WO2006068563A1 - Article absorbant - Google Patents

Article absorbant Download PDF

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Publication number
WO2006068563A1
WO2006068563A1 PCT/SE2004/002001 SE2004002001W WO2006068563A1 WO 2006068563 A1 WO2006068563 A1 WO 2006068563A1 SE 2004002001 W SE2004002001 W SE 2004002001W WO 2006068563 A1 WO2006068563 A1 WO 2006068563A1
Authority
WO
WIPO (PCT)
Prior art keywords
fastener
absorbent article
front portion
pair
article according
Prior art date
Application number
PCT/SE2004/002001
Other languages
English (en)
Inventor
Kent Vartiainen
Original Assignee
Sca Hygiene Products Ab
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 Sca Hygiene Products Ab filed Critical Sca Hygiene Products Ab
Priority to PCT/SE2004/002001 priority Critical patent/WO2006068563A1/fr
Publication of WO2006068563A1 publication Critical patent/WO2006068563A1/fr

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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
    • A61F13/56—Supporting or fastening means
    • A61F13/64—Straps, belts, ties or endless bands
    • 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
    • A61F13/5622—Supporting or fastening means specially adapted for diapers or the like
    • 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
    • A61F13/62—Mechanical fastening means, ; Fabric strip fastener elements, e.g. hook and loop
    • A61F13/622—Fabric strip fastener elements, e.g. hook and loop

