EP1131257B2 - Conteneur de distribution - Google Patents

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Publication number
EP1131257B2
EP1131257B2 EP99962761A EP99962761A EP1131257B2 EP 1131257 B2 EP1131257 B2 EP 1131257B2 EP 99962761 A EP99962761 A EP 99962761A EP 99962761 A EP99962761 A EP 99962761A EP 1131257 B2 EP1131257 B2 EP 1131257B2
Authority
EP
European Patent Office
Prior art keywords
wipes
wipe
substrate
container
wet
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.)
Expired - Lifetime
Application number
EP99962761A
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German (de)
English (en)
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EP1131257B1 (fr
EP1131257A1 (fr
Inventor
Maria Alegre De Miquel
Northild Busch
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.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
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Publication date
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Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Priority to EP99962761A priority Critical patent/EP1131257B2/fr
Publication of EP1131257A1 publication Critical patent/EP1131257A1/fr
Publication of EP1131257B1 publication Critical patent/EP1131257B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/08—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession
    • B65D83/0894—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession the articles being positioned relative to one another or to the container in a special way, e.g. for facilitating dispensing, without additional support
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet-paper
    • A47K10/42—Dispensers for paper towels or toilet-paper dispensing from a store of single sheets, e.g. stacked
    • A47K10/421—Dispensers for paper towels or toilet-paper dispensing from a store of single sheets, e.g. stacked dispensing from the top of the dispenser
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/08—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession
    • B65D83/0805—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture in a wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/24—Interfolding sheets, e.g. cigarette or toilet papers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet-paper
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet-paper
    • A47K10/42—Dispensers for paper towels or toilet-paper dispensing from a store of single sheets, e.g. stacked
    • A47K2010/428—Details of the folds or interfolds of the sheets

