DE3205931A1 - Absorbent cushion for hygienic cellulose articles - Google Patents

Absorbent cushion for hygienic cellulose articles

Info

Publication number
DE3205931A1
DE3205931A1 DE19823205931 DE3205931A DE3205931A1 DE 3205931 A1 DE3205931 A1 DE 3205931A1 DE 19823205931 DE19823205931 DE 19823205931 DE 3205931 A DE3205931 A DE 3205931A DE 3205931 A1 DE3205931 A1 DE 3205931A1
Authority
DE
Germany
Prior art keywords
absorbent
liquid
openings
perforations
absorbent pad
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
Application number
DE19823205931
Other languages
German (de)
Other versions
DE3205931C2 (en
Inventor
Krzysztof Dipl.-Chem. 8500 Nürnberg Malowaniec
Horst Dipl.-Chem. Dr. 8501 Roßtal Reinheimer
Christof 8501 Eckental Stary
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VP Schickedanz AG
Original Assignee
Vereinigte Papierwerke Schickedanz and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Vereinigte Papierwerke Schickedanz and Co filed Critical Vereinigte Papierwerke Schickedanz and Co
Priority to DE19823205931 priority Critical patent/DE3205931C2/en
Publication of DE3205931A1 publication Critical patent/DE3205931A1/en
Application granted granted Critical
Publication of DE3205931C2 publication Critical patent/DE3205931C2/en
Expired legal-status Critical Current

Links

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
    • 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
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
    • A61F13/4751—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction
    • A61F13/4756—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means consisting of grooves, e.g. channels, depressions or embossments, resulting in a heterogeneous surface level
    • 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
    • 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
    • A61F13/515—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 characterised by the interconnection of the topsheet and the backsheet
    • 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
    • A61F13/531—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
    • A61F13/532—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
    • 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
    • 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
    • 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
    • A61F2013/4587—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 with channels or deep spot depressions on the upper surface
    • 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
    • A61F2013/51409—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film
    • A61F2013/51411—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film being impervious to fluids but not for air or vapours
    • 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
    • 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
    • A61F13/539—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 characterised by the connection of the absorbent layers with each other or with the outer layers
    • A61F2013/5395—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 characterised by the connection of the absorbent layers with each other or with the outer layers with thermoplastic agent, i.e. softened by heat

Abstract

Children's nappies, napkins for incontinent individuals, patients' undersheets and similar articles contain absorbent cushions made of cellulose. These absorbent cushions have a liquid-permeable film which faces the body in use, a liquid-impermeable film which faces away from the body in use and at least one absorbent layer located between these films. However, since the liquid to be absorbed usually only emerges at a locally restricted site it must be distributed over the surface of the absorbent cushion by appropriate measures. For this it is proposed that the two covering films reach through perforations in the absorbent layer and be connected with each other. The perforations may be oblong and arranged in the longitudinal direction of the absorbent cushion. Furthermore, in each case at least one linear perforation or several discrete perforations which together form a row may be arranged in the two longitudinal edge regions. <IMAGE>

Description

Saugkissen für hygienische Suction pad for hygienic

Zellstoff-Erzeugnisse Die Erfindung betrifft. ein Saugkissen für hygienische Zellstoff-Erzeugnisse nach dem Oberbegriff des Patentanspruches 1. Pulp Products The invention relates to. a suction pad for hygienic pulp products according to the preamble of claim 1.

