EP1092054B1 - Procede de production d'un non-tisse a partir de fibres - Google Patents

Procede de production d'un non-tisse a partir de fibres Download PDF

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Publication number
EP1092054B1
EP1092054B1 EP99939910A EP99939910A EP1092054B1 EP 1092054 B1 EP1092054 B1 EP 1092054B1 EP 99939910 A EP99939910 A EP 99939910A EP 99939910 A EP99939910 A EP 99939910A EP 1092054 B1 EP1092054 B1 EP 1092054B1
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EP
European Patent Office
Prior art keywords
perforated
fibres
fleece
fibre pile
openings
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
EP99939910A
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German (de)
English (en)
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EP1092054A2 (fr
Inventor
Stefan Etzold
Joachim Bauer
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.)
Corovin GmbH
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Corovin GmbH
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Filing date
Publication date
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Publication of EP1092054A2 publication Critical patent/EP1092054A2/fr
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Publication of EP1092054B1 publication Critical patent/EP1092054B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/601—Nonwoven fabric has an elastic quality
    • Y10T442/602—Nonwoven fabric comprises an elastic strand or fiber material

Definitions

  • the invention relates to a method for producing a Nonwoven made of fibers with a multitude of them all over Cross-section of the fleece-extending hole structures, as well as a fleece produced by this process.
  • Single or multi-layer fleece with itself over the entire Cross-sectional hole structures are, for example for coverstock materials for hygiene articles such as sanitary napkins and diapers or for other applications in textile or technical area needed.
  • the hole structures serve in addition, body fluid, tissue components and droppings as quickly as possible in the liquid-absorbing Derive the inside of diapers, feminine hygiene articles or the like to be able to.
  • the nonwovens be single or multi-layer, with multi-layer nonwovens with other web-shaped media, in particular foils, connected could be.
  • the advantage of this method is that the resulting melt edges along the holes Nonwoven structure is not weakened in its cohesion.
  • the disadvantage is that the handle (softness) due to the relative hard melting edges is negatively affected, insofar as than that a fleece obtained in this way is relatively hard feels and are perceived by users as unpleasant can.
  • DE 34 16 004 A1 discloses a method in which an unconsolidated fleece made of thermoplastic fibers Calender roll arrangement is fed through which calender roll arrangement the thermoplastic material of the nonwoven melted in the area of the holes and by means of Pressure is displaced, creating a liquid bead in the area the edges of the holes a solidified grid for Stabilization and consolidation of the remaining nonwoven web forms.
  • a hard enamel edge is specifically used Solidification of the nonwoven web created what for the strength the nonwoven web is an advantage, but with regard to the hard grip caused by the melting edges disadvantageous is.
  • the hole structures by (cold) punching out / cutting out fibers created from the solidified fleece.
  • Such procedures offer the advantage that there are no hard stamping or melting edges arise and materials obtained in this way have a good grip.
  • the disadvantage is that these processes only at a slow conveying speed let it be realized. It also runs the fibers along the holes shortened, resulting in a lower strength of the Fleece leads.
  • the hole structures become after the completion of the fleece through two rollers, between which the fleece passes guided is introduced, with one roller heating a plurality of Needles and the other roller the needles of the first roller has corresponding openings.
  • the needles are here displace the fibers - and thereby form the hole structures - and at the same time depressions around the hole structures form around and finally by melting the fibers Seal the edges of the perforated structures. With this procedure if the fibers are not shortened or destroyed, they are created but also here hard melting edges, which the Negatively affect grip.
