JP5391140B2 - Absorbent articles - Google Patents

Absorbent articles Download PDF

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Publication number
JP5391140B2
JP5391140B2 JP2010105733A JP2010105733A JP5391140B2 JP 5391140 B2 JP5391140 B2 JP 5391140B2 JP 2010105733 A JP2010105733 A JP 2010105733A JP 2010105733 A JP2010105733 A JP 2010105733A JP 5391140 B2 JP5391140 B2 JP 5391140B2
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Prior art keywords
region
absorbent article
pressing
groove
pressing groove
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JP2010105733A
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JP2011229853A (en
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幸博 伊藤
青 曹
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Uni Charm Corp
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Uni Charm Corp
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Priority to JP2010105733A priority Critical patent/JP5391140B2/en
Priority to CN 201020584975 priority patent/CN201855366U/en
Priority to CN2010105262002A priority patent/CN102232891A/en
Priority to PCT/JP2011/060450 priority patent/WO2011136364A1/en
Publication of JP2011229853A publication Critical patent/JP2011229853A/en
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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
    • A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
    • A61F13/4751—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction
    • A61F13/4756—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means consisting of grooves, e.g. channels, depressions or embossments, resulting in a heterogeneous surface level
    • 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
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
    • A61F13/15731—Treating webs, e.g. for giving them a fibrelike appearance, e.g. by embossing

Description

本発明は、吸収性物品に関する。   The present invention relates to an absorbent article.

従来、表面シートから吸収体までを圧搾するように構成されている第１圧搾部及び第２圧搾部が設けられている吸収性物品が知られている（例えば、特許文献１参照）。   Conventionally, an absorptive article provided with the 1st pressing part and the 2nd pressing part constituted so that it may squeeze from a surface sheet to an absorber is known (for example, refer to patent documents 1).

かかる吸収性物品では、第１圧搾部は、吸収体の幅方向の縁部に沿って長手方向に延びるように形成されており、第２圧搾部は、第１圧搾部に隣接して長手方向に延びるように形成されている。   In such an absorbent article, the first pressing part is formed to extend in the longitudinal direction along the edge in the width direction of the absorbent body, and the second pressing part is adjacent to the first pressing part in the longitudinal direction. It is formed to extend.

ここで、第１圧搾部及び第２圧搾部の少なくとも一方は、不連続なドット状の形態を有している、すなわち、長手方向に連続する圧搾溝のような形状を有していない。   Here, at least one of the first pressing portion and the second pressing portion has a discontinuous dot shape, that is, does not have a shape like a pressing groove continuous in the longitudinal direction.

かかる構成によれば、着用者の太腿によって吸収性物品の側面に圧力がかかった場合、太腿に当接する圧搾部の堅さを軽減することができる。   According to such a configuration, when pressure is applied to the side surface of the absorbent article by the wearer's thigh, it is possible to reduce the stiffness of the compressed portion that comes into contact with the thigh.

特開２００６-３２６２９９号公報JP 2006-326299 A

しかしながら、出願人は、上述の吸収体物品について、以下のような問題点を発見した。   However, the applicant has found the following problems with the above-described absorbent article.

上述の吸収性物品では、不連続なドット状の形態を有している圧搾部の隙間から体液が漏れやすいという問題点がある。   In the above-mentioned absorbent article, there is a problem that body fluid tends to leak from the gap of the compressed portion having a discontinuous dot shape.

そこで、本発明は、上述の課題に鑑みてなされたものであり、太腿に当接する領域の堅さを軽減しつつ、体液の横漏れを低減することができる吸収性物品を提供することを目的とする。   Then, this invention is made | formed in view of the above-mentioned subject, and provides the absorbent article which can reduce the side leakage of a bodily fluid, reducing the rigidity of the area | region which contact | abuts to a thigh. Objective.

本発明の第１の特徴は、液透過性の表面シートと、液不透過性の裏面シートと、前記表面シートと前記裏面シートとの間に配置される吸収体とを有する吸収性物品であって、前記吸収性物品の長手方向に沿って、前記表面シートから前記吸収体までを圧搾するように構成されている第１圧搾溝及び第２圧搾溝が設けられており、前記第２圧搾溝は、前記第１圧搾溝よりも、前記吸収性物品の幅方向の外側に設けられており、前記第１圧搾溝内において、複数の第１高圧搾領域が設けられており、かつ、該第１高圧搾領域の周囲を囲むように第１低圧搾領域が設けられており、前記第２圧搾溝内において、複数の第２高圧搾領域が設けられており、かつ、該第２高圧搾領域の周囲を囲むように第２低圧搾領域が設けられており、前記第１圧搾溝において、前記長手方向に連続する第１領域が設けられており、前記第１領域の少なくとも一部は、前記吸収性物品の***口当接領域に存在しており、前記第２圧搾溝において、前記長手方向に連続する第２領域が設けられており、前記第２領域の少なくとも一部は、前記***口当接領域に存在しており、前記第１領域内の全域において、前記幅方向に沿って前記第１高圧搾領域と前記第１低圧搾領域とが隣接して配置されており、前記第２領域内に、前記幅方向に沿って前記第２高圧搾領域と前記第２低圧搾領域とが隣接して配置されている部分と、前記幅方向に沿って前記第２低圧搾領域のみが配置されている部分とが設けられていることを要旨とする。   A first feature of the present invention is an absorbent article having a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body disposed between the top sheet and the back sheet. And the 1st pressing groove and the 2nd pressing groove comprised so that it may squeeze from the said surface sheet to the said absorber along the longitudinal direction of the said absorbent article are provided, The said 2nd pressing groove Is provided on the outer side in the width direction of the absorbent article than the first pressing groove, and in the first pressing groove, a plurality of first high pressure areas are provided, and the first The 1st high pressing area | region is provided so that the circumference | surroundings of 1 high pressing area may be enclosed, and the 2nd high pressing area may be provided in the said 2nd pressing groove, and this 2nd high pressing area A second low-pressure squeezing region is provided to surround the periphery of the first squeezing groove The first region continuous in the longitudinal direction is provided, at least a part of the first region is present in the excretory opening contact region of the absorbent article, in the second compressed groove A second region that is continuous in the longitudinal direction is provided, at least a part of the second region is present in the excretory opening contact region, and the entire region in the first region is in the width direction. The first high pressure area and the first low pressure area are disposed adjacent to each other, and the second high pressure area and the second low area are arranged along the width direction in the second area. The gist of the present invention is that a portion where the compressed region is disposed adjacently and a portion where only the second low-pressure region is disposed along the width direction are provided.