Derartige Saugkissen sind in Windeln, beispielsweise Kinderwindeln, Inkontinentenwindeln, Krankenunterlagen und ähnlichen Erzeugnissen vorhanden. Sie bestehen, wie der Oberbegriff des Patentanspruches 1 anzeigt, aus mehreren übereinander angeordneten Schichten, wobei die mittlere Schicht das eigentliche Saugkissen darstellt und die beiden äußeren Schichten das Saugkissen abdecken und mechanisch zusammenhalten sollen. Die eine der beiden äußeren Abdeckschichten, die beim Gebrauch dem Körper zugewandt ist, muß dabei naturgemäß flüssigkeitsdurchlässig sein. Die andere, beim Gebrauch vom Körper abgewandte Schicht, soll vorzugsweise flüssigkeitsundurchlässig sein, um das Austreten von Flüssigkeit aus dem Saugkissen zu verhindern. Sie kann beispielsweise aus einer dünnen Kunststoffolie bestehen, wobei zusätzlich die Möglichkeit besteht, diese Folie mikroporös zu machen, derart, daß sie zwar dampfdurchlässig, nicht aber flüssigkeitsdurchlässig ist. Derartige Folien werden als "atmungsaktiv" bezeichnet.Such absorbent pads are in diapers, for example children's diapers, Incontinent diapers, medical pads and similar products available. she consist, as the preamble of claim 1 indicates, of several on top of each other arranged layers, the middle layer being the actual absorbent pad and the two outer layers cover the absorbent pad and hold them together mechanically should. One of the two outer cover layers that are applied to the body during use is facing, must naturally be liquid-permeable. The other, at If the layer is away from the body, it should preferably be impermeable to liquids to prevent liquid from leaking out of the absorbent pad. she can for example from a thin one Plastic film exist, with additional it is possible to make this film microporous in such a way that it is is vapor-permeable, but not liquid-permeable. Such films are referred to as "breathable".

Ein besonderes Problem bei derartigen Saugkissen tritt auf, wenn die zu absorbierende Flüssigkeit in verhältnismäßg großer Menge stoßartig anfällt. In solchen Fällen kann es sein, daß die Ansauggeschwindigkeit des Saugkissens nicht ausreicht, um die Flüssigkeit sogleich aufzunehmen, was zur Folge hat, daß sich die Flüssigkeit auf der Oberfläche des Saugkissens ausbreitet und dabei die Ränder des Saugkissens überschreitet. Dieser unerwünschte Effekt hat verschiedene Ursachen; eine wesentliche Ursache besteht darin, daß die zuerst anfallenden Flüssigkeitsportionen nicht sogleich im Saugkissen verteilt werden und dadurch das Saugkissen an der Anfallstelle verstopfen.A particular problem with such absorbent pads occurs when the liquid to be absorbed occurs suddenly in a relatively large amount. In In such cases it may be that the suction speed of the suction pad is not sufficient to absorb the liquid immediately, which has the consequence that the liquid spreads on the surface of the absorbent pad and thereby the edges of the suction pad exceeds. This undesirable effect has various causes; One of the main reasons is that the portions of liquid that arise first are not immediately distributed in the absorbent pad and thereby the absorbent pad at the point of occurrence clog.

Um das Flüssigkeits- und -Aufnahmevermögen von Saugkissen zu erhöhen, ist es aus der deutschen Auslegeschrift 14 92 431 bekannt, im Saugkissen einen oder mehrere saugstoffreie sich ganz oder teilweise von der Hüllenoberseite zur Hüllenunterseite erstreckende Abschnitte anzuordnen. Das Saugkissen dieser Ausführungsforin hat also gewissermaßen Löcher, die als zusätzliche Flüssigkeitsaufnahmeräume dienen können.To increase the fluid and absorption capacity of absorbent pads, it is from the German exposition 14 92 431 known, in the absorbent pad one or more absorbent-free are wholly or partially removed from the top of the envelope to arrange to the shell underside extending sections. The absorbent pad of this design so to a certain extent has holes that serve as additional fluid receiving spaces can.

-r Ein Zweck dieser Löcher soll insbesondere bei solchen Saugkissen, die aus Zellstofflocken bestehen, sein, das Verklumpen der Flocken bei starkem Flüssigkeitsanfall zu vermeiden. -r One purpose of these holes is, in particular, with such absorbent pads, which consist of pulp flakes, the clumping of the flakes when there is a large amount of liquid to avoid.