Definitions

  • the present invention relates to a dispensing system for wet wipes comprising a container and a stack of wet wipes therein which deliver an improved pop-up dispensing of an individual wipe from the wet wipe stack.
  • Wet wipes are typically premoistened, disposable towelettes which may be utilised in a variety of applications both domestic and industrial and perform a variety of functions.
  • Wet wipes are typically used to wipe surfaces both animate and inanimate, and may provide numerous benefits such as cleaning, cleansing, disinfecting, and skin care benefits.
  • Wipes are also commonly used for human cleansing and wiping in general such as anal, perineal and genital cleansing and face and hand cleansing for example as intimate hygiene wipes such as feminine wet wipes.
  • Wet wipes may also be used for application of substances to the body including removing and applying of make-up, skin conditioners and medications.
  • Another application of wipes is during diaper changes and also for the treatment of adult and baby dermatitis partly caused by the use of diapers and incontinence devices.
  • wet wipes are also applicable for wiping and or cleaning other surfaces or for the application of compositions to surfaces, for example kitchen and bathroom surfaces, eyeglasses, shoes and surfaces which require cleaning in industry for example surfaces of machinery or automobiles.
  • Wet wipes also include articles used for the cleaning or grooming of pets.
  • wet wipes are commonly provided as a structure of a combination of synthetic and natural fibres, such as polyolefin fibres, viscose fibres and cotton fibres, which are generally moistened with an aqueous composition which contains amongst others surfactants, preservatives, oils and scents.
  • the wipes are then typically packaged in a container in order to facilitate easy transport and storage.
  • multi wipe containers There are two basic types of containers for such wet wipes namely, multi wipe containers and single wipe packages.
  • a flexible or rigid moisture impervious container is utilised, the wipes being folded and stacked in such an arrangement therein, so that a single wipe is exposed to and removed by a consumer at one time.
  • These containers have a tub like configuration or a flexible rectangular package, both of which are typically resealable after opening.
  • a problem with the current wet wipes products is the lack of easy, single wipe dispensation from the wet wipe stack and or the container. This problem is particularly acute in circumstances of use such as when a consumer is holding a baby during a diaper change. Under such conditions the consumer readily needs to be able to pick up and separate one wipe from the container and the stack which is unfolded, using only one hand and without the wipe container being raised from the surface on which it is placed during the removal action. This however is not achieved satisfactorily with current products.
  • wet wipes are typically folded and either placed one on top of the other or interleaved with an adjacent wipe and placed one on top of another to form a stack.
  • the exact location of the leading edge of the upper most wipe of current stacks is however not easily identifiable, either visually or tacitly. This is because the substrate material of the wipe is typically homogeneous and thus the leading edge of the wipe, particularly when folded, cannot be distinguished from the wipe substrate material on which it rests.
  • the leading edge portion of the wipe also has a tendency to adhere to the underlying wipe substrate material on which it rests. Hence even tactile identification of the edge by running or dragging of the fingers across the wipe surface does not immediately result in the identification of the location of the edge.
  • leading edge Once the leading edge has been located, it is difficult for the consumer to grasp hold of sufficient substrate material and maintain grasp thereof, in order to separate a single wipe from the stack upon which it rests. The consumer often is only able to grasp a small portion of the leading edge such that a tight grip thereof is not established and hence the wipe easily slips from the fingers of the consumer.
  • the adjacent wipe is also at least partially separated from the stack.
  • the consumer is required not only to unfold the wipe before commencing with the desired application of the wipe but also, to separated it from the adjacent wipe in the stack and returned this wipe to the stack in the container. This is obviously particularly inconvenient to consumers utilising baby wipes during diaper changes.
  • EP 747 313 proposes a means to address this problem and discloses a multiple folded paper, such as wetted tissue paper, for continuous disposal through a container orifice. In this manner a maximum of a quarter of the length of the adjacent wipe is exposed through the dispensing orifice.
  • wetted tissue products cannot be utilised for all wet wipe applications, such as baby wipes, as the wetted tissue paper is not satisfactory in terms of softness or strength.
  • wetted tissues suffer from a tendency to tear during use and hence are not suitable for use as wet wipes.
  • pop-up dispensers to improve dispensing.
  • These dispensers are comprised of a container having an upper panel having an orifice.
  • the pop-up dispensers function on the principle of providing a dispensing orifice which is relatively small, and which is sized and configured so that in combination with a stack of wipes having a particular folding configuration so that the upper portion of the adjacent wipe is held within the dispensing.
