JPH0898859A - Body fluid treatment absorbent article manufacturing method - Google Patents
Body fluid treatment absorbent article manufacturing methodInfo
- Publication number
- JPH0898859A JPH0898859A JP6235632A JP23563294A JPH0898859A JP H0898859 A JPH0898859 A JP H0898859A JP 6235632 A JP6235632 A JP 6235632A JP 23563294 A JP23563294 A JP 23563294A JP H0898859 A JPH0898859 A JP H0898859A
- Authority
- JP
- Japan
- Prior art keywords
- compression
- fluid treatment
- body fluid
- absorbent article
- shore
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
(57)【要約】
【目的】 吸収体の圧縮生産時において、解繊されたパ
ルプの積繊状態が不均一であったり、高吸水性ポリマー
の散布状態が不均一である場合でも、吸収体に硬化部分
を発生させることがない、体液処理吸収性物品の製造法
を提供すること。
【構成】 吸収体を形成し、圧縮する工程を含む体液処
理吸収性物品の製造法において、上記圧縮を、圧縮面の
素材の硬度がショア─ Ａ−５０〜ショア─ Ｄ−８０
の範囲に調整された圧縮板又は圧縮ロールを有する圧縮
装置を使用して行うことを特徴とする体液処理吸収性物
品の製造法。(57) [Abstract] [Purpose] Even when the disintegrated pulp is unevenly distributed or the superabsorbent polymer is sprayed unevenly during compression production of the absorbent body, (EN) Provided is a method for producing a body fluid treatment absorbent article, which does not generate a cured part in the body. In a method for producing a body fluid treatment absorbent article, which comprises a step of forming an absorbent body and compressing the same, the compression is performed by changing the hardness of the material of the compression surface from Shore A-50 to Shore D-80.
The method for producing a body fluid treatment absorbent article, which is performed using a compression device having a compression plate or a compression roll adjusted to the range.
Description
【０００１】[0001]
【産業上の利用分野】本発明は、紙おむつ、生理用ナプ
キン等の体液処理吸収性物品の製造時における吸収体の
圧縮工程にて硬化部分の発生を防止することができる体
液処理吸収性物品の製造法に関する。尚、ここで硬化部
分とは、吸収体を構成する解繊したパルプ又は吸水性ポ
リマー等が、圧縮の際の高圧により、稠密化し、結着し
た部分のことをいう。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a body fluid-treated absorbent article capable of preventing the occurrence of a cured portion during the compression step of the absorbent body during the production of the body fluid-treated absorbent article such as a disposable diaper and a sanitary napkin. Regarding manufacturing method. Here, the hardened portion means a portion where the defibrated pulp, the water-absorbent polymer or the like constituting the absorber is densified and bound by the high pressure during compression.
【０００２】[0002]
【従来の技術及び発明が解決しようとする課題】従来よ
り、紙おむつ、生理用ナプキン等の体液処理吸収性物品
を製造する際には、吸収体の搬送及び形状の安定化並び
に厚さを薄くする目的で、解繊したパルプ、吸水性ポリ
マー及びこれらをくるむ台紙とから成る吸収体を、１対
あるいはそれ以上の圧縮板或いは鉄ロール等を用いて一
定圧あるいは一定のクリアランスに調整したスリット部
を通過させる、圧縮工程が行われている。2. Description of the Related Art Conventionally, when a body fluid treatment absorbent article such as a disposable diaper or a sanitary napkin is manufactured, the absorbent body is stabilized and its shape is stabilized and its thickness is reduced. For the purpose, a slit part is prepared by adjusting the absorber made of defibrated pulp, water-absorbent polymer, and wrapping paper wrapping these to a constant pressure or a constant clearance using one or more pairs of compression plates or iron rolls. A compression step is being carried out, in which it passes.
【０００３】しかしながら、上記の圧縮工程を得て得ら
れた吸収体は、解繊されたパルプの積繊状態にむらが生
じた場合、ポリマーの散布状態が均一でない場合及び局
部的にそれらの密度が大きくなった場合に、機械的な圧
縮により厚紙状に結着して、硬化し硬化部分が生じる。
そして、吸収体に上記硬化部分が生じた場合には、使用
者に不快感を与え、加工適性に不具合が生じてくるとい
う問題がある。However, the absorbent obtained by the above-mentioned compression process has an uneven distribution of the defibrated pulp, a non-uniform dispersion of the polymer, and a local density of the polymer. When it becomes large, it is bound to a cardboard-like shape by mechanical compression and hardens to form a hardened portion.