Der Erfindung liegt ebenfalls die Aufgabe zugrunde, die bekannten Saugkissen für hygienische Zellstofferzeugnisse weiterzuentwickeln, um ihr Flüssigkeitsansaug- und#-Aufnahmevermögen zu erhöhen. Der Erfinder erreicht dieses Ziel jedoch nicht durch Anordnung von Löchern im Saugkissen, sondern dadurch, daß er Flüssigkeitsleitwege in das Saugkissen einbaut, welche die schnelle Verteilung der anfallenden Flüssigkeit im Saugkörper begünstigen. Grundsätzlich ist die Anordung von Flüssigkeitsleitwegen in Saugkissen für hygienische Zellstofferzeugnisse bekannt. Die vorbekannten Flüssigkeiztsleitwege wurden dadurch erzeugt, daß die Zellstoffschichten stellenweise verdichtet, beispielsweise stark zusammengepreßt wurden. Nach einem anderen Vorschlag ist es bekannt, Leitwege dadurch zu erzeugen, daß einzelne Zonen des Saugkissens mit Wachs oder Harzen getränkt und so für Flüssigkeiten undurchlässig gemacht wurden. Die vorbekannten Vorschläge haben aber den Nachteil, daß die Weichheit und häufig sogar die Verformbarkeit des Saugkissens derart stark elngeschränkt wird, daß sich solche Anordnungen praktisch nicht bewährt haben.The invention is also based on the object of the known To further develop suction pads for hygienic pulp products in order to and # -acceptance to increase. However, the inventor does not achieve this goal by arranging holes in the absorbent pad, but rather by having fluid ducts built into the absorbent pad, which ensures the rapid distribution of the resulting liquid favor in the absorbent body. Fundamental is the arrangement of fluid conduits in absorbent pads for hygienic pulp products known. the Known liquid pathways were created by the fact that the pulp layers compressed in places, for example strongly compressed. After a Another proposal is known to generate routes in that individual zones of the absorbent pad soaked in wax or resin and thus impermeable to liquids were made. The previously known proposals have the disadvantage that the softness and often the deformability of the absorbent pad is so severely restricted that that such arrangements have not proven effective in practice.

Der Erfinder geht nun von den vorbekannten Saugkissen aus, bei denen in der Saugschicht Durchbrechungen angeordnet sind, welche die gesamte Saugschicht durchsetzen.The inventor is now based on the previously known absorbent pads in which perforations are arranged in the absorbent layer, which cover the entire absorbent layer push through.

Er gelangt zur Lösung der Aufgabe dadurch, daß die beiden Abdeckfolien durch die Durchbrechungen hindurch miteinander verbunden sind. Es wurde festgestellt, daß durch diese Anordnung der gewünschte Effekt der Flüssigkeitsleitung tatsächlich erreicht wird, ohne daß die Flexibilität und Weichheit des Kissens beeinträchtigt wird. Im Gegenteil: Es entsteht ein besonders fülliges und weiches Polsterkissen, in welchem die Flocke unverrückbar festgelegt ist und auch bei starker Durchnässung nicht zum Verklumpen neigt. Die vorgeschlagene Anordnung hat zudem noch weiter den Vorteil, daß die durch -r das Flockenkissen hindurchreichende Verbindung der Ober-und Unterfolie besonders fest ist und auch bei starker Belastung nicht aufreißt, was darauf zurückzuführen ist, daß die Verbindungsstellen völlig flockenfrei sind.He achieves the problem in that the two cover films are connected to one another through the openings. It was determined, that by this arrangement the desired effect of the liquid conduction actually is achieved without the Flexibility and softness of the pillow is affected. On the contrary: the result is a particularly full and soft one Upholstered cushion in which the flake is immovably fixed and also when it is strong Soaking does not tend to clump. The proposed arrangement also has still further the advantage that the connection reaching through the flock cushion the upper and lower film is particularly strong and not even under heavy loads tears open, which is due to the fact that the joints are completely free of flakes are.

Diesem Vorteil kommt in der Praxis erhebliche Bedeutung zu, insbesondere bei Kinderwindeln, Krankenunterlagen und ähnlichen Produkten, die durch Aufliegen und gegebenenfalls auch Bewegung, besonders stark mechanisch beansprucht sind.This advantage is of considerable importance in practice, in particular for children's diapers, medical pads and similar products that are caused by lying on and possibly also movement, are subject to particularly high mechanical loads.

