JP6580171B2 - 吸収体及びその製造方法並びに吸収性物品 - Google Patents
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
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- 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
- A61F2013/15821—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing
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- A61F2013/15869—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding with ultrasonic energy
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- 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
- A61F2013/15821—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing
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- 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
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- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F2013/530481—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
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- 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
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Description
前記カバーシートの非肌対向面に、外方側に突出した多数の凸部と前記凸部に隣接する窪んだ凹部とが形成される一方、前記カバーシートの肌対向面は平坦面とされ、
前記吸水性積繊体は、パルプ繊維および高吸水性ポリマーの合計重量に対する高吸収性ポリマーの比率が50〜90重量%とされ、前記カバーシートの凹部に、隣接する凸部の高さと同等以下の厚みで積繊され、前記カバーシートの凸部には前記吸水性積繊体が実質的に存在しておらず、該凸部において体液がカバーシートを厚み方向に通過する通液性が確保されており、
前記吸水性積繊体の非肌対向面側に隣接して、前記吸水性積繊体と比較してパルプ繊維の配合割合が大きく設定された第2吸水性積繊体が配設され、前記第2吸水性積繊体の少なくとも非肌対向面がクレープ紙又は不織布からなる第2カバーシートで覆われていることを特徴とする吸収体が提供される。
予め前記凸部及び凹部が一方面に形成されたカバーシートを作製しておき、前記カバーシートを前記凸部及び凹部が形成された面を外面側に向けて、周面に所定形状の積繊用凹部が備えられた積繊装置に供給し、前記積繊用凹部内において前記カバーシート上に前記吸水性積繊体を積繊した後、前記積繊用凹部内の前記吸水性積繊体の表面を均す処理が施される工程と、
別工程で、周面に所定形状の第2積繊用凹部が備えられた第2積繊装置によって前記第2吸水性積繊体を積繊するとともに、供給された前記第2カバーシート上に載置し、前記第2吸水性積繊体に隣接して前記カバーシートに積繊された前記吸水性積繊体を配置する工程とを有することを特徴とする吸収体の製造方法
が提供される。
<失禁パッドの基本構造の一例>
本発明に係る失禁パッド1は、図1〜図3に示されるように、ポリエチレンシートなどからなる防漏シート2と、肌当接面をなし、尿などを速やかに透過させる表面シート3と、これら両シート2、3間に介装された吸収体4と、失禁パッド1の最外面(非肌当接面)を覆う外装シート5と、前記吸収体4の略側縁部を起立基端とし、かつ少なくとも着用者の排尿口部を含む前後方向の所定の区間内において肌側に突出して設けられた左右一対の立体ギャザーBS、BSを形成するサイド不織布6、6とから主に構成され、かつ吸収体4の周囲においては、その上下端縁部では防漏シート2、表面シート3及び外装シート5の外縁部がホットメルトなどの接着剤やヒートシール、超音波シール等の接合手段によって接合され、またその両側縁部では吸収体4よりも側方に延出している防漏シート2、表面シート3、外装シート5及びサイド不織布6がホットメルトなどの接着剤やヒートシール、超音波シール等の接合手段によって接合されている。
不織布は一枚で使用する他、複数枚を重ねて使用することもでき、複数枚を重ねて使用する場合は、不織布相互をホットメルト等の接着剤を介して固定するのが好ましい。また、不織布を用いる場合は、その繊維目付けは10〜50g/m2、特に15〜30g/m2が好ましい。
前記防漏シート2と表面シート3との間に介在される吸収体4は、パルプ繊維及び高吸水性ポリマーからなる吸水性積繊体8と、前記吸水性積繊体8の少なくとも肌対向面を覆うカバーシート9とを備え、体液を吸収保持する性質を有するものである。