以上説明したように、本発明によれば、太腿に当接する領域の堅さを軽減しつつ、体液の横漏れを低減することができる吸収性物品を提供することができる。   As described above, according to the present invention, it is possible to provide an absorbent article that can reduce the side leakage of body fluids while reducing the rigidity of the region in contact with the thigh.

本発明の第１の実施形態に係る吸収性物品の肌当接面側から見た平面図である。It is the top view seen from the skin contact surface side of the absorptive article concerning a 1st embodiment of the present invention. 本発明の第１の実施形態に係る吸収性物品の肌当接面側から見た平面図におけるａ-ａ断面図である。It is aa sectional drawing in the top view seen from the skin contact surface side of the absorptive article concerning a 1st embodiment of the present invention. 本発明の第１の実施形態に係る吸収性物品の領域Ａの拡大図である。It is an enlarged view of the area | region A of the absorbent article which concerns on the 1st Embodiment of this invention. 本発明の第１の実施形態に係る吸収性物品の領域Ａの拡大図におけるｂ-ｂ断面図である。It is bb sectional drawing in the enlarged view of the area | region A of the absorbent article which concerns on the 1st Embodiment of this invention. 本発明の第１の実施形態に係る吸収性物品の製造方法について説明するための図である。It is a figure for demonstrating the manufacturing method of the absorbent article which concerns on the 1st Embodiment of this invention. 本発明の第２の実施形態に係る吸収性物品の肌当接面側から見た平面図である。It is the top view seen from the skin contact surface side of the absorbent article which concerns on the 2nd Embodiment of this invention.

（本発明の第１の実施形態）
図１乃至図６を参照して、本発明の第１の実施形態に係る吸収性物品１について説明する。例えば、本実施形態に係る吸収性物品１は、紙おむつや失禁パッドや生理用ナプキン等である。 (First embodiment of the present invention)
With reference to FIG. 1 thru | or FIG. 6, the absorbent article 1 which concerns on the 1st Embodiment of this invention is demonstrated. For example, the absorbent article 1 according to the present embodiment is a paper diaper, an incontinence pad, a sanitary napkin, or the like.

図１に示すように、本実施形態に係る吸収性物品１には、第１圧搾溝１１０及び第２圧搾溝１２０を含む複数の圧搾溝が設けられている。第２圧搾溝１２０は、第１圧搾溝１１０よりも、吸収性物品１の幅方向Ｗの外側に設けられている。   As shown in FIG. 1, the absorbent article 1 according to the present embodiment is provided with a plurality of compressed grooves including a first compressed groove 110 and a second compressed groove 120. The 2nd pressing groove 120 is provided in the outer side of the width direction W of the absorbent article 1 rather than the 1st pressing groove 110. FIG.

なお、本実施形態に係る吸収性物品１の***口当接領域Ｘは、吸収性物品１において着用者の膣口に当接する領域であり、例えば、着用者の下着に吸収性物品１が着用される際に、下着の２つの足回り開口の間に配置される領域である。   In addition, the excretion opening | mouth contact | abutting area | region X of the absorbent article 1 which concerns on this embodiment is an area | region contact | abutted to a wearer's vaginal opening in the absorbent article 1, for example, the absorbent article 1 wears to a wearer's underwear. It is an area | region arrange | positioned between two undercarriage openings of underwear.

また、吸収性物品１は、***口当接領域Ｘにおいて、幅方向Ｗの両外側に延出するように形成されている１対の中央ウィング部４０を有している。ここで、着用者は、吸収性物品１を下着に着用する際に、中央ウィング部４０を下着に巻き込んで、吸収性物品１を下着に固定する。   Moreover, the absorbent article 1 has a pair of central wing portions 40 formed so as to extend to both outer sides in the width direction W in the excretion opening contact region X. Here, when a wearer wears the absorbent article 1 in underwear, the wearer wraps the central wing part 40 in the underwear, and fixes the absorbent article 1 to the underwear.

ここで、吸収性物品１において、幅方向Ｗの中心を通る長手方向Ｌの線Ｏと中央ウィング部４０の長手方向Ｌの中心を通る幅方向Ｗの線（ａ-ａ）との交点Ｑを「***口当接領域Ｘの長手方向Ｌの中心」としてもよい。   Here, in the absorbent article 1, an intersection point Q between a line O in the longitudinal direction L passing through the center in the width direction W and a line (aa) in the width direction W passing through the center in the longitudinal direction L of the central wing portion 40 is defined. It may be “the center in the longitudinal direction L of the excretory opening contact region X”.

