JP3696225B2 - Method for manufacturing absorbent article - Google Patents

Method for manufacturing absorbent article Download PDF

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JP3696225B2
JP3696225B2 JP2004168807A JP2004168807A JP3696225B2 JP 3696225 B2 JP3696225 B2 JP 3696225B2 JP 2004168807 A JP2004168807 A JP 2004168807A JP 2004168807 A JP2004168807 A JP 2004168807A JP 3696225 B2 JP3696225 B2 JP 3696225B2
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absorbent
main body
sheet
manufacturing
absorbent main
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JP2004305763A (en
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治三 樋田
和弘 田川
芳信 町田
賢治 安藤
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Kao Corp
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Description

本発明は、吸収性物品、特に幼児用、大人用、あるいは失禁者用のパンツ型使い捨ておむつとして用いられる吸収性物品の製造方法に関する。   The present invention relates to a method for producing an absorbent article, particularly an absorbent article used as a pants-type disposable diaper for infants, adults, or incontinent persons.

パンツ型使い捨ておむつとして、液透過性のトップシートと、液不透過性のバックシートと、これら両シート間に配置される吸収体とを有する吸収性本体を備え、該吸収性本体は、腹側部、股下部及び背側部からなっており、上記腹側部及び上記背側部それぞれの両側縁部を接合固定して、ウエスト開口部及び一対のレッグ開口部を形成したものは知られている。(特開昭61−207605号公報参照)   The pants-type disposable diaper includes an absorbent main body having a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body disposed between the two sheets. It is known that the waist opening and the pair of leg openings are formed by joining and fixing the both side edges of the abdomen and the dorsal part. Yes. (See JP-A-61-207605)

上記のパンツ型使い捨ておむつは、一対のレッグ開口部及び1つのウエスト開口部をそれぞれ伸縮自在に形成して体型にフィットするように構成されており、通常、着用者自らが立位の状態で着用することができるので、幼児の「おむつ離れ」を促進するためのトイレットトレーニング用として、また、失禁者用もしくは歩行可能な成人用として用いられている。そして、この種のパンツ型使い捨ておむつは、いわゆるフラット型のおむつに比較して、通常の下着と同様に着用者が自分で上げ下げできるという点に特徴を有する。   The above-mentioned pants-type disposable diapers are configured to fit a body shape by forming a pair of leg openings and one waist opening, respectively, and are usually worn by the wearer in a standing position. Therefore, it is used for toilet training for promoting “separation of diapers” of infants, and for incontinent persons or for walkable adults. And this kind of underpants type disposable diaper has the characteristic that a wearer can raise and lower himself / herself like normal underwear compared with what is called a flat type diaper.

また、上記のようなパンツ型使い捨ておむつにおいて、レッグ開口部からの漏れ防止効果等を向上させるために、一対のレッグ開口部の開口周縁部にそれぞれ弾性部材を配してギャザーを形成したものも知られている(特開昭58−115106号、特開昭58−115107号、特開平3−33201号、特開平3−139349号及び実開平3−16920号の各公報参照)。   Moreover, in the above-mentioned pants-type disposable diapers, in order to improve the effect of preventing leakage from the leg openings, etc., a gather is formed by arranging elastic members on the opening peripheral edges of the pair of leg openings, respectively. (See JP-A-58-115106, JP-A-58-115107, JP-A-3-33201, JP-A-3-139349 and JP-A-3-16920).

そして、上記公報には、パンツ型使い捨ておむつの連続製造方法が示唆されており、また、特開昭57−77304号公報には、上記のようなパンツ型使い捨ておむつの連続製造方法が開示されている。
また、特開昭57−77304号、117602号(ブサック)には、股下部にギャザーが無いかあるいは一点で交差しているギャザーに関する技術が開示されている。
And the above publication suggests a continuous production method for pants-type disposable diapers, and JP-A-57-77304 discloses a continuous production method for pants-type disposable diapers as described above. Yes.
Japanese Patent Application Laid-Open Nos. 57-77304 and 117602 (Busac) disclose a technique relating to gathers in which there is no gather in the crotch part or intersects at one point.

特開昭61−207605号公報Japanese Patent Laid-Open No. 61-207605 特開昭58−115106号公報JP 58-115106 A 特開昭58−115107号公報JP 58-115107 A 特開平3−33201号公報JP-A-3-33201 特開平3−139349号公報JP-A-3-139349 実開平3−16920号公報Japanese Utility Model Publication No. 3-16920 特開昭57−77304号公報JP-A-57-77304 特開昭57−117602号公報Japanese Patent Laid-Open No. 57-117602

しかしながら、上記特開昭58−115106号、115107号の両公報に記載のパンツ型使い捨ておむつは、バーミューダ型のパンツの裾口にギャザーを配置してあるため、着用者の動きに追従できず、このため、フィット性が悪く、排泄物が漏れたり、大腿部にギャザーの跡が付いたりし易い。   However, the pants-type disposable diapers described in both the above-mentioned JP-A-58-115106 and No. 115107 have gathers arranged at the bottom of the Bermuda-type pants, and therefore cannot follow the movement of the wearer. For this reason, fit property is bad, and excrement leaks, or a trace of gathers is easily attached to the thigh.

また、特開平3−33201号公報及び実開平3−16920号公報に記載のパンツ型使い捨ておむつは、図に示す如く、レッグ開口部22、22の開口周縁部22a、22aに弾性部材15、15が連続して配されているが、該弾性部材15、15の交差部14が上記開口周縁部22aに存在する。該交差部14では弾性部材15の収縮応力が小さいので、そこから漏れを生じ易く、また、大腿部にギャザーの跡がついたり、着用感に問題がある他に、外観上も好ましいものとは言い難い。 Moreover, pants-type disposable diaper described in JP-A-3-33201 JP and real Hei 3-16920 discloses, as shown in FIG. 9, the elastic member 15 opening peripheral portion 22a of the leg openings 22, 22 to 22a, Although 15 is continuously arranged, the crossing part 14 of the elastic members 15 and 15 exists in the opening peripheral part 22a. Since the elastic member 15 has a small shrinkage stress at the crossing portion 14, it is easy to leak from the elastic member 15. Is hard to say.

