第二區域41R'‧‧‧第二區域41s‧‧‧側緣42‧‧‧中高部42'‧‧‧中高部43‧‧‧中高邊界槽部43a‧‧‧前方中高邊界槽部43c‧‧‧後方中高邊界槽部44‧‧‧中高相鄰部44a‧‧‧前方中高相鄰部44c‧‧‧後方中高相鄰部45‧‧‧槽部45X‧‧‧縱槽45Y‧‧‧橫槽46‧‧‧小吸收部54‧‧‧纖維堆積轉鼓55‧‧‧聚集用凹部56‧‧‧底面56b‧‧‧凹部57‧‧‧第一難通氣性部件58‧‧‧第二難通氣性部件71‧‧‧第一橫壓製槽72‧‧‧第二橫壓製槽73‧‧‧縱壓製槽73A‧‧‧縱壓製槽421‧‧‧中高中央部421X‧‧‧中高中央部422‧‧‧前方側凸部422t‧‧‧頂部422s‧‧‧側邊423‧‧‧後方側凸部423t‧‧‧側邊423s‧‧‧側邊A‧‧‧前方區域B‧‧‧排泄相對區域C‧‧‧後方區域CL‧‧‧中心線d‧‧‧寬度L1‧‧‧全長L2‧‧‧全長L3‧‧‧全長L4‧‧‧全長T1‧‧‧高度T2‧‧‧高度R‧‧‧旋轉方向X‧‧‧縱向Y‧‧‧橫向α‧‧‧角1‧‧‧Absorbent articles 1S‧‧‧Side wings 1W‧‧‧Wings2‧‧‧Skin side panels3‧‧‧Non-skin side panels4‧‧‧Absorbent body5‧‧‧Side panels6‧‧‧ Joint 7‧‧‧Linear pressing groove 41‧‧‧Absorbent core 41'‧‧‧Absorbent core 41F‧‧‧First zone 41F'‧‧‧First zone 41M‧‧‧Middle zone 41R‧‧‧ Second area 41R'‧‧‧Second area 41s‧‧‧Side edge 42‧‧‧Middle-high part 42'‧‧‧Middle-high part 43‧‧‧Middle-high boundary groove 43a‧‧‧Front middle-high boundary groove 43c‧‧ ‧Back mid-high boundary groove 44‧‧‧Middle-high adjacent section 44a‧‧‧Front mid-high adjacent section 44c‧‧‧Back mid-high adjacent section 45‧‧‧Slot 45X‧‧‧Vertical groove 45Y‧‧‧Horizontal groove 46‧‧‧Small absorbing part 54‧‧‧Fiber accumulation drum 55‧‧‧Concavity 56‧‧‧Bottom 56b‧‧‧Concavity 57‧‧‧First difficult to ventilate part 58‧‧‧Second difficult to ventilate Sexual component 71‧‧‧First horizontal pressing groove 72‧‧‧Second horizontal pressing groove 73‧‧‧Vertical pressing groove 73A‧‧‧Vertical pressing groove 421‧‧‧Medium-high central part 421X‧‧‧Medium-high central part 422‧ ‧‧Front side convex part 422t‧‧‧Top 422s‧‧‧Side side 423‧‧‧Back side convex part 423t C‧‧‧rear area CL‧‧‧center line d‧‧‧width L1‧‧‧full length L2‧‧‧full length L3‧‧‧full length L4‧‧full length T1‧‧‧height T2‧‧‧height R‧‧ ‧Rotation direction X‧‧‧Vertical Y‧‧‧Horizontal α‧‧‧Angle

