FR2702371A1 - Lateral sealing barriers for external-use articles - Google Patents

Lateral sealing barriers for external-use articles Download PDF

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Publication number
FR2702371A1
FR2702371A1 FR9302916A FR9302916A FR2702371A1 FR 2702371 A1 FR2702371 A1 FR 2702371A1 FR 9302916 A FR9302916 A FR 9302916A FR 9302916 A FR9302916 A FR 9302916A FR 2702371 A1 FR2702371 A1 FR 2702371A1
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France
Prior art keywords
hygiene articles
impermeable
hygiene
absorbent
contribution
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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.)
Pending
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FR9302916A
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French (fr)
Inventor
Ligeois Dominique Jacques
Le Gall Nathalie Chri Mireille
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Feminil SA
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Feminil SA
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Priority to FR9302916A priority Critical patent/FR2702371A1/en
Publication of FR2702371A1 publication Critical patent/FR2702371A1/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • A61F13/51—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 outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/51121—Topsheet, i.e. the permeable cover or layer facing the skin characterised by the material
    • 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
    • A61F13/51—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 outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
    • 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
    • A61F13/51—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 outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
    • A61F13/51305—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability having areas of different permeability
    • 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
    • A61F13/45—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 shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
    • A61F13/49406—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
    • A61F13/49413—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier
    • 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
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
    • A61F2013/15406—Basis weight
    • 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
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F2013/15821—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing
    • A61F2013/15934—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for making non-woven
    • A61F2013/15967—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for making non-woven by meltblown technique
    • 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
    • A61F13/51—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 outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
    • A61F2013/51409—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film
    • 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
    • A61F13/51—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 outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
    • A61F2013/51441—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a fibrous material
    • A61F2013/51452—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a fibrous material being nonwovens
    • 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
    • A61F2013/530481—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
    • A61F2013/5307—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 characterized by the quantity or ratio of superabsorbent material
    • 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
    • A61F2013/530481—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
    • A61F2013/530708—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 characterized by the absorbency properties
    • 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
    • A61F2013/530481—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
    • A61F2013/530708—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 characterized by the absorbency properties
    • A61F2013/530715—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 characterized by the absorbency properties by the acquisition rate
    • 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
    • A61F13/56—Supporting or fastening means
    • A61F13/58—Adhesive tab fastener elements
    • A61F2013/586—Adhesive tab fastener elements on lateral flaps

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

The present invention relates to the field of feminine hygiene and more particularly to hygiene articles for external use. It specifically relates to hygiene articles which provide period protection, characterised in that the absorbent material, consisting in the central part of defibred and superabsorbent paper paste, is wrapped with a composite layer of the DRY LAY type (dry bonded cellulose fibres) and bordered at the surface and on the sides by an impermeable region, protecting the user from moistness on the side and reducing rewetting of the surface of the product.

Description

BARRIERES D'ETANCHEITE LATERALES
POUR ARTICLES D'HYGIENE A USAGE EXTERNE
La présente invention se rapporte au domaine de l'hygiéne féminine et plus particulièrement aux articles d'hygiène à usage externe.SIDE BARRIERS
FOR HYGIENE ARTICLES FOR EXTERNAL USE
The present invention relates to the field of female hygiene and more particularly to hygiene articles for external use.

L'exemple d'articles à usage externe qui a été choisi pour illustrer l'invention est une serviette pèriodique à ailettes.The example of articles for external use which has been chosen to illustrate the invention is a periodical towel with fins.

L'invention peut également s'appliquer à des serviettes sans ailette ou à d'autres articles d'hygiène.The invention can also be applied to towels without a fin or to other hygienic articles.

Elle concerne spécifiquement des articles d'hygiène assurant une protection pèriodique, caractérisés en ce que le matèriau absorbant, constitué en partie centrale de pâte à papier défibrée et de superabsorbant, est enrobé d'une couche de composite de type DRY LAY ( fibres de cellulose liées par voie sèche) et bordé en surface et sur les côtés par une zone imperméable, protégeant l'utilisateur de l'humidité de côté et réduisant la réhumidification de la surface du produit.It specifically relates to hygiene articles ensuring periodical protection, characterized in that the absorbent material, consisting in the central part of defibrated paper pulp and superabsorbent, is coated with a layer of DRY LAY type composite (cellulose fibers dry bonded) and bordered on the surface and on the sides by an impermeable zone, protecting the user from side humidity and reducing rewetting of the product surface.