Bei einer bevorzugten Ausführungsform der Erfindung sind die Durchbrechungen länglich und ihre Längsachsen sind in Längsrichtung des Saugkissens angeordnet. Bei einer weiteren bevorzugten Ausführungsform sind in den beiden Längsrandbereichen jeweils wenigstens eine linienförmige Durchbrechung oder mehrere diskrete, zusammen eine Reihe bildende Durchbrechungen angeordnet, durch die die Abdeckfolien miteinander verbunden sind, wobei die Linien oder Reihen zur Saugkissenmitte konvergierend verlaufen. Es entstehen auf diese Weise Flüssigkeitsleitlinien, welche die Flüssigkeit daran hindern, sich in Richtung der Windelbreite auszudehnen, sondern sich stattdessen in Windellängsrichtung leiten. Genau dies ist erwünscht, da sich in Windellängsrichtung die Hauptmenge des Saugstoffes erstreckt.In a preferred embodiment of the invention, the openings are elongated and their longitudinal axes are arranged in the longitudinal direction of the suction pad. In a further preferred embodiment, there are in the two longitudinal edge regions at least one at a time linear opening or several discrete, arranged together a row forming perforations through which the Cover films are connected to one another, the lines or rows to the center of the absorbent pad converge. In this way, fluid guidelines are created, which prevent the liquid from expanding in the direction of the width of the diaper but Instead, guide yourself in the longitudinal direction of the diaper. Exactly this is what is desired, since The main amount of absorbent material extends in the longitudinal direction of the diaper.

Des weiteren wird vorgeschlagen, daß in jedem Längs-Randbereich des #Saugkissens zwei mit Abstand verlaufende linienförmige Durchbrechungen oder Reihen angeordnet sind, zwischen denen sich jeweils ein durchgehendes Flockenfeld befindet. Diese Doppellinien dienen als besonders wirksame Flüssigkeitssperre, die den Austritt der Flüssigkeit zur Seite hin verhindert. Schließlich wird vorgeschlagen, in den Flockenfeldern zwischen den erwähnten Durchbrechungen oder Reihen, Quell stoffe anzuordnen, welche hier ein besonders hohes Saugvermögen der Windel bewirken. Durch die Anordnung solcher Quellstoffe gerade an dAeserWStelle wird zudem noch der weitere Effekt erzielt, daß bei Benetzung das Volumen des Saugstoffes sich an dieser Stelle vergrößert. Es entstehen dadurch kleine dammartige Erhebungen, welche die Abdichtung verbessern. Besonders praktisch ist -r hierbei, daß diese'dammartigen Erhebungen erst bei Benässung entstehen und sich folglich solange nicht störend bemerkbar machen, wie die Windel noch trocken ist.It is also proposed that in each longitudinal edge region of the #Suction pad two spaced linear openings or rows are arranged, between which there is a continuous field of flakes. These double lines serve as a particularly effective liquid barrier that prevents the exit the liquid to the side prevents. Finally, it is suggested in the Fields of flakes between the mentioned breakthroughs or rows, swelling substances to arrange, which here has a particularly high pumping speed the diaper cause. By arranging such swelling substances precisely at that point, Another effect achieved is that when wetting the volume of the absorbent material increases enlarged at this point. This creates small dam-like elevations, which improve the seal. It is particularly practical here that these dam-like Elevations only arise when moistened and are consequently not disturbing for so long Notice how the diaper is still dry.

Die Erfindung wird im folgenden anhand der beiliegenden Zeichnung näher erläutert. Es stellen dar: Fig. 1: eine Draufsicht auf eine Ausführungsform einer erfindungsgemäßen Windel; Fig. 2: einen Querschnitt entlang der Linie II/II der Fig. 1.The invention is described below with reference to the accompanying drawing explained in more detail. The figures show: FIG. 1: a plan view of an embodiment a diaper according to the invention; Fig. 2: a cross section along the line II / II of Fig. 1.

Das in der Zeichnung schematisch dargestellte Saugkissen ist als Ganzes mit 1 bezeichnet. Wie an sich bekannt, weist es eine obere, bei Gebrauch dem Körper zugewandte flüssigkeitsdurchlässige Folie 2 auf, ferner eine bei Gebrauch vom Körper abgewandte flüssigkeitsundurchlässige Folie 3 sowie wenigstens eine dazwischen angeordnete Saugschicht 4. In der Saugschicht 4 befinden sich Durchbrechungen 5, welche die gesamte Saugschicht durchsetzen. Insbesondere Fig. 1 läßt erkennen, daß diese Durchbrechungen verschiedene Formen aufweisen und auch in verschiedener Richtung verlaufen können.The suction pad shown schematically in the drawing is as a whole denoted by 1. As is known per se, it has an upper, in use, the body facing liquid-permeable film 2, also one at Use of liquid-impermeable film 3 facing away from the body and at least an absorbent layer 4 arranged in between. There are perforations in the absorbent layer 4 5, which penetrate the entire absorbent layer. In particular Fig. 1 shows that these openings have different shapes and also in different Direction.