When the above-mentioned cured portion is generated in the absorber, there is a problem that it gives a user an unpleasant feeling and causes a problem in processing suitability.
【０００４】また、パルプの積繊状態、あるいはポリマ
ーの散布状態を厳密に均一化するのは非常に困難であ
り、これらを確実に制御する有効な手段は存在しないの
が現状である。Further, it is very difficult to make the piled state of the pulp or the dispersed state of the polymer strictly uniform, and there is no effective means for surely controlling these.
【０００５】一方、圧縮する際、通常、吸収体の圧縮後
の回復を防止するためにエンボスと呼ばれるパターン押
圧が行われており、該エンボスのパターンによっては、
吸収体の硬化をある程度防止するか又は目立ちにくくす
ることはできる。しかし、該エンボスでは、上記硬化部
分の発生を抜本的に改善するものではなく、上記硬化部
分の発生を完全に防止することができる体液処理吸収性
物品の製造法が要望されているのが現状である。On the other hand, at the time of compression, a pattern pressing called embossing is usually performed in order to prevent recovery of the absorbent body after compression. Depending on the embossing pattern,
Curing of the absorber can be prevented to some extent or made less noticeable. However, the embossing does not drastically improve the generation of the cured part, and there is a demand for a method for producing a body fluid treatment absorbent article capable of completely preventing the generation of the cured part. Is.
【０００６】従って、本発明の目的は、吸収体の圧縮生
産時において、解繊されたパルプの積繊状態が不均一で
あったり、高吸水性ポリマーの散布状態が不均一である
場合でも、吸収体に硬化部分を発生させることがない、
体液処理吸収性物品の製造法を提供することにある。[0006] Therefore, the object of the present invention is to provide, even when the disintegrated pulp is in a non-uniform fiber distribution state or the superabsorbent polymer is in a non-uniform dispersion state during compression production of the absorbent body, Does not generate a cured part in the absorber,
It is intended to provide a method for manufacturing a body fluid treatment absorbent article.
【０００７】[0007]
【課題を解決するための手段】本発明者らは、吸収体の
圧縮生産時に該吸収体と接する圧縮ローラーの圧縮面が
吸収体の高密度部分に接触・圧縮する時に、該圧縮面の
硬度に応じて該高密度部分が変形することに着目し、圧
縮面の硬度を調節すれば、吸収体の圧縮度が均一にな
り、且つ硬化部分が生じないと予想して鋭意研究した結
果、上記圧縮面の硬度を特定の硬度にすることにより、
上記目的を達成し得ることを知見した。The inventors of the present invention have found that when the compression surface of a compression roller that is in contact with the absorbent body comes into contact with and compresses a high density portion of the absorbent body during compression production of the absorbent body, the hardness of the compressed surface is high. Paying attention to the fact that the high-density portion is deformed in accordance with the above, and adjusting the hardness of the compression surface, the compressibility of the absorber becomes uniform, and as a result of diligent research that the cured portion does not occur, By setting the hardness of the compression surface to a specific hardness,
It was found that the above object can be achieved.
【０００８】本発明は、上記知見に基づいてなされても
ので、吸収体を形成し、圧縮する工程を含む体液処理吸
収性物品の製造法において、上記圧縮を、圧縮面の素材
の硬度がショアー Ａ−５０〜ショアー Ｄ−８０の範
囲に調整された圧縮板又は圧縮ロールを有する圧縮装置
を使用して行うことを特徴とする体液処理吸収性物品の
製造法を提供するものである。The present invention has been made on the basis of the above findings. Therefore, in the method for manufacturing a body fluid treatment absorbent article, which comprises the steps of forming an absorbent body and compressing the absorbent body, the compression is performed with the hardness of the material of the compression surface being Shore. The present invention provides a method for producing a body fluid treatment absorbent article, which is carried out using a compression device having a compression plate or a compression roll adjusted to a range of A-50 to Shore D-80.