また、上記特開平3−139349号公報及び上記実開平3−16920号公報に示唆されている連続製造方法では、上述の問題等を有するおむつしか製造することができず、製造上も、ギャザーの揺動幅が大きく、高速で生産できない欠点がある。また、上記特開昭57−77304号公報に記載の連続製造方法による場合にも、弾性部材がおむつの股下部に配されたおむつしか製造することはできず、しかも得られるおむつは、レッグ開口部の開口周縁部の全周に弾性部材の配されていないものである。   Moreover, in the continuous production method suggested in the above Japanese Patent Laid-Open No. 3-139349 and the above-mentioned Japanese Utility Model Laid-Open No. 3-16920, only diapers having the above-mentioned problems can be produced. There is a disadvantage that the swinging width is large and it cannot be produced at high speed. Even in the case of the continuous production method described in JP-A-57-77304, it is only possible to produce a diaper in which the elastic member is arranged on the crotch part of the diaper, and the obtained diaper has a leg opening. The elastic member is not arranged on the entire periphery of the opening peripheral edge of the part.

従って、本発明の目的は、漏れ防止効果が高く、着用感に優れた吸収性物品の連続製造方法を提供することにある。   Therefore, the objective of this invention is providing the continuous manufacturing method of the absorbent article with the high leak prevention effect and excellent in a feeling of wear.

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発明は、液透過性のトップシートと、液不透過性のバックシートと、これら両シート間に配置される吸収体とを有する吸収性本体を備え、該吸収性本体は、腹側部、股下部及び背側部からなっており、上記腹側部及び上記背側部それぞれの両側縁部を接合固定して、ウエスト開口部及び一対のレッグ開口部を形成し且つ少なくとも一対の該レッグ開口部それぞれの開口周縁部にそれぞれギャザーを形成した吸収性物品において、上記吸収性本体における、上記腹側部及び上記背側部それぞれの一方の側縁部の一部の内側並びに上記股下部の一方の側縁部の内側に沿い、上記股下部中央を横断し、且つ他方の側縁部の内側に沿って弾性部材が配されるように、少なくとも第一及び第二の弾性部材を配設してあり、上記第一及び第二の弾性部材は、それぞれ複数本の部材からなり、上記股下部において相互に少なくとも一部が重複して張設固定されている吸収性物品の製造方法であって、
所定巾の連続する少なくとも2層の積層体よりなるバックシートの層間に、第一及び第二の弾性部材を、それぞれ所定の間隔で上記バックシートの巾方向に揺動して張設固定した後、複数個の吸収体を一定間隔で上記バックシート上に配し、その後、該吸収体上に所定巾の連続する液透過性のトップシートを配して、少なくとも上記各吸収体の股下部における両側縁部の外側近傍にそれぞれ上記弾性部材が張設固定された吸収性本体連続体を製造する製造工程と、上記製造工程で得られる吸収性本体連続体を、隣接する上記吸収体間の中央部でそれぞれ切断して複数の吸収性本体を得る切断工程と、各吸収性本体の腹側部及び背側部それぞれの両側縁部を接合固定する接合工程とを具備することを特徴とする吸収性物品の製造方法を提供するものである。
The present invention includes an absorbent main body having a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body disposed between the two sheets. It consists of a crotch part and a dorsal side part, the both side edge parts of the abdomen side part and the dorsal side part are joined and fixed to form a waist opening part and a pair of leg opening parts, and at least a pair of the leg openings. In an absorbent article in which gathers are formed on each opening peripheral edge of each part, the inside of a part of one side edge of each of the abdomen and the back in the absorbent main body and one of the crotch At least a first elastic member and a second elastic member are disposed so as to be disposed along the inside of the side edge portion, across the crotch center, and along the inside of the other side edge portion. The first and second elastic members Each made of a plurality of members, a method of manufacturing an absorbent article at least partially mutually overlap is stretched secured in the crotch portion,
After the first and second elastic members are oscillated and fixed in the width direction of the back sheet at predetermined intervals between the layers of the back sheet composed of at least two continuous layers having a predetermined width. A plurality of absorbent bodies are arranged on the back sheet at regular intervals, and then a continuous liquid-permeable top sheet of a predetermined width is disposed on the absorbent body, at least in the crotch portion of each of the absorbent bodies A manufacturing process for manufacturing an absorbent main body continuous body in which the elastic member is stretched and fixed in the vicinity of the outer sides of both side edge portions, and an absorbent main body continuous body obtained in the manufacturing process, and a center between adjacent absorbent bodies An absorption process comprising: a cutting step of cutting a plurality of absorbent main bodies by cutting each of the portions; and a bonding step of bonding and fixing both side edges of each of the abdominal and back sides of each absorbent main body Providing a method for manufacturing a functional article Than it is.

本発明の吸収性物品の製造方法によれば、漏れ防止効果が高く、着用感に優れた吸収性物品を容易に且つ連続的に製造することができる。   According to the method for manufacturing an absorbent article of the present invention, it is possible to easily and continuously manufacture an absorbent article having a high leakage prevention effect and excellent wearing feeling.

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また、本発明の製造方法によれば、少なくとも第一及び第二の弾性部材を、それぞれ所定の間隔で、連続するバックシートの巾方向に揺動して所定の位置に張設固定しているため、容易に且つ連続的に上記吸収性物品を製造することができる。   Further, according to the manufacturing method of the present invention, at least the first and second elastic members are each fixed at predetermined intervals by swinging in the width direction of the continuous backsheet at predetermined intervals. Therefore, the said absorbent article can be manufactured easily and continuously.

以下に、先ず、本発明の製造方法により製造される吸収性物品の一形態であるパンツ型の使い捨ておむつについて、図面を参照しながら説明する。
図7及び図8は、それぞれ、本発明の製造方法により製造されるパンツ型の使い捨ておむつにおける展開状態の吸収性本体の概略を示す図である。また、図11及び図12は、それぞれ、本発明の製造方法により製造されるパンツ型の使い捨ておむつにおける吸収性本体の断面形状の概略を示す図である。
図1〜図6は、図7及び図8に示す展開状態の吸収性本体における弾性部材の配置位置(重合の有無)が異なる参考形態を示すものである。また、図10は、図11及び図12に示す吸収性本体におけるバックシートの層構造が異なる参考形態を示すものである。
図1〜図6に示す参考形態は、弾性部材の配置位置が異なる以外は、図7及び図8に示す形態と同様の構成を有している。また、図10に示す参考形態は、バックシートの層構造が異なる以外は、図11及び図12に示す形態と同様の構成を有している。
従って、図7及び図8に示す形態の説明においては、図1〜図6に示す参考形態についての説明が適宜適用される。また、図11及び図12に示す形態の説明においては、図10に示す参考形態についての説明が適宜適用される。
図1は、上記参考形態の吸収性物品であるパンツ型使い捨ておむつを示す斜視図、図2は、それを展開した状態の吸収性本体を一部省略して示す平面図である。
Below, the underpants type disposable diaper which is one form of the absorbent article manufactured with the manufacturing method of this invention is demonstrated, referring drawings.
FIG.7 and FIG.8 is a figure which shows the outline of the absorptive main body of the expansion | deployment state in the underpants type disposable diaper manufactured by the manufacturing method of this invention, respectively. Moreover, FIG.11 and FIG.12 is a figure which shows the outline of the cross-sectional shape of the absorptive main body in the underpants type disposable diaper manufactured by the manufacturing method of this invention, respectively.
FIGS. 1-6 shows the reference form from which the arrangement position (the presence or absence of superposition | polymerization) of the elastic member in the absorptive main body of the unfolding state shown in FIG.7 and FIG.8 differs. Moreover, FIG. 10 shows the reference form from which the layer structure of the back seat | sheet in the absorptive main body shown in FIG.11 and FIG.12 differs.
The reference forms shown in FIGS. 1 to 6 have the same configuration as the forms shown in FIGS. 7 and 8 except that the arrangement positions of the elastic members are different. Moreover, the reference form shown in FIG. 10 has the same configuration as the form shown in FIGS. 11 and 12 except that the layer structure of the backsheet is different.
Therefore, in the description of the embodiment shown in FIGS. 7 and 8, the description of the reference embodiment shown in FIGS. Moreover, in description of the form shown in FIG.11 and FIG.12, description about the reference form shown in FIG. 10 is applied suitably.
Figure 1 is a perspective view showing a pants-type disposable diaper is absorptive material products of the Reference Embodiment, FIG. 2 is a plan view partially showing an absorbent body of a developed state it.