Gemeinsam ist diesen Durchbrechungen, daß die beiden Abdeckfolien 2; 3 durch sie hindurchgreifen und miteinander verbunden sind.What these openings have in common is that the two cover films 2; 3 reach through them and are connected to one another.

Fig. 1 läßt erkennen, daß die Durchbrechungen in der Mehrzahl länglich geformt und ihre Längsachsen in Längsrichtung des Saugkissens angeordnet sind. Es entsteht auf diese Weise ein Muster, welches im wesentlichen über die Gesamtfläche des Saugkissens verteilt ist und anfallende Flüssigkeit in Längsrichtung leitet.Fig. 1 shows that the breakthroughs are elongated in the majority shaped and their longitudinal axes are arranged in the longitudinal direction of the suction pad. It This creates a pattern that essentially covers the entire surface of the absorbent pad is distributed and directs accumulating liquid in the longitudinal direction.

Um den gewünschten Effekt der Längsverteilung anfallender Flüssigkeit zu verstärken, ist bei der in der Zeichnung dargestellten bevorzugten Ausführungsform in den beiden Längsrandbereichen 6 und 7 jeweils wenigstens eine linienförmige Durchbrechung 8 angeordnet. Bei der dargestellten Ausführungsform sind zwei derartige Durchbrechungen 8 vorhanden. Anstelle einer linienförmigen Durchbrechung 8 können auch mehrere diskrete Durchbrechungen 9 vorhanden sein, die zusammen eine . .To the desired effect of the longitudinal distribution of the accumulating liquid to reinforce is in the preferred embodiment shown in the drawing in the two longitudinal edge regions 6 and 7 each have at least one linear opening 8 arranged. In the embodiment shown, there are two such openings 8 available. Instead of one linear opening 8, several discrete Breakthroughs 9 may be present, which together have one. .

Reihe bilden. In jedem Fall sind durch jede der genannten Durchbrechungen die beiden Abdeckfolien 2 und 3 miteinander verbunden. Vorteilhaft ist es, wenn die linienförmigen Durchbrechungen 8 oder die Reihen, welche die diskreten Durchbrechungen bilden, zur Saugkissenmitte konvergierend verlaufen, wie dies in Fig. 1 dargestellt ist.Form a row. In each case are through each of the mentioned openings the two cover films 2 and 3 connected to one another. It is advantageous if the line-shaped openings 8 or the rows which contain the discrete openings form, converge towards the center of the suction pad, as shown in FIG is.

Bei der in der Zeichnung wiedergegebenen Ausführungsform sind in jedem Längsrandbereich 6 und 7 zwei mit Abstand verlaufende linienförmige Durchbrechungen 8 angeordnet, zwischen denen sich jeweils ein durchgehendes Flockenfeld 10 befindet. Dieses Flockenfeld, welches zudem noch mit Quell stoff angereichert sein kann, bildet eine wirksame Flüssigkeitsbarriere nach Art einer Labyrinthdichtung.In the embodiment shown in the drawing are in each Longitudinal edge area 6 and 7 two spaced linear openings 8 arranged, between each of which there is a continuous flake field 10. This field of flakes, which can also be enriched with swelling material, forms an effective liquid barrier in the manner of a labyrinth seal.

Mit dem Ausdruck "Quellstoffe" sind im vorliegenden Fall natürliche oder künstlich erzeugte Stoffe gemeint, die bei Wasseraufnahme ihr Volumen vergrößern und dabei das aufgenommene Wasser chemisch und/oder physikalisch binden. Solche natürlichen Stoffe sind beispielsweise Agar-Agar, Gelatine und ähnliches. Künstliche Stoffe dieser Art sind vernetzte oder teilvernetzte Cellulose-Derivate, sulfonierte Polystyrole, Polyacrylate und ähnliche Stoffe.With the term "swelling substances" are natural in the present case or artificially produced substances that increase their volume when they absorb water and thereby chemically and / or physically bind the absorbed water. Such natural substances are, for example, agar-agar, gelatine and the like. Artificial Substances of this type are crosslinked or partially crosslinked cellulose derivatives, sulfonated Polystyrenes, polyacrylates and similar substances.