【０００９】以下、本発明の体液処理吸収性物品の製造
法について更に詳細に説明する。尚、本発明の製造方法
により得られる体液処理吸収性物品としては、使い捨て
おむつ、生理用ナプキン、失禁パッド、トレーニングパ
ンツ等が挙げられる。The method for producing the body fluid treatment absorbent article of the present invention will be described in more detail below. The body fluid treatment absorbent article obtained by the production method of the present invention includes disposable diapers, sanitary napkins, incontinence pads, training pants and the like.
【００１０】本発明において用いられる圧縮装置は、特
定範囲の硬度を有する素材により形成された圧縮面を有
する圧縮板又は圧縮ロールを具備する以外は、通常、吸
収体の圧縮工程に用いられているものと同様のものを用
いることができる。また、上記素材により形成された圧
縮面を有する圧縮板又は圧縮ロールは、圧縮側、被圧縮
側の片方のみに設けられていても、また両側に設けられ
ていてもよく、どちらでも吸収体の硬化の防止に効果が
得られる。また、上記素材は、吸収体との接触部分のみ
に用いられていてもよい。The compression apparatus used in the present invention is usually used in the compression step of the absorber except that it is provided with a compression plate or a compression roll having a compression surface formed of a material having a hardness within a specific range. The same thing can be used. Further, the compression plate or the compression roll having a compression surface formed of the above material may be provided on only one of the compression side and the compressed side, or may be provided on both sides. An effect is obtained in prevention of curing. Further, the above-mentioned material may be used only in the contact portion with the absorber.
【００１１】本発明において上記圧縮装置に用いられる
圧縮板又は圧縮ロールの圧縮面の素材は、その硬度が、
ショアー Ａ−５０〜ショアー Ｄ−８０の範囲、好ま
しくはショアー Ａ─９０に調整されたものである。ま
た、上記素材の硬度の選択については、目的とする吸収
体の圧縮率、パルプ・高吸水性ポリマーの坪量に応じて
適宜選択することができる。上記硬度が、ショアー Ａ
−５０未満であると圧縮能力が低下し、ショアーＤ−８
０を超えると、吸収体の硬化が生じやすい。In the present invention, the material of the compression surface of the compression plate or compression roll used in the above-mentioned compression device has a hardness of
It is adjusted to a range of Shore A-50 to Shore D-80, preferably Shore A-90. Further, the hardness of the above-mentioned material can be appropriately selected depending on the compression ratio of the intended absorber and the basis weight of the pulp / superabsorbent polymer. The hardness is Shore A
If it is less than -50, the compression capacity is lowered, and Shore D-8 is used.
If it exceeds 0, curing of the absorber tends to occur.
【００１２】上記素材は、上記の硬度を有するものであ
れば、特に限定されないが、ショアー Ａタイプの素材
としては、天然ゴム（ＮＲ）、イソプレンゴム（Ｉ
Ｒ）、スチレンブタジエンゴム（ＳＢＲ）、ブタジエン
ゴム（ＢＲ）、クロロプレンゴム（ＣＲ）、アクリロニ
トリルブタジエンゴム（ＮＢＲ）、イソブチレンイソプ
レンゴム（ＩＩＲ）、クロロスルホン化ポリエチレンゴ
ム（ＣＳＭ）、エチレンプロピレンゴム（ＥＰＤＭ）、
シリコーンゴム（Ｓｉ）、フッ素ゴム（ＦＫＭ）、ウレ
タンゴム（Ｕ）、チオコール（Ｔ）、アクリルゴム（Ａ
ＣＭ、ＡＮＭ）、エピクロルヒドリンゴム（ＣＨＲ）、
エチレン酢酸ビニルゴム（ＥＶＡ）、塩素化ポリエチレ
ン（ＣＭ）、ノーソレックス（ＮＳＸ）等のゴム系樹脂
等が挙げられ、また、ショアー Ｄタイプの素材として
は、アクリル系樹脂、セルロース系樹脂、エポキシ樹
脂、含フッ素プラスチック樹脂、イオノマー樹脂、ポリ
ブチレン樹脂、ポリエステル樹脂、ポリエチレン樹脂、
ポリプロピレン樹脂等が挙げられる。The above material is not particularly limited as long as it has the above hardness, but as the Shore A type material, natural rubber (NR) and isoprene rubber (I) are used.
