WO2012047511A1 - Etoffe pour processus de formation d'une bande non tissée et procédé pour son utilisation - Google Patents

Etoffe pour processus de formation d'une bande non tissée et procédé pour son utilisation Download PDF

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Publication number
WO2012047511A1
WO2012047511A1 PCT/US2011/052451 US2011052451W WO2012047511A1 WO 2012047511 A1 WO2012047511 A1 WO 2012047511A1 US 2011052451 W US2011052451 W US 2011052451W WO 2012047511 A1 WO2012047511 A1 WO 2012047511A1
Authority
WO
WIPO (PCT)
Prior art keywords
yarns
cmd
fabric
cmd yarns
interwoven
Prior art date
Application number
PCT/US2011/052451
Other languages
English (en)
Inventor
Hans-Peter Breuer
Harold Reiterer
Original Assignee
Huyck Licensco Inc.
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
Priority claimed from US13/235,873 external-priority patent/US8632707B2/en
Application filed by Huyck Licensco Inc. filed Critical Huyck Licensco Inc.
Priority to MX2013003491A priority Critical patent/MX2013003491A/es
Priority to EP11764414.6A priority patent/EP2572021B1/fr
Priority to CN201180030859.1A priority patent/CN102971456B/zh
Priority to JP2013530239A priority patent/JP5667302B2/ja
Priority to CA2801943A priority patent/CA2801943C/fr
Publication of WO2012047511A1 publication Critical patent/WO2012047511A1/fr

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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
    • 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
    • D04H3/16—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 filaments produced in association with filament formation, e.g. immediately following extrusion