圖1係表示作為本發明之吸收性物品之較佳之一個實施方式之經期衛生棉之肌膚相對面側(肌膚側片側)之俯視圖。 圖2係圖1所示之經期衛生棉具有之吸收性芯之肌膚相對面側之俯視圖。 圖3係模式性表示圖2之III-III線剖面之剖面圖。 圖4係模式性表示圖2之IV-IV線剖面之剖面圖。 圖5(a)～圖5(b)係說明圖1所示之經期衛生棉具有之吸收性芯之製造工序之說明圖。 圖6(a)～圖6(f)係作為本發明之吸收性物品之較佳之其它之實施方式之經期衛生棉具有之吸收性芯之一部分之肌膚相對面側之俯視圖。 圖7係表示作為本發明之吸收性物品之較佳之其它之實施方式之經期衛生棉之肌膚相對面側(肌膚側片側)之俯視圖。 圖8係表示作為本發明之吸收性物品之較佳之另外之實施方式之經期衛生棉之肌膚相對面側(肌膚側片側)之俯視圖。 圖9係實施例1之衛生棉具有之吸收性芯之肌膚相對面側之俯視圖。 圖10(a)係比較例1之衛生棉具有之吸收性芯之肌膚相對面側之俯視圖，圖10(b)係比較例2之衛生棉具有之吸收性芯之肌膚相對面側之俯視圖，圖10(c)係比較例3之衛生棉具有之吸收性芯之肌膚相對面側之俯視圖。 圖11係表示測定實施例1之衛生棉和比較例1～3之衛生棉之剛性值之結果之曲線圖。Fig. 1 is a plan view showing the skin opposing surface side (skin side sheet side) of a menstrual sanitary napkin which is a preferred embodiment of the absorbent article of the present invention. Fig. 2 is a plan view of the skin opposite side of the absorbent core of the menstrual sanitary napkin shown in Fig. 1. Fig. 3 is a cross-sectional view schematically showing the section along the line III-III in Fig. 2. Fig. 4 is a cross-sectional view schematically showing the section taken along the line IV-IV in Fig. 2. Figures 5(a) to 5(b) are explanatory diagrams illustrating the manufacturing process of the absorbent core of the menstrual sanitary napkin shown in Figure 1. Fig. 6(a) to Fig. 6(f) are top views of the skin opposing side of a part of the absorbent core of the menstrual sanitary napkin, which is another preferred embodiment of the absorbent article of the present invention. Fig. 7 is a plan view showing the skin opposing surface side (skin side sheet side) of the menstrual sanitary napkin as another preferred embodiment of the absorbent article of the present invention. Fig. 8 is a plan view showing the skin opposing surface side (skin side sheet side) of the menstrual sanitary napkin which is another preferred embodiment of the absorbent article of the present invention. Fig. 9 is a plan view of the skin-opposite side of the absorbent core of the sanitary napkin of Example 1. Fig. 10(a) is a plan view of the skin opposing side of the absorbent core of the sanitary napkin of Comparative Example 1, and Fig. 10(b) is a plan view of the skin opposing side of the absorbent core of the sanitary napkin of Comparative Example 2. Fig. 10(c) is a plan view of the skin opposing side of the absorbent core of the sanitary napkin of Comparative Example 3. Fig. 11 is a graph showing the results of measuring the rigidity values of the sanitary napkins of Example 1 and the sanitary napkins of Comparative Examples 1-3.

41‧‧‧吸收性芯 41‧‧‧Absorbent core

41F‧‧‧第一區域 41F‧‧‧First area

41M‧‧‧中間區域 41M‧‧‧Intermediate area

41R‧‧‧第二區域 41R‧‧‧Second area

41s‧‧‧側緣 41s‧‧‧Side edge

42‧‧‧中高部 42‧‧‧Middle and high school

43‧‧‧中高邊界槽部 43‧‧‧Mid-high boundary groove

43a‧‧‧前方中高邊界槽部 43a‧‧‧Front middle-high boundary groove

43c‧‧‧後方中高邊界槽部 43c‧‧‧Rear middle and high boundary groove

44‧‧‧中高相鄰部 44‧‧‧Intermediate and high adjacent part

44a‧‧‧前方中高相鄰部 44a‧‧‧The middle and high adjacent part of the front

44c‧‧‧後方中高相鄰部 44c‧‧‧Rear middle and high adjacent part

45‧‧‧槽部 45‧‧‧Groove

45X‧‧‧縱槽 45X‧‧‧Slot

45Y‧‧‧橫槽 45Y‧‧‧Horizontal Groove

46‧‧‧小吸收部 46‧‧‧Small Absorption Department

421‧‧‧中高中央部 421‧‧‧Central Department of Middle and High School

422‧‧‧前方側凸部 422‧‧‧Front convex part

422t‧‧‧頂部 422t‧‧‧Top

422s‧‧‧側邊 422s‧‧‧side

423‧‧‧後方側凸部 423‧‧‧Rear side convex

423t‧‧‧側邊 423t‧‧‧side

423s‧‧‧側邊 423s‧‧‧side

A‧‧‧前方區域 A‧‧‧Area ahead

B‧‧‧排泄相對區域 B‧‧‧Relative area of excretion

C‧‧‧後方區域 C‧‧‧Back area

CL‧‧‧中心線 CL‧‧‧Centerline

d‧‧‧寬度 d‧‧‧Width

L1‧‧‧全長 L1‧‧‧Full length

L2‧‧‧全長 L2‧‧‧Full length

L3‧‧‧全長 L3‧‧‧Full length

L4‧‧‧全長 L4‧‧‧Full length

X‧‧‧縱向 X‧‧‧Vertical

Y‧‧‧橫向 Y‧‧‧Horizontal

α‧‧‧角 α‧‧‧Angle

Claims (27)