Fig. 1 der Zeichnung läßt erkennen, daß zusätzliche Durchbrechungen 5 des Saugkissens auch noch an den Schmalseiten 11 -und 12 angeordnet sind. Diese Durchbrechungen sind genauso aufgebaut wie die zuvor erwähnten; ein Unterschied besteht lediglich in ihrem Verlauf, da deren Längsachsen quer zur Längsachse der Windel gerichtet sind. Die an den Schmalseiten angeordneten zuletzt genannten Durchbrechungen haben den Zweck, die Flüssigkeitsausbreitung in Windellängsrichtung an den Enden der Windeln zum Stillstand zu bringen.Fig. 1 of the drawing shows that additional openings 5 of the suction pad are also arranged on the narrow sides 11 and 12. These Breakthroughs are constructed in the same way as those mentioned above; a difference exists only in their course, since their longitudinal axes are transverse to the longitudinal axis of the Diaper are directed. The last-mentioned openings arranged on the narrow sides have the purpose of the liquid spreading in the longitudinal direction of the diaper at the ends to bring the diapers to a standstill.

In Fig. 1 der Zeichnung sind desweiteren noch Faltlinien 13 eingezeichne, welche in Längsrichtung der Windel verlaufen. Diese Faltlinien sind lediglich bei dem dargestellten besonderen Ausführungsbeispiel vorhanden; sie sind für die Erfindung weder typisch noch begrenzend.In Fig. 1 of the drawing, folding lines 13 are also drawn, which run in the longitudinal direction of the diaper. These fold lines are only at the particular embodiment shown present; they are for invention neither typical nor limiting.

Bezugszeichenliste 1 = Saugkissen 2 = flüssigkeitsdurchlässige Folie 3 = flüssigkeitsundurchlässige Folie 4 = Saugschicht 5 = Durchbrechungen 6 = Längsrandbereich 7 = Längsrandbereich 8 = linienförmige Durchbrechung 9 = diskrete Durchbrechungen 10 = Flockenfeld 11 = Schmalseite 12 = Schmalseite 13 = Faltlinien LIST OF REFERENCE SYMBOLS 1 = absorbent pad 2 = liquid-permeable film 3 = liquid-impermeable film 4 = absorbent layer 5 = perforations 6 = longitudinal edge area 7 = longitudinal edge area 8 = linear opening 9 = discrete openings 10 = flake field 11 = narrow side 12 = narrow side 13 = fold lines

Claims (5)

Patentansprüche 1. Saugkissen für hygienische Zellstofferzeugnisse, wie Windeln, Krankenunterlagen, Inkontinentenhilfen und dergl. mit einer bei Gebrauch dem Körper zugewandten flüssigkeitsdurchlässigen Folie (2), einer bei Gebrauch vom Körper abgewandten flüssigkeitsundurchlässigen Folie (3) und wenigstens einer dazwischen angeordneten Saugschicht (4), in der sich die gesamte Saugschicht durchsetzende Durchbrechungen (5) befinden. Claims 1. absorbent pads for hygienic pulp products, such as diapers, medical pads, incontinent aids and the like. With one in use the body facing liquid-permeable film (2), one when in use from Body facing away from the liquid-impermeable film (3) and at least one in between arranged absorbent layer (4), in which the entire absorbent layer penetrates Openings (5) are located. dadurch gekennzeichnet, daß die beiden Abdeckfolien (2;3) durch die Durchbrechungen (5) hindurch miteinander verbunden sind. characterized in that the two cover films (2; 3) by the Openings (5) are connected to one another. 2. Saugkissen nach Anspruch 1, dadurch gekennzeichnet, daß die Durchbrechungen (5) länglich und ihre Längsachsen in Längsrichtung des Saugkissens angeordnet sind.2. absorbent pad according to claim 1, characterized in that the openings (5) are elongated and their longitudinal axes are arranged in the longitudinal direction of the suction pad. 3. Saugkissen nach Anspruch 1 und/oder 2, dadurch gekennzeichnet, daß in den beiden Längs-Randbereichen (6;7) jeweils wenigstens eine linienförmige Durchbrechung (8) oder mehrere diskrete zusammen eine Reihe bildende Durchbrechungen (9) angeordnet sind, durch die die Abdeckfolien (2;3) miteinander verbunden sind, wobei die Linien (8) oder Reihen zur Saugkissenmitte konvergierend verlaufen.3. absorbent pad according to claim 1 and / or 2, characterized in that that in each of the two longitudinal edge regions (6; 7) at least one linear Opening (8) or several discrete openings together forming a row (9) are arranged through which the cover films (2; 3) are connected to one another, the lines (8) or rows converging towards the center of the suction pad. 4. Saugkissen nach Anspruch 3, dadurch gekennzeichnet, daß in jedem Längs-Randbereich (6'7) des Saugkissens zwei mit Abstand verlaufende linienförmige Durchbrechungen (8) oder Reihen angeordnet sind, zwischen denen sich jeweils ein durchgehendes Flockenfeld (10) befindet.4. absorbent pad according to claim 3, characterized in that in each Longitudinal edge area (6'7) of the suction pad has two spaced linear lines Openings (8) or rows are arranged, between which there is a continuous flake field (10) is located. 5. Saugkissen nach Anspruch 4, dadurch gekennzeichnet, daß die Flockenfelder (10) Quellstoffe enthalten.5. absorbent pad according to claim 4, characterized in that the flake fields (10) Contain swelling substances.
DE19823205931 1982-02-19 1982-02-19 Absorbent pads for hygienic pulp products Expired DE3205931C2 (en)

