JP7292473B2 - 吸収性パッドを形成するための装置および方法 - Google Patents
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- 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
- A61F13/15617—Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres
- A61F13/15658—Forming continuous, e.g. composite, fibrous webs, e.g. involving the application of pulverulent material on parts thereof
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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
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- A61F13/15634—Making fibrous pads between sheets or webs
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61F13/5323—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad having absorbent material located in discrete regions, e.g. pockets
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- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- A—HUMAN NECESSITIES
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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
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- 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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F2013/530868—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 characterized by the liquid distribution or transport means other than wicking layer
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Description
その場合、方法は、好ましくは、間隙20に入る空気流F1の1つまたは複数の特性を修正するように、適切な調整システムによって出口22の開口部または断面サイズを調整するステップを含む。
Claims (8)
- 吸収性衛生用品のための吸収性パッド(100)を形成するための装置であって、前記吸収性パッド(100)は、第1層(101)、第2層(102)、及び前記第1層(101)と前記第2層(102)の間に置かれて吸収性材料を含まない少なくとも1つのチャネル(104、105)を有する吸収性材料の拡散パターンM1に従って配置された吸収性材料(103)を含み、前記装置は、
形成ドラム(2)と、
前記第1層(101)を形成するための第1ウェブ(NW1)を前記形成ドラム(2)に供給するための第1供給システム(4)と、
前記第2層(102)を形成するための第2ウェブ(NW2)を前記形成ドラム(2)に供給するための第2供給システム(5)と、
前記吸収性材料(103)を前記形成ドラム(2)上に広げるための少なくとも1つのスプレッダ(6)であって、前記スプレッダ(6)と前記形成ドラム(2)との間に間隙を形成するためのスプレッダ(6)とを備え、前記形成ドラム(2)は、前記形成ドラム(2)上に配置された前記第1ウェブ(NW1)上に、前記吸収性材料の拡散パターン(M1)に従って吸収性材料(103)の広がりを形成する吸引システム(7)を備え、前記形成ドラム(2)は、前記吸引システム(7)において、 前記吸収性材料(103)が前記チャネル(104、105)に保持されないように前記チャネル(104、105)での吸引を抑制する少なくとも1つのインサート(8)を含み、
前記第1ウェブ(NW1)、前記第2ウェブ(NW2)および前記吸収性材料(103)は共に複合ウェブ(NW)を形成し、前記装置は、前記第1および前記第2ウェブ(NW1、NW2)を接合するための、前記第2供給システム(5)の下流に配置されたシステム(10)を備え、前記装置は、前記第1ウェブ(NW1)上の前記チャネル(104、105)に存在し得る吸収性材料(103)を除去するために前記吸収性材料(103)を除去するための除去システム(17)を備え、
前記吸収性材料(103)を除去するための前記除去システム(17)が、前記第1ウェブ(NW1)の供給方向V1において前記吸収性材料(103)のスプレッダ(6)の下流に配置されており、回転軸R19が前記形成ドラム(2)の回転軸R2と平行である少なくとも1つの遠心インペラ(19)を含むブローシステム(18)を含む、装置。 - 前記遠心インペラ(19)の外面が前記形成ドラム(2)に面している、請求項1に記載の装置。
- 前記遠心インペラ(19)は、前記インサートと少なくとも部分的に半径方向に合わせられている、請求項1または2に記載の装置。
- 前記第1ウェブ(NW1)の供給方向V1において前記吸収性材料(103)の前記スプレッダ(6)の上流に配置された少なくとも1つの接着剤ディスペンサ(9)を備え、前記第1ウェブ(NW1)上に、前記チャネル(104、105)において接着剤がない領域(Z1、Z2)を含む接着パターンM2に従って前記接着剤の層を塗布する、請求項1から3のいずれか1項に記載の装置。
- 吸収性衛生用品のための吸収性パッド(100)を形成するための方法であって、前記吸収性パッド(100)は、第1層(101)、第2層(102)、および前記第1層(101)と前記第2層(102)との間に置かれて吸収性材料を含まない少なくとも1つのチャネル(104、105)を有する拡散パターンM1に従って配置された吸収性材料(103)を含み、前記方法は、
前記第1層(101)を形成するための第1ウェブ(NW1)を供給するステップと、
前記第2層(102)を形成するための第2ウェブ(NW2)を供給するステップと、
前記拡散パターンM1に従って前記吸収性材料(103)を前記第1ウェブ(NW1)上に広げるステップと、
前記第1ウェブ(NW1)と前記第2ウェブ(NW2)とを接合するステップと、を含み、