L' invention sert notamment à la confection d'articles de protection pèriodique.The invention is used in particular for making periodical protection articles.

En ce qui concerne cette application, le marché de l'hygiène féminine a beaucoup évolué ces dernières années. Regarding this application, the feminine hygiene market has evolved a lot in recent years.

Les changements dans les styles de vie: femmes plus actives, travail, pratique régulière d'un sport, ont entrainé une évolution des consommatrices qui deviennent plus exigeantes quant à la qualité et à l'efficacité des produits.The changes in lifestyles: more active women, work, regular practice of a sport, have led to an evolution of consumers who become more demanding in terms of the quality and effectiveness of products.

Les principales qualités recherchées par les consommatrices étant: - efficacité, discrétion, sécurité, confort et douceur.The main qualities sought by consumers are: - efficiency, discretion, security, comfort and softness.

Les techniques de plus en plus perfectionnées font que ces attentes sont généralement satisfaites.Increasingly sophisticated techniques mean that these expectations are generally met.

En ce qui concerne le confort et la sécurité, une nouvelle génération de serviettes pèriodiques a vu recemment le jour avec le lancement de produits trés minces et à ailettes.In terms of comfort and safety, a new generation of periodic towels has recently emerged with the launch of very thin and finned products.

Les principaux avantages concernant ces produits mettent surtout l'accent sur l'amélioration de la tenue latérale par l'apport d'ailettes adhésives s'étendant de part et d'autre du tampon absorbant et venant se fixer sous le sous-vêtement de l'utilisateur, et l'amélioration du confort par la diminution de l'épaisseur du produit
Ce système de maintien permet effectivement d'assurer une sécurité et un confort supplémentaires pour l'utilisateur mais il présente les désavantages suivants: * le risque de fuites latérales est augmente: la serviette est tirée vers le bas lors de son positionnement dans le sousvêtement.The main advantages of these products focus mainly on improving the lateral hold by providing adhesive fins extending on either side of the absorbent pad and being fixed under the undergarment of the user, and improving comfort by reducing the thickness of the product
This support system effectively ensures additional safety and comfort for the user, but it has the following disadvantages: * the risk of lateral leakage is increased: the towel is pulled down when it is positioned in the undergarment.

Ce phénomène provoque des problèmes d'humidité sur les côtés - le sang menstruel, entrainé par les pentes formées diffuse plus rapidement vers les bords du produit - la matière supèrieure perméable n'adhère plus a cet endroit au coussin absorbant et n'est plus efficace * la réhumidification de la surface du produit * le manque de solidité du tampon absorbant à l'état humide
La serviette pèriodique selon l'invention permet d'améliorer ces 2 concepts sécurité et confort.This phenomenon causes moisture problems on the sides - the menstrual blood, entrained by the slopes formed diffuses more quickly towards the edges of the product - the upper permeable material no longer adheres to this place on the absorbent pad and is no longer effective * rewetting of the product surface * the lack of solidity of the absorbent pad in the wet state
The periodic towel according to the invention makes it possible to improve these 2 concepts of security and comfort.

Elle comporte en effet, selon une première caractéristique, un matériau absorbant constitué en partie centrale de pâte à papier défibrée et de superabsorbant, et enrobé par une couche de composite type DRY LAY
Ce coussin absorbant est ensuite bordé de chaque côté de sa surface en contact avec l'utilisateur, par une zone imperméable. It indeed comprises, according to a first characteristic, an absorbent material consisting in the central part of defibrated paper pulp and superabsorbent, and coated with a layer of DRY LAY type composite
This absorbent cushion is then bordered on each side of its surface in contact with the user, by an impermeable zone.

Cette construction de serviette pèriodique permet, tout en conservant sécurité et confort de diminuer ces inconvénients: * éviter les fuites latérales dues à la diffusion du sang menstruel sur les côtés de la serviette.This construction of periodic towel allows, while maintaining security and comfort to reduce these drawbacks: * avoid lateral leakage due to the diffusion of menstrual blood on the sides of the towel.

Le liquide va en effet être stoppé par les 2 portions de barrières latérales étanches et protègera l'utilisateur de l'humidité de côté. The liquid will indeed be stopped by the 2 portions of watertight side barriers and will protect the user from side humidity.