参考形態のパンツ型使い捨ておむつ20は、図1に示す如く、着用者の肌に接する側を形成する液透過性のトップシート1と、トップシート1に対応する液不透過性のバックシート2と、これら両シート間に配置されて排泄物を吸収する吸収体3とを有する吸収性本体10Aを備え、該吸収性本体10Aは、腹側部11、股下部12及び背側部13からなっており、上記腹側部11及び上記背側部13それぞれの両側縁部11a、11a及び13a、13aを接合固定して、ウエスト開口部21及び一対のレッグ開口部22、22を形成して構成されており、これらの構成は従来品と同様である。 As shown in FIG. 1, the pants-type disposable diaper 20 of the reference form includes a liquid-permeable top sheet 1 that forms a side in contact with the wearer's skin, and a liquid-impermeable back sheet 2 corresponding to the top sheet 1. The absorbent main body 10A having an absorbent body 3 that is disposed between the two sheets and absorbs excrement is provided. The absorbent main body 10A includes a ventral side portion 11, a crotch portion 12, and a back side portion 13. The side edge portions 11a, 11a and 13a, 13a of the abdominal side portion 11 and the back side portion 13 are joined and fixed to form a waist opening portion 21 and a pair of leg opening portions 22, 22. These configurations are the same as the conventional products.

而して、参考形態のパンツ型使い捨ておむつ20に用いられる上記吸収性本体10Aは、その展開状態(接合前の状態)においては、図2に示す如く、その中央部(股下部12)の両側が湾曲状にくびれた形状をしており、上記腹側部11及び上記背側部13それぞれの一方の側縁部11a、13aの一部の内側並びに上記股下部12の一方の側縁部12aの内側に沿い、上記股下部12中央を横断し、且つ他方の側縁部12a、11a、13aの内側に沿って弾性部材が配されるように、腹側部側に第一の弾性部材15aを、また背側部側に第二の弾性部材15bをそれぞれ張設固定し、且つ上記第一及び第二の弾性部材15a及び15bは、上記股下部12中央においては相互に平行に接近させて配されている。 Thus, the absorbent main body 10A used in the pants-type disposable diaper 20 of the reference form is in the unfolded state (the state before joining), as shown in FIG. Has a curved constricted shape, and a part of one side edge portion 11a, 13a of each of the abdominal side portion 11 and the back side portion 13 and one side edge portion 12a of the crotch portion 12 are provided. The first elastic member 15a on the ventral side so that the elastic member is disposed along the inside of the crotch 12 and along the inside of the other side edge 12a, 11a, 13a. The second elastic member 15b is stretched and fixed on the back side, and the first and second elastic members 15a and 15b are made to approach each other in parallel at the crotch 12 center. It is arranged.

上記吸収性本体10Aについて更に説明すると、上記第一の弾性部材15aと上記第二の弾性部材15bとの股下部12における間隔は、排泄物が漏れない程度であり、0〜20mmであることが望ましい。図に示す従来の吸収性物品のように第一の弾性部材と第二の弾性部材とが交差していると、弾性部材で囲まれた領域を生じ、外観上ましくないばかりか、交差部において弾性部材の収縮力が阻害されて該部位から漏れを生じ易くなる。また、上記間隔が20mmを越えると、レッグ開口部の周縁部に弾性部材が配されていない部位が生じ、同様に該部位から漏れを生じ易くなる。 To further explain the absorbent main body 10A, the distance between the first elastic member 15a and the second elastic member 15b in the crotch part 12 is such that excrement does not leak, and is 0 to 20 mm. desirable. When the first elastic member as in the conventional absorbent article shown in FIG. 9 and the second elastic members intersect, resulting a region surrounded by the elastic member, appearance good better wards only or, The contraction force of the elastic member is hindered at the crossing portion, and leakage easily occurs from the portion. Further, when the distance exceeds 20 mm, a portion where no elastic member is disposed at the periphery of the leg opening portion is generated, and similarly, leakage from the portion is likely to occur.

上記股下部12においては、上記第一の弾性部材15a及び上記第二の弾性部材15bは、固定されておらず、伸縮応力が阻害されないように設けられており、このようにすることは外観上も好ましい。   In the crotch part 12, the first elastic member 15 a and the second elastic member 15 b are not fixed and are provided so as not to hinder expansion and contraction stress. Is also preferable.

また、上記第一の弾性部材15aと上記第二の弾性部材15bとはそれぞれ1本である必要はなく、糸状のものをそれぞれ間隔を置いて複数本ずつ配置してもよく、更には上記第一及び第二の弾性部材15a、15bの伸縮応力が異なるように配置してもよい。複数本配置した場合の各部材の間隔は0.5〜5mmの範囲であることが望ましい。   Further, the first elastic member 15a and the second elastic member 15b do not need to be one each, and a plurality of thread-like members may be arranged at intervals. You may arrange | position so that the expansion-contraction stress of the 1st and 2nd elastic members 15a and 15b may differ. The interval between the members when a plurality of members are arranged is preferably in the range of 0.5 to 5 mm.

