JP2011519319A - 衛生用品等向けの伸縮性層材料およびその製造方法 - Google Patents
衛生用品等向けの伸縮性層材料およびその製造方法 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
- B32B37/1292—Application of adhesive selectively, e.g. in stripes, in patterns
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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
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- A61F13/15585—Apparatus or processes for manufacturing of babies' napkins, e.g. diapers
- A61F13/15593—Apparatus or processes for manufacturing of babies' napkins, e.g. diapers having elastic ribbons fixed thereto; Devices for applying the ribbons
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- A—HUMAN NECESSITIES
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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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- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
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- B29C65/5057—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like positioned between the surfaces to be joined
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
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- B29C66/81431—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single cavity, e.g. a groove
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Abstract
【選択図】図7
Description
Claims (15)
- 層(102、104)のうち少なくとも1つに連結された(108、108')伸縮性層(106)を備える伸縮性層材料(100)であって、
前記伸縮性層(106)の伸張は、伸張していない状態から始まり、前記層(102、104)のうち少なくとも1つの伸張を生じさせ、前記伸縮性層(106)が前記伸張していない状態に戻ることにより、前記層(102、104)のうち少なくとも1つが引っ張られた状態から皴のある状態となり、前記伸縮性層(106)と前記層(102、104)のうち少なくとも1つとは、剥離しないように溶接により接続され、
前記伸縮性層(106)は、前記層(102、104)のうち少なくとも1つに、拡散接着剤の線(108、108')により固定され、前記溶接による接続は、前記拡散接着剤の線(108、108')を避けて設けられることを特徴とする材料。 - 気体透過特性を与える開口のアレイを備え、
前記開口は、前記拡散接着剤の線(108、108')を避けて設けられる請求項1に記載の材料。 - 前記層(102、104)の両方の間に前記伸縮性層(106)が介在する挟持構造を備える請求項1または請求項2に記載の材料。
- 前記拡散接着剤の線(108、108')を前記伸縮性層(106)の両側に設けて前記層(102、104)の両方に対して固定する請求項3に記載の材料。
- 前記拡散接着剤の線(108、108')は、2から10mmの間の幅を有し、好適には4から6mmの間の幅を有する請求項1から請求項4のいずれか一項に記載の材料。
- 前記層(102、104)のうち少なくとも1つは、不織布およびプラスチック材料フィルムのうちから選択された材料から形成される請求項1から請求項5のいずれか一項に記載の材料。
- 前記拡散接着剤の線(108、108')を避けて設けられる前記溶接による接続は、超音波溶接による接続である請求項1から請求項6のいずれか一項に記載の材料。
- 前記材料はテープの縦伸張方向を横切る方向に伸張するウェブ(100)の形状であり、前記拡散接着剤の線(108、108')は、前記ウェブの側面に沿って伸張する請求項1から請求項7のいずれか一項に記載の材料。
- 前記挟持構造は、
前記拡散接着剤の線(108)が複数対設けられたベース層(102)と、
前記拡散接着剤の線(108)の対応する対により前記ベース層(102)に固定された複数の前記伸縮性層(106)と、
少なくとも1つのさらなる層(104)と
を有し、
前記複数の伸縮性層(106)は、前記ベース層(102)と前記少なくとも1つのさらなる層(104)との間に介在する請求項3および請求項8に記載の材料。 - 伸縮性材料を製造する方法であって、
伸張を維持する(T、B)層(102、104)のうち少なくとも1つに、伸張していない状態から伸張した(R1、R2)伸縮性層(106)を連結する(108、108')工程と、
前記伸縮性層(106)と前記層(102、104)のうち少なくとも1つとを、剥離しないように溶接により接続する工程と、
前記伸縮性層(106)に連結された(108、108')前記層(102、104)のうち少なくとも1つを解放して、前記伸縮性層(106)が前記伸張していない状態に戻ることにより、前記層(102、104)のうち少なくとも1つが引っ張られた状態から皴のある状態となる工程と
を備え、
前記伸縮性層(106)を、前記層(102、104)のうち少なくとも1つに、拡散接着剤の線(108、108')により固定する工程と、
前記溶接による接続を、前記拡散接着剤の線(108、108')を避けて設ける工程とを備えることを特徴とする方法。 - 気体透過特性を与える開口のアレイを形成する(P)工程と、
前記開口を、前記拡散接着剤の線(108、108')を避けて設ける工程とを備える請求項10に記載の方法。 - 前記拡散接着剤の線(108、108')は、2から10mmの間の幅を有し、好適には4から6mmの間の幅を有する請求項10または請求項11に記載の方法。
- 前記拡散接着剤の線(108)が複数対設けられたベース層(102)を提供する工程と、
伸張を維持する(T、B)前記ベース層(102)へ、前記拡散接着剤の線(108)により、伸張していない状態から伸張した(R1、R2)伸縮性層(106)を連結する工程と、
前記拡散接着剤の線(108)の複数対の間の一つの位置で前記伸縮性層(106)を切断して(Z)、前記拡散接着剤の線(108)の対応する対により前記ベース層(102)に固定された複数の前記伸縮性層(106)を提供する工程と、
少なくとも1つのさらなる層(104)を、前記伸張した伸縮性層(106)が連結された(108)伸張を維持する(T、B)前記ベース層(102)に連結して、前記ベース層(102)と前記少なくとも1つのさらなる層(104)との間に前記複数の伸縮性層(106)が介在する挟持構造を形成する工程とを備える請求項10から請求項12のいずれか一項に記載の方法。 - 前記拡散接着剤の線(108)が複数対設けられたベース層(102)を提供する工程と、
伸張を維持する(T、B)前記ベース層(102)へ、前記拡散接着剤の線(108)により、伸張していない状態から伸張した(R1、R2)伸縮性層(106)を連結する工程と、
さらなる層(104)を、前記伸張した(R1、R2)伸縮性層(106)が連結された伸張を維持する(T、B)前記ベース層(102)に連結して、前記ベース層(102)と前記さらなる層(104)との間に前記伸縮性層(106)が介在する挟持構造を形成する工程と、
前記拡散接着剤の線(108)の複数対の間の一つの位置で前記さらなる層(104)と前記伸縮性層(106)とを切断して(Z)、前記拡散接着剤の線(108)の対応する対と複数のさらなる層(104)とにより前記ベース層(102)に固定された複数の前記伸縮性層(106)を提供する工程とを備え、
前記複数の伸縮性層(106)は、前記ベース層(102)と前記複数のさらなる層(104)のうち対応する層との間に介在する請求項10から請求項13のいずれか一項に記載の方法。 - 請求項1から請求項9のいずれか一項に記載の伸縮性材料の、衛生用品の製造への利用。
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ITTO2008A000325 | 2008-04-30 | ||
IT000325A ITTO20080325A1 (it) | 2008-04-30 | 2008-04-30 | "materiale laminare estendibile, in particolare per articoli igienico-sanitari, e relativo procedimento di fabbricazione" |
PCT/IB2009/051691 WO2009133508A1 (en) | 2008-04-30 | 2009-04-24 | An extensible laminar material, particularly for sanitary articles, and method of producing same |
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US (1) | US9434143B2 (ja) |
EP (1) | EP2276623A1 (ja) |
JP (1) | JP5352838B2 (ja) |
CN (1) | CN102015256B (ja) |
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CN102015256B (zh) | 2015-06-17 |
BRPI0912027A2 (pt) | 2015-10-06 |
ITTO20080325A1 (it) | 2008-07-30 |
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