一種吸收性物品，其係包括與穿戴者之前後方向對應之縱向上較長之形狀之吸收性芯，且具有前方區域和後方區域者， 上述吸收性芯於位於上述前方區域側之第一區域與位於上述後方區域側之第二區域之間具有中間區域，於該中間區域具有厚度較該第一區域和該第二區域之厚度厚之中高部， 俯視上述吸收性芯時，上述中高部具有與該吸收性芯之上述縱向正交之橫向之長度為最大之最大寬度部，該最大寬度部之橫向之長度與上述吸收性芯之該橫向之長度相同， 上述中高部包括中高中央部，該中高中央部係上述最大寬度部順著上述吸收性芯之沿上述縱向之兩側緣於上述縱向以規定之長度延伸而形成， 上述中高部包括自上述中高中央部朝向前方側而橫向之長度較上述最大寬度部變窄之前方側凸部，或自上述中高中央部朝向後方側而橫向之長度較上述最大寬度部變窄之後方側凸部， 上述吸收性芯於上述中間區域具有劃分上述中高部與該中高部以外之部分之邊界之中高邊界槽部， 上述中高邊界槽部沿著形成上述前方側凸部之兩側邊延伸或沿著形成上述後方側凸部之兩側邊延伸，遍及上述吸收性芯之橫向之全長形成。An absorbent article comprising an absorbent core having a longitudinally long shape corresponding to the front and back directions of the wearer and having a front area and a back area, wherein the absorbent core is located in a first area located on the side of the front area There is an intermediate area between the second area located on the side of the rear area, and the intermediate area has a middle-high part thicker than the thickness of the first area and the second area. When the absorbent core is viewed from above, the middle-high part has The length of the transverse direction orthogonal to the longitudinal direction of the absorbent core is the largest maximum width portion, the transverse length of the largest width portion is the same as the transverse length of the absorbent core, the mid-high portion includes the mid-high central portion, and The middle-high center portion is formed by extending the maximum width portion along the both sides of the absorbent core along the longitudinal direction by a predetermined length in the longitudinal direction. The maximum width portion narrows the front side convex portion, or the lateral length from the middle height center portion toward the rear side is narrower than the maximum width portion rear side convex portion, and the absorbent core has a partitioning the middle height portion in the middle region The middle-high boundary groove portion of the boundary between the middle-high portion and the portion other than the middle-high portion, the middle-high boundary groove portion extends along both sides forming the front convex portion or extends along both sides forming the rear convex portion, and extends throughout The entire length of the absorptive core in the transverse direction is formed. 如請求項1之吸收性物品，其中 上述中高部具有上述前方側凸部和上述後方側凸部。The absorbent article according to claim 1, wherein the mid-high portion has the front convex portion and the rear convex portion. 如請求項2之吸收性物品，其中 上述前方側凸部於上述中高中央部之縱向之前端部配置有一個，上述後方側凸部於上述中高中央部之縱向之後端部配置有一個， 上述前方側凸部和上述後方側凸部分別以自沿著縱向之兩側部朝向位於橫向之中央部之頂部而其橫向之長度逐漸減少之方式形成。The absorbent article of claim 2, wherein one of the front side protrusions is arranged at the longitudinal front end of the middle-high central part, the rear side protrusion is arranged at the longitudinal rear end of the middle-high central part, and the front The lateral convex portion and the above-mentioned rear lateral convex portion are respectively formed in such a manner that the length of the lateral convex portion gradually decreases from both sides along the longitudinal direction toward the top of the central portion located in the lateral direction. 如請求項1之吸收性物品，其中 上述中高部於肌膚抵接面側不具有基重較上述吸收性芯之上述第一區域和上述第二區域之基重低之凹部。The absorbent article according to claim 1, wherein the mid-to-high portion does not have a concave portion with a basis weight lower than the basis weight of the first region and the second region of the absorbent core on the skin contact surface side. 如請求項1之吸收性物品，其中 上述中高部形成為基重較上述吸收性芯之上述第一區域之基重和上述第二區域之基重高。The absorbent article of claim 1, wherein the mid-high portion is formed to have a basis weight higher than the basis weight of the first region and the basis weight of the second region of the absorbent core. 如請求項1之吸收性物品，其中 上述中高邊界槽部形成為基重較上述吸收性芯之上述第一區域和上述第二區域之基重低。