  • These containers are thus designed such that during the removal action of the upper most wipe from the container through the aperture, the adjacent wipe is elevated from the stack such that it partially protrudes through the orifice once the upper most wipe has been removed. In this manner the uppermost wipe is positioned for easy grasp by the consumer.
  • These type of pop-up dispensers allow the wipes to be provided either on a continuous roll with perforations therein or as separately folded wipes as for example described in US 5,560,514.
  • dispensers with typically very small dispensing apertures is not considered desirable by the consumer.
  • small orifices prevent the consumer from being able to see and examine the innercontents of the container and estimate the number of wipes remaining therein.
  • pop up failure occurs and the wipe adjacent to the dispensed wipe is not elevated from the stack, due to the small dispensing orifice size the consumer is unable to easily feed the wipe through the dispensing orifice and is required to dismantle the dispenser itself.
  • a similar problem is encountered if the consumer inadvertently removes too many wipes than required from the dispenser and attempts to push them back into the dispenser.
  • the present invention hence relates to a wet wipe for wiping parts of the human body such as baby wipes and other surfaces.
  • the present invention relates to a pop up wet wipe dispensing system so as to facilitate ease of dispensation and separation of a single wipe from the stack of wet wipes within a dispensing container throughout the diminishing height of the stack.
  • the dispensing container comprises a container body, said container body comprising a lower portion and an upper portion, the upper portion comprising a dispensing aperture having a cross sectional area of from 14cm 2 to 65cm 2 .
  • the wipes have an average separation force between two wipes as defined by the test method herein of from 75 g/cm 2 to 250g/cm 2 .
  • the wet wipe comprises a substrate which is coated or impregnated with a liquid composition.
  • the substrate may be woven or nonwoven, foam, sponge, battings, balls, puffs or films, most preferably a nonwoven and may be composed or natural or synthetic fibres or mixtures thereof.
  • the fibre compositions are a mixed of hydrophilic fibre material such as viscose, cotton, or flax and a hydrophobic fibre material such as polyethylene tetraphthalate (PET) or polypropylene (PP) in a ratio of 20%-80% hydrophilic and 80%-20% hydrophobic material by weight.
  • PET polyethylene tetraphthalate
  • PP polypropylene
  • Two particularly preferred compositions are 50% viscose / 50%PP and 50% viscose / 50 % PET.
  • the substrate preferably has a basis weight of at least 20 gm -2 and preferably less than 150gm -2 , and most preferably the base weight is in the range of 20 gm -2 to 70 gm -2 , more preferably from 50 gm -2 to 65 gm -2 .
  • the substrate may have any calliper. Typically, when the substrate is made by a hydroentangling process, the average substrate calliper is less than 0.8 mm. More preferably the average calliper of the substrate is from 0.1 mm to 0.4 mm.
  • the substrate calliper is measured according to standard EDANA non woven industry methodology, reference method # 30.4-89.
  • the bulk density of the substrate is preferably not more than 1.0 g/cm 3 , preferably not more than 0.9 g/cm 3 , most preferably not more than 0.7 g/cm 3 .
  • the substrate can have other components or materials added thereto as known in the art.
  • the types of additives desirable will be dependent upon the particular end use of the substrate contemplated.
  • wet wipe products such as moist toilet paper, paper towels, facial tissues, baby wipes and other similar air laid products
  • wet strength resins it is often desirable particularly for cellulose based substrates to add chemical substances known in the art as wet strength resins.
  • the substrate may also comprise agents to improve the optical characteristics of the substrate material such as opacifying agents, for example titanium dioxide.
  • the substrate may be produced by any methods known in the art.
  • nonwoven substrates can be formed by dry forming techniques such as air-laying or wet laying such as on a paper making machine.
  • Other nonwoven manufacturing techniques such as melt blown, spun bonded, needle punched and spun laced methods may also be used.
  • a preferred method is hydroentangling.
  • the substrate may be comprised of one or a multiplicity of layer, preferably two or three layers of material. These layers may be identical in terms of composition and or manufacturing techniques or a combination of any of the materials described herein above. Preferably one of the layers may be a scrim reinforcing layer, as described for example in US Patent Application serial number 09/133294.
  • the substrate of the wet wipe has a central panel and two opposing end edge panels, a leading edge panel and a trailing edge panel.
  • Each of said panels has a first upper surface and a second lower surface.
  • Each folded wipe 1 extends lengthwise in the machine direction from a first, leading end edge 2, to a second, trailing end edge 3.
  • the folded webs also have side edges 4 and 5 which extend lengthwise from the first leading end edge 2 to the second trailing end edge 3.
  • Each folded wipe 1 can include a first panel fold 6 which is generally parallel to the leading edge 2, and which is generally perpendicular to the side edges 4, 5.
  • the first panel fold 6 is spaced lengthwise from the leading edge 2 to provide a leading edge panel 9 extending between the first panel fold 6 and the leading edge 2.
  • a panel is a portion of the wipe extending between two folds, or between a fold and an edge end.