R), styrene butadiene rubber (SBR), butadiene rubber (BR), chloroprene rubber (CR), acrylonitrile butadiene rubber (NBR), isobutylene isoprene rubber (IIR), chlorosulfonated polyethylene rubber (CSM), ethylene propylene rubber (EPDM) ),
Silicone rubber (Si), fluororubber (FKM), urethane rubber (U), thiochol (T), acrylic rubber (A
CM, ANM), epichlorohydrin rubber (CHR),
Examples include rubber-based resins such as ethylene vinyl acetate rubber (EVA), chlorinated polyethylene (CM), and nosolex (NSX). Further, Shore D type materials include acrylic resins, cellulosic resins, epoxy resins, Fluorine-containing plastic resin, ionomer resin, polybutylene resin, polyester resin, polyethylene resin,
Examples thereof include polypropylene resin.
【００１３】而して、本発明の体液処理吸収性物品の製
造方法は、吸収体を形成し、圧縮する際に、上記圧縮
を、圧縮面の素材の硬度が上記の範囲に調整された圧縮
板又は圧縮ロールを有する圧縮装置を使用して行うこと
を特徴とする。尚、本発明の製造方法においては、上記
圧縮を上述の如く行う以外は、通常公知の体液処理吸収
性物品の製造方法と同様にして行うことができ、また、
体液処理吸収性物品の構成部材（表面シート、裏面シー
ト及び吸収体等）も、公知の部材と同様のものを用いる
ことができる。Thus, in the method for manufacturing a body fluid treatment absorbent article of the present invention, when the absorbent body is formed and compressed, the compression is performed by compressing the material of the compression surface within the above range. It is characterized in that it is performed using a compression device having a plate or a compression roll. In addition, in the manufacturing method of the present invention, except that the above compression is performed as described above, it can be carried out in the same manner as a commonly known method for manufacturing a body fluid treatment absorbent article, and
The constituent members (top sheet, back sheet, absorbent body, etc.) of the body fluid treatment absorbent article may be the same as known members.
【００１４】[0014]
【実施例】次に、実施例を挙げ、本発明をさらに詳細に
説明するが、本発明はこれらの実施例に何ら限定される
ものではない。EXAMPLES Next, the present invention will be described in more detail with reference to examples, but the present invention is not limited to these examples.
【００１５】〔実施例１〕解繊パルプ１５ｇ及び高吸水
性ポリマー（主成分はポリアクリル酸）４．８ｇ用い
て、形状９０×２４６mmの吸収体ウェブを成形し、「Ｈ
ＴＥＭ−３００型」（由利ロール株式会社製、手動式テ
スト２本ロールのエンボス機）を用いて、吸収体の厚さ
が３．５mmになるように加圧して吸収体を得た。なお、
上記エンボス機の受けロールの圧縮面の素材は、その硬
度がショアー Ａ−９０である、ＮＢＲ（アクリロニト
リルブタジエンゴム）製ロール（以下、ロールＡとい
う）を用いた。得られた、圧縮後の吸収体の硬化状態に
ついて官能評価した。その結果を〔表１〕に示す。ま
た、上記ロールの感圧紙による圧力負荷状態を図１に示
す。[Example 1] Using 15 g of defibrated pulp and 4.8 g of super absorbent polymer (mainly polyacrylic acid), an absorbent web having a shape of 90 x 246 mm was formed, and "H"
TEM-300 type "(manufactured by Yuri Roll Co., Ltd., a manual test two-roll embossing machine) was used to obtain an absorber by pressurizing the absorber to a thickness of 3.5 mm. In addition,
As a material for the compression surface of the receiving roll of the embossing machine, a roll made of NBR (acrylonitrile butadiene rubber) having a hardness of Shore A-90 (hereinafter referred to as roll A) was used. A sensory evaluation was performed on the cured state of the obtained absorbent body after compression. The results are shown in [Table 1]. Further, FIG. 1 shows a pressure load state of the roll by pressure sensitive paper.