The absorbent article according to claim 1, wherein the middle-high boundary groove portion is formed to have a basis weight lower than the basis weights of the first region and the second region of the absorbent core. 如請求項1之吸收性物品，其中 上述中高中央部剖視時，以自橫向之中央部朝向沿著縱向之兩側部而其高度降低之方式形成。The absorbent article according to claim 1, wherein the middle-high center portion is formed in such a manner that the height thereof decreases from the center portion in the horizontal direction to the two sides along the longitudinal direction when viewed in section. 如請求項1之吸收性物品，其中 上述中高中央部剖視時，以自橫向之中央部朝向沿著縱向之兩側部而其基重減小之方式形成。The absorbent article according to claim 1, wherein the middle-high center portion is formed in such a manner that its basis weight decreases from the center portion in the horizontal direction to the two sides along the longitudinal direction when viewed in section. 如請求項1之吸收性物品，其中 上述吸收性芯於上述中間區域具有劃分上述中高部與該中高部以外之部分之邊界之中高邊界槽部，於上述中間區域之除了上述中高部和該中高邊界槽部以外之區域具有中高相鄰部， 上述中高相鄰部之基重較上述中高部之基重小，且較上述中高邊界槽部之基重大。The absorbent article of claim 1, wherein the absorbent core has a middle-high boundary groove portion in the middle region that divides the middle-high part and the part other than the middle-high part, except for the middle-high part and the middle-high part in the middle region The area other than the boundary groove portion has a middle-high adjacent portion, and the basis weight of the middle-high adjacent portion is smaller than the basis weight of the middle-high portion, and is heavier than the basis weight of the middle-high boundary groove portion. 如請求項9之吸收性物品，其中 上述中高相鄰部之基重與上述吸收性芯之上述第一區域和上述第二區域之基重相同或較其小。The absorbent article according to claim 9, wherein the basis weight of the mid-to-high adjacent portion is the same as or smaller than the basis weight of the first region and the second region of the absorbent core. 如請求項1之吸收性物品，其中 上述吸收性芯於上述中間區域具有劃分上述中高部與該中高部以外之部分之邊界之中高邊界槽部，於上述中間區域之除了上述中高部和該中高邊界槽部以外之區域具有中高相鄰部， 上述中高相鄰部之厚度較上述中高邊界槽部之厚度大，且較上述中高部之厚度小。The absorbent article of claim 1, wherein the absorbent core has a middle-high boundary groove portion in the middle region that divides the middle-high part and the part other than the middle-high part, except for the middle-high part and the middle-high part in the middle region The area other than the boundary groove portion has a middle-high adjacent portion, and the thickness of the middle-high adjacent portion is larger than the thickness of the middle-high boundary groove portion and smaller than the thickness of the middle-high portion. 如請求項11之吸收性物品，其中 上述中高相鄰部之厚度與上述吸收性芯之上述第一區域和上述第二區域之厚度相同或較其小。The absorbent article according to claim 11, wherein the thickness of the mid-high adjacent portion is the same as or smaller than the thickness of the first region and the second region of the absorbent core. 如請求項1之吸收性物品，其中 上述吸收性芯包括遍及其整個面方向沒有被分割之連續層。The absorbent article of claim 1, wherein the absorbent core includes a continuous layer that is not divided over the entire surface direction. 如請求項1之吸收性物品，其中 上述中高部之縱向之全長為上述吸收性芯之縱向之全長之25%以上且80%以下。The absorbent article of claim 1, wherein the longitudinal length of the mid-to-high portion is 25% or more and 80% or less of the longitudinal length of the absorbent core. 如請求項1之吸收性物品，其中 上述中高部之上述中高中央部之縱向之全長為上述中高部之縱向之全長之20%以上且80%以下。The absorbent article of claim 1, wherein the longitudinal length of the middle and high central portion of the middle and high portion is 20% or more and 80% or less of the longitudinal length of the middle and high portion. 如請求項1之吸收性物品，其中 上述吸收性物品包括形成肌膚相對面之肌膚側片、形成非肌膚相對面之非肌膚側片、和於這兩個片之間之上述吸收性芯， 上述吸收性芯具有劃分上述中高部與其以外之部分之邊界之中高邊界槽部，於上述中間區域之除了上述中高部和該中高邊界槽部以外之區域具有中高相鄰部， 上述吸收性物品作為將上述肌膚側片和上述吸收性芯壓製一體化得到之線狀槽，具有於上述吸收性芯之縱向延伸之一對縱壓製槽， 上述縱壓製槽以沿縱向跨上述中高部、上述中高邊界槽部、上述中高相鄰部之方式形成。