  • the introduction of Hole structures after thermobonding the fleece are complex and expensive.
  • the object of the invention is therefore to create a method by means of which the person skilled in the art is enabled
  • the invention is based on the surprising finding that to create hole structures in a fleece it sufficient is the fibers covering the area to be formed Cover, displace and in this and / or compress the surrounding area, if necessary, without that it would be necessary to lay the fiber web in the area of the Destroy holes and / or its overall appearance or diminish. So be briefly in the inventive Procedure before finishing the fleece by solidification and, if necessary, thermal bonding Fibers of the fiber web reoriented in the area of the hole structures or distracted from their previous course without thermal treatment or simultaneous compression would be necessary.
  • fibers or filaments for producing a fleece all fibers come in accordance with the method according to the invention and filaments into consideration, which are used for the formation of fleece according to the different methods are suitable, especially come Staple fibers, continuous filaments, bicomponent fibers and - filaments into consideration.
  • staple fibers can be special be well suited.
  • the particular advantage here is that no unnecessary waste or material shrinkage occurs that the fibers in the area the hole structures are not shortened and not destroyed and that the handle of the finished fleece is a very good one is that no additional hardening in the edge area of the Hole structures affect the handle of the finished fleece.
  • the fibrous web can with one or more other fleece or fleeces and / or with another web-like medium, such as a film, get connected.
  • the risk of springing back can be advantageously counter the fibers in that the fiber pile after Generation of the hole structure directly in the consolidation unit is fed.
  • a consolidation unit for example a calender roll arrangement
  • the batt is pre-consolidated such that the tensile strength of the pre-consolidated fiber pile 0.1 to 75%, in particular up to 50 % corresponds to the tensile strength of the consolidated fleece.
  • the fibers surrounding the hole structures before Feeding the pile of fibers to the consolidation unit can be fixed.
  • This fixation is used so that when the now with fiber structures provided with perforated structures the perforated structures cannot be stretched.
  • the fixation i.e. that is easy stitching of the fibers around the hole structures, can be done by suitable means, for example by applying heat and / or pressure to the fiber web, for example by smooth rolling.
  • the hole structure generation unit can also be used for solidification.
  • the hole structure generating unit has two elements faces towards each other, between which the fiber web is passed through, the area of a first element a plurality of directed towards the fiber web Has spines, and being the surface of a second Elements has openings into which the spines of the first Can at least partially immerse the surface, the fibers of the fibrous web located below the spines when the spikes are immersed in the openings, they are non-destructive displaced and the hole structures are formed.
  • the openings of the second surface with a vacuum / pressure source like a blower
  • a vacuum / pressure source like a blower
  • Such a blower can on the one hand by sucking the fibers into the openings of the second surface the non-destructive displacement of the fibers to form the Support perforated structures, on the other hand, by the blower the fibrous web provided with the perforated structures from the second surface to be blown away, so that possibly one Existing adhesion of the pile of fibers to the second surface is lifted gently after creating the hole structures.
  • the channels and openings of the vacuum source be shaped and dimensioned so that the hook to be deformed or to be reoriented fibers, which in the openings and channels of the vacuum source are sucked in safely is excluded.
  • the first element is a roller, wherein is provided in practical configurations of the invention, that the roller has a diameter of 100 to 500 mm.