【００１６】〔実施例２〕上記圧縮面の素材として、そ
の硬度がショアー Ｄ−７８である、プラストロ─ル
〔商品名，由利ロール（株）製，（含尿素樹脂製）〕
（以下、ロールＢという）を用いた以外は、実施例１と
同様にして吸収体を得、得らえた、圧縮後の吸収体の硬
化状態について官能評価した。その結果を〔表１〕に示
す。また、上記ロールの感圧紙による圧力負荷状態を図
１に示す。Example 2 Plasttrol having a hardness of Shore D-78 as a material for the compression surface [trade name, manufactured by Yuri Roll Co., Ltd. (made of urea resin)]
An absorber was obtained in the same manner as in Example 1 except that (hereinafter, referred to as roll B) was used, and the obtained cured state of the absorber was subjected to a sensory evaluation. The results are shown in [Table 1]. Further, FIG. 1 shows a pressure load state of the roll by pressure sensitive paper.
【００１７】〔比較例１〕上記圧縮面の素材として、そ
の硬度がＤ−９０である、ベントシュア─ロ─ル〔商品
名，由利ロール（株）製，（特殊硬質ゴム）〕（以下、
ロールＣという）を用いた以外は、実施例１と同様にし
て吸収体を得、得らえた、圧縮後の吸収体の硬化状態に
ついて官能評価した。その結果を〔表１〕に示す。ま
た、上記ロールの感圧紙による圧力負荷状態を図１に示
す。[Comparative Example 1] As a material for the above-mentioned compressed surface, bent sure roll having a hardness of D-90 [trade name, manufactured by Yuri Roll Co., Ltd. (special hard rubber)] (hereinafter,
An absorbent body was obtained in the same manner as in Example 1 except that Roll C was used, and the obtained cured state of the absorbent body was subjected to a sensory evaluation. The results are shown in [Table 1]. Further, FIG. 1 shows a pressure load state of the roll by pressure sensitive paper.
【００１８】〔比較例２〕上記圧縮面の素材として、鉄
ロールを用いた以外は、実施例１と同様にして吸収体を
得、得らえた、圧縮後の吸収体の硬化状態について官能
評価した。その結果を〔表１〕に示す。また、上記ロー
ルの感圧紙による圧力負荷状態を図１に示す。[Comparative Example 2] An absorbent body was obtained in the same manner as in Example 1 except that an iron roll was used as a material for the compressed surface, and the obtained cured state of the compressed absorbent body was subjected to a sensory evaluation. did. The results are shown in [Table 1]. Further, FIG. 1 shows a pressure load state of the roll by pressure sensitive paper.
【００１９】[0019]
【表１】 [Table 1]
【００２０】尚、表中の硬化状態の評価は下記の通りで
ある。 ◎；硬化部分発生せず。 ○；硬化部分の発生が殆どない。 △；硬化部分が発生する。 ×；硬化部分が著しく発生する。The evaluation of the cured state in the table is as follows. ⊚: No cured part was generated. ◯: Hardened portion is hardly generated. Δ: A cured part is generated. X: A cured part is remarkably generated.
【００２１】[0021]
【発明の効果】本発明の体液処理物品の製造方法によれ
ば、吸収体の圧縮生産時において、解繊されたパルプの
積繊状態が不均一であったり、高吸水性ポリマーの散布
状態が不均一である場合でも、吸収体に硬化部分を発生
させることがなく、体液処理吸収性物品を製造すること
ができる。詳細には、圧縮面の素材の硬度をショアー
Ａ−５０〜ショアー Ｄ−８０の範囲に調整することに
より、パルプや高吸水性ポリマーからなる吸収体を圧縮
する際、吸収体に局部的に偏在するパルプや高吸水性ポ
リマーの高密度部分に過剰な圧力がかからないように、
圧縮面が変形するので、吸収体における硬化部分の発生
を防止するできる。EFFECTS OF THE INVENTION According to the method for producing a body fluid treatment article of the present invention, during the compression production of the absorbent body, the disentangled pulp has a non-uniform fiber-laying state or a super-water-absorbent polymer spraying state. Even if it is non-uniform, a body fluid treatment absorbent article can be produced without causing a cured portion in the absorbent body. In detail, shore the hardness of the material of the compression surface
By adjusting the range of A-50 to Shore D-80, when compressing the absorbent body made of pulp or superabsorbent polymer, the pulp or superabsorbent polymer is locally distributed in the absorbent body at a high density portion. To prevent excessive pressure,
Since the compressed surface is deformed, it is possible to prevent the occurrence of a hardened portion in the absorber.