Definitions

  • the present invention relates to an absorbent article such as a diaper and an incontinence guard comprising a liquid permeable top sheet, a liquid impermeable back sheet and an absorbent body enclosed there between, wherein the article having a front portion, a rear portion and a crotch portion there between, and further is provided with a pair of belt portions attached to the rear portion, alternatively the front portion of the article and which are intended to be fastened together around the waist of the wearer by means of the first fastening means and where said front portion, alternatively the rear portion, is provided with attachment means intended to be attached to the belt portions, in such a way that the article will assume a pant like shape, where the belt portions form a part of the waist portions of the pant.
  • Diapers and incontinence guards usually exhibit a garment portion holding an absorbent body in place against the user's body and attachment means, which hold the garment portion in place also when the user is moving.
  • a common type of attachment means are adhesive tapes or hook and loop fasteners of the touch-and-close type, which directly attach the front and rear portions of the absorbent article to each other. It is further known to attach the front and rear portions of the article by means of a belt, wherein the possibilities to adjust the fit are improved.
  • a conventional diaper for children is in general applied having the child in a lying position.
  • the attachment means are usually arranged on the rear portion and are attached to the front portion.
  • This kind of application often requires the aid from another person.
  • On a common type of belt diaper the belt portions are therefore first attached around the waist.
  • the incontinence guard is fixed around the waist in this way, the user may reach after the rest of the incontinence guard between the legs and then the crotch portion of the incontinence guard is applied in the correct position by fastening the front portion of the diaper to the outside of the belt portions using hook and loop fasteners or tape tabs being arranged on the font portion and/or the belt portion.
  • This design makes also possible for nursing personnel to apply the diaper on a standing person or for the user to apply the diaper on himself/herself in a standing position.
  • fastening arrangements may come into contact with or chafe the skin of a wearer. This is a particular problem when removing an incontinence guard from an adult wearer who is lying down. In such cases, the wearer is as a rule rolled over on his or her side, whereby the fastener arrangements may be opened. The lower fastener arrangement is subsequently pulled clear from under the wearer. This means that the part of the fastener arrangement facing the wearer may cause chafing when pulled along the exposed skin.
  • the object of the present invention is to provide an absorbent article, such as a diaper or incontinence guard that facilitates removal from a wearer while said wearer is in a reclining or recumbent position.
  • This object is achieved by providing fastener arrangements on said article with protective covers which are deployed during the process of separation and removal of the said fastener arrangements.
  • the invention is preferably, but not necessarily, aimed at absorbent articles of the above types being provided with at least two fastener arrangements. Said fastener arrangements may be attached on either side of the article, or in spaced apart pairs in order to connect the front or rear of the article.
  • the invention is preferably, but not necessarily, related to an absorbent article comprising a liquid permeable top sheet, a back sheet, and an absorbent body enclosed there between.
  • the back sheet may be either liquid permeable or liquid impermeable.
  • the absorbent article further comprises a front portion, a rear portion and a crotch portion there between, as well as a pair of belt portions attached to the front or rear portion and which are fastenable together around a waist of a wearer.
  • the belt portions may be either elastic or inelastic.
  • the article may be provided with at least one pair of fastener arrangements located on each of said pair of belt portions. A pair of first fastener arrangements is connectable to the front portion in such a way that the article will assume a pant like shape, and that said pair of belt portions form a part of a waist portion of the article.
  • the first fastener arrangements are connectable directly to the outer surface of the back sheet of the front portion.
  • a pair of second fastener arrangements may be located on either side of said front portion.
  • the second fastener arrangements are connectable to the first fastener arrangements pair of said belt portions.
  • the part of the fastener arrangements facing the wearer may have a surface that is provided with a deployabie protective cover, which cover is deployable over the said surface when said at least one fastener arrangement is separated from the front portion and subjected to a force substantially in the direction of said surface in order to pull an associated belt portion or similar under the wearer. This occurs when the article is to be removed from the wearer, whereby at least a belt portion is gripped and pulled in a direction substantially parallel to the general direction of the contacting surfaces of the first fastener arrangement and the front portion where they are in contact with or shaped by the wearer.
  • the protective cover may be attached to the belt portion at one end and to the front portion at its opposite, second end when the fastener arrangements are connected to the front portion.
  • the protective cover is fixedly attached to the belt portion.
  • the protective cover may be releasably attached to the front portion.
  • the protective cover is attached to the front portion by a releasable adhesive.
  • the releasable adhesive is preferably, but not necessarily, a heat activated or pressure sensitive adhesive.
  • Adhesive compositions of this type may be tacky within a predetermined, first temperature range and will strongly bond an article to a substrate within a given, second temperature range, but may be substantially non-tacky at temperatures outside either range.
  • an adhesive composition may contain a polymeric pressure-sensitive adhesive component and a crystalline polymer which defines a temperature range within which the composition as a whole is tacky.
  • one end of the protective cover may be attached by means of a hook-and-loop type attachment means. This may be achieved by providing the end of the cover to be attached with a hook-type fastening material that can be attached directly onto the surface of the outer back sheet of the front portion. The fibrous material in said back sheet will then act as a co-operating loop-type fastening material for the end of the protective cover.