  • Such a roller can be advantageous if one relatively high production speed are made possible should.
  • the first element is a rising and falling Plate.
  • Such a plate, with which discontinuously Having hole structures created can then be advantageous be when the displacement of the fibers is slow and careful should be done.
  • the spikes of the first element are conical, or have the shape of an involute, or an ogival cross section have
  • the spines conveniently one May have a height of 0.5 to 5 mm.
  • One becomes for the spines use different shapes, sizes and heights, each according to the requirements of the fleece to be created, which is a single-layer or multi-layer fleece, for example a SMS fleece, or a combination of fleece and other web-shaped Media can be.
  • the second element is a perforated tape.
  • a perforated tape can be given to the fiber web to be treated and transported to the first element, where then the spines of the first element through the batt Immerse in the holes in the perforated tape.
  • the second element is a calender roll. This means that a calender roll becomes the second at the same time Element used.
  • a method according to the invention manufactured fleece hole structures with a diameter of 0.5 to 5 mm has that the bonding area 3 to 40% of Fleece area and that the number of bonding points is 20 is up to 120 per square centimeter.
  • Fig. 1 is a first embodiment of a system 10 for Implementation of the method according to the invention shown.
  • a fiber web 18 is first produced from fibers 14 and deposited on a belt 16.
  • a fiber web 18 consisting of fibers 14 transported to a hole structure generating unit 20.
  • This hole structure generating unit 20 consists of a roller 22, which with its outer surface 24, which the first surface 24 of the hole structure generation unit 20 forms, over a perforated belt 26 with a directed towards the roller 22 Surface 28 arranged.
  • This surface 28 forms the second surface 28 of the hole structure generating unit 20.
  • the surface 24 of the roller 22 is with a plurality of spikes 30 provided, which at least partially in holes 32nd of the perforated tape 26 can immerse.
  • the roller 22 rotates counterclockwise; dive according to the conveying speed of the perforated belt 26 the spike 30, of which in Fig. 1 for simplicity only three are shown continuously in holes 32 and at this point displace the filaments 14 of the fibrous web 18 from their location.
  • This Consolidation unit 38 consists of arrangement 10 Fig. 1 from two calender rolls 40, 42. By the calender rolls 40, 42 becomes the fiber web 18 by thermal bonding solidified so that the finished fleece 44 the calender rolls 40, 42 leaves.
  • the hole structure generation unit 20 is opposite Fig. 1 greatly enlarged scale shown in detail.
  • the negative pressure / positive pressure source 34 creates a vacuum, causing the over the hole 32 of the perforated tape 26 located filaments 14 of the Fiber pile 18 can be sucked into the hole 32.
  • a hole structure 36 is shown in FIG. 3 as an example the fleece 44 created according to the method of the invention in detail shown.
  • the fleece 44 has a Plurality of bonding points created by the calender rolls 40, 42 48 on which is evenly spread over the entire area of the fleece 44 are distributed.
  • the bonding points it is possible that the Hole structure 36 to a sufficient extent also in its edge area 50 is provided with bonding points so that the hole structure 36 is stabilized by the bonding points 48.
  • FIG. 4 is a partial area of a second embodiment a system 10a for carrying out the method according to the invention shown.
  • the hole structure generating unit also points here 20a a roller 22 corresponding to roller 22 from Fig. 1.
  • the second surface 28a is the outer surface the calender roll 40a.
  • the area is corresponding 28a of the calender roll 40a are provided with holes 32a into which Sting 30 of the roller 22 can dip.
  • the holes too 32a are with a vacuum source, not shown connected.
  • the arrangement 10a shown in FIG. 4 makes it possible to to dispense with a perforated belt 26 and the transport route from the hole structure generation unit 20a to the consolidation unit 38a compared to the arrangement shown in FIG. 1 Shorten 10.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