  • the folded wipe can also include a second panel fold 7, and a central panel 8, and a trailing edge panel 10.
  • the second panel fold 7 is generally parallel to, and spaced lengthwise from, the first panel fold 6.
  • the central panel 8 is joined to the leading edge panel 9, at the first panel fold 6, and extends between the first panel fold 6 and the second panel fold 7.
  • the trailing edge panel 10 is joined to the central panel 8 at the second panel fold 7.
  • the trailing edge panel 10 extends between the second panel fold 7 and the trailing end edge 3.
  • the wipe is folded at the first and second panel folds 6 and 7 to provide the leading edge panel, central panel, and trailing edge panels 9, 8 and 10, in a Z-fold configuration, as best seen in Figures 2 and 3.
  • panel 9 is adjacent to and overlies a portion of panel 8
  • panel 10 is adjacent to and underlies a portion of panel 8.
  • the wipe may have additional panels.
  • leading edge panel and or the trailing edge panel may also be provided with an additional fold so as to provide a leading edge panel lip or a trailing edge panel lip.
  • a leading edge panel lip or a trailing edge panel lip is formed by providing the leading edge panel or the trailing edge panel with a panel lip fold which is adjacent to and spaced from the leading ortrailing edge of the folded substrate to provide a lip extending between the panel lip fold and the end edge.
  • the panel lip fold may be folded onto the lower surface of the leading edge panel such that the leading end edge is below the leading edge end panel. This configuration is particularly beneficial in facilitating grasping of the edge.
  • the leading edge panel may be folded such that the leading end edge rests on the upper surface of the leading edge panel.
  • the lip may also be positioned on the upper or lower surface of the trailing edge panel.
  • the lip typically extends from the leading or trailing edge form between 4 cm to 0.1 cm, preferably from 2 cm to 0.25cm to the leading edge panel lip fold or the trailing edge panel lip fold.
  • the folded wipes 1 are interfolded between adjacent folded wipes 1.
  • a panel such as panel 10 on one folded wipe 1
  • the wipes are stacked in groups of discrete folded wipes. Multiple stacks of the discrete folded wipe can then be combined one on top of the other to provide a stack as shown in figure 2.
  • the number of wipes in a discrete stack and the combination of stacks can be varied as required and depending on the container with which they are to be combined.
  • a particularly preferred folding configuration of the wipes according to the present invention is described in European Patent Application number 97108388.6, PCT/US98/10603 and EP 747 313 and incorporated herein by reference.
  • each folded wipe 1 can have an unfolded length of from 10 cm to 30 cm as measured lengthwise from the leading end edge 2 to the trailing end edge 3.
  • the spacing between the first panel fold 6 and the second panel fold 7 can be from 2 cm to 7 cm, while the lengths of the leading edge panel 9 and trailing edge panel 10 can be from 2 cm to 7 cm.
  • the spacing between the first panel fold 6 and the leading end edge 2 is more preferably from 3 cm to 6 cm, and even more preferably between about 3 cm and 5 cm.
  • the spacing between the first panel fold 6 and the second panel fold is more preferably from 3 cm to 12 cm, and even more preferably between about 10 cm and 12 cm.
  • the spacing between the second panel fold 7 and the trailing edge is more preferably from 3 cm to 6 cm, and even more preferably between about 3 cm and 5 cm.
  • the improved pop up dispensing of the wipes is provided by the combination of the above described dispensing aperture of the dispensing container as described herein below with wipes stacked such that the average separation force between two adjacent wipes is from 75g/cm 2 to 250g/cm 2 , preferably from 1 00g/cm 2 to 200g/cm 2 more preferably from 125g/cm 2 to 175g/cm 2 as defined in the test method hereinafter.
  • the upper separation force limit is required in order to prevent chaining of the wipes whilst the lower limit ensures substrate stability and prevents fall back of the wipes.
  • any means by which the separation force between adjacent wipes can be adapted to meet the requirements above can be utilised and thus includes both physical or mechanical means, chemical means and combinations thereof.
  • these means should be selected so as to minimise their impact on the characteristics of the substrate material per se so that the wipe maintains its desirable characteristics such as softness, absorbency and wet strength and may be provided to the wet wipe panels at any stage of the manufacturing process.
  • Suitable physical/mechanical means for providing the surface of the wet wipe with the separation force include for example embossing, crimping, thermal bonding, ultra-sonic bonding and printing, for example water jet printing. Such methods are well known to the skilled person in the art.
  • One preferred method is provide the surface of the wipe substrate with a surface topography of peaks and valley, by the use of scrim partially bonded to another layer as described in US 09/133294 incorporated by reference.
  • the fibres of which the substrate material is composed of can b selected so as to be hydrophobic and or provide a low friction substrate by for example the reduction in the presence of long or protruding fibres from the surface of the substrate.
  • the manufacturing methods employed for the substrate can also be selected so as to provide the desired separation force. For example airlaying techniques are considered to raise the separation force whilst wet laying reduces it.