参考形態のパンツ型使い捨ておむつ20は、上述の吸収性本体10Aを、図1に示す如く、その腹側部11の両側縁部11a、11aとその背側部13の両側縁部13a、13aとを接合固定することにより、上記弾性部材15a、15bでそれぞれ弾性環状部24、24を形成し、該弾性環状部24、24により、一対のレッグ開口部22、22それぞれの開口周縁部22a、22aにそれぞれギャザー23、23を形成して構成されている。尚、図1では、便宜上、上記弾性部材15a、15bは破線で示すべきところを実線で示してある。 The pants-type disposable diaper 20 of the reference form includes the above-described absorbent main body 10A, as shown in FIG. The elastic members 15a and 15b form elastic annular portions 24 and 24, respectively, and the elastic annular portions 24 and 24 form the opening peripheral portions 22a and 22a of the pair of leg openings 22 and 22, respectively. The gathers 23 and 23 are formed respectively. In FIG. 1, for the sake of convenience, the elastic members 15a and 15b are indicated by solid lines where they should be indicated by broken lines.

上述の吸収性本体10Aの接合部は、縦方向に容易に引き裂くことができるようになっていることが好ましく、これにより着用者の肌を汚すことなく、該接合部において使い捨ておむつ20を容易に引き裂くことができ、使い捨ておむつ20を簡単に脱いで廃棄することができる。また、上記接合部は、例えば、ホットメルト型の粘着剤あるいは超音波による接合が可能な素材を用い、接合後においても感触が柔軟であることが好ましい。   It is preferable that the joint portion of the absorbent main body 10A described above can be easily torn in the vertical direction, and thus the disposable diaper 20 can be easily formed at the joint portion without soiling the wearer's skin. The disposable diaper 20 can be easily removed and discarded. In addition, for example, a hot melt pressure-sensitive adhesive or a material that can be joined by ultrasonic waves is used for the joining portion, and it is preferable that the feel is flexible even after joining.

また、参考形態の使い捨ておむつ20は、上記吸収体3の股下領域が縊れた砂時計状に形成され、トップシート1及びバックシート2も該吸収体3の形状に即して股下領域が上述の如く湾曲形状に形成されている。 Moreover, the disposable diaper 20 of the reference form is formed in an hourglass shape in which the crotch region of the absorbent body 3 is rolled, and the crotch region of the top sheet 1 and the back sheet 2 is also in accordance with the shape of the absorbent body 3 as described above. Thus, it is formed in a curved shape.

参考形態の使い捨ておむつ20に用いられる上記トップシート1は、排泄物を上記吸収体3へ透過させる液透過性シートで肌着に近い感触を有するものが好ましく、このような液透過性シートとしては、例えば、織布、不織布、多孔性フィルム等が好ましい。 The top sheet 1 used in the disposable diaper 20 of the reference form is preferably a liquid permeable sheet that allows excrement to permeate the absorbent body 3 and has a touch close to underwear. As such a liquid permeable sheet, For example, a woven fabric, a nonwoven fabric, a porous film, etc. are preferable.

また、トップシート1は、その周縁にシリコン系油剤、パラフィンワックス等の疎水性化合物を塗布する方法や、予め全体にアルキルリン酸エステルのような親水性化合物を塗布し、次いで周縁を温水で洗浄する方法により、トップシート1の周縁に撥水処理を施し、周縁における尿等の滲みによる漏れを防止することができる。   In addition, the top sheet 1 is coated with a hydrophobic compound such as a silicone-based oil or paraffin wax on the periphery, or a hydrophilic compound such as an alkyl phosphate is applied over the entire surface, and then the periphery is washed with warm water. By this method, the peripheral edge of the top sheet 1 is subjected to water repellent treatment, and leakage due to bleeding such as urine at the peripheral edge can be prevented.

参考形態の使い捨ておむつ20に用いられる上記バックシート2は、熱可塑性樹脂にフィラーを加えて延伸した、蒸気を透過させる透湿性があり且つ液不透過性であるシートが好ましく、また、肌着に近い感触を有するものが好ましい。このような液不透過性シートとしては、例えば、フィルムと不織布との複合材等が好ましい。 The back sheet 2 used in the disposable diaper 20 of the reference form is preferably a sheet that is stretched by adding a filler to a thermoplastic resin and is permeable to vapor and is liquid-impermeable, and close to underwear. What has a touch is preferable. As such a liquid-impermeable sheet, for example, a composite material of a film and a nonwoven fabric is preferable.

参考形態の使い捨ておむつ20に用いられる上記吸収体3は、解繊パルプを主材とした高分子吸水ポリマーを併用したものが好ましく、また熱可塑性樹脂、セルロース繊維、高分子吸水ポリマーの混合物に熱処理を施したものが好ましい。高分子吸水ポリマーの存在位置は、吸収体3の上層、中層、下層のいずれでもよく、また、パルプと混合したものであってもよい。また、該高分子吸水ポリマーは自重の20倍以上の液体を吸収して保持し得る保持性能を有し、ゲル化する性質を有する粒子状のものが好ましく、このような高分子吸水ポリマーとしては、例えば、デンプン−アクリル酸(塩)グラフト共重合体、デンプン−アクリロニトリル共重合体のケン化物、ナトリウムカルボキシメチルセルロースの架橋物、アクリル酸(塩)重合体などが好ましい。 The absorbent body 3 used in the disposable diaper 20 of the reference form is preferably used in combination with a polymer water-absorbing polymer mainly composed of defibrated pulp, and heat-treated to a mixture of thermoplastic resin, cellulose fiber and polymer water-absorbing polymer. Those subjected to are preferred. The polymer water-absorbing polymer may be present in any of the upper layer, middle layer, and lower layer of the absorbent body 3, or may be mixed with pulp. The polymer water-absorbing polymer is preferably in the form of particles having a retention property capable of absorbing and retaining a liquid 20 times or more of its own weight and having a gelling property. For example, starch-acrylic acid (salt) graft copolymer, saponified product of starch-acrylonitrile copolymer, cross-linked product of sodium carboxymethyl cellulose, acrylic acid (salt) polymer and the like are preferable.

参考形態の使い捨ておむつ20に用いられる弾性伸縮部材(上記弾性部材15a、15b等)は、糸ゴム、平ゴム、フィルムタイプのゴムあるいはフィルム状の発泡ポリウレタンが好ましく、また、150%伸長時の応力が70〜100グラムであるものが好ましく、また、伸縮性と通気性を有する不織布タイプのものが好ましい。 Elastic elastic members (such as the elastic members 15a and 15b) used in the disposable diaper 20 of the reference form are preferably thread rubber, flat rubber, film type rubber, or film-like foamed polyurethane, and stress at 150% elongation. Is preferably a non-woven fabric type having stretchability and breathability.