* réduire la réhumidification de surface du produit: - le retour d'humidité vers la surface sera en partie stoppé par la présence des 2 portions de barrières latérales imperméables et protègera l'utilisateur de l'humidité de surface.* reduce the surface rehumidification of the product: - the return of moisture to the surface will be partly stopped by the presence of the 2 portions of impermeable side barriers and will protect the user from surface moisture.

- la construction du tampon (pâte à papier défibrée + superabsorbant), par sa nature hydrophile, attire rapidement le liquide vers le coeur du produit.- the construction of the pad (defibrated pulp + superabsorbent), by its hydrophilic nature, quickly attracts the liquid towards the heart of the product.

Le liquide réparti dans la masse absorbante est retenu par les grains de superabsorbant ( de préférence type polyacrylate, spécifique au sang, dont la rétention est de l'ordre de 37 g/g et la gélification rapide). The liquid distributed in the absorbent mass is retained by the grains of superabsorbent (preferably polyacrylate type, specific to blood, whose retention is of the order of 37 g / g and rapid gelation).

Cette action de siphonage est également accentuée par la nature fibreuse du composite type DRY LAY (thermobonded ou lie thermiquement, 60 à 120 g/m2) (de préférence 80 g/m2), qui servira par la suite d'isolant vis à vis du liquide qui aurait tendance à remonter en surface.This siphoning action is also accentuated by the fibrous nature of the DRY LAY type composite (thermobonded or thermally bonded, 60 to 120 g / m2) (preferably 80 g / m2), which will subsequently serve as an insulator against the liquid that would tend to rise to the surface.

* solidifier la structure absorbante à l'état humide
Le DRY LAY thermobonded, par sa nature de composite, présente une excellente résistance mécanique à l'état humide, contrairement aux structures classiques de tampon absorbant (forme par exemple uniquement de pâte à papier défibrée et de ouate de cellulose).* solidify the absorbent structure in the wet state
DRY LAY thermobonded, by its composite nature, has excellent mechanical resistance in the wet state, unlike conventional absorbent pad structures (for example, form only defibrated pulp and cellulose wadding).

La serviette périodique selon l'invention est construite suivant des modes particuliers de réalisation * Construction du tampon absorbant - formation d'une bande absorbante (par nappage ou par la méthode DRUM FORMING : tampon moulé) constituée de pâte à papier défibrée et de superabsorbant.The sanitary napkin according to the invention is constructed according to particular embodiments * Construction of the absorbent pad - formation of an absorbent strip (by coating or by the DRUM FORMING method: molded pad) made of defibrated paper pulp and superabsorbent.

La quantité de superabsorbant représentant environ 10 % du poids de pâte à papier défibrée entrant dans la composition du produit.The amount of superabsorbent representing approximately 10% of the weight of defibrated paper pulp used in the composition of the product.

Ces 2 composants formant un mélange homogène. These 2 components form a homogeneous mixture.

- enrobage de cette bande absorbante par une couche de composite de type DRY LAY thermobonded ( de 60 à 120 g/m2)( de préférence 80 g/m2).- coating of this absorbent strip with a layer of DRY LAY type thermobonded composite (from 60 to 120 g / m2) (preferably 80 g / m2).

* Apport d'une zone imperméable bordant le coussin absorbant sur chacun de ses côtés et sur une partie de sa surface supèrieure en contact avec l'utilisateur ( sur une largeur d'au moins 5 mm, de préférence sur 12 mm pour un article d'hygiène féminine) et ceci sur toute sa longueur
Cet apport pourra se faire soit: 1/ par collage de 2 bandes latérales imperméables ( de préférence en polyéthylène de 10 à 15 g/m2) d'au moins 40 mm de large (de préférence de 60 mm dans le cas d'articles d'hygiène féminine), sous la matière perméable en contact avec l'utilisateur.* Provision of an impermeable zone bordering the absorbent cushion on each of its sides and on a part of its upper surface in contact with the user (over a width of at least 5 mm, preferably 12 mm for an article of feminine hygiene) and this over its entire length
This contribution can be made either: 1 / by bonding of 2 waterproof lateral bands (preferably in polyethylene from 10 to 15 g / m2) at least 40 mm wide (preferably 60 mm in the case of articles d 'feminine hygiene), under the permeable material in contact with the user.