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EP0758543A1 (en) * 1995-08-15 1997-02-19 Uni-Charm Corporation Disposable absorbent article
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US6319239B1 (en) 1996-12-20 2001-11-20 The Procter & Gamble Company Absorbent article having improved integrity and acquisition
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US4788972A (en) * 1987-06-26 1988-12-06 Deroyal Industries, Inc. Padding for an orthopedic support device
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EP1184018A3 (en) * 2000-09-04 2004-09-08 Uni-Charm Corporation Topsheet comprising continuous filaments for absorbent articles
EP1184018A2 (en) * 2000-09-04 2002-03-06 Uni-Charm Corporation Topsheet comprising continuous filaments for absorbent articles
WO2002065962A2 (en) * 2001-02-20 2002-08-29 Tyco Healthcare Retail Services, Ag Thong pantiliner with improved wicking characteristics
WO2002065962A3 (en) * 2001-02-20 2003-05-01 Tyco Healthcare Retail Serv Ag Thong pantiliner with improved wicking characteristics
EP1827336B2 (en) † 2004-11-30 2016-08-17 SCA Hygiene Products AB Absorbent article
JP2008142272A (en) * 2006-12-08 2008-06-26 Kao Corp Disposable diaper
CN106974775A (en) * 2011-06-10 2017-07-25 宝洁公司 Absorbing structure for absorbent article
EP3338750A1 (en) * 2011-06-10 2018-06-27 The Procter & Gamble Company Absorbent structure for absorbent articles
US11911250B2 (en) 2011-06-10 2024-02-27 The Procter & Gamble Company Absorbent structure for absorbent articles
US11602467B2 (en) 2011-06-10 2023-03-14 The Procter & Gamble Company Absorbent structure for absorbent articles
CN106974775B (en) * 2011-06-10 2020-04-10 宝洁公司 Absorbent structure for absorbent article
WO2012170778A1 (en) * 2011-06-10 2012-12-13 The Procter & Gamble Company Absorbent structure for absorbent articles
EP3111903A1 (en) * 2011-06-10 2017-01-04 The Procter and Gamble Company Absorbent structure for absorbent articles
RU2605066C1 (en) * 2012-12-10 2016-12-20 Дзе Проктер Энд Гэмбл Компани Absorbent products containing channels
RU2637889C2 (en) * 2012-12-10 2017-12-07 Дзе Проктер Энд Гэмбл Компани Absorbing products containing channels
RU2637983C2 (en) * 2012-12-10 2017-12-08 Дзе Проктер Энд Гэмбл Компани Absorbing products containing pockets
WO2014093129A1 (en) * 2012-12-10 2014-06-19 The Procter & Gamble Company Absorbent articles with pockets
WO2014093128A1 (en) * 2012-12-10 2014-06-19 The Procter & Gamble Company Absorbent articles with channels
CN104853704A (en) * 2012-12-10 2015-08-19 宝洁公司 Absorbent articles with channels
WO2014093130A1 (en) * 2012-12-10 2014-06-19 The Procter & Gamble Company Absorbent articles with channels

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