参考形態のパンツ型使い捨ておむつ20は、上述の如く構成されているため、漏れ防止効果が高く、着用感に優れている。 Since the pants-type disposable diaper 20 of the reference form is configured as described above, the leakage prevention effect is high and the wearing feeling is excellent.

また、参考形態のパンツ型使い捨ておむつを形成する吸収性本体として、図2に示す吸収性本体10Aの他に、図3に示す吸収性本体連続体10から該吸収性本体10Aを得る場合と同様に図6に示す吸収性本体連続体10を切断して得られる吸収性本体10B(図5参照)、即ち、上記第一の弾性部材15aと上記第二の弾性部材15bとをそれぞれ複数本の部材からなるものとし、且つ両者を股下部12において相互に平行であるように張設した吸収性本体10Bを用いた場合にも、図1に示すパンツ型使い捨ておむつ20と実質上同様な構成からなり、同様な効果を奏し、且つ腰部の良好な着用状態が得られるパンツ型使い捨ておむつが得られる。 Moreover, as an absorptive main body which forms the underpants type disposable diaper of a reference form, the same as the case where this absorptive main body 10A is obtained from the absorptive main body continuous body 10 shown in FIG. 3 other than the absorptive main body 10A shown in FIG. The absorbent main body 10B (see FIG. 5) obtained by cutting the absorbent main body continuous body 10 shown in FIG. 6, that is, a plurality of the first elastic member 15a and the second elastic member 15b, respectively. Also in the case of using the absorbent main body 10B that is composed of members and is stretched so that both are parallel to each other in the crotch portion 12, the structure is substantially the same as the pants-type disposable diaper 20 shown in FIG. Thus, a pants-type disposable diaper that has the same effect and can obtain a good wearing state of the waist can be obtained.

次に、本発明の製造方法の一実施態様により製造される吸収性物品であるパンツ型使い捨ておむつについて、図7及び図8を参照して説明する。尚、前述したように、図7及び図8に示す形態について特に説明しない点については、図1〜図6に示す参考形態についての説明が適宜適用される。Next, a pants-type disposable diaper, which is an absorbent article manufactured by one embodiment of the manufacturing method of the present invention, will be described with reference to FIGS. Note that, as described above, the description of the reference mode shown in FIGS. 1 to 6 is appropriately applied to points that are not particularly described in the mode shown in FIGS. 7 and 8.
本発明の製造方法の一実施態様により製造されるパンツ型使い捨ておむつを形成する吸収性本体として、別の吸収性本体連続体(図示せず)をそれぞれ上記と同様に切断して得られる吸収性本体10D及び10Eを用いることができる。これらの吸収性本体10D及び10Eは、それぞれ図7及び図8に示す如く、上記第一及び第二の弾性部材15a及び15bをそれぞれ複数本の部材からなるものとし、且つ股下部12における相互の平行状態を維持したまま両弾性部材の重複の程度を変えたもので、10Dは両弾性部材が一部重複したもの、10Eは両弾性部材が完全に重複したものである。これらの吸収性本体10D及び10Eを用いた場合にも、それぞれ図1に示すパンツ型使い捨ておむつ20と実質上同様な構成からなり、同様な効果を奏し、且つ腰部の良好な着用状態が得られるパンツ型使い捨ておむつが得られる。As an absorbent main body forming a pants-type disposable diaper manufactured according to an embodiment of the manufacturing method of the present invention, another absorbent main body (not shown) is obtained by cutting in the same manner as described above. The main bodies 10D and 10E can be used. These absorbent main bodies 10D and 10E are each composed of a plurality of the first and second elastic members 15a and 15b as shown in FIGS. 7 and 8, respectively. The degree of overlap of both elastic members is changed while maintaining the parallel state. 10D is a part of which both elastic members overlap, and 10E is a part of which both elastic members are completely overlapped. Even when these absorbent main bodies 10D and 10E are used, they each have substantially the same configuration as the pants-type disposable diaper 20 shown in FIG. 1, and have the same effect and a good wearing state of the waist. A pants-type disposable diaper is obtained.

次に、本発明の吸収性物品の製造方法の参考態様説明する。該参考態様は、その製造対象が上記参考形態である点で本発明の製造方法とは異なるが、その点を除き、本発明の製造方法における各工程を実施するものである。
上記参考形態のパンツ型使い捨ておむつ20を製造する本発明の製造方法の参考態様について図1〜図3を参照しながら説明する。
図2及び図3は、それぞれ本発明の製造方法の参考態様の要部を示すもので、図2は図1に示す参考形態のパンツ型使い捨ておむつを形成する吸収性本体を一部省略して示す平面図、図3は図1に示す参考形態のパンツ型使い捨ておむつの製造に用いられる吸収性本体の連続体を示す平面図である。
Next, the reference aspect of the manufacturing method of the absorbent article of this invention is demonstrated . The reference embodiment is different from the manufacturing method of the present invention in that the manufacturing object is the above-described reference embodiment, but the steps in the manufacturing method of the present invention are performed except for this point.
Will be described with reference to FIGS. 1 to 3 for the reference embodiment of the production method of the present invention for producing a pants-type disposable diaper 20 of the reference embodiment.
2 and 3 show the main part of the reference mode of the production method of the present invention, respectively, and FIG. 2 omits part of the absorbent main body forming the pants-type disposable diaper of the reference mode shown in FIG. FIG. 3 is a plan view showing a continuous body of an absorbent main body used for manufacturing the pants-type disposable diaper of the reference form shown in FIG.

而して、本発明の製造方法の参考態様を実施するには、先ず、図3に示す如く、所定巾(この巾は、パンツ型使い捨ておむつの展開状態における長手方向の長さに相当する。)の連続する液不透過性のバックシート2上に、第一及び第二の弾性部材15a及び15bを、図2に示す吸収性本体10Aの巾Lと同じ間隔で、上記バックシート2の巾方向で且つ反対方向にそれぞれ揺動し且つ後から配される上記吸収体3の長手方向中央(上記股下部12)における上記バックシート2側で相互に平行となるように接近させて張設固定する。次いで、吸収体3を、上述の弾性部材15a、15bの接近部が該吸収体3の巾方向の中央部で且つ股下部12の外面側に位置するように配し、その後、該吸収体3上に所定巾の連続する液透過性のトップシート1(図示せず)を配して、図3に示す形態の吸収性本体連続体10を製造する。 Thus, in order to implement the reference embodiment of the manufacturing method of the present invention, first, as shown in FIG. 3, a predetermined width (this width corresponds to the length in the longitudinal direction in the unfolded state of the pants-type disposable diaper. ) On the continuous liquid-impermeable backsheet 2, the first and second elastic members 15 a and 15 b are spaced at the same interval as the width L of the absorbent main body 10 </ b> A shown in FIG. 2. In the opposite direction and in the opposite direction, and are stretched and fixed so as to be parallel to each other on the back sheet 2 side at the longitudinal center (the crotch part 12) of the absorbent body 3 arranged later. To do. Next, the absorbent body 3 is arranged so that the approaching portions of the elastic members 15a and 15b are located in the center in the width direction of the absorbent body 3 and on the outer surface side of the crotch part 12, and then the absorbent body 3 is placed. A continuous liquid-permeable top sheet 1 (not shown) having a predetermined width is disposed thereon to manufacture an absorbent main body continuum 10 having the form shown in FIG.