【図１】図１は、実施例及び比較例において用いた圧縮
ロールの圧力負荷状態を示す図面である。FIG. 1 is a drawing showing a pressure load state of a compression roll used in Examples and Comparative Examples.
Claims (1)
液処理吸収性物品の製造法において、 上記圧縮を、圧縮面の素材の硬度がショアー Ａ−５０
〜ショアー Ｄ−８０の範囲に調整された圧縮板又は圧
縮ロールを有する圧縮装置を使用して行うことを特徴と
する体液処理吸収性物品の製造法。1. A method for producing a body fluid treatment absorbent article, comprising the steps of forming an absorbent body and compressing the same, wherein the compression is performed by using a material having a Shore A-50 hardness.
The method for producing a body fluid treatment absorbent article is characterized by using a compression device having a compression plate or a compression roll adjusted to a range of Shore D-80.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23563294A JP3568593B2 (en) | 1994-09-29 | 1994-09-29 | Manufacturing method of body fluid treated absorbent articles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23563294A JP3568593B2 (en) | 1994-09-29 | 1994-09-29 | Manufacturing method of body fluid treated absorbent articles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0898859A true JPH0898859A (en) | 1996-04-16 |
| JP3568593B2 JP3568593B2 (en) | 2004-09-22 |
Family
ID=16988900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23563294A Expired - Lifetime JP3568593B2 (en) | 1994-09-29 | 1994-09-29 | Manufacturing method of body fluid treated absorbent articles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3568593B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1331678C (en) * | 2002-10-28 | 2007-08-15 | 住友橡胶工业株式会社 | Ink tube of ink-jetting printer |
| US7359277B2 (en) | 2003-09-04 | 2008-04-15 | United Memories, Inc. | High speed power-gating technique for integrated circuit devices incorporating a sleep mode of operation |
| US7372765B2 (en) | 2003-09-04 | 2008-05-13 | United Memories, Inc. | Power-gating system and method for integrated circuit devices |
| JP2012510849A (en) * | 2008-12-04 | 2012-05-17 | エスセーアー・ハイジーン・プロダクツ・アーベー | Method for forming an absorbent core |
| JP2017507709A (en) * | 2014-02-11 | 2017-03-23 | ザ プロクター アンド ギャンブル カンパニー | Method and apparatus for making an absorbent structure with channels |
| US11090199B2 (en) | 2014-02-11 | 2021-08-17 | The Procter & Gamble Company | Method and apparatus for making an absorbent structure comprising channels |
-
1994
- 1994-09-29 JP JP23563294A patent/JP3568593B2/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1331678C (en) * | 2002-10-28 | 2007-08-15 | 住友橡胶工业株式会社 | Ink tube of ink-jetting printer |
| US7359277B2 (en) | 2003-09-04 | 2008-04-15 | United Memories, Inc. | High speed power-gating technique for integrated circuit devices incorporating a sleep mode of operation |
| US7372765B2 (en) | 2003-09-04 | 2008-05-13 | United Memories, Inc. | Power-gating system and method for integrated circuit devices |
| JP2012510849A (en) * | 2008-12-04 | 2012-05-17 | エスセーアー・ハイジーン・プロダクツ・アーベー | Method for forming an absorbent core |
| US8696961B2 (en) | 2008-12-04 | 2014-04-15 | Sca Hygiene Products Ab | Method for forming an absorbent core |
| JP2017507709A (en) * | 2014-02-11 | 2017-03-23 | ザ プロクター アンド ギャンブル カンパニー | Method and apparatus for making an absorbent structure with channels |
| US11090199B2 (en) | 2014-02-11 | 2021-08-17 | The Procter & Gamble Company | Method and apparatus for making an absorbent structure comprising channels |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3568593B2 (en) | 2004-09-22 |
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