L'invention concerne un procédé de production d'un non-tissé à partir de fibres, présentant une pluralité de structures perforées s'étendant sur toute sa section transversale. Selon l'invention, il est prévu, dans le procédé, que: dans une première étape, les fibres soient déposées en étant entremêlées sur une toile perforée, pour former un voile de fibres; dans une seconde étape, le voile de fibres soit transporté à une unité de réalisation de structures perforées; dans une troisième étape, les structures perforées soient produites par enfoncement mécanique des fibres, l'enfoncement des fibres n'influant pas sur leur structure mécanique et chimique; et dans une quatrième étape, le voile de fibres pourvu de ces structures perforées soit consolidé dans une unité de consolidation, pour former un non-tissé.

Claims (24)

  1. Procédé pour la fabrication d'un non-tissé (44) en fibres (14) avec une multitude de structures perforées (36) s'étendant sur toute la section transversale du non-tissé (44), dans lequel :
    dans une première étape, les fibres (14) sont déposées en désordre sur une bande de canevas (16) pour former une gaze fibreuse (18),
    dans une deuxième étape, la gaze fibreuse (18) est transportée vers une unité de fabrication de structures perforées (20 ; 20a),
    dans une troisième étape, les structures perforées (36) sont fabriquées par refoulement mécanique des fibres (14), le refoulement des fibres (14) n'influant pas sur leur structure mécanique et chimique, et
    dans une quatrième étape, la gaze fibreuse (18) munie des structures perforées (36) est consolidée dans une unité de consolidation (38 ; 38a) pour former un non-tissé (44).
  2. Procédé selon la revendication 1, caractérisé en ce que la gaze fibreuse (18) est transformée en non-tissé (44) dans l'unité de consolidation (38 ; 38a) par consolidation et thermo-liage par points.
  3. Procédé selon la revendication 2, caractérisé en ce qu' avant la troisième étape, la gaze fibreuse (18) est pré-consolidée de manière à ce que la résistance à la traction de la gaze fibreuse pré-consolidée (18) corresponde à 0,1 à 75 %, en particulier jusqu'à 50 %, de la résistance à la traction du non-tissé consolidé (44).
  4. Procédé selon une des revendication 1 à 3, caractérisé en ce que les fibres (14) entourant les structures perforées (36) sont fixées avant l'acheminement de la gaze fibreuse (18) vers l'unité de consolidation (38 ; 38a).
  5. Procédé selon les revendications 1 à 4, caractérisé en ce que la gaze fibreuse (18) est acheminée directement vers l'unité de consolidation (38 ; 38a) après la fabrication de la structure perforée (36).
  6. Procédé selon la revendication 5, caractérisé en ce que la quatrième étape du procédé est réalisée avec l'unité de fabrication de structures perforées (20 ; 20a) directement après la troisième étape de procédé.
  7. Procédé selon une des revendications 1 à 6, caractérisé en ce que l'unité de fabrication de structures perforées (20 ; 20a) présente deux éléments (22, 26 ; 40a) avec des surfaces tournées les unes vers les autres (24, 28 ; 28a) entre lesquelles est introduite la gaze fibreuse (18), la surface (24) d'un premier élément (22) présente une multitude de pointes (30) orientées vers la gaze fibreuse (18) et la surface (28 ; 28a) d'un deuxième élément (26 ; 40a) présente des orifices (32, 32a) dans lesquels peuvent s'enfoncer au moins partiellement les pointes (30) de la première surface (24), les fibres (14) se trouvent en dessous des pointes (30) de la gaze fibreuse (18) sont refoulées sans être abímées lors de l'enfoncement des pointes (30) dans les orifices (32 ; 32a) et les structures perforées (36) sont formées.