なお、中央ウィング部４０が設けられていない吸収性物品１において、第１圧搾溝１１０が、長手方向Ｌに沿って幅方向Ｗの内側に湾曲するように配置されている場合には、両側の第１圧搾溝１１０において最も幅方向Ｗの内側に位置する箇所同士を結ぶ線を、上述の線（ａ-ａ）としてもよい。   In the absorbent article 1 in which the central wing portion 40 is not provided, when the first pressing groove 110 is arranged so as to be curved inward in the width direction W along the longitudinal direction L, The line that connects the locations that are located most inside the width direction W in the first compressed groove 110 may be the above-described line (aa).

或いは、中央ウィング部４０が設けられていない吸収性物品１において、第１圧搾溝１１０が、長手方向Ｌに沿って幅方向Ｗの外側に湾曲するように配置されている場合には、両側の第１圧搾溝１１０において最も幅方向Ｗの外側に位置する箇所同士を結ぶ線を、上述の線（ａ-ａ）としてもよい。   Or in the absorbent article 1 in which the central wing part 40 is not provided, when the 1st pressing groove 110 is arrange | positioned so that it may curve outside the width direction W along the longitudinal direction L, both sides The line that connects the positions that are located most outward in the width direction W in the first compressed groove 110 may be the above-described line (aa).

図２に示すように、本実施形態に係る吸収性物品１は、液透過性の表面シート１１と、液透過性のセカンドシート１２と、液不透過性の裏面シート１３と、中央ウィング部４０を構成するサイドシート１４と、表面シート１１及びセカンドシート１２と裏面シート１３との間に配置される吸収体２０とを有する。なお、本実施形態に係る吸収性物品１は、セカンドシート１２を有していなくてもよい。   As shown in FIG. 2, the absorbent article 1 according to the present embodiment includes a liquid-permeable top sheet 11, a liquid-permeable second sheet 12, a liquid-impermeable back sheet 13, and a central wing part 40. And the absorbent body 20 disposed between the top sheet 11 and the second sheet 12 and the back sheet 13. In addition, the absorbent article 1 which concerns on this embodiment does not need to have the 2nd sheet | seat 12. FIG.

吸収体２０は、粉砕パルプ及び高分子吸収ポリマーと両者を包み込むコアラップとによって構成されている。ここで、高分子ポリマーは、アクリル酸ナトリウム共重合体の粒状のポリマーである。   The absorber 20 is comprised by the pulverized pulp and the polymer absorption polymer, and the core wrap which wraps both. Here, the high molecular polymer is a granular polymer of a sodium acrylate copolymer.

また、コアラップは、液体を吸収する任意の材料のシートである。例えば、コアラップとして、ティッシュを用いてもよいし、親水性繊維や粉砕パルプをエアレイド法によってシート状にしたエアレイドシートを用いてもよい。   A core wrap is a sheet of any material that absorbs liquid. For example, a tissue may be used as the core wrap, or an air laid sheet in which hydrophilic fibers or pulverized pulp is formed into a sheet shape by the air laid method may be used.

ここで、本実施形態に係る吸収性物品１において、第１圧搾溝及１１０及び第２圧搾溝１２０は、表面シート１１から吸収体２０までを圧搾するように構成されている。   Here, in the absorbent article 1 which concerns on this embodiment, the 1st pressing groove and 110 and the 2nd pressing groove 120 are comprised so that the surface sheet 11 to the absorber 20 may be squeezed.

図３に、図１に示す吸収性物品１の領域Ａの拡大図を示し、図４に、かかる拡大図におけるｂ-ｂ断面図を示す。   FIG. 3 shows an enlarged view of the region A of the absorbent article 1 shown in FIG. 1, and FIG. 4 shows a bb cross-sectional view of the enlarged view.

図３に示すように、第１圧搾溝１１０内において、複数の第１高圧搾領域１１０Ａが設けられており、第１高圧搾領域１１０Ａの周囲を囲むように第１低圧搾領域１１０Ｂが設けられている。   As shown in FIG. 3, in the 1st pressing groove 110, the some 1st high pressing area | region 110A is provided, and the 1st low pressing area 110B is provided so that the circumference | surroundings of the 1st high pressing area | region 110A may be enclosed. ing.

同様に、第２圧搾溝１２０内において、複数の第２高圧搾領域１２０Ａが設けられており、第２高圧搾領域１２０Ａの周囲を囲むように第２低圧搾領域１２０Ｂが設けられている。   Similarly, in the 2nd pressing groove 120, several 2nd high pressing area 120A is provided, and the 2nd low pressing area 120B is provided so that the circumference | surroundings of the 2nd high pressing area 120A may be enclosed.

ここで、第１高圧搾領域１１０Ａの厚み寸法は、第１低圧搾領域１１０Ｂの厚み寸法よりも大きい。同様に、第２高圧搾領域１２０Ａの厚み寸法は、第２低圧搾領域１２０Ｂの厚み寸法よりも大きい。   Here, the thickness dimension of 110 A of 1st high pressing areas is larger than the thickness dimension of 110 B of 1st low pressing areas. Similarly, the thickness dimension of the second high pressing area 120A is larger than the thickness dimension of the second low pressing area 120B.