  • suitable chemical means of adapting the separation force between wipes include lubricants, silicone release coating from Dow Corning of Midland, Michigan available as Syl-Off 7677 to which a crosslinker available as Syl-Off 7048 is added in proportions by weight of 100 parts to 10 parts, respectively.
  • Another suitable treatment is a coating of a UV curable silicone comprising a blend of two silicones commercially available from General Electric Company, Silicone Products Division, of Waterford, NY, under the designations UV 9300 and UV 9380C-D1, in proportions by weight of 100 parts to 2.5 parts, respectively.
  • silicone blend When such a silicone blend is utilised on the substrate coating application levels of at least 0.25 g, preferably 0.5 to 8.0 grams silicone per square meter of surface area have performed satisfactorily, although other coating levels may prove suitable for certain applications depending upon for example the nature of the substrate and the characteristics of the lotion.
  • suitable treatment materials include, but are not limited to, fluorinated materials such as fluoropolymers (e. g., polytetrafluoroethylene (PTFE), commercially available under the trade name TEFLON”) and chlorofluoropolymers.
  • silicones include dimethicone copolyols.
  • Others include any of the commercial water repellents listed in McCutcheon's Volume 2: Functional Materials 1995, McCutcheon's Division, The Manufacturing Confectioner Publishing Co. (the disclosure of which is incorporated by reference herein), of which GrapHsize, available from Akzo Nobel Chemicals Inc., and Norgard 10-T, available from Norman, Fox & Co., are preferred.
  • the separation force between wipes is adapted by chemical means selected from the group consisting of quaternary ammonium compounds and dimethicone copolyols.
  • such chemicals may be applied to the surface of the panel by any means such as coating, spraying, extruding, printing, or impregnation of the surface per se or of the substrate fibres. These chemicals maybe added to the substrate as a component of the lotion or independently.
  • the wet wipes are stacked and then stored in a rigid dispensing container 20.
  • the container 20 comprises a container body 21 comprising a lower portion 22 and an upper portion 23.
  • the container 20 may be provided in any shape such as a cuboid, rectangular solid, cylinder and the like depending on the end use intended and the nature and shape of the wet wipes themselves.
  • the container 20 is a rectangular solid and is typically made of a body portion having a base wall 24, end walls 25, side walls 26 and optionally a top wall 27, which are integrally molded.
  • the container is preferably molded form any suitable plastic material by thermomolding or injection molding techniques for example.
  • Suitable plastics include polypropylene, polyethylene, polystyrene, acrylonitryl butadiene styrene, polyester, polyvinyl chloride, polycarbonate and high density polyethylene.
  • the container 20 is formed from polypropylene. Typically these container may have dimensions of about 30cm by 20cm by 12cm, preferably 25cm by 15cm by 10cm.
  • the container of the present invention is provided with a lid 28.
  • the lid 28 is typically mounted onto the container body 21 at the upper portion 23 and may be affixed thereto by means of threads, snap fitting, interengaging ribs, frictional engagement and the like. Alternatively the lid 28 may be attached to the container body 21 by a hinge mechanism.
  • the wipes are either placed directly in the container 20 or alternatively, the wipes can be stacked and then packaged in a moisture impervious wrapper, such as a foil or polymeric film wrapper, to provide a refill package for use in refilling the container.
  • the upper portion 23 of the container body 21 which is either integral with the container body 21 and provided with a top wall 27 or is provided by the lid 28 attached to the container body 21 is provided with a dispensing aperture 29.
  • the dispensing aperture 29 is selected so as to provide an open surface area of from 14cm 2 to 35cm 2 .
  • the aperture has an S shape. Most preferably the aperture has a rectangular or oval shape.
  • the aperture should be provided such that it is rigid and does not alter its shape significantly during use and there should be no sharp edges or corners upon which the wipes or the consumers fingers could become snared.
  • the upper portion of the container body may also be provided with a recess such that any excess wipe substrate protruding from the aperture can be placed in-between the lid and the body portion.
  • the substrate material is typically impregnated or coated with a liquid composition.
  • a liquid composition refers to any composition which is in a liquid form when the wipe is in contact with the surface.
  • the composition may be aqueous, alcohol based or an emulsion, either a water-in-oil or an oil-in-water or a multiple emulsion, preferably the emulsion is a oil-in-water emulsion.
  • the emulsion may also comprise a lipid phase which can be broken by the application of minimal pressure for example by wiping the skin.
  • the composition will comprise from 2% to 50% by weight of said composition of actives and from 50% to 98% water, preferably de-ionised or distilled. Of the active component, preferably 2% to 20% are present in the oil phase and the remainder are present in the aqueous phase.
  • the wet wipes are provided with an emulsion composition
  • a oil phase in the range of 1 % to 20%, preferably 2% to 10%, by weight of the composition.
  • the oil based phase is derived from natural resources such as from vegetable or animal oils or may be synthetic or any mixtures thereof.