  • one end of the protective cover may cause the cover to deploy due to friction between the second end of the protective cover and the front portion.
  • the attachment means for the protective cover such as a releasable adhesive or a hook means, will cause the second end of the protective cover to attach itself to the front portion.
  • a force is applied to release the first fastener arrangements from the front portion, as described above.
  • deployment of the protective cover is simultaneously initiated.
  • the protective cover is fully deployed as the belt portion is pulled free. The end of the protective cover attached to the front portion will release, while the fastener arrangement on the belt portion remains protected by the cover as it is pulled from under the wearer.
  • the protective cover is attachable to the belt portion at one end and releasably attached to the front portion at its opposite end when the fastener arrangements are assembled.
  • the protective cover is attachable to the belt portion by a suitable adhesive.
  • the adhesive is preferably, but not necessarily, a heat activated or pressure sensitive adhesive.
  • the second end of the protective cover is fixedly attached to the front portion, but is provided with a perforated frangible section that allows the protective cover to tear and be released from the second end and the front portion once it has been fully deployed.
  • Suitable adhesives for this purpose may be heat activated or pressure sensitive adhesives of the type described above.
  • the adhesive When the fastener arrangements are connected to the front portion, the adhesive will cause the first end of the protective cover to attach itself to the belt portion.
  • the protective cover remains attached to the belt portion during the separation and will be pulled out in front of the respective first fastener arrangement. Once the protective cover is fully deployed to cover the first fastener arrangement, the frangible section at the second end of the protective cover tears and releases the cover from the front portion.
  • the protective cover is attached to the front portion by means of a relatively weak, frangible connection or by friction. This may be achieved by, for instance, inserting a length of material underneath the fastener arrangement located on the front portion. By attaching said fastener arrangement to the absorbent article by means of a pair of parallel welds along the edges of said fastener, the protective cover may be inserted between the parallel welds.
  • the releasable adhesive will cause the first end of the protective cover to attach itself to the belt portion.
  • the protective cover remains attached to the belt portion during the separation and will be pulled out from under the second fastener arrangement to cover the first fastener arrangement.
  • the heat activated adhesive may be activated at a temperature exceeding, for instance, 28 0 C.
  • the heat activated adhesive is activated at or near the body temperature of the wearer.
  • the insulating properties of the absorbent article may influence the choice of adhesive.
  • One requirement may be that the heat given off by the wearer must be sufficient to activate the adhesive.
  • Further requirements may be that the adhesive should have properties which ensures that the adhesive coated surface is not tacky at room temperature. This allows the fastener arrangement to be handled while preventing the adhesive from being activated before the fastener arrangements are assembled.
  • the protective cover When fully deployed, the protective cover may preferably, but not necessarily, have a length equal to or longer than the fastener arrangement to be covered. Similarly, the width may preferably, but not necessarily, be equal to or larger than the fastener arrangement to be covered.
  • the said cover may be made from any suitable material, such as a suitable tissue, plastic film or a non-woven. The material should have a tear strength that is sufficient to allow it to be deployed over the fastener arrangement and pulled underneath a wearer while in contact with the skin of said wearer without tearing.
  • the invention further relates to a fastener assembly for attaching a first surface to a second surface, which fastener assembly comprises a first fastener arrangement located on said first surface, and a second fastener arrangement located on said second surface, and being connectable to said first fastener arrangement.
  • the first fastener arrangement facing the second surface may have a surface that is provided with a deployable protective cover, which cover is deployable over the said surface when a pair of assembled first and second fastener arrangement are subjected to a force substantially in the direction of said surface in order to separate the assembled fastener arrangements.
  • a fastener assembly of this type may be used not only for absorbent articles, such as a diapers or incontinence guards, but for all types of sanitary articles, single or assembled webs or layered products and similar arrangements, which may be assembled during use and separated after use.
  • the first and second fastener arrangements are preferably, but not necessarily, provided with hook-and loop-type filamentary material.
  • One example of such a material is manufactured under the name Velcro ®.
  • the first and second fastener arrangements may be provided with other types of fastener means, such as a pressure sensitive adhesive.
  • Figure 1 shows a schematic drawing of an absorbent article provided with fastener arrangements according to the invention.
  • Figure 2A-D shows a fastener arrangement according to a first embodiment of the invention.
  • Figure 3A-C shows a fastener arrangement according to a second embodiment of the invention.
  • Figure 4A-C shows a fastener arrangement according to a third embodiment of the invention.
  • Figure 5A-B shows a fastener arrangement according to a fourth embodiment of the invention.
  • FIG. 1 shows a schematic drawing of an absorbent article 1 provided with fastener arrangements according to the invention.
  • the absorbent article 1 comprising a liquid permeable top sheet, a liquid impermeable back sheet, and an absorbent body enclosed (indicated with dashed lines) there between. These parts are standard components used in absorbent articles of this type and as such they will not be described in further detail.
  • the absorbent article 1 further comprises a front portion 2, a rear portion 3 and a crotch portion 4 there between, as well as a pair of belt portions 5a, 5b attached to the rear portion 3 and which are fastenable together around a waist of a wearer.
  • the belt portions may be either elastic or inelastic.
  • the article In order to fasten the article around a waist of a wearer, the article is be provided with a pair of first fastener arrangements 6a, 6b located on each of said pair of belt portions 5a, 5b with a first end, or gripping tab, extending a short distance from the end of each belt portion 5a, 5b.
  • a pair of second fastener arrangements 7a, 7b (indicated by dashed lines) located on either side of said front portion 2.