The absorbent article according to claim 1, wherein the absorbent article includes a skin side sheet forming a skin-facing surface, a non-skin side sheet forming a non-skin-facing surface, and the absorbent core between the two sheets, The absorbent core has a middle-high boundary groove part that divides the middle-high part and the other parts, and the middle-high adjacent part is provided in the middle area except for the middle-high part and the middle-high boundary groove part, and the absorbent article is The linear groove formed by pressing and integrating the skin side sheet and the absorbent core has a pair of longitudinal pressing grooves extending in the longitudinal direction of the absorbent core, and the longitudinal pressing grooves span the middle-high part and the middle-high boundary groove in the longitudinal direction. Section, the above-mentioned middle and high adjacent sections are formed. 如請求項16之吸收性物品，其中 於上述一對縱壓製槽之內側具有於橫向延伸之橫壓製槽。The absorbent article according to claim 16, wherein a horizontal pressing groove extending in the lateral direction is provided inside the pair of longitudinal pressing grooves. 如請求項16之吸收性物品，其中 上述吸收性物品於上述中間區域之沿著上述縱向之上述一對縱壓製槽之寬度方向之外側具有一對第二縱壓製槽。The absorbent article according to claim 16, wherein the absorbent article has a pair of second longitudinal pressing grooves on the outer side of the width direction of the pair of longitudinal pressing grooves along the longitudinal direction of the intermediate region. 如請求項1之吸收性物品，其中 於上述吸收性芯之上述第一區域和上述第二區域配置有沿橫向延伸之槽部，該槽部與該第一區域和該第二區域之該槽部以外之部分相較，吸收性芯之形成材料之基重低。The absorbent article of claim 1, wherein the first region and the second region of the absorbent core are provided with grooves extending in the transverse direction, and the grooves are connected to the grooves of the first region and the second region Compared with the parts other than the part, the basis weight of the material forming the absorbent core is lower. 如請求項1之吸收性物品，其中 於上述吸收性芯之上述第一區域和上述第二區域配置有沿縱向延伸之槽部，該槽部之基重與該第一區域和該第二區域之該槽部以外之部分相較，吸收性芯之形成材料之基重低。The absorbent article of claim 1, wherein the first region and the second region of the absorbent core are provided with grooves extending in the longitudinal direction, and the basis weight of the groove is the same as the first region and the second region The basis weight of the material forming the absorbent core is lower than that of the part other than the groove. 如請求項1之吸收性物品，其中 上述吸收性芯藉由一體成形而構成。The absorbent article according to claim 1, wherein the absorbent core is formed by integral molding. 如請求項1之吸收性物品，其中 於上述吸收性物品之橫向兩方之外側具有一對翼部，於各翼部之於縱向隔開間隔配置之該翼部之根部彼此之間存在上述中間區域。An absorbent article according to claim 1, wherein a pair of wings are provided on the outer sides of the two lateral sides of the absorbent article, and the intermediate between the roots of the wings arranged at intervals in the longitudinal direction of each of the wings area. 如請求項22之吸收性物品，其中 上述吸收性物品之上述中間區域存在於遍及上述翼部之根部彼此之間。The absorbent article according to claim 22, wherein the intermediate region of the absorbent article exists between the roots of the wings. 如請求項22之吸收性物品，其中 上述吸收性物品之上述中間區域之縱向之長度與上述翼部之根部彼此之間之長度相同。The absorbent article according to claim 22, wherein the longitudinal length of the intermediate region of the absorbent article is the same as the length between the roots of the wings. 如請求項1之吸收性物品，其中 上述吸收性物品於上述第二區域之橫向後方部具有後方翼部。The absorbent article according to claim 1, wherein the absorbent article has a rear wing portion in the lateral rear portion of the second region. 如請求項1之吸收性物品，其中 於沿著上述吸收性物品之前後方向之左右兩側具有能夠向穿戴者側立起之立體護圍。The absorbent article according to claim 1, wherein the left and right sides along the front and back directions of the absorbent article are provided with three-dimensional protective enclosures that can stand up to the wearer's side. 如請求項1之吸收性物品，其中 上述吸收性物品為全長30 cm以上之經期衛生棉。The absorbent article of claim 1, wherein the absorbent article is a menstrual sanitary napkin with a total length of 30 cm or more.
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