  • Suitable vegetable and animal oils for use herein include waxes such as beeswax, lanolin, candelilla, and oils such as glycerine esters and glycerine ethers, fatty acid alcohols, fatty acid esters and fatty acid ethers such as caprylic and capric triglycerides and octylpalmitate.
  • Suitable mineral oils include petroleum based oils such as paraffin and petroleum jelly.
  • Synthetic oils for use herein include ethylenic polymers for example polyethylene wax or silicone based oils.
  • Suitable silicon oils include polydimethylsiloxanes, volatile cyclo- methicones, dimethiconols, siloxysilicates and amino- and phenyl derivatives of siloxanes and mixtures thereof.
  • Examples include dimethicone (Dow Corning 200 Fluids), cyclomethicone and dimethiconol (Dow Corning 1401 Fluid), cetyl dimethicone (Dow Corning 2502 Fluid), dimethicone and trimethylsiloxysilicate (Dow Corning 593 Fluid), cyclomethicone (Dow Corning 244, 245, 344 or 345 Fluid), phenyl trimethicone (Dow Corning 556 Fluid), or combinations thereof.
  • the oil-in-water emulsions typically require emulsifying agents.
  • the emulsifying agents which may be used in the present invention are preferably capable of primary emulsification of oil-in-water emulsions.
  • the emulsifying agent is present in the range of 0.02% to 5.0%, preferably 0.02% to 3.0%, by weight of the composition.
  • the emulsifying agent is a polymeric type of emulsifying agent such as a copolymer of C10-C30 alkyl acrylates and one or more monomers of acrylic acid, methylacrylic acid or one of their simple esters cross linked with an allyl ether of sucrose or an allyl ether of pentaerythritol.
  • the emulsifying agents which are thus useful in the present invention include Ceteareth-12, Ceteareth-20 or Pemulen TR1 and TR2 which are available from B.F. Goodrich company of the USA.
  • emulsifying agents such as ethoxylated fatty alcohols, glycerine esters of fatty acids, soaps, sugar derived agents are also suitable for use herein.
  • Other useful emulsifying agents include those disclosed in detail in EP-A-328 355.
  • the composition may comprise a stability agent or preservative.
  • Stability agents suitable for use herein include phenoxyethanol preferably present in the range of from 0.1 to 1.0%, sodium benzoate, potassium sorbate, methylparaben, propylparaben, ethylparaben, butylparaben, sodium benzoate, potassium sorbate, benzalkonium chloride, and disodium salt ethylenediamine tetraacetic acid (hereinafter referred to as EDTA) or other EDTA salts (sequestrenes).
  • EDTA disodium salt ethylenediamine tetraacetic acid
  • Sequestrene is a series of complexing agents and metal complexes general of ethylenediamine-tetraacetic acid and salts.
  • the total quantity of stability agents should be in the range of 0.1% to 4.0% by weight of the composition.
  • composition of the present invention may further comprise from 0.02% to 5.0% by weight of said composition of an emollient or moisturiser.
  • the emollient is water soluble and includes polyhydric alcohols, such as propylene glycol, glycerin, and also water soluble lanolin derivatives.
  • ingredients which may be used in the present invention include, anti fu ngal agents, antibacterial agents, skin protectants, oil soluble cleansing agents, water soluble surfactants or detergents, preferably nonionic or amphoteric, pH adjusters, perfumes, fragrances and the like.
  • the delivered viscosity should be less than 500 mPas, preferably in the range of 300 to more than 100 mPas and most preferably in the range of 180 to 120 mPas.
  • the composition is applied to at least one surface of the substrate material.
  • the composition can be applied at any time during the manufacture of the wet wipe.
  • the composition can be applied to the substrate after the substrate has been dried.
  • Any variety of application methods that evenly distribute lubricious materials having a molten or liquid consistency can be used. Suitable methods include spraying, printing, (e.g. flexographic printing), coating (e.g. gravure coating or flood coating) extrusion whereby the composition is forced through tubes in contact with the substrate whilst the substrate passes across the tube or combinations of these application techniques.
  • spraying the composition on a rotating surface such as calender roll that then transfers the composition to the surface of the substrate.
  • the composition can be applied either to one surface of the substrate or both surfaces, preferably both surfaces.
  • the preferred application method is extrusion coating.
  • the composition can also be applied non uniformly to the surfaces of the substrate.
  • non uniform it is meant that for example the amount, pattern of distribution of the composition can vary over the surface of the substrate.
  • some of the surface of the substrate can have greater or lesser amounts of composition, including portions of the surface that do not have any composition on it.
  • the composition is typically applied in an amount of from about 0.5 g to 10 g per gram of substrate, preferably from 1.0 g to 5 g per gram of substrate, most preferably from 2 g to 4 g per gram of dry substrate.
  • the composition can be applied to the substrate at any point after it has been dried.
  • the composition can be applied to the substrate prior to calendering or after calendering and prior to being wound up onto a parent roll.
  • the application will be carried out on a substrate unwound from a roll having a width equal to a substantial number of wipes it is intended to produce. The substrate with the composition applied thereto is then subsequently severed to produce individual wipes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Cosmetics (AREA)
  • Detergent Compositions (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Abstract