なお、かかる厚み寸法は、以下のような測定方法によって測定した。具体的には、かかる測定方法では、サンプルの吸収性物品１を、液体窒素に含浸させて凍結させた後、剃刀でカットし、常温に戻した後、電子顕微鏡（例えば、キーエンス社ＶＥ７８００）を用いて、５０倍の倍率で測定した。ここで、サンプルの吸収性物品１を凍結させる理由は、カット時の圧縮により厚み寸法が変動するのを防ぐためである。   In addition, this thickness dimension was measured with the following measuring methods. Specifically, in such a measurement method, the sample absorbent article 1 is impregnated with liquid nitrogen and frozen, then cut with a razor, returned to room temperature, and then subjected to an electron microscope (for example, KEYENCE VE7800). And measured at a magnification of 50 times. Here, the reason for freezing the sample absorbent article 1 is to prevent the thickness dimension from fluctuating due to compression during cutting.

また、図３の例のように、第１高圧搾領域１１０Ａは、長手方向Ｌ及び幅方向Ｗにおいて、格子状に配置されている第１低圧搾領域１１０Ｂの間に配置されていてもよい。   Moreover, 110 A of 1st high pressing areas may be arrange | positioned between the 1st low pressing areas 110B arrange | positioned in the grid | lattice form in the longitudinal direction L and the width direction W like the example of FIG.

また、第１圧搾溝１１０において、長手方向Ｌに連続する第１領域Ｙが設けられている。ここで、第１領域Ｙの少なくとも一部は、***口当接領域Ｘに存在している。   Moreover, in the 1st pressing groove 110, the 1st area | region Y continuous in the longitudinal direction L is provided. Here, at least a part of the first region Y exists in the excretory opening contact region X.

同様に、第２圧搾溝１２０において、長手方向Ｌに連続する第２領域Ｚが設けられている。ここで、第２領域Ｚの少なくとも一部は、***口当接領域Ｘに存在している。   Similarly, in the 2nd pressing groove 120, the 2nd area | region Z continuous in the longitudinal direction L is provided. Here, at least a part of the second region Z exists in the excretory opening contact region X.

ここで、第１領域Ｙ内の全域において、幅方向Ｗに沿って第１高圧搾領域１１０Ａと第１低圧搾領域１１０Ｂとが隣接して配置されている。   Here, in the entire region within the first region Y, the first high-compression region 110A and the first low-compression region 110B are arranged adjacently along the width direction W.

すなわち、図３に示す直線Ｙ１及びＹ２のような幅方向Ｗに延びる直線は、第１領域Ｙ内の全域において、必ず第１高圧搾領域１１０Ａと第１低圧搾領域１１０Ｂとに接触する。   That is, straight lines extending in the width direction W such as the straight lines Y1 and Y2 shown in FIG. 3 are always in contact with the first high-pressure area 110A and the first low-pressure area 110B throughout the first area Y.

一方、第２領域Ｚ内には、幅方向Ｗに沿って第２高圧搾領域１２０Ａと第２低圧搾領域１２０Ｂとが隣接して配置されている部分Ｚ１と、幅方向Ｗに沿って第２低圧搾領域１２０Ｂのみが配置されている部分Ｚ２とが設けられている。   On the other hand, in the second region Z, the second high pressing region 120A and the second low pressing region 120B are disposed adjacently along the width direction W, and the second direction along the width direction W. A portion Z2 where only the low-pressure squeezing region 120B is disposed is provided.

すなわち、幅方向Ｗに延びる直線は、部分Ｚ１内では、必ず第２高圧搾領域１２０Ａと第２低圧搾領域１２０Ｂとに接触し、部分Ｚ２内では、第２低圧搾領域１２０Ｂにのみ接触する。   That is, the straight line extending in the width direction W is always in contact with the second high-pressure squeezed region 120A and the second low-pressure squeezed region 120B in the portion Z1, and is in contact only with the second low-pressure squeezed region 120B in the portion Z2.

また、図３に示すように、第１高圧搾領域１１０Ａの各々は、第２高圧搾領域１２０Ａの各々よりも小さくなるように構成されていてもよい。   Moreover, as shown in FIG. 3, each of the first high pressure areas 110 </ b> A may be configured to be smaller than each of the second high pressure areas 120 </ b> A.

なお、第１高圧搾領域１１０Ａの各々は、異なる大きさ及び形状を有していてもよい。同様に、第２高圧搾領域１２０Ａの各々も、異なる大きさ及び形状を有していてもよい。   In addition, each of 1st high pressing area | region 110A may have a different magnitude | size and shape. Similarly, each of the second high pressing areas 120A may have a different size and shape.

また、第１高圧搾領域１１０Ａと第１圧搾溝１１０の側縁１１０Ｅとが接触する部分の長さＬ１は、第２高圧搾領域１２０Ａと第２圧搾溝１２０の側縁１２０Ｅとが接触する部分Ｌ２よりも長くなるように構成されていてもよい。   Moreover, the length L1 of the part which 110A of 1st high pressing area | regions and the side edge 110E of the 1st pressing groove 110 contact is the part which 120A of 2nd high pressing area | regions and the side edge 120E of the 2nd pressing groove 120 contact. You may be comprised so that it may become longer than L2.

また、第１低圧搾領域１１０Ｂと第１圧搾溝１１０の側縁１１０Ｅとが接触している部分の長さＬ３は、第２低圧搾領域１２０Ｂと第２圧搾溝１２０の側縁１２０Ｅとが接触している部分の長さＬ４よりも短くなるように構成されていてもよい。   Moreover, the length L3 of the part which the 1st low pressing area | region 110B and the side edge 110E of the 1st pressing groove 110 are contacting is the contact between the 2nd low pressing area 120B and the side edge 120E of the 2nd pressing groove 120. You may be comprised so that it may become shorter than length L4 of the part which is doing.