  8. Procédé selon la revendication 7, caractérisé en ce que les orifices (32 ; 32a) de la deuxième surface (28 ; 28a) sont en communication avec une source de dépression (34), comme une soufflerie, de manière à ce que les fibres (14) de la gaze fibreuse (18) se trouvant dans le secteur des orifices (32 ; 32a) sont aspirées dans les orifices (32 ; 32a).
  9. Procédé selon la revendication 7, caractérisé en ce que les orifices (32 ; 32a) de la deuxième surface (28 ; 28a) sont en communication avec une source de surpression (34), comme une soufflerie, de manière à ce que les fibres (14) de la gaze fibreuse (18) se trouvant dans le secteur des orifices (32 ; 32a) sont soufflées hors des orifices (32 ; 32a).
  10. Procédé selon une des revendications 7 à 9, caractérisé en ce que le premier élément (22) est un rouleau (22).
  11. Procédé selon la revendication 10, caractérisé en ce que le rouleau (22) présente un diamètre de 100 à 500 mm.
  12. Procédé selon les revendications 7 et 8, caractérisé en ce que le premier élément (22) est une plaque qui monte et descend.
  13. Procédé selon une des revendications 7 à 12, caractérisé en ce que les pointes (30) du premier élément (22) sont de forme conique.
  14. Procédé selon une des revendications 7 à 12, caractérisé en ce que les pointes (30) présentent la forme d'une développante.
  15. Procédé selon une des revendications 7 à 12, caractérisé en ce que les pointes (30) présentent respectivement une section transversale ogivale.
  16. Procédé selon une des revendications 7 à 15, caractérisé en ce que les pointes présentent une hauteur de 0,5 à 5 mm.
  17. Procédé selon une des revendications 7 à 16, caractérisé en ce que le deuxième élément (26) est une bande perforée (26).
  18. Procédé selon une des revendications 7 à 16, caractérisé en ce que le deuxième élément (40a) est un rouleau de calandre (40a).
  19. Non-tissé fabriqué suivant un procédé selon la revendication 1, caractérisé en ce que le non-tissé présente une structure perforée à travers des fibres refoulées, dont la structure mécanique et chimique est restée non influencée par le refoulement, les structures perforées (36) présentant un diamètre de 0,5 à 5 mm.
  20. Non-tissé selon la revendication 19, caractérisé en ce que la surface de liage par pointes représente 3 à 40 % de la surface du non-tissé.
  21. Non-tissé selon la revendication 19 ou 20, caractérisé en ce que le nombre de points de liage (48) est de 20 à 120 par centimètre carré.
  22. Non-tissé selon la revendication 19 à 21, caractérisé en ce que la forme des structures perforées (36) diverge d'une forme circulaire.
  23. Non-tissé selon la revendication 19 à 22, caractérisé en ce que les écarts entre les différentes structures perforées (36) sont irréguliers.
  24. Non-tissé (44) fabriqué suivant un procédé selon une des revendications 1 à 23, caractérisé en ce que la gaze fibreuse (18) est reliée avant la fabrication des structures perforées (36) par au moins un moyen supplémentaire en forme de bande.
EP99939910A 1998-06-20 1999-06-18 Procede de production d'un non-tisse a partir de fibres Expired - Lifetime EP1092054B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19827567A DE19827567A1 (de) 1998-06-20 1998-06-20 Verfahren zur Herstellung eines Vlieses aus Fasern
DE19827567 1998-06-20
PCT/DE1999/001793 WO1999067454A2 (fr) 1998-06-20 1999-06-18 Procede de production d'un non-tisse a partir de fibres