2/ par formation d'un repli du film infèrieur imperméable( de préférence en polyéthylène de 20 à 30 g/m2) de largeur d'au moins 200 mm ( de préférence 290 mm dans le cas d'articles d'hygiène féminine).2 / by forming a fold of the waterproof lower film (preferably in polyethylene from 20 to 30 g / m2) with a width of at least 200 mm (preferably 290 mm in the case of feminine hygiene articles).

3/ par collage d'une bande imperméable ( de préférence en polyéthylène 10 à 15 g/m2) d'au moins 60 mm de large enrobant le tampon absorbant par le dessous et venant le border en surface sous le non tissé. 3 / by bonding an impermeable strip (preferably polyethylene 10 to 15 g / m2) at least 60 mm wide coating the absorbent pad from below and coming to border it on the surface under the nonwoven.

4/ par projection de matière imperméable (de préférence type
MELT BLOWN : soufflage de matière à base de colle) sur les parties latérales de la matière supérieure en Non tissé (de préférence type thermobonded 18 à 20 g/m2) sur au moins 20 mm de large (de préférence 60 mm dans le cas d'articles d'hygiène féminine).4 / by spraying waterproof material (preferably type
MELT BLOWN: blowing of glue-based material) on the lateral parts of the upper non-woven material (preferably thermobonded type 18 to 20 g / m2) over at least 20 mm wide (preferably 60 mm in the case of 'feminine hygiene articles).

5/ par utilisation d'un film supérieur imperméable (de préférence en polyéthylène 20 à 30 g/m2), en contact avec la peau de l'utilisateur, la perméabilité de la partie centrale étant réalisée par perforation de cette même matière sur au moins 20 mm de large (de préférence sur 40 mm pour un article d'hygiène féminine) et sur une partie ou sur la totalité de la longueur du produit. 5 / by using a waterproof upper film (preferably polyethylene 20 to 30 g / m2), in contact with the skin of the user, the permeability of the central part being produced by perforating this same material on at least 20 mm wide (preferably 40 mm for a feminine hygiene item) and over part or all of the length of the product.

Les dessins annexés illustrent l'invention - la figure 1 représente en vue de dessus la serviette périodique selon l'invention, - la figure 2 représente en coupe la serviette périodique suivant une première variante, - la figure 3 représente en coupe la serviette périodique suivant une deuxième variante, - la figure 4 représente en coupe la serviette périodique suivant une troisième variante, - la figure 5 représente en coupe la serviette pèriodique suivant une quatrième variante, - la figure 6 représente en coupe la serviette pèriodique suivant une cinquième variante.The accompanying drawings illustrate the invention - Figure 1 shows a top view of the periodic towel according to the invention, - Figure 2 shows in section the periodic towel according to a first variant, - Figure 3 shows in section the following periodic towel a second variant, - Figure 4 shows in section the periodic towel according to a third variant, - Figure 5 shows in section the periodic towel according to a fourth variant, - Figure 6 shows in section the periodic towel according to a fifth variant.

La figure I montre globalement la structure d'une serviette pèriodique réalisée suivant l'invention.Figure I shows overall the structure of a periodic towel produced according to the invention.

En référence à ces dessins, la protection pèriodique comporte une bande absorbante (1) composée de pâte â papier défibrée et de grains de superabsorbant.With reference to these drawings, the periodic protection comprises an absorbent strip (1) composed of defibrated paper pulp and grains of superabsorbent.

Cette bande est enrobée par une couche de composite de type
DRY LAY Thermobonded (2) et collée à celle ci par pulvérisation en partie infèrieure.This strip is coated with a layer of composite of the type
DRY LAY Thermobonded (2) and glued to it by spraying in the lower part.

Le coussin absorbant ainsi constitué, comprend en partie supèrieure une bande de Non tissé (4)( de préférence type
Thermobonded 18 à 20 g/m2), améliorant la diffusion du sang menstruel et assurant une protection supplémentaire contre la remontée du liquide.The absorbent cushion thus formed, comprises in the upper part a strip of nonwoven (4) (preferably type
Thermobonded 18 to 20 g / m2), improving the distribution of menstrual blood and providing additional protection against the rise of the liquid.

Matière à utiliser de préférence lorsque la matière supèrieure est un film perméable perforé plat, et pouvant être supprimée dans le cas ou un film perméable perforé tridimentionnel est utilisé. Material to be used preferably when the upper material is a flat perforated permeable film, and which can be removed in the case where a three-dimensional perforated permeable film is used.