前記第1ウェブ(NW1)、前記第2ウェブ(NW2)、および前記吸収性材料(103)は共に複合ウェブ(NW)を形成し、前記方法は、前記チャネル(104、105)において前記第1ウェブ(NW1)の溶接領域(Z3、Z4)に存在し得る吸収性材料(103)を除去するステップを含み、
前記吸収性材料(103)を除去する前記ステップが、前記第1ウェブ(NW1)の供給方向V1において前記吸収性材料(103)のスプレッダ(6)の下流に配置された、前記吸収性材料(103)を除去するための除去システム(17)であって、回転軸R19が形成ドラム(2)の回転軸R2と平行である少なくとも1つの遠心インペラ(19)を含むブローシステム(18)を含む除去システム(17)によって行われる、方法。 - 前記吸収性材料を除去する前記ステップが、前記チャネル(104、105)において前記溶接領域(Z3、Z4)内の前記第1ウェブ(NW1)に接する接線方向成分を有する渦を発生させるステップによって、前記チャネル(104、105)において前記第1ウェブ(NW1)の前記溶接領域(Z3、Z4)に存在し得る吸収性材料(103)を吹き飛ばすステップを含む、請求項5に記載の方法。
- 吹き飛ばしが断続的である、請求項6に記載の方法。
- 前記チャネル(104、105)において接着剤を含まない領域(Z1、Z2)を含む接着パターンM2に従って前記第1ウェブ(NW1)上に前記接着剤を広げるステップを含む、請求項5から7のいずれか1項に記載の方法。
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IT102017000031317A IT201700031317A1 (it) | 2017-03-22 | 2017-03-22 | Apparato e metodo di formatura di una imbottitura assorbente. |
PCT/IB2018/050475 WO2018172860A1 (en) | 2017-03-22 | 2018-01-26 | Apparatus and method for forming an absorbent pad |
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EP4285883A3 (en) | 2017-05-15 | 2024-03-13 | Drylock Technologies NV | Absorbent article with channels and method for manufacturing thereof |
EP3403627B1 (en) | 2017-05-15 | 2019-05-22 | Drylock Technologies NV | Absorbent article with channels and method for manufacturing thereof |
AU2018327481A1 (en) | 2017-09-11 | 2020-03-26 | Drylock Technologies Nv | Absorbent article with channels and method for manufacturing thereof |
PL3453368T3 (pl) | 2017-09-11 | 2020-03-31 | Drylock Technologies Nv | Wyrób chłonny z kanalikami i sposób jego wytwarzania |
EP3711731A1 (en) | 2019-03-21 | 2020-09-23 | Ontex BVBA | Process and apparatus for making channeled absorbent articles |
EP3711729B1 (en) | 2019-03-21 | 2020-12-16 | Ontex BV | Absorbent articles |
EP3922226A1 (en) | 2020-06-08 | 2021-12-15 | Ontex BV | Absorbent article with improved channeled core and method of making |
EP3936096B1 (en) | 2020-07-06 | 2022-09-07 | Ontex BV | Absorbent article with improved core and method of making |
US20230248580A1 (en) | 2020-07-06 | 2023-08-10 | Ontex Bv | Absorbent article with improved core and method of making |
EP3936097A1 (en) | 2020-07-06 | 2022-01-12 | Ontex BV | Apparatus and method for the production of absorbent articles with improved core |
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WO2007020562A1 (en) | 2005-08-17 | 2007-02-22 | The Procter & Gamble Company | Method and apparatus for forming a batt of particulate material for use as a component in an absorbent core assembly |
US20110042844A1 (en) | 2009-08-18 | 2011-02-24 | Darrell Ian Brown | Method and apparatus for forming a batt of particulate material for use as a component in an absorbent core assembly |
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JP7082136B2 (ja) | 2022-06-07 |
US11191674B2 (en) | 2021-12-07 |
US20200345558A1 (en) | 2020-11-05 |
JP2020511244A (ja) | 2020-04-16 |
WO2018172860A1 (en) | 2018-09-27 |
CN110446478A (zh) | 2019-11-12 |
IT201700031317A1 (it) | 2018-09-22 |
EP4137109A1 (en) | 2023-02-22 |
EP3600190A1 (en) | 2020-02-05 |
EP3600190B1 (en) | 2022-11-02 |
JP2022110154A (ja) | 2022-07-28 |
CN110446478B (zh) | 2021-10-29 |
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