La présente invention concerne des tampons humides destinés à nettoyer des surfaces domestiques ou industrielles, en plus de leurs usages corporels, par exemple comme tampons pour bébés, aide au démaquillage ou pour des applications analogues de soins. Les tampons humides sont empilés et enfermés dans un distributeur (20). La présente invention concerne aussi une distribution continue améliorée des tampons, au moyen d'une combinaison de l'orifice de distribution (29) du distributeur (20) qui présente certaines dimensions en relation avec une pile de tampons, dans laquelle les tampons sont disposés en sorte que la force de séparation entre deux tampons adjacents soit comprise entre 75 g/cm2 et 250 g/cm2.

Claims (4)

  1. Conteneur de distribution (20), ledit conteneur (20) comprenant une pluralité de lingettes humides, ledit conteneur (20) comprenant un corps de conteneur (21), ledit corps de conteneur comprenant une portion inférieure (22) et une portion supérieure (23), ladite portion supérieure (23) comprenant une ouverture de distribution (29), caractérisé en ce que ladite ouverture (29) a une forme en S et une superficie de section de 14 cm2 à 35 cm2 et lesdites lingettes ont une force de séparation moyenne entre deux lingettes telle que définie par le procédé de test mentionné dans ce document de 75 g/cm2 à 250 g/cm2, et la force de séparation entre les lingettes étant adaptée par des moyens chimiques sélectionnés dans le groupe consistant en des composés d'ammonium quaternaire et des copolyols de diméthicone.
  2. Conteneur de distribution (20) selon la revendication 1, dans lequel ladite force de séparation est de 100 g/cm2 à 200 g/cm2.
  3. Conteneur de distribution (20) selon la revendication 1, dans lequel ladite force de séparation est de 125 g/cm2 à 175 g/cm2.
  4. Conteneur de distribution (20) comprenant une pluralité de lingettes selon la revendication 1, dans lequel chacune des lingettes est pliée en accordéon et intercalée avec au moins une lingette adjacente.
EP99962761A 1998-11-19 1999-11-12 Conteneur de distribution Expired - Lifetime EP1131257B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99962761A EP1131257B2 (fr) 1998-11-19 1999-11-12 Conteneur de distribution

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP98121980A EP1002746A1 (fr) 1998-11-19 1998-11-19 Système de distribution unique des feuillets mouillés
EP98121980 1998-11-19
PCT/US1999/026883 WO2000030956A1 (fr) 1998-11-19 1999-11-12 Systeme de distribution continue de tampons humides
EP99962761A EP1131257B2 (fr) 1998-11-19 1999-11-12 Conteneur de distribution

Publications (3)

Publication Number Publication Date
EP1131257A1 EP1131257A1 (fr) 2001-09-12
EP1131257B1 EP1131257B1 (fr) 2003-04-16
EP1131257B2 true EP1131257B2 (fr) 2006-11-29

Family

ID=8232998

Family Applications (2)

Application Number Title Priority Date Filing Date
EP98121980A Withdrawn EP1002746A1 (fr) 1998-11-19 1998-11-19 Système de distribution unique des feuillets mouillés
EP99962761A Expired - Lifetime EP1131257B2 (fr) 1998-11-19 1999-11-12 Conteneur de distribution

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP98121980A Withdrawn EP1002746A1 (fr) 1998-11-19 1998-11-19 Système de distribution unique des feuillets mouillés

Country Status (23)

Country Link
EP (2) EP1002746A1 (fr)
JP (1) JP2003521427A (fr)
KR (1) KR20010080475A (fr)
CN (1) CN1126700C (fr)
AR (1) AR015561A1 (fr)
AT (1) ATE237531T1 (fr)
AU (1) AU1913600A (fr)
BR (1) BR9915525A (fr)
CA (1) CA2351853A1 (fr)
CO (1) CO5021141A1 (fr)
CZ (1) CZ20011705A3 (fr)
DE (1) DE69907015T3 (fr)
DK (1) DK1131257T3 (fr)
EG (1) EG22287A (fr)
ES (1) ES2192876T3 (fr)
HK (1) HK1043972A1 (fr)
HU (1) HUP0104209A3 (fr)
ID (1) ID29923A (fr)
IL (1) IL142977A0 (fr)
PE (1) PE20001077A1 (fr)
TR (1) TR200101374T2 (fr)
WO (1) WO2000030956A1 (fr)
ZA (1) ZA200103537B (fr)