また、第１圧搾溝１１０内における単位面積あたりの吸収体２０の質量（すなわち、吸収体２０の目付け）は、第２圧搾溝１２０内における単位面積あたりの吸収体２０の質量（すなわち、吸収体２０の目付け）よりも大きくなるように構成されていてもよい。   The mass of the absorbent body 20 per unit area in the first compressed groove 110 (that is, the basis weight of the absorbent body 20) is the mass of the absorbent body 20 per unit area in the second compressed groove 120 (that is, the absorbent body). It may be configured to be larger than 20 weight per unit area).

さらに、第１圧搾溝１１０内で圧搾されているシートのうち吸収体２０よりも肌当接面側に配置されているシートの枚数は、第２圧搾溝１２０内で圧搾されているシートのうち吸収体２０よりも肌当接面側に配置されているシートの枚数よりも多くなるように構成されていてもよい。   Furthermore, the number of sheets arranged closer to the skin contact surface than the absorbent body 20 among the sheets squeezed in the first squeezing groove 110 is the number of sheets squeezed in the second squeezing groove 120. You may be comprised so that it may become more than the number of the sheets arrange | positioned rather than the absorber 20 at the skin contact surface side.

例えば、図４に示すように、第１圧搾溝１１０内では、吸収体２０よりも肌当接面側に、表面シート１１とセカンドシート１２とが配置されており、第２圧搾溝内では、吸収体２０よりも肌当接面側に、表面シート１１のみが配置されている。   For example, as shown in FIG. 4, in the 1st pressing groove 110, the surface sheet 11 and the second sheet | seat 12 are arrange | positioned in the skin contact surface side rather than the absorber 20, In the 2nd pressing groove, Only the top sheet 11 is arranged closer to the skin contact surface than the absorbent body 20.

なお、図１に示すように、吸収体２０の外縁２０Ｅによって規定される曲線の形状と、第１圧搾溝１１０の側縁１１０Ｅによって形成される曲線の形状と、第２圧搾溝１２０の側縁１２０Ｅによって形成される曲線の形状とが異なるように構成されていてもよい。   In addition, as shown in FIG. 1, the shape of the curve prescribed | regulated by the outer edge 20E of the absorber 20, the shape of the curve formed by the side edge 110E of the 1st pressing groove 110, and the side edge of the 2nd pressing groove 120 You may be comprised so that the shape of the curve formed by 120E may differ.

次に、図５を参照して、本実施形態に係る吸収性物品１の製造方法の一部について説明する。なお、図５に記載されていない方法については、既存の方法を用いることができる。   Next, with reference to FIG. 5, a part of manufacturing method of the absorbent article 1 which concerns on this embodiment is demonstrated. In addition, about the method which is not described in FIG. 5, the existing method can be used.

図５に示すように、ステップＳ１０１において、粉砕されたパルプ及び吸収ポリマーの積層体２０Ａをコアラップ２０Ｂでラッピングすることによって吸収体２０を生成する。   As shown in FIG. 5, in step S <b> 101, an absorbent body 20 is generated by wrapping a pulverized pulp and absorbent polymer laminate 20 </ b> A with a core wrap 20 </ b> B.

ステップＳ１０２において、連続搬送されている表面シート１１用ウェブ１１Ａ上に吸収体２０を配置し、ホットメルト接着剤によって表面シート１１用ウェブ１１Ａ及び吸収体２０を貼り合わせる。   In step S102, the absorbent body 20 is disposed on the web 11A for the topsheet 11 that is continuously conveyed, and the web 11A for the topsheet 11 and the absorbent body 20 are bonded together with a hot melt adhesive.

ステップＳ１０３において、貼り合わされた表面シート１１用ウェブ１１Ａ及び吸収体２０に対して、加圧ロール１００Ａ及び１００Ｂを用いた圧縮加工を施すことによって、複数の圧搾溝を形成する。   In step S <b> 103, a plurality of compressed grooves are formed by performing compression processing using the pressure rolls 100 </ b> A and 100 </ b> B on the bonded web 11 </ b> A for the topsheet 11 and the absorbent body 20.

ステップＳ１０４において、圧縮加工が施された表面シート１１用ウェブ１１Ａ及び吸収体２０に対して、裏面シート１３用ウェブ１３Ａを貼り合わせる。   In step S <b> 104, the web 13 </ b> A for the back sheet 13 is bonded to the web 11 </ b> A for the top sheet 11 and the absorbent body 20 that have been subjected to compression processing.

ステップＳ１０５において、貼り合わせられた表面シート１１用ウェブ１１Ａ、吸収体２０及び裏面シート１３用ウェブ１３Ａを、製品カッターを用いて、所定の寸法及び形状にカットすることによって、吸収性物品１を生成する。   In step S105, the absorbent article 1 is generated by cutting the bonded web 11A for the front sheet 11, the absorbent body 20, and the web 13A for the back sheet 13 into a predetermined size and shape using a product cutter. To do.

ここで、圧搾領域は、体液を引き込み易いので、本実施形態に係る吸収性物品１によれば、***口当接領域Ｘに滴下された体液は、幅方向Ｗ方向に拡がり、長手方向Ｌに連続する第１圧搾溝１１０及び第２圧搾溝１２０によって長手方向Ｌに誘導される。   Here, since the squeezing region easily draws bodily fluid, according to the absorbent article 1 according to the present embodiment, the bodily fluid dropped on the excretion opening contact region X spreads in the width direction W direction and in the longitudinal direction L. It is guided in the longitudinal direction L by the continuous first pressing groove 110 and second pressing groove 120.