  • the second fastener arrangements 7a, 7b are connectable to said first fastener arrangements 6a, 6b on the pair of belt portions 5a, 5b in such a way that the article will assume a pant like shape, and that said pair of belt portions form a part of a waist portion of the absorbent article 1.
  • the first and second fastener arrangements 6a, 6b; 7a, 7b comprise a hook-and loop-type filamentary material.
  • the first and second fastener arrangements comprise elongated strips of material extending in the general direction of the belt portions, when the belt portions are fastened around the wearer. The length of each such strip is selected with respect to the size of the absorbent article, while allowing for a limited amount of adjustment when attaching the fasteners around the wearer.
  • first fastener arrangements 6a, 6b are optional.
  • first fastener arrangements 6a, 6b with a hook-type material, it is possible to use the outer surface of the back-sheet on the front portion as a co-operating loop-type material.
  • the first fastener arrangements 6a, 6b can then be attached directly onto any desired position on the front portion of the absorbent article.
  • the fastener arrangements facing the wearer in this case the first fastener arrangements 6a, 6b, have an upper surface that is provided with a deployable protective cover 8a, 8b.
  • the said cover is attached adjacent the second, or inner end of each first fastener arrangement 6a, 6b.
  • Each respective cover 8a, 8b is deployable over the said surface when a pair of assembled first and second fastener arrangements 6a, 6b; 7a, 7b is subjected to a force substantially parallel to the direction of said surface after separation of the assembled fastener arrangements. This occurs when the article is to be removed from the wearer.
  • a first belt portion is exposed and can be separated from the front portion.
  • the second belt portion is gripped and pulled to separate it from the fastener arrangement from the front portion.
  • the second belt must then be pulled underneath the wearer, whereby the deployed cover prevents the surface of the fastener arrangement, provided with hooks or loops, from contacting the skin of the wearer.
  • FIG. 2A shows a fastener arrangement according to a first embodiment of the invention.
  • the relative thicknesses of the component parts are not drawn to scale for reasons of clarity.
  • the protective covers for the fastener arrangements described are provided on both sides of the article, although only one side is described in the examples below.
  • the belt portion 5a with its first fastener arrangement 6a is assembled with the front portion 2 and its second fastener arrangement 7a.
  • a deployable cover 8a is permanently attached to the belt portion 5a at a first end 10 by means of a suitable adhesive.
  • the cover 8a further comprises a strip 11 of material folded in a zig-zag configuration, which strip has a width and length exceeding the width and length of the first fastener arrangement 6a when deployed.
  • the strip comprises a plastic film having a thickness of 40 ⁇ m.
  • second end 12 the surface of the cover 8a that is exposed to the front portion 2 is provided with an adhesive.
  • This adhesive is heat activated and will attach the second end 12 of the strip 11 to the front portion 2 when exposed to the body temperature of the wearer over a period of time.
  • the activation temperature of the heat activated adhesive used is selected in the range 28- 37°C.
  • Figure 2B shows the assembled fastener arrangements as the first fastener arrangement 6a has been separated from the second fastener arrangement 7a and is being pulled in the direction A.
  • the strip 11 being attached to the first belt portion 5a, is partially deployed over the exposed surface of the first fastener arrangement 6a facing the wearer (not shown).
  • Figure 2C shows the strip 11 fully deployed over the first fastener arrangement 6a.
  • the adhesive coated surface of the second end 12 will peel away from the front portion 2.
  • the bonding strength of the heat activated adhesive at the second end 12 must be lower than the corresponding strength of the permanent bond between the first end 10 and the belt portion 5a.
  • the belt portion 5a can then be pulled under the recumbent wearer, allowing the absorbent article to be removed.
  • Figure 2D shows a fastener arrangement according to an alternative first embodiment of the invention.
  • the fastener arrangement shown in this figure is substantially identical to that of Figure 2A, differing only in that the second fastener arrangement 7a is not present.
  • the first fastener arrangement 6a is attached directly onto the outer surface 2' of the front portion 2. Consequently, the first fastener arrangement 6a must be separated from the front portion 2 before the cover 8a can be deployed.
  • the function of the cover 8a is the same as described in relation to Figures 2A-2C.
  • FIG. 3A shows a fastener arrangement according to a second embodiment of the invention.
  • the belt portion 5a with its first fastener arrangement 6a is assembled with the front portion 2 and its second fastener arrangement 7a.
  • a deployable cover 8a is attached to the front portion 2 at a first end 13 by means of a suitable adhesive.
  • the cover 8a further comprises a strip 14 of material folded in a zig-zag configuration and having a width and length exceeding the width and length of the first fastener arrangement 6a when deployed.
  • second end 15 the surface of the cover 8a that is exposed to the belt portion 5a is provided with an adhesive.
  • This adhesive is heat activated and will attach the second end 15 of the strip 14 to the belt portion 5a when exposed to the body temperature of the wearer over a period of time.
  • the first fastener arrangement 6a must be separated from the second fastener arrangement 7a to allow the cover to be deployed and the absorbent article to be removed.
  • Figure 3B shows the strip 14 fully deployed over the first fastener arrangement 6a.
  • a perforated line 16 adjacent the adhesive coated first end 13 will tear and release the strip 14 from the front portion 2.
  • the bonding strength of the heat activated adhesive at the second end 12 must be higher than the tear strength of the perforated line 16 adjacent the first end 13.
  • the belt portion 5a can then be pulled under the recumbent wearer, allowing the absorbent article to be removed.
  • the first end 13 can be arranged to peel away from the front portion 2, similar to the first embodiment as shown in Figure 2C.
  • the bonding strength of the heat activated adhesive at the second end 15 must be higher than the corresponding strength of the adhesive bond between the first end 13 and the front portion 2.
  • Figure 3C shows a fastener arrangement according to an alternative second embodiment of the invention.
  • the fastener arrangement shown in this figure is substantially identical to that of Figure 3A, differing only in that the second fastener arrangement 7a is not present.