Dans la forme de réalisation selon la figure 2, la zone imperméable (3) (de préférence en polyéthylène de 10 à 15 g/m2) est constituée par 2 bandes latérales collées sur le film perméable supérieur (5) type polyéthylène perforé par pulvérisation de Hot Melt (colle thermofusible) et viennent border le tampon absorbant de chaque côté.In the embodiment according to FIG. 2, the impermeable zone (3) (preferably made of polyethylene from 10 to 15 g / m2) is constituted by 2 lateral strips glued to the upper permeable film (5) of the polyethylene type perforated by spraying with Hot Melt (hot melt glue) and border the absorbent pad on each side.

Dans la forme de réalisation selon la figure 3, la zone imperméable (3) est constituée par un repli de chaque côté du produit, du film inférieur imperméable (6) (de préférence en polyéthylène de grammage 20 à 30 g/m2), afin de venir enrober le tampon absorbant de chaque côté.In the embodiment according to FIG. 3, the impermeable zone (3) is constituted by a fold on each side of the product, of the impermeable lower film (6) (preferably in polyethylene of grammage 20 to 30 g / m2), in order to coat the absorbent pad on each side.

Dans la forme de réalisation selon la figure 4, la zone imperméable (3) (de préférence en polyéthylène de 10 à 15 g/m2) enrobe le tampon absorbant par dessous et vient le border en surface sous le non tissé (4).In the embodiment according to FIG. 4, the impermeable zone (3) (preferably in polyethylene from 10 to 15 g / m2) coats the absorbent pad from below and comes to border it on the surface under the nonwoven (4).

Dans la forme de réalisation selon la figure 5, la zone imperméable (3) est constituée par projection de matière imperméable (de préférence type MELT BLOWN) sur les parties latérales de la matière en non tissé (4).In the embodiment according to FIG. 5, the impermeable zone (3) is formed by spraying impermeable material (preferably MELT BLOWN type) on the lateral parts of the nonwoven material (4).

Dans la forme de réalisation selon la figure 6, la zone imperméable (3) est constituée par la matière supérieure imperméable ~(5') en contact avec la peau de l'utilisateur, perforée en son centre sur une largeur d'au moins 20 mm (de préférence 40 mm pour les articles d'hygiène féminine). In the embodiment according to FIG. 6, the impermeable zone (3) is constituted by the impermeable upper material ~ (5 ′) in contact with the skin of the user, perforated in its center over a width of at least 20 mm (preferably 40 mm for feminine hygiene items).

Le matelas absorbant (1 et 2), la zone imperméable (3), le Non tissé (4) et la partie supèrieure (5) ou (5'), dans le mode de réalisation de la figure 6, sont fixés à la partie imperméable (6) par thermoscellage de chaque côté du tampon et sur chaque pourtour d'ailettes. The absorbent mattress (1 and 2), the waterproof zone (3), the nonwoven (4) and the upper part (5) or (5 ′), in the embodiment of FIG. 6, are fixed to the part waterproof (6) by heat sealing on each side of the pad and on each periphery of fins.

Les ailettes et la partie centrale de la serviette pèriodique sont enduites de Hot Melt (7) et recouvertes de papier silicone (8).The fins and the central part of the periodic towel are coated with Hot Melt (7) and covered with silicone paper (8).

Le dispositif selon l'invention est particulièrement destiné à la réalisation d'articles d'hygiène féminine.The device according to the invention is particularly intended for the production of feminine hygiene articles.

Toutefois, d'autres modalités peuvent être appliquées, sans sortir du cadre de l'invention, en particulier selon une variante, la même structure peut être utilisée pour la réalisation d'articles d'hygiène pour enfant ou pour adulte incontinent. However, other methods can be applied, without departing from the scope of the invention, in particular according to a variant, the same structure can be used for the production of hygiene articles for children or incontinent adults.