また、本実施形態に係る吸収性物品１によれば、第１領域Ｙ内の全域において、幅方向Ｗに沿って第１高圧搾領域１１０Ａと第１低圧搾領域１１０Ｂとが隣接して配置されている。   Moreover, according to the absorbent article 1 which concerns on this embodiment, 110 A of 1st high pressing areas and the 1st low pressing area 110B are arrange | positioned adjacently along the width direction W in the whole region in the 1st area | region Y. ing.

したがって、第１圧搾溝１１０全体の曲げ堅さが、より均一になり易く、着用者の太腿によって吸収性物品１の側面に圧力がかかった場合、第１圧搾溝１１０の形状を維持した状態で折れ曲がり易い。   Therefore, the bending stiffness of the entire first compressed groove 110 tends to be more uniform, and when the pressure is applied to the side surface of the absorbent article 1 by the wearer's thigh, the shape of the first compressed groove 110 is maintained. It is easy to bend at.

また、本実施形態に係る吸収性物品１によれば、第２領域Ｚ内には、幅方向Ｗに沿って第２高圧搾領域１２０Ａと第２低圧搾領域１２０Ｂとが隣接して配置されている部分Ｚ１と、幅方向Ｗに沿って第２低圧搾領域１２０Ｂのみが配置されている部分Ｚ２とが設けられている。   Moreover, according to the absorbent article 1 which concerns on this embodiment, in the 2nd area | region Z, the 2nd high pressing area | region 120A and the 2nd low pressing area | region 120B are arrange | positioned adjacently along the width direction W. There are provided a portion Z1 and a portion Z2 in which only the second low pressing region 120B is disposed along the width direction W.

したがって、第２圧搾溝１２０内に、曲げ堅さが堅い部分Ｚ１及び曲げ堅さが柔らかい部分Ｚ２が混在するため、着用者の太腿によって吸収性物品１の側面に圧力がかかった場合、第２圧搾溝１２０の形状を維持することなく折れ曲がり易い。   Accordingly, since the portion Z1 having a high bending stiffness and the portion Z2 having a soft bending stiffness are mixed in the second compressed groove 120, when pressure is applied to the side surface of the absorbent article 1 by the wearer's thigh, It is easy to bend without maintaining the shape of the 2 pressing grooves 120.

その結果、太腿に当接する領域の堅さを軽減しつつ、体液の横漏れを低減することができる。   As a result, it is possible to reduce the side leakage of body fluid while reducing the rigidity of the region that contacts the thigh.

また、本実施形態に係る吸収性物品１によれば、第１高圧搾領域１１０Ａと第１圧搾溝１１０の側縁１１０Ｅとが接触する部分の長さＬ１は、第２高圧搾領域１２０Ａと第２圧搾溝１２０の側縁１２０Ｅとが接触する部分Ｌ２よりも長くなるように構成されている。   Moreover, according to the absorbent article 1 which concerns on this embodiment, the length L1 of the part which 110A of 1st high pressing area | regions and the side edge 110E of the 1st pressing groove 110 contact is 2nd high pressing area | region 120A and 1st. It is comprised so that it may become longer than the part L2 which the side edge 120E of the 2 pressing grooves 120 contacts.

すなわち、第１圧搾溝１１０の側縁１１０Ｅにおいて第１圧搾溝１１０の周囲との間で厚みが大きく異なる部分が多くなり、着用者の太腿によって吸収性物品１の側面に圧力がかかった場合、より第１圧搾溝１１０の形状を維持した状態で折れ曲がり易くなる。   That is, in the side edge 110E of the first compressed groove 110, there are many portions where the thickness greatly differs from the periphery of the first compressed groove 110, and pressure is applied to the side surface of the absorbent article 1 by the wearer's thigh. And it becomes easy to bend in the state where the shape of the 1st pressing groove 110 was maintained.

一方、第２圧搾溝１２０の側縁１２０Ｅにおいて第２圧搾溝１２０の周囲との間で厚みが大きくは異ならない部分が多くなり、着用者の太腿によって吸収性物品１の側面に圧力がかかった場合、より第２圧搾溝１２０の形状を維持することなく折れ曲がり易くなる。   On the other hand, in the side edge 120E of the second pressing groove 120, there are many portions where the thickness does not differ greatly from the periphery of the second pressing groove 120, and pressure is applied to the side surface of the absorbent article 1 by the wearer's thigh. In this case, it becomes easier to bend without maintaining the shape of the second compressed groove 120.

また、本実施形態に係る吸収性物品１によれば、第１高圧搾領域１１０Ａの各々は、第２高圧搾領域１２０Ａの各々よりも小さくなるように構成されているため、第１圧搾溝１１０全体の曲げ堅さをより均一にし、かつ、第２圧搾溝１２０内に、曲げ堅さが堅い部分Ｚ１及び曲げ堅さが柔らかい部分Ｚ２を生成することができる。   Moreover, according to the absorbent article 1 which concerns on this embodiment, since each of the 1st high pressing area | region 110A is comprised so that it may become smaller than each of the 2nd high pressing area | region 120A, the 1st pressing groove | channel 110 is comprised. The overall bending stiffness can be made more uniform, and the portion Z1 having a high bending stiffness and the portion Z2 having a soft bending stiffness can be generated in the second compressed groove 120.