  • the first fastener arrangement 6a is attached directly onto the outer surface 2' of the front portion 2. Consequently, the first fastener arrangement 6a must be separated from the front portion 2 before the cover 8a can be deployed.
  • the function of the cover 8a is the same as described in relation to Figure 3A and 3B.
  • FIG 4A shows a fastener arrangement according to a third embodiment of the invention.
  • the belt portion 5a with its first fastener arrangement 6a is assembled with the front portion 2 and its second fastener arrangement 7a.
  • the second fastener arrangement 7a is attached along its longitudinal side edges, as described in connection with Figure 4C below.
  • a deployable cover 17 comprises an elongated strip 18 of material that has a first end located under the second fastener arrangement 7a, between the side edges thereof.
  • the deployable cover 17 is retained on the front portion 2 by means of friction between the strip 18 and the second fastener arrangement 7a.
  • additional retaining means such as a suitable adhesive, can be used to retain the cover 17 in position until its deployment.
  • An opposite, second end 19 of the cover 17 is further attachable to the belt portion 5a by means of a suitable adhesive.
  • This adhesive is heat activated and will attach the second end 19 of the strip 18 to the belt portion 5a when exposed to the body temperature of the wearer over a period of time.
  • the first fastener arrangement 6a must be separated from the second fastener arrangement 7a to allow the cover to be deployed and the absorbent article to be removed.
  • Figure 4B shows the assembled fastener arrangements as the first fastener arrangement 6a has been separated from the second fastener arrangement 7a and is being pulled in the direction A.
  • the strip 18, being attached to the first belt portion 5a, is partially pulled out from under the second fastener arrangement 7a for deployment over the exposed surface of the first fastener arrangement 6a facing the wearer (not shown).
  • Figure 4C shows a perspective view of the second fastener arrangement 7a and its associated cover 17.
  • the figure indicates a partial area of the front portion 2 and shows the extension of the strip 18 under the second fastener arrangement 7a, between a pair of parallel welds 20, 21 attaching said fastener 7a to the front portion 2.
  • the length of the strip 18 exceeds the length of at least the first fastener arrangement 6a in order to ensure that the first fastener arrangement 6a is covered after deployment.
  • FIG. 5A shows a fastener arrangement according to a fourth embodiment of the invention.
  • the belt portion 5a with its first fastener arrangement 6a is attached directly onto the surface of the front portion 2.
  • a deployable cover 8a is permanently attached to the belt portion 5a at a first end 22 by means of a suitable adhesive.
  • the cover 8a further comprises a strip 23 of material folded in a zig-zag configuration, which strip has a width and length exceeding the width and length of the first fastener arrangement 6a when deployed.
  • second end 24 the surface of the cover 8a that is exposed to the front portion 2 is provided with an area having predetermined surface friction characteristics.
  • the friction forces must cause the protective cover 8a to deploy, without causing chafing while the second end 24 of the cover is in contact with the skin of the wearer.
  • the desired surface friction characteristics can be achieved by material selection or by a suitable surface treatment, such as coating or mechanical working.
  • the protective cover 8a is arranged to be deployed so that the friction forces retains the second end 24 of the cover 8a in contact with the front portion 2 until the folded strip 23 is substantially fully deployed over the first fastener arrangement 6a.
  • the second end 24 is folded over, so that said end of the cover having an area of relatively high surface friction is facing the first fastener arrangement 6a as it is being pulled from under a wearer.
  • FIG 5B shows the assembled fastener arrangements as the first fastener arrangement 6a has been separated from the second fastener arrangement 7a and is being pulled in the direction A.
  • the strip 23, being attached to the first belt portion 5a, is partially extended for deployment over the exposed surface of the first fastener arrangement 6a facing the wearer (not shown).
  • the second end 24 of the cover 8a, being attached to the belt portion 5a is retained by friction and causes the protective cover 8a to be deployed.
  • the front portion 2 and the belt portion 5a are drawn at a distance from each other for reasons of clarity.
  • the belt portion 5a would initially be separated from the front portion 2 and subsequently be pulled along the upper surface of said front portion during deployment of the protective cover 8a.
  • the second end 24 can either be retained in its original position xi or be displaced along the upper surface of the front portion 2, as indicated by the position X 2 when approximately half the cover 8a has been deployed.
  • the displaced distance is dependent on a number of factors, such as the coefficient of friction between the front portion 2 and the second end 24 of the cover, the weight of the wearer and the speed and force applied to the belt portion 5a during removal thereof.
  • the adhesive used for permanent or temporary attachment of the cover to a surface has been given as a heat activated adhesive.
  • pressure sensitive adhesives it is also possible to use pressure sensitive adhesives.
  • Hook-loop type materials may also be used where applicable.
  • the materials used for the protective cover may be made from any suitable material, such as a suitable tissue, plastic film or a non-woven. Examples of properties for non-woven or plastic film materials are listed in Table 1 below.
  • MD Machine Direction
  • CD Cross Direction
  • Measurement of the tensile strength can be carried out by a number of suitable methods, such as EN 12625-4 for tissue, Edana 20.2-89 for non- woven materials or 18-41-06 ASTMD 82 for plastic film in the cases described here.
  • the caliper In the case of non-woven materials, the caliper, or thickness is not given. For this group of materials the surface weight in g/m 2 will indirectly give the caliper.
  • Table 2 Examples of properties for suitable tissue materials are listed in Table 2. In this table, measurements for dry and wet tensile strength are given in two directions, as described above. Table 2
  • each cover can be made as a unit that is attached at a predetermined location on an absorbent article.
  • Such a unit can be held together by frangible means or a suitable adhesive bond, e.g. holding the edges of a folded or pleated strip of material together.
  • Said means or bond is strong enough to hold the unit together during manufacture and assembly of the article, as well as during handling of the finished article.