高吸水性ポリマーの目付け量は、当該吸収体4の用途で要求される吸収量に応じて適宜定めることができる。したがって一概にはいえないが、50〜350g/m2とすることができる。ポリマーの目付け量が50g/m2未満では、吸収量を確保し難くなる。350g/m2を超えると、効果が飽和するばかりでなく、高吸水性ポリマーの過剰によりジャリジャリした違和感を与えるようになる。
次に、前記吸収体4の製造方法について説明する。予め、一方側面に前記凸部10及び凹部11を備えたカバーシート9を作製しておく。前記凸部10及び凹部11の作製は、公知の方法を用いることが可能である。例えば、表面が平坦な不織布に対して、前記凹部11に対応する部分にエンボスを施すことにより凹凸を設けてもよいし、カバーシート9の不織布製作工程において、前記凹部11に対応する部分に流体を吹き付けて、凹部11の繊維を凸部10に寄せ集めることにより凹凸を設けてもよい。
Claims (5)
- パルプ繊維及び高吸水性ポリマーからなる吸水性積繊体と、前記吸水性積繊体の少なくとも肌対向面を覆うクレープ紙又は不織布からなるカバーシートとを備えた吸収体であって、
前記カバーシートの非肌対向面に、外方側に突出した多数の凸部と前記凸部に隣接する窪んだ凹部とが形成される一方、前記カバーシートの肌対向面は平坦面とされ、
前記吸水性積繊体は、パルプ繊維および高吸水性ポリマーの合計重量に対する高吸収性ポリマーの比率が50〜90重量%とされ、前記カバーシートの凹部に、隣接する凸部の高さと同等以下の厚みで積繊され、前記カバーシートの凸部には前記吸水性積繊体が実質的に存在しておらず、該凸部において体液がカバーシートを厚み方向に通過する通液性が確保されており、
前記吸水性積繊体の非肌対向面側に隣接して、前記吸水性積繊体と比較してパルプ繊維の配合割合が大きく設定された第2吸水性積繊体が配設され、前記第2吸水性積繊体の少なくとも非肌対向面がクレープ紙又は不織布からなる第2カバーシートで覆われていることを特徴とする吸収体。 - 前記凸部が前記カバーシートの長手方向に沿って延び、短手方向に間隔を空けて複数配置された畝で、前記凹部が溝となった畝溝構造を有している請求項1記載の吸収体。
- 前記第2吸水性積繊体は、パルプ繊維および高吸水性ポリマーの合計重量に対するパルプ繊維の比率が50〜90重量%である請求項1、2いずれかに記載の吸収体。
- 上記請求項1〜3いずれかに記載の吸収体を製造する製造方法であって、
予め前記凸部及び凹部が一方面に形成されたカバーシートを作製しておき、前記カバーシートを前記凸部及び凹部が形成された面を外面側に向けて、周面に所定形状の積繊用凹部が備えられた積繊装置に供給し、前記積繊用凹部内において前記カバーシート上に前記吸水性積繊体を積繊した後、前記積繊用凹部内の前記吸水性積繊体の表面を均す処理が施される工程と、
別工程で、周面に所定形状の第2積繊用凹部が備えられた第2積繊装置によって前記第2吸水性積繊体を積繊するとともに、供給された前記第2カバーシート上に載置し、前記第2吸水性積繊体に隣接して前記カバーシートに積繊された前記吸水性積繊体を配置する工程とを有することを特徴とする吸収体の製造方法。 - 肌対向面側を覆う透液性表面シートと、非肌対向面側を覆う防漏シートとの間に、上記請求項1〜3いずれかに記載の吸収体が配置されたことを特徴とする吸収性物品。
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JP2018017005A JP6580171B2 (ja) | 2018-02-02 | 2018-02-02 | 吸収体及びその製造方法並びに吸収性物品 |
EP19748443.9A EP3747417B1 (en) | 2018-02-02 | 2019-02-01 | Absorbent body, method for manufacturing same, and absorbent article |
PCT/JP2019/003551 WO2019151464A1 (ja) | 2018-02-02 | 2019-02-01 | 吸収体及びその製造方法並びに吸収性物品 |
US16/963,634 US20210059875A1 (en) | 2018-02-02 | 2019-02-01 | Absorbent body, method for manufacturing same, and absorbent article |
CN201980006781.6A CN111511327B (zh) | 2018-02-02 | 2019-02-01 | 吸收体及其制造方法以及吸收性物品 |
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EP (1) | EP3747417B1 (ja) |
JP (1) | JP6580171B2 (ja) |
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IT201800002181A1 (it) * | 2018-01-30 | 2019-07-30 | Gdm Spa | Apparato e metodo di formatura di una imbottitura assorbente |
JP6942771B2 (ja) * | 2019-09-27 | 2021-09-29 | 大王製紙株式会社 | 吸収性物品 |
JP7475918B2 (ja) * | 2020-03-25 | 2024-04-30 | 大王製紙株式会社 | 吸収性物品 |