本実施形態に係る吸収性物品１によれば、第１圧搾溝１１０内における単位面積あたりの吸収体２０の質量は、第２圧搾溝１２０内における単位面積あたりの吸収体２０の質量よりも大きいため、第１圧搾溝１１０の方が第２圧搾溝１２０よりも全体の堅さが増すため、着用者の太腿によって吸収性物品１の側面に圧力がかかった場合、第１圧搾溝１１０は、溝形状を維持した状態で折れ曲がり易くなり、第２圧搾溝１２０は、溝形状を維持することなく折れ曲がり易くなる。   According to the absorbent article 1 according to the present embodiment, the mass of the absorbent body 20 per unit area in the first compressed groove 110 is larger than the mass of the absorbent body 20 per unit area in the second compressed groove 120. Therefore, since the first compression groove 110 is more rigid than the second compression groove 120, when the pressure is applied to the side surface of the absorbent article 1 by the wearer's thigh, the first compression groove 110 is And it becomes easy to bend in the state which maintained the groove shape, and the 2nd pressing groove 120 becomes easy to bend without maintaining a groove shape.

同様に、本実施形態に係る吸収性物品１によれば、第１圧搾溝１１０内で圧搾されているシートのうち吸収体２０よりも肌当接面側に配置されているシートの枚数は、第２圧搾溝１２０内で圧搾されているシートのうち吸収体２０よりも肌当接面側に配置されているシートの枚数よりも多いため、第１圧搾溝１１０の方が第２圧搾溝１２０よりも全体の堅さが増すため、着用者の太腿によって吸収性物品１の側面に圧力がかかった場合、第１圧搾溝１１０は、溝形状を維持した状態で折れ曲がり易くなり、第２圧搾溝１２０は、溝形状を維持することなく折れ曲がり易くなる。   Similarly, according to the absorbent article 1 which concerns on this embodiment, the number of the sheets arrange | positioned in the skin contact surface side rather than the absorber 20 among the sheets squeezed within the 1st pressing groove 110 is as follows. Since the number of sheets squeezed in the second squeezing groove 120 is greater than the number of sheets disposed on the skin contact surface side of the absorbent body 20, the first squeezing groove 110 is the second squeezing groove 120. Therefore, when pressure is applied to the side surface of the absorbent article 1 by the wearer's thigh, the first compressed groove 110 is easy to bend while maintaining the groove shape. The groove 120 is easily bent without maintaining the groove shape.

本実施形態に係る吸収性物品１によれば、吸収体２０の外縁２０Ｅによって規定される曲線の形状と、第１圧搾溝１１０の側縁１１０Ｅによって形成される曲線の形状と、第２圧搾溝１２０の側縁１２０Ｅによって形成される曲線の形状とが異なるため、着用者の太腿によって吸収性物品１の側面に圧力がかかった場合、それぞれの曲線に沿って曲がり難くなる。   According to the absorbent article 1 which concerns on this embodiment, the shape of the curve prescribed | regulated by the outer edge 20E of the absorber 20, the shape of the curve formed by the side edge 110E of the 1st pressing groove 110, and a 2nd pressing groove Since the shape of the curve formed by the side edges 120E of 120 is different, when pressure is applied to the side surface of the absorbent article 1 by the wearer's thigh, it becomes difficult to bend along each curve.

（本発明の第２の実施形態）
図６を参照して、本発明の第２の実施形態に係る吸収性物品１について説明する。以下、本実施形態に係る吸収性物品１について、上述の第１の実施形態に係る吸収性物品１との相違点に着目して説明する。 (Second embodiment of the present invention)
With reference to FIG. 6, the absorbent article 1 which concerns on the 2nd Embodiment of this invention is demonstrated. Hereinafter, the absorbent article 1 according to the present embodiment will be described by focusing on the differences from the absorbent article 1 according to the first embodiment described above.

図６に示すように、本実施形態に係る吸収性物品１では、第２圧搾溝１２０の端部が、吸収体２０の外縁２０Ｅよりも幅方向Ｗの外側に配置されるように構成されている。   As shown in FIG. 6, in the absorbent article 1 which concerns on this embodiment, it is comprised so that the edge part of the 2nd pressing groove 120 may be arrange | positioned on the outer side of the width direction W rather than the outer edge 20E of the absorber 20. As shown in FIG. Yes.

以上、上述の実施形態を用いて本発明について詳細に説明したが、当業者にとっては、本発明が本明細書中に説明した実施形態に限定されるものではないということは明らかである。本発明は、特許請求の範囲の記載により定まる本発明の趣旨及び範囲を逸脱することなく修正及び変更態様として実施することができる。従って、本明細書の記載は、例示説明を目的とするものであり、本発明に対して何ら制限的な意味を有するものではない。   Although the present invention has been described in detail using the above-described embodiments, it is obvious to those skilled in the art that the present invention is not limited to the embodiments described in this specification. The present invention can be implemented as modified and changed modes without departing from the spirit and scope of the present invention defined by the description of the scope of claims. Therefore, the description of the present specification is for illustrative purposes and does not have any limiting meaning to the present invention.