Abstract

L'invention concerne un article absorbant qui comporte une portion avant, une portion arrière et une portion d'entrejambes entre les deux, une paire de portions de ceinture attachées à la portion arrière et qui s'attachent ensemble autour de la taille d'un porteur, une paire d'une première disposition d'attaches située sur chacune de ladite paire de portions de ceinture, et une paire d'une deuxième disposition d'attaches située de part et d'autre de ladite portion avant pouvant être reliée à ladite première paire de disposition d'attaches de portions de ceinture, de sorte que l'article prend une forme similaire à celle d'un pantalon, et que ladite paire de portions de ceinture forme une partie de la portion de taille de l'article. La disposition d'attaches faisant face au porteur a une surface qui comporte une enveloppe de protection pouvant être déployée, enveloppe pouvant être déployée sur ladite surface quand une paire des première et deuxième dispositions d'attaches assemblées est soumise à une force sensiblement dans la direction de ladite surface afin de séparer les dispositions d'attaches assemblées. L'invention concerne en outre un assemblage d'attaches pour attacher une première surface à une deuxième surface.
PCT/SE2004/002001 2004-12-23 2004-12-23 Article absorbant WO2006068563A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/SE2004/002001 WO2006068563A1 (fr) 2004-12-23 2004-12-23 Article absorbant

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WO2006068563A1 true WO2006068563A1 (fr) 2006-06-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8430858B2 (en) 2007-05-31 2013-04-30 Sca Hygiene Products Ab Convertible absorbent article

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5392498A (en) * 1992-12-10 1995-02-28 The Proctor & Gamble Company Non-abrasive skin friendly mechanical fastening system
US20020023321A1 (en) * 2000-03-14 2002-02-28 William Clune Folded fastener products
WO2002022061A1 (fr) * 2000-09-13 2002-03-21 Sca Hygiene Products Ab Dispositif de fixation d'un article absorbant

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US5392498A (en) * 1992-12-10 1995-02-28 The Proctor & Gamble Company Non-abrasive skin friendly mechanical fastening system
US20020023321A1 (en) * 2000-03-14 2002-02-28 William Clune Folded fastener products
WO2002022061A1 (fr) * 2000-09-13 2002-03-21 Sca Hygiene Products Ab Dispositif de fixation d'un article absorbant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8430858B2 (en) 2007-05-31 2013-04-30 Sca Hygiene Products Ab Convertible absorbent article
US8992496B2 (en) 2007-05-31 2015-03-31 Sca Hygiene Products Ab Convertible absorbent article

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