Claims (11)

REVENDICATIONS 1/ Articles d'hygiène caractérisés en ce que la partie centrale absorbante est enrobée d'une couche de composite de type DRY LAY et est bordée en partie par une zone imperméable.1 / Hygiene items characterized in that the absorbent central part is coated with a layer of DRY LAY type composite and is bordered in part by an impermeable zone. 2/ Articles d'hygiène, selon la revendication 1, caractérisés en ce que, la partie centrale absorbante est bordée par une zone imperméable la recouvrant sur ses bords et sur une partie de sa surface supèrieure et ceci sur toute sa longueur.2 / Hygiene articles, according to claim 1, characterized in that, the absorbent central part is bordered by an impermeable zone covering it on its edges and on part of its upper surface and this over its entire length. 3/ Articles d'hygiène, selon la revendication 1, caractérisés en ce que la partie centrale absorbante , constituée de pâte à papier défibrée et de superabsorbant, est enrobée par une couche de composite de type DRY LAY.3 / Hygiene articles, according to claim 1, characterized in that the absorbent central part, consisting of defibrated paper pulp and superabsorbent, is coated with a layer of DRY LAY type composite. 4/ Articles d'hygiène selon l'une des revendications 1 à 3, caractérisés en ce que le composite DRY LAY est un type thermobonded d'un grammage compris entre 60 et 120 g/m2 et de préférence de 80 g/m2.4 / Hygiene articles according to one of claims 1 to 3, characterized in that the DRY LAY composite is a thermobonded type with a basis weight between 60 and 120 g / m2 and preferably 80 g / m2. 5/ Articles d'hygiène selon l'une des revendications 1 à 4, caractérisés en ce que la nappe centrale constituée de pâte à papier défibrée et de superabsorbant est formée par nappage ou de préférence par la méthode dite DRUM FORMING ou tampon moulé. 5 / Hygiene items according to one of claims 1 to 4, characterized in that the central web consisting of defibrated paper pulp and superabsorbent is formed by coating or preferably by the method called DRUM FORMING or molded pad. 6/ Articles d'hygiène selon l'une ou plusieurs des revendications précédentes, caractérisés en ce que la zone imperméable borde le tampon absorbant de chaque côté de sa surface sur au moins 5 mm ( de préférence sur 12 mm dans le cas d'articles d'hygiène féminine).6 / Hygiene articles according to one or more of the preceding claims, characterized in that the impermeable zone borders the absorbent pad on each side of its surface on at least 5 mm (preferably on 12 mm in the case of articles feminine hygiene). 7/ Articles d'hygiène selon l'une des revendications 1 à 6, caractérisés en ce que l'apport de la zone imperméable ( de préférence en polyéthylène de 10 à 15 g/m2) se fait par collage de 2 bandes latérales d'au moins 40 mm de large (de préference 60 mm dans le cas d'articles d'hygiène féminine).7 / Hygiene articles according to one of claims 1 to 6, characterized in that the contribution of the impermeable zone (preferably in polyethylene from 10 to 15 g / m2) is made by gluing of 2 lateral strips of at least 40 mm wide (preferably 60 mm in the case of feminine hygiene articles). 8/ Articles d'hygiène selon l'une des revendications 1 à 6, caractérisés en ce que l'apport de la zone imperméable bordant le tampon absorbant se fait par formation d'un repli du film infèrieur imperméable (de préférence en polyéthylène de 20 à 30 g/m2),de largeur de matière d'au moins 200 mm et de préférence 290 mm (en cas d'articles d'hygiène féminine).8 / hygienic articles according to one of claims 1 to 6, characterized in that the contribution of the impermeable zone bordering the absorbent pad is effected by the formation of a fold of the impermeable lower film (preferably of polyethylene of 20 at 30 g / m2), with a material width of at least 200 mm and preferably 290 mm (in the case of feminine hygiene articles). 9/ Articles d'hygiène selon l'une des revendications 1 à 6, caractérisés en ce que l'apport de la zone imperméable se fait par collage d'une bande imperméable ( de préférence de 10 à 15 g/m2) d'une largeur d'au moins 60 mm enrobant le tampon absorbant par le dessous et venant le border en surface sous le non tissé. 9 / Hygiene articles according to one of claims 1 to 6, characterized in that the contribution of the impermeable zone is made by bonding an impermeable band (preferably from 10 to 15 g / m2) of width of at least 60 mm coating the absorbent pad from below and coming to border it on the surface under the nonwoven. 10/ Articles d'hygiène selon l'une des revendications 1 à 6, caractérisés en ce que l'apport de la zone imperméable se fait par projection de matière imperméable ( de préférence de type 10 / Hygiene articles according to one of claims 1 to 6, characterized in that the contribution of the impermeable zone is made by projection of impermeable material (preferably of the type MELT BLOWN) sur les parties latérales du non tissé, sur au moins 20 mm de large ( de préférence de 60 mm pour des articles d'hygiène féminine).MELT BLOWN) on the lateral parts of the nonwoven, at least 20 mm wide (preferably 60 mm for feminine hygiene articles). 11/ Articles d'hygiène selon l'une des revendications 1 à 6, caractérisés en ce que l'apport de la zone imperméable (en polyéthylène de préférence de 20 à 30 g/m2) se fait par la matière supèrieure imperméable en contact avec la peau de l'utilisateur , la perméabilité de la partie centrale étant réalisée par perforation de cette même matière sur au moins 20 mm de large ( de préférence sur 40 mm pour un article d'hygiène féminine) et sur une partie ou sur la totalité de la longueur du produit 11 / Hygiene articles according to one of claims 1 to 6, characterized in that the contribution of the waterproof zone (preferably in polyethylene of 20 to 30 g / m2) is made by the upper waterproof material in contact with the skin of the user, the permeability of the central part being produced by perforation of the same material over at least 20 mm wide (preferably 40 mm for an article of feminine hygiene) and over part or all the length of the product
FR9302916A 1993-03-08 1993-03-08 Lateral sealing barriers for external-use articles Pending FR2702371A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9302916A FR2702371A1 (en) 1993-03-08 1993-03-08 Lateral sealing barriers for external-use articles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9302916A FR2702371A1 (en) 1993-03-08 1993-03-08 Lateral sealing barriers for external-use articles