CN115105301A (zh) * | 2022-05-24 | 2022-09-27 | 山东爸爸的选择健康科技有限公司 | 一种扩散快、防堆积的吸收芯体的制造方法 |
CN114948450A (zh) * | 2022-05-24 | 2022-08-30 | 山东爸爸的选择健康科技有限公司 | 一种扩散快、防堆积的吸收芯体 |
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US4500315A (en) * | 1982-11-08 | 1985-02-19 | Personal Products Company | Superthin absorbent product |
US4892535A (en) * | 1987-08-07 | 1990-01-09 | Landstingens Inkopscentral, Lic, Ekonomisk Forening | Absorbent pad and method and apparatus for making the same |
US5702382A (en) * | 1990-06-18 | 1997-12-30 | The Procter & Gamble Company | Extensible absorbent articles |
KR100284676B1 (ko) * | 1991-12-17 | 2001-04-02 | 데이비드 엠 모이어 | 용융취입된 구성요소를 갖는 위생 흡수 제품 |
US5447677A (en) * | 1993-06-02 | 1995-09-05 | Mcneil-Ppc, Inc. | Apparatus and method for making absorbent products containing a first material dispersed within a second material |
US6022610A (en) * | 1993-11-18 | 2000-02-08 | The Procter & Gamble Company | Deposition of osmotic absorbent onto a capillary substrate without deleterious interfiber penetration and absorbent structures produced thereby |
JP3722550B2 (ja) * | 1996-04-12 | 2005-11-30 | 花王株式会社 | 吸収性物品 |
JP3499375B2 (ja) * | 1996-07-02 | 2004-02-23 | ユニ・チャーム株式会社 | 吸収シートおよびその製造方法 |
TR199901328T2 (xx) * | 1996-12-13 | 2002-04-22 | Japon Absorbent Technology Institute | Y�ksek emi� g�c�ne sahip kompozit ve bunun yap�m�. |
US6610904B1 (en) * | 2000-09-22 | 2003-08-26 | Tredegar Film Products Corporation | Acquisition distribution layer having void volumes for an absorbent article |
JP4519095B2 (ja) * | 2005-03-23 | 2010-08-04 | 花王株式会社 | 吸収性物品 |
JP4731285B2 (ja) * | 2005-11-08 | 2011-07-20 | 花王株式会社 | 複合シートの製造方法及び装置 |
US20100310810A1 (en) * | 2009-06-03 | 2010-12-09 | Eric Bryan Bond | Structured Fibrous Web |
JP5800520B2 (ja) * | 2010-09-16 | 2015-10-28 | ユニ・チャーム株式会社 | 体液吸収性物品 |
JP5732236B2 (ja) * | 2010-11-29 | 2015-06-10 | 花王株式会社 | 吸収性構造体の製造方法 |
JP5885954B2 (ja) * | 2011-07-29 | 2016-03-16 | ユニ・チャーム株式会社 | 芯材の製造方法 |
JP5326029B2 (ja) * | 2012-08-28 | 2013-10-30 | ユニ・チャーム株式会社 | 吸収性物品の製造方法 |
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EP3747417A1 (en) | 2020-12-09 |
WO2019151464A1 (ja) | 2019-08-08 |
EP3747417A4 (en) | 2021-05-19 |
CN111511327B (zh) | 2022-03-08 |
CN111511327A (zh) | 2020-08-07 |
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US20210059875A1 (en) | 2021-03-04 |
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