次いで、上記製造工程で得られた吸収性本体連続体10を、隣接する上記吸収体3、3間の中央部でそれぞれ切断して、図2に示す如き形状の複数の吸収性本体10Aを得る。また、この切断工程においては、上記の切断時若しくはその前後、または両側縁部の接合後に、図2に示す如く股下部12の両側縁部12a、12aが湾曲状にくびれた形状になるようにトップシート1及びバックシート2を、図3に示す円形部Pにおいて切除する。然る後、上記切断工程で得られた各吸収性本体10Aの腹側部11の両側縁部11a、11aと、背側部13の両側縁部13a、13aとを接合することにより、図1に示す参考形態のパンツ型使い捨ておむつ20が得られる。 Next, the absorbent main body continuous body 10 obtained in the manufacturing process is cut at the center between the adjacent absorbent bodies 3 and 3 to obtain a plurality of absorbent main bodies 10A having a shape as shown in FIG. . Further, in this cutting step, the side edges 12a and 12a of the crotch part 12 are constricted in a curved shape as shown in FIG. The top sheet 1 and the back sheet 2 are cut off at the circular portion P shown in FIG. Thereafter, by joining the both side edges 11a, 11a of the abdominal side 11 of each absorbent main body 10A obtained in the above cutting step and the both side edges 13a, 13a of the dorsal side 13, FIG. The underpants type disposable diaper 20 of the reference form shown in FIG.

尚、上記製造工程で得られた吸収性本体連続体10を、その各吸収性本体10Aの腹側部11の両側縁部11a、11aと、背側部13の両側縁部13a、13aとを接合した後、隣接する上記吸収体3、3間の中央部でそれぞれ切断して図2に示す吸収性本体10Aを得ることも可能である。   In addition, the absorbent main body continuum 10 obtained in the above-described manufacturing process includes both side edges 11a and 11a of the abdominal side 11 of each absorbent main body 10A and both side edges 13a and 13a of the back side 13. After joining, it is possible to obtain the absorbent main body 10A shown in FIG. 2 by cutting at the central part between the adjacent absorbers 3 and 3 respectively.

また、上記参考態様における弾性部材15a、15bをそれぞれ3本の部材よりなるものとすることにより、図6に示す吸収性本体連続体10及びこれを切断した図5に示す吸収性本体10Bを得ることができる。
更に、上記参考態様における弾性部材15a及び15bの揺動の仕方を一部変えることにより、図7及び8に示す吸収性本体10D及び10Eを得ることができる。
そして、上記吸収性本体10B、10D及び10Eを用いた場合にも、吸収性本体10Aを用いた場合と同様にして図1に示す如きパンツ型使い捨ておむつを得ることができる。
Further, by forming the elastic members 15a and 15b in the above-described reference mode from three members, the absorbent main body continuous body 10 shown in FIG. 6 and the absorbent main body 10B shown in FIG. be able to.
Furthermore, the absorbent main bodies 10D and 10E shown in FIGS. 7 and 8 can be obtained by partially changing the manner of swinging of the elastic members 15a and 15b in the reference embodiment.
And also when using the said absorptive main bodies 10B, 10D, and 10E, the underpants type disposable diaper as shown in FIG. 1 can be obtained similarly to the case where 10 A of absorptive main bodies are used.

上述の本発明の製造方法の参考態様によれば、少なくとも2本の弾性部材を、それぞれ所定の間隔で、連続するバックシートの巾方向に揺動して所定の位置に張設固定しているから、吸収性本体連続体を容易に且つ連続的に製造できると共に、この吸収性本体連続体から容易に且つ連続的に吸収性物品を製造することができる。 According to the above-described reference aspect of the manufacturing method of the present invention, at least two elastic members are swinging in the width direction of continuous backsheets at predetermined intervals, and are stretched and fixed at predetermined positions. Thus, the absorbent body continuum can be easily and continuously manufactured, and the absorbent article can be easily and continuously manufactured from the absorbent body continuum.

上述の本発明の吸収性物品の製造方法の参考態様は、図2のX−X線における断面形状が、略図10に示す如き形状(形態)のものに基づくものである(図10は第一の弾性部材15a又は第二の弾性部材15bが2本の部材により形成されている参考形態を示す)が、本発明の吸収性物品の製造方法は、次に説明するような形態のものの製造方法であ Reference Aspect of the method for manufacturing the absorbent article of the invention described above, the cross-sectional shape in the line X-X in FIG. 2, is based on the ones as shown in schematic 10 shape (form) (10 first The elastic member 15a or the second elastic member 15b is a reference embodiment in which the two elastic members 15b are formed of two members). However, the method for manufacturing an absorbent article according to the present invention is a method for manufacturing an article having the following configuration. der Ru.

即ち、本発明の吸収性物品の製造方法の一実施態様によれば、図11に示す如く、上記バックシート2が、少なくとも2層の積層体よりなり、上記弾性部材15(第一の弾性部材15a又は第二の弾性部材15b)が該積層体間の所定の位置に張設固定され、上記吸収体3が該積層体上に配置されている形態のパンツ型使い捨ておむつを製造することができる。尚、上記積層体を構成するシートとしては、フィルムや不織布等が用いられるが、少なくとも最外側に通常のバックシートとして用いられるシートが配置されていれば良い。 That is, according to one embodiment of the method for producing an absorbent article of the present invention, as shown in FIG. 11 , the back sheet 2 is composed of a laminate of at least two layers, and the elastic member 15 (first elastic member). 15a or the second elastic member 15b) is stretched and fixed at a predetermined position between the laminates, and a pants-type disposable diaper in which the absorbent body 3 is disposed on the laminate can be manufactured. . In addition, although a film, a nonwoven fabric, etc. are used as a sheet | seat which comprises the said laminated body, the sheet | seat used as a normal back sheet should just be arrange | positioned at least on the outermost side.