Publications (2)

Publication Number Publication Date
EP1092054A2 EP1092054A2 (fr) 2001-04-18
EP1092054B1 true EP1092054B1 (fr) 2002-11-13

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EP99939910A Expired - Lifetime EP1092054B1 (fr) 1998-06-20 1999-06-18 Procede de production d'un non-tisse a partir de fibres

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Country Link
US (1) US6750166B1 (fr)
EP (1) EP1092054B1 (fr)
AU (1) AU5406599A (fr)
DE (2) DE19827567A1 (fr)
WO (1) WO1999067454A2 (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2805718A1 (fr) * 2000-03-03 2001-09-07 Duflot Ind Sa Barriere isolante thermique antifeu, procede de fabrication d'une telle barriere, vetement comprenant au moins une telle barriere en tant qu'isolant interne
CN1278849C (zh) 2001-07-03 2006-10-11 卡罗文有限公司 穿孔层压材料
DE10204148A1 (de) * 2002-02-01 2003-08-07 Schmitz Werke Gewebe und Verfahren zu seiner Herstellung
DE10232148B4 (de) * 2002-07-16 2009-01-08 Fiberweb Corovin Gmbh Verfahren zum flüssigkeitsdurchlässigen Perforieren eines Vlieses
DE10232147B4 (de) * 2002-07-16 2004-07-15 Corovin Gmbh Thermobondiertes und perforertes Vlies
FR2845697B1 (fr) * 2002-10-11 2005-05-27 Rieter Perfojet Procede et machine de production d'un non-tisse a reduction de la vitesse de deplacement de la nappe compactee
DE10252034B4 (de) * 2002-11-06 2004-12-16 Johns Manville Europe Gmbh Airbagschutzhülle
ES2438186T3 (es) * 2002-11-13 2014-01-16 The Procter & Gamble Company Toallita de material no tejido con espesor húmedo resiliente
US20050091811A1 (en) * 2003-10-31 2005-05-05 Sca Hygiene Products Ab Method of producing a nonwoven material
JP4071704B2 (ja) * 2003-12-08 2008-04-02 名古屋油化株式会社 伸縮性不織布からなる成形材料、およびそれを用いてなる内装材
GB2455286A (en) * 2007-11-23 2009-06-10 Ball Burnishing Mach Tools A friction tool for use in the cosmetic treatment of the skin and a method of its use
CN110088370A (zh) * 2016-10-31 2019-08-02 日立普有限公司 保温材料
EP3425099A1 (fr) * 2017-07-03 2019-01-09 Axel Nickel Non-tissé de fusion-soufflage ayant une capacité d'empilage et de stockage améliorée
CN107558002A (zh) * 2017-10-24 2018-01-09 武汉纺织大学 一种提高碳纤维毡针刺效率的方法
CN107574572A (zh) * 2017-10-24 2018-01-12 武汉纺织大学 一种提高粘胶纤维毡体积密度的方法
CN107558001B (zh) * 2017-10-24 2020-08-21 武汉纺织大学 一种降低聚酰亚胺纤维毡针刺密度的方法
CN107780049A (zh) * 2017-10-24 2018-03-09 武汉纺织大学 一种芳纶纤维毡的负压针刺方法
CN107675365A (zh) * 2017-10-24 2018-02-09 武汉纺织大学 一种石英纤维毡的负压针刺方法
CN107574573A (zh) * 2017-10-24 2018-01-12 武汉纺织大学 一种降低蚕丝纤维毡针刺密度的方法
CN107558000A (zh) * 2017-10-24 2018-01-09 武汉纺织大学 一种减少棉纤维毡针刺过程中强力损失的方法
CN107700072A (zh) * 2017-10-24 2018-02-16 武汉纺织大学 一种芳纶纤维/玻璃纤维毡的负压针刺方法
US11447893B2 (en) 2017-11-22 2022-09-20 Extrusion Group, LLC Meltblown die tip assembly and method
JP2023521105A (ja) * 2020-04-16 2023-05-23 ザ プロクター アンド ギャンブル カンパニー 有孔不織布
DE102021107900B4 (de) * 2021-03-29 2023-02-02 Andritz Küsters Gmbh Anlage zum Verfestigen von Fasern umfassenden Lagen zu einer Vliesbahn

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL198064A (fr) * 1954-06-16
AT297650B (de) 1969-04-04 1972-04-10 Bunzl & Biach Ag Verfahren und Vorrichtung zum Perforieren von Vliesstoffen
FR2110939A5 (en) * 1970-10-06 1972-06-02 Greenbank Eng Co Ltd Perforating wet silicone impregnated webs - followed by drying to set the silicon
DE3416004A1 (de) 1984-04-30 1985-10-31 Henkel KGaA, 4000 Düsseldorf Verfahren zum herstellen eines vliesstoffes mit lochstruktur und kalander zum durchfuehren des verfahrens
ZA866658B (en) * 1985-09-09 1987-04-29 Kimberly Clark Co Apertured nonwoven web
US5244711A (en) * 1990-03-12 1993-09-14 Mcneil-Ppc, Inc. Apertured non-woven fabric
EP0598970B2 (fr) * 1992-11-17 2000-04-05 PANTEX S.r.l. Méthode et dispositif pour la fabrication d'une membrane ou d'une pellicule pour l'enrobage de serviettes hygiéniques ou de couches-culottes ou pour des systèmes de filtration ou similaires
CA2148289C (fr) * 1994-05-20 2006-01-10 Ruth Lisa Levy Non-tisses perfores
US5830555A (en) * 1994-06-15 1998-11-03 International Paper Company Thermally apertured nonwoven product and process for making same
US5567501A (en) * 1994-06-15 1996-10-22 International Paper Company Thermally apertured nonwoven product
DE29720192U1 (de) 1997-11-14 1999-03-25 Kuesters Eduard Maschf Kalander zum Behandeln einer Bahn

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Publication number Publication date
DE19827567A1 (de) 1999-12-23
US6750166B1 (en) 2004-06-15
EP1092054A2 (fr) 2001-04-18
AU5406599A (en) 2000-01-10
WO1999067454A3 (fr) 2000-03-09
WO1999067454A2 (fr) 1999-12-29
DE59903412D1 (de) 2002-12-19

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