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US6537631B1 (en) 1999-04-30 2003-03-25 Kimberly-Clark Worldwide, Inc. Roll of wet wipes
US6659391B1 (en) 1999-04-30 2003-12-09 Kimberly-Clark Worldwide, Inc. Method for dispensing wet wipes
US6702227B1 (en) 1999-04-30 2004-03-09 Kimberly-Clark Worldwide, Inc. Wipes dispensing system
US6705565B1 (en) 1999-04-30 2004-03-16 Kimberly-Clark Worldwide, Inc. System and dispenser for dispensing wet wipes
US6946413B2 (en) 2000-12-29 2005-09-20 Kimberly-Clark Worldwide, Inc. Composite material with cloth-like feel
US20020132543A1 (en) 2001-01-03 2002-09-19 Baer David J. Stretchable composite sheet for adding softness and texture
US6585131B2 (en) 2001-05-31 2003-07-01 Kimberly-Clark Worldwide, Inc. Flexible orifice for wet wipes dispenser
US6592004B2 (en) 2001-05-31 2003-07-15 Kimberly-Clark Worldwide, Inc. Flexible orifice for wet wipes dispenser
US6766919B2 (en) 2001-05-31 2004-07-27 Kimberly-Clark Worldwide, Inc. Flexible orifice for wet wipes dispenser
DE10143120A1 (de) 2001-09-03 2003-03-27 Lohmann Therapie Syst Lts Behälter mit Schiebedeckel
US7176150B2 (en) 2001-10-09 2007-02-13 Kimberly-Clark Worldwide, Inc. Internally tufted laminates
DE10159746B4 (de) 2001-12-05 2006-05-18 Lts Lohmann Therapie-Systeme Ag Spendevorrichtung für flächenförmige Darreichungsformen
US7232040B2 (en) 2004-03-26 2007-06-19 Kimberly-Clark Worldwide, Inc. Dispenser capable of dispensing sheet-like articles
US7275658B2 (en) 2004-03-26 2007-10-02 Kimberly-Clark Worldwide, Inc. Dispenser capable of dispensing sheet-like articles
US7073684B2 (en) 2004-03-26 2006-07-11 Kimberly-Clark Wordwide, Inc. Dispenser for housing a plurality of folded wet wipes
US8051982B2 (en) 2006-08-31 2011-11-08 Kimberly-Clark Worldwide, Inc. Container for holding a stack of premoistened wipes
US9315929B2 (en) 2007-09-28 2016-04-19 The Procter & Gamble Company Non-wovens with high interfacial pore size and method of making same
FR2922443B1 (fr) * 2007-10-17 2012-11-09 Georgia Pacific France Composition cosmetique destinee a impregner un article de nettoyage et/ou de soin de la peau
JP2013542137A (ja) 2010-09-24 2013-11-21 ザ プロクター アンド ギャンブル カンパニー 湿潤拭取り具容器
JP6704235B2 (ja) 2015-10-15 2020-06-03 スリーエム イノベイティブ プロパティズ カンパニー ディスペンサー及びシールド
WO2024181595A1 (fr) * 2023-02-28 2024-09-06 (주)벨슨 Feuilles anales prélubrifiées et récipient les comprenant
KR102704113B1 (ko) * 2023-09-08 2024-09-05 정재은 습식여과 및 산소공급 작용을 병행하는 화재대피용 구조 손수건

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Also Published As

Publication number Publication date
HUP0104209A2 (hu) 2002-03-28
TR200101374T2 (tr) 2001-12-21
KR20010080475A (ko) 2001-08-22
IL142977A0 (en) 2002-04-21
ID29923A (id) 2001-10-25
CN1126700C (zh) 2003-11-05
EP1002746A1 (fr) 2000-05-24
EG22287A (en) 2002-12-31
ZA200103537B (en) 2002-08-02
AU1913600A (en) 2000-06-13
CZ20011705A3 (cs) 2002-02-13
CN1326415A (zh) 2001-12-12
WO2000030956A1 (fr) 2000-06-02
EP1131257B1 (fr) 2003-04-16
DE69907015T2 (de) 2003-10-16
BR9915525A (pt) 2001-07-31
PE20001077A1 (es) 2000-12-28
AR015561A1 (es) 2001-05-02
DE69907015T3 (de) 2007-04-05
CO5021141A1 (es) 2001-03-27
HK1043972A1 (zh) 2002-10-04
ES2192876T3 (es) 2003-10-16
CA2351853A1 (fr) 2000-06-02
DK1131257T3 (da) 2003-06-02
ATE237531T1 (de) 2003-05-15
HUP0104209A3 (en) 2004-04-28
DE69907015D1 (de) 2003-05-22
JP2003521427A (ja) 2003-07-15
EP1131257A1 (fr) 2001-09-12

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