そして、図11に示す如き断面形態を有する使い捨ておむつを製造する場合には、前述した参考態様における吸収性本体連続体の製造工程を、例えば次のように変えれば良い。
即ち、所定巾の連続する少なくとも2層の積層体よりなるバックシート2の層間に、少なくとも第一及び第二の弾性部材15を、それぞれ所定の間隔で上記バックシート2の巾方向に揺動して張設固定した後、複数個の吸収体3を一定間隔で上記バックシート2上に配し、その後、該吸収体上に所定巾の連続する液透過性のトップシート1を配するという態様に変えれば良い。
And when manufacturing the disposable diaper which has a cross-sectional form as shown in FIG. 11 , the manufacturing process of the absorptive main body continuous body in the reference aspect mentioned above should just be changed as follows, for example.
That is, at least the first and second elastic members 15 are swung in the width direction of the back sheet 2 at predetermined intervals between the layers of the back sheet 2 composed of at least two continuous layers having a predetermined width. A plurality of absorbent bodies 3 are arranged on the back sheet 2 at regular intervals, and then a continuous liquid-permeable top sheet 1 having a predetermined width is arranged on the absorbent body. Change to

また、本発明の吸収性物品の製造方法の別の実施態様によれば、図12に示す如く、予め、液透過性のトップシート1と液不透過性(又は液透過性)のシート(別のシート)1′との間に配した吸収体3を、上記の積層体からなるバックシート2の内面に接合固定したパンツ型使い捨ておむつを製造することもできる。尚、図中、15′は吸収体3の両側縁外方に配した弾性部材である。Further, according to another embodiment of the method for manufacturing an absorbent article of the present invention, as shown in FIG. 12, a liquid-permeable top sheet 1 and a liquid-impermeable (or liquid-permeable) sheet (separately) It is also possible to manufacture a pants-type disposable diaper in which the absorbent body 3 disposed between the sheet 1) and the sheet 1) is bonded and fixed to the inner surface of the back sheet 2 made of the above laminate. In the figure, reference numeral 15 ′ denotes an elastic member disposed on the outer side of both side edges of the absorber 3.

そして、図12に示す如き断面形態を有する使い捨ておむつを製造する場合には、前述And when manufacturing the disposable diaper which has a cross-sectional form as shown in FIG.
した実施態様における吸収性本体連続体の製造工程を、例えば次のように変えれば良い。What is necessary is just to change the manufacturing process of the absorptive main body continuous body in the embodiment which carried out as follows, for example.
即ち、所定巾の連続する少なくとも2層の積層体よりなるバックシート2の層間に、少なくとも第一及び第二の弾性部材15を、それぞれ所定の間隔で上記バックシート2の巾方向に揺動して張設固定した後、予め液透過性のトップシート1と液不透過性(又は液透過性)のシート1′との間に配した吸収体3を上記の積層体からなるバックシート2の内面に接合固定するという態様に変えれば良い。That is, at least the first and second elastic members 15 are swung in the width direction of the back sheet 2 at predetermined intervals between the layers of the back sheet 2 composed of at least two continuous layers having a predetermined width. The absorbent body 3 previously disposed between the liquid-permeable top sheet 1 and the liquid-impermeable (or liquid-permeable) sheet 1 ′ is attached to the back sheet 2 made of the above laminate. What is necessary is just to change to the aspect of joining and fixing to an inner surface.

11及び12に示すような、バックシート2が積層体からなる使い捨ておむつにおいては、該図11及び図12に示す如く、該積層体間に弾性部材15を配置すれば該弾性部材15の収縮力が直接上記吸収体3に及ばないので、吸収体3がくずれたり、逆に弾性部材15の収縮力が阻害されたりすることもない。 In a disposable diaper in which the backsheet 2 is a laminate as shown in FIGS. 11 and 12 , if the elastic member 15 is disposed between the laminates as shown in FIGS. 11 and 12 , the elastic member 15 contracts. Since the force does not reach the absorber 3 directly, the absorber 3 is not broken, and conversely, the contraction force of the elastic member 15 is not hindered.

尚、本発明の吸収性物品の製造方法は、上記の実施態様に制限されないことは言う迄もない。例えば、弾性部材は、全体として所定の部位に張設固定されていれば、その全長に亘って全ての部位で固定されていなくても良く、また、上記形態における各部材の大きさ等は、図示のものに準じて又は従来のパンツ型使い捨ておむつの構成部材に準じて設定すれば良く、また、説明を省略した部分もあるが、各部材同士は、適宜、それらの一部又は全部を接着剤等により接合固定される。 In addition, it cannot be overemphasized that the manufacturing method of the absorbent article of this invention is not restrict | limited to said embodiment. For example, the elastic member, if it is stretched fixed as a whole to a predetermined site may not be fixed at all sites over its entire length, also, the size of each member in the above embodiment, What is necessary is just to set according to the thing of illustration, or according to the structural member of the conventional underpants type disposable diaper, and although there is also a part which omitted explanation, each member adheres those parts or all suitably. Bonded and fixed with an agent or the like.

図1は本発明の製造方法により製造される吸収性物品の参考形態を示す斜視図である。FIG. 1 is a perspective view showing a reference form of an absorbent article manufactured by the manufacturing method of the present invention. 図2は、図1に示す吸収性物品を形成する吸収性本体を一部省略して示す平面図である。FIG. 2 is a plan view in which a part of the absorbent main body forming the absorbent article shown in FIG. 1 is omitted. 図3は、図1に示す吸収性物品の製造に用いられる吸収性本体連続体を示す平面図である。FIG. 3 is a plan view showing a continuous absorbent main body used for manufacturing the absorbent article shown in FIG. 1. 図4は本発明の製造方法により製造される吸収性物品の別の参考形態を示す斜視図である。FIG. 4 is a perspective view showing another reference form of the absorbent article manufactured by the manufacturing method of the present invention. 図5は、図4に示す吸収性物品を形成する吸収性本体を示す図2相当図である。Figure 5 is a diagram 2 equivalent diagram of the absorbent body to form a indicates to absorption Osamusei article in FIG. 図6は、図4に示す吸収性物品の製造に用いられる吸収性本体連続体を示す平面図である。Figure 6 is a plan view showing an absorbent body continuous body used in the production of shows to intake Osamusei article in FIG. 図7は、本発明の製造方法により製造される吸収性物品を形成する吸収性本体の一形態を示す図5相当図(吸収体を省略)である。FIG. 7 is a view corresponding to FIG. 5 (absorber is omitted) showing an embodiment of an absorbent main body forming an absorbent article manufactured by the manufacturing method of the present invention. 図8は、本発明の製造方法により製造される吸収性物品を形成する吸収性本体の別の形態を示す図5相当図(吸収体を省略)である。FIG. 8 is a view corresponding to FIG. 5 (absorber is omitted) showing another form of the absorbent main body forming the absorbent article manufactured by the manufacturing method of the present invention. は、従来の吸収性物品を形成する吸収性本体の一例を示す図5相当図(吸収体を省略)である。FIG. 9 is a view corresponding to FIG. 5 (an absorber is omitted) illustrating an example of an absorbent main body forming a conventional absorbent article. 10は、本発明の製造方法の参考態様により製造される参考形態の吸収性物品における断面形状の概略を示す、図2のX−X線断面に相当する断面図である。FIG. 10 is a cross-sectional view corresponding to the cross section taken along the line XX of FIG. 2, showing an outline of the cross-sectional shape of the absorbent article of the reference form manufactured by the reference mode of the manufacturing method of the present invention. 11は、本発明の製造方法の一実施態様により製造される吸収性物品における断面形状の概略を示す図10相当図である。Figure 11 is a diagram 10 corresponds diagram showing a schematic cross-sectional shape definitive absorbent material articles produced according to one embodiment of the production method of the present invention. 図12は、本発明の製造方法の別の実施態様により製造される吸収性物品における断面形状の概略を示す図10相当図である。FIG. 12 is a view corresponding to FIG. 10 showing an outline of a cross-sectional shape of an absorbent article manufactured by another embodiment of the manufacturing method of the present invention.