１…吸収性物品
１１…表面シート
１２…セカンドシート
１３…裏面シート
１４…サイドシート
２０…吸収体
１１０…第１圧搾溝
１１０Ａ…第１高圧搾領域
１１０Ｂ…第１低圧搾領域
１２０…第２圧搾溝
１２０Ａ…第２高圧搾領域
１２０Ｂ…第２低圧搾領域 DESCRIPTION OF SYMBOLS 1 ... Absorbent article 11 ... Top sheet 12 ... Second sheet 13 ... Back sheet 14 ... Side sheet 20 ... Absorber 110 ... 1st pressing groove 110A ... 1st high pressing area 110B ... 1st low pressing area 120 ... 2nd pressing Groove 120A ... second high pressing area 120B ... second low pressing area

Claims (7)

液透過性の表面シートと、液不透過性の裏面シートと、前記表面シートと前記裏面シートとの間に配置される吸収体とを有する吸収性物品であって、
前記吸収性物品の長手方向に沿って、前記表面シートから前記吸収体までを圧搾するように構成されている第１圧搾溝及び第２圧搾溝が設けられており、
前記第２圧搾溝は、前記第１圧搾溝よりも、前記吸収性物品の幅方向の外側に設けられており、
前記第１圧搾溝内において、複数の第１高圧搾領域が設けられており、かつ、該第１高圧搾領域の周囲を囲むように第１低圧搾領域が設けられており、
前記第２圧搾溝内において、複数の第２高圧搾領域が設けられており、かつ、該第２高圧搾領域の周囲を囲むように第２低圧搾領域が設けられており、
前記第１圧搾溝において、前記長手方向に連続する第１領域が設けられており、前記第１領域の少なくとも一部は、前記吸収性物品の***口当接領域に存在しており、
前記第２圧搾溝において、前記長手方向に連続する第２領域が設けられており、前記第２領域の少なくとも一部は、前記***口当接領域に存在しており、
前記第１領域内の全域において、前記幅方向に沿って前記第１高圧搾領域と前記第１低圧搾領域とが隣接して配置されており、
前記第２領域内に、前記幅方向に沿って前記第２高圧搾領域と前記第２低圧搾領域とが隣接して配置されている部分と、前記幅方向に沿って前記第２低圧搾領域のみが配置されている部分とが設けられていることを特徴とする吸収性物品。 An absorbent article having a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body disposed between the top sheet and the back sheet,
A first pressing groove and a second pressing groove configured to squeeze from the top sheet to the absorbent body are provided along the longitudinal direction of the absorbent article,
The second pressing groove is provided on the outer side in the width direction of the absorbent article than the first pressing groove,
In the first pressing groove, a plurality of first high pressing areas are provided, and a first low pressing area is provided so as to surround the first high pressing area,
In the second pressing groove, a plurality of second high pressing areas are provided, and a second low pressing area is provided so as to surround the second high pressing area,
In the first squeezing groove, a first region continuous in the longitudinal direction is provided, and at least a part of the first region is present in the excretory opening contact region of the absorbent article,
In the second compressed groove, a second region continuous in the longitudinal direction is provided, at least a part of the second region is present in the excretory opening contact region,
In the entire region in the first region, the first high pressure region and the first low pressure region are disposed adjacent to each other along the width direction,
In the second region, the second high pressure region and the second low pressure region are disposed adjacent to each other along the width direction, and the second low pressure region along the width direction. The absorbent article characterized by being provided with the part in which only is arrange | positioned. 前記第１高圧搾領域の各々は、前記第２高圧搾領域の各々よりも小さくなるように構成されていることを特徴とする請求項１に記載の吸収性物品。   The absorbent article according to claim 1, wherein each of the first high pressure areas is configured to be smaller than each of the second high pressure areas. 前記第１高圧搾領域と前記第１圧搾溝の側縁とが接触する部分は、前記第２高圧搾領域と前記第２圧搾溝の側縁とが接触する部分よりも長くなるように構成されていることを特徴とする請求項１に記載の吸収性物品。   The portion where the first high pressure region and the side edge of the first pressing groove are in contact with each other is configured to be longer than the portion where the second high pressure region and the side edge of the second pressing groove are in contact with each other. The absorptive article according to claim 1 characterized by things. 前記第１低圧搾領域と前記第１圧搾溝の側縁とが接触している部分は、前記第２低圧搾領域と前記第２圧搾溝の側縁とが接触している部分よりも短くなるように構成されていることを特徴とする請求項１に記載の吸収性物品。   The portion where the first low pressure area and the side edge of the first pressing groove are in contact is shorter than the portion where the second low pressure area and the side edge of the second pressing groove are in contact. The absorbent article according to claim 1, which is configured as described above. 前記第１圧搾溝内における単位面積あたりの前記吸収体の質量は、前記第２圧搾溝内における単位面積あたりの前記吸収体の質量よりも大きくなるように構成されていることを特徴とする請求項１に記載の吸収性物品。   The mass of the absorber per unit area in the first pressing groove is configured to be larger than the mass of the absorber per unit area in the second pressing groove. Item 10. An absorbent article according to Item 1. 前記第１圧搾溝内で圧搾されているシートのうち前記吸収体よりも肌当接面側に配置されているシートの枚数は、前記第２圧搾溝内で圧搾されているシートのうち該吸収体よりも肌当接面側に配置されているシートの枚数よりも多くなるように構成されていることを特徴とする請求項１に記載の吸収性物品。   Of the sheets squeezed in the first squeezing groove, the number of sheets arranged closer to the skin contact surface than the absorber is the absorption of the sheet squeezed in the second squeezing groove. The absorbent article according to claim 1, wherein the absorbent article is configured to be larger than the number of sheets disposed on the skin contact surface side than the body. 前記吸収体の外縁によって規定される曲線の形状と、前記第１圧搾溝の側縁によって形成される曲線の形状と、前記第２圧搾溝の側縁によって形成される曲線の形状とが異なるように構成されていることを特徴とする請求項１に記載の吸収性物品。   The shape of the curve defined by the outer edge of the absorbent body is different from the shape of the curve formed by the side edge of the first pressing groove and the shape of the curve formed by the side edge of the second pressing groove. The absorbent article according to claim 1, wherein the absorbent article is configured as follows.
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