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Publication Number Publication Date
FR2702371A1 true FR2702371A1 (en) 1994-09-16

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FR9302916A Pending FR2702371A1 (en) 1993-03-08 1993-03-08 Lateral sealing barriers for external-use articles

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FR (1) FR2702371A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000000141A3 (en) * 1998-06-29 2000-03-16 Procter & Gamble Device for handling body liquids which transports body liquid by siphoning
US6497689B1 (en) * 1999-06-29 2002-12-24 The Procter & Gamble Company Device for handling body liquids which transports body liquid by siphoning

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1550233A (en) * 1967-10-02 1968-12-20
FR2394287A1 (en) * 1977-06-17 1979-01-12 Kao Corp SANITARY NAPKIN
FR2515029A1 (en) * 1981-10-28 1983-04-29 Schickedanz Ver Papierwerk HYGIENIC COMPRESSED ADSORPTION SUCH AS A HYGIENIC TOWEL OR THE LIKE
GB2114445A (en) * 1982-02-04 1983-08-24 Kimberly Clark Co Sanitary napkin
WO1983003051A1 (en) * 1982-03-02 1983-09-15 Holvoet, Marcel Method for manufacturing an article of a unique use and article having a unique use intended to absorb liquids
US4808178A (en) * 1981-07-17 1989-02-28 The Proctor & Gamble Company Disposable absorbent article having elasticized flaps provided with leakage resistant portions
EP0400694A1 (en) * 1985-04-03 1990-12-05 National Starch and Chemical Investment Holding Corporation Hot melt adhesive waste barrier

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1550233A (en) * 1967-10-02 1968-12-20
FR2394287A1 (en) * 1977-06-17 1979-01-12 Kao Corp SANITARY NAPKIN
US4808178A (en) * 1981-07-17 1989-02-28 The Proctor & Gamble Company Disposable absorbent article having elasticized flaps provided with leakage resistant portions
FR2515029A1 (en) * 1981-10-28 1983-04-29 Schickedanz Ver Papierwerk HYGIENIC COMPRESSED ADSORPTION SUCH AS A HYGIENIC TOWEL OR THE LIKE
GB2114445A (en) * 1982-02-04 1983-08-24 Kimberly Clark Co Sanitary napkin
WO1983003051A1 (en) * 1982-03-02 1983-09-15 Holvoet, Marcel Method for manufacturing an article of a unique use and article having a unique use intended to absorb liquids
EP0400694A1 (en) * 1985-04-03 1990-12-05 National Starch and Chemical Investment Holding Corporation Hot melt adhesive waste barrier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000000141A3 (en) * 1998-06-29 2000-03-16 Procter & Gamble Device for handling body liquids which transports body liquid by siphoning
US6497689B1 (en) * 1999-06-29 2002-12-24 The Procter & Gamble Company Device for handling body liquids which transports body liquid by siphoning

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