符号の説明Explanation of symbols

1 トップシート
2 バックシート
3 吸収体
10 吸収性本体連続体
10A 吸収性本体
11 腹側部
11a 側縁部
12 股下部
12a 側縁部
13 背側部
13a 側縁部
15 弾性部材
20 吸収性物品(パンツ型の使い捨ておむつ)
21 ウエスト開口部
22 レッグ開口部
22a 開口周縁部
23 ギャザー
DESCRIPTION OF SYMBOLS 1 Top sheet 2 Back sheet 3 Absorbent body 10 Absorbent main body continuous body 10A Absorbent main body 11 Abdominal side part 11a Side edge part 12 Crotch part 12a Side edge part 13 Back side part 13a Side edge part 15 Elastic member 20 Absorbent article ( Pants-type disposable diapers)
21 Waist opening 22 Leg opening 22a Opening edge 23 Gather

Claims (3)

液透過性のトップシートと、液不透過性のバックシートと、これら両シート間に配置される吸収体とを有する吸収性本体を備え、該吸収性本体は、腹側部、股下部及び背側部からなっており、上記腹側部及び上記背側部それぞれの両側縁部を接合固定して、ウエスト開口部及び一対のレッグ開口部を形成し且つ少なくとも一対の該レッグ開口部それぞれの開口周縁部にそれぞれギャザーを形成した吸収性物品において、上記吸収性本体における、上記腹側部及び上記背側部それぞれの一方の側縁部の一部の内側並びに上記股下部の一方の側縁部の内側に沿い、上記股下部中央を横断し、且つ他方の側縁部の内側に沿って弾性部材が配されるように、少なくとも第一及び第二の弾性部材を配設してあり、上記第一及び第二の弾性部材は、それぞれ複数本の部材からなり、上記股下部において相互に少なくとも一部が重複して張設固定されている吸収性物品の製造方法であって、
所定巾の連続する少なくとも2層の積層体よりなるバックシートの層間に、第一及び第二の弾性部材を、それぞれ所定の間隔で上記バックシートの巾方向に揺動して張設固定した後、複数個の吸収体を一定間隔で上記バックシート上に配し、その後、該吸収体上に所定巾の連続する液透過性のトップシートを配して、少なくとも上記各吸収体の股下部における両側縁部の外側近傍にそれぞれ上記弾性部材が張設固定された吸収性本体連続体を製造する製造工程と、
上記製造工程で得られる吸収性本体連続体を、隣接する上記吸収体間の中央部でそれぞれ切断して複数の吸収性本体を得る切断工程と、
各吸収性本体の腹側部及び背側部それぞれの両側縁部を接合固定する接合工程と
を具備することを特徴とする吸収性物品の製造方法。
An absorbent main body having a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body disposed between the two sheets. The absorbent main body includes a ventral portion, a crotch portion, and a back portion. It consists of a side part, the both side edge parts of the abdominal side part and the dorsal side part are joined and fixed to form a waist opening part and a pair of leg opening parts, and at least a pair of opening parts of the leg opening parts In an absorbent article in which gathers are formed on the respective peripheral parts, the inner side of a part of one side edge of each of the abdomen and the back in the absorbent main body and one side edge of the crotch At least first and second elastic members are arranged so that the elastic members are arranged along the inside of the crotch part and along the inside of the other side edge, the first and second resilient members, it Made of a plurality of members, a method of manufacturing an absorbent article at least partially each other are overlapping stretched fixed in the crotch portion,
After the first and second elastic members are oscillated and fixed in the width direction of the back sheet at predetermined intervals between the layers of the back sheet composed of at least two continuous layers having a predetermined width. A plurality of absorbent bodies are arranged on the back sheet at regular intervals, and then a continuous liquid-permeable top sheet of a predetermined width is disposed on the absorbent body, at least in the crotch portion of each of the absorbent bodies A manufacturing process for manufacturing an absorbent main body continuum in which the elastic member is stretched and fixed in the vicinity of the outer sides of both side edges,
A cutting step of obtaining a plurality of absorbent main bodies by cutting the absorbent main body continuum obtained in the manufacturing process at a central portion between the adjacent absorbent bodies, and
A bonding step of bonding and fixing both side edges of each of the abdominal side and the back side of each absorbent main body.
上記第一及び第二の弾性部材は、上記股下部において相互に完全に重複していることを特徴とする請求項1記載の吸収性物品の製造方法。The method for manufacturing an absorbent article according to claim 1, wherein the first and second elastic members completely overlap each other in the crotch part. 上記吸収体は、上記トップシートと、該吸収体と上記バックシートとの間に配された別のシートとの間に配置されて、該バックシート上に設けられており、The absorbent body is disposed between the top sheet and another sheet disposed between the absorbent body and the back sheet, and is provided on the back sheet,
上記吸収体の両側縁外方における上記トップシートと上記別のシートとの間に、それぞれ第三の弾性部材が配されていることを特徴とする請求項1又は2に記載の吸収性物品の製造方法。3. The absorbent article according to claim 1, wherein a third elastic member is disposed between the top sheet and the another sheet on both outer sides of the absorbent body. 4. Production method.
JP2004168807A 2004-06-07 2004-06-07 Method for manufacturing absorbent article Expired - Lifetime JP3696225B2 (en)

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