Definitions

  • Non-woven spun-bond webs formed from filaments or fibers are typically made from a thermoplastic resin on an apparatus such as that disclosed in U.S. Pat. No. 5,814,349, the disclosure of which is incorporated herein by reference.
  • Such apparatus typically includes a spinneret for producing a curtain of strands and a process-air blower for blowing process air onto the curtain of strands for cooling same to form thermoplastic filaments.
  • the thermoplastic filaments are then typically, aerodynamically entrained by the process air for aerodynamic stretching of the thermoplastic filaments which are then, after passing through a diffuser, deposited upon a continuously circulating sieve belt or fabric for collecting the interentangled filaments and forming a web thereon.
  • the web, so formed, is then subject to further processing.
  • An exemplary apparatus of this type, particularly for high-speed spun- bond web production is currently available from Reifenhauser GmbH Co. Maschinenfabrik, Troisdorf, Germany and sold under the name Reicofil®.
  • Other exemplary forming machines are available from Oerlikon Neumag, Neumunster, Germany.
  • embodiments of the present invention are directed to a method of manufacturing a non-woven web.
  • the method comprises the step of collecting stretched filaments that form the non- woven web on a fabric in an apparatus for the formation of non- woven webs.
  • the fabric comprises machine direction (MD) yarns and cross-machine direction (CMD) yarns, wherein the MD and CMD yarns are interwoven in a repeating pattern in which at least some of the CMD yarns are interwoven with the MD yarns in pairs that follow the same weaving sequence.
  • MD machine direction
  • CMD cross-machine direction
  • Such a fabric can provide potential advantages such as reduced air leakage, reduced air disturbances, and improved web hold-down effect.
  • embodiments of the present invention are directed to a method of manufacturing a non- woven web comprising the step of collecting stretched filaments that form the non-woven web on a fabric in an apparatus for the formation of non-woven webs, wherein the fabric comprises MD yarns, single bottom CMD yarns, and top CMD yarns, wherein the MD and CMD yarns are interwoven in a repeating pattern in which at least some of the top CMD yarns are interwoven with the MD yarns in pairs that follow the same weaving sequence.
  • embodiments of the present invention are directed to a method of manufacturing a non-woven web comprising the step of collecting stretched filaments that form the non- woven web on a fabric in an apparatus for the formation of non-woven spun- bond webs, wherein the fabric comprises MD yarns and CMD yarns, wherein the MD and CMD yarns are interwoven in a repeating pattern in which all of the CMD yarns are interwoven with the MD yarns in pairs that follow the same weaving sequence, and wherein the CMD yarns are round in cross-section.
  • Figures 1 and 2 are schematic diagrams of a spun-bond manufacturing apparatus.
  • Figure 3 is an enlarged view of an exemplary weave pattern for a fabric employed in the apparatus of Figures 1 and 2.
  • Figure 4 is an enlarged cross-section of an exemplary weave pattern for an alternative fabric employed in the apparatus of Figures 1 and 2.
  • Figure 5 is an enlarged cross-section of an exemplary weave pattern for another alternative fabric employed in the apparatus of Figures 1 and 2.
  • Figure 6 is an enlarged cross-section of an exemplary weave pattern for still another alternative fabric employed in the apparatus of Figures 1 and 2.
  • spatially relative terms such as “under”, “below”, “lower”, “over”, “upper” and the like, may be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as “under” or
  • the exemplary term “under” can encompass both an orientation of over and under.
  • the device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
  • Figures 1 and 2 are generally diagrammatic drawings of an apparatus 10 for high-speed spun-bond production for a non- woven web of material.
  • web is being used to designate the non-woven fabric which is being produced by the high-speed spun-bond apparatus. This is to be distinguished from the sieve belt or fabric or continuous endless belt or seamed belt on which the web is formed as referenced in the aforesaid U.S. Patent No. 5,814,349.
  • the fabric as disclosed herein equates to the aforesaid belt.
  • Figures 1 and 2 are shown as merely representative of a spun-bond apparatus and should not be considered exclusive to the present invention.
  • the fabric 20 includes MD yarns 22, 24, 26, 28, 30 and CMD yarns 40a, 40b, 42a, 42b and 44a, 44b that are interwoven with the MD yarns.
  • the MD yarns and CMD yarns are woven in a plain weave pattern (i.e., an "over 1/under 1 " repeating pattern), with the exception that the CMD yarns are woven with the MD yarns in pairs, such that CMD yarns of the same pair follow the same weaving sequence.
  • CMD yarns 40a, 40b both pass under MD yarn 22, over MD yarn 24, under MD yarn 26, over MD yam 28, and under MD yarn 30. The same pairing occurs for the other CMD yarns as they interweave with the MD yarns.
  • the yarns comprising the fabric 20 typically comprise monofilaments, usually round monofilaments. Some of the yarns in either the MD and/or CMD may be static dissipative yarns, typically with a copper sulfide or carbon coating. In some embodiments the yarns of a yarn pair may be different yarns; for example, one yarn of a pair may have a different diameter than the other yarn of the pair or may be formed of a different material.
  • Adjacent round CMD yarns can create a distinct shape which guides air drawn through the fabric 20 in an advantageous manner for the web forming process. Potential advantages may include reduced air leakage, reduced air disturbances, and improved web hold-down effect. Also, adjacent round CMD yarns can create convex contact areas with the web whereby the contact surface is interrupted (as, for example, area 50 in Figure 3). This may facilitate removal of dirt and molten drops of polymer left over from the web forming process.
  • the illustrated weave pattern of the fabric 20 may vary.
  • An alternative exemplary weave pattern is shown in Figure 4, which illustrates a fabric 120.
  • the fabric 120 includes MD yarns 122, 124, 126, 128, single bottom CMD yarns 130, 134, 138, 142, and paired top CMD yams 132a, 132b, 136a, 136b, 140a, 140b, 144a, 144b.
  • the MD yarns are interwoven with the CMD yarns such that each MD yarn passes over two adjacent single bottom CMD yarns and one pair of paired top CMD yarns, then under two adjacent single bottom CMD yarns and three pairs of paired top CMD yarns.
  • MD yarn 122 passes over adjacent single bottom CMD yarns 130 and 134 as well as paired top CMD yarns 132a, 132b, then passes under adjacent single bottom CMD yarns 138, 142 and paired top CMD yarns 136a, 136b, 140a, 140b, 144a, 144b.
  • the result is a fabric in which single bottom CMD yarns alternate with paired top CMD yarns within the weave.
  • the single CMD yarns may be of a different size and/or material type than the paired CMD yarns.
  • Figures 5 and 6 Modifications of the fabric 120 are shown in Figures 5 and 6.
  • Figure 5 illustrates a fabric 120' which is identical to the fabric 120 with the exception that the top CMD yarns 132a', 132b'-144a'-144b' within a pair are of different sizes.
  • the yarns of the pair may also be formed of different materials.
  • Figure 6 illustrates a fabric 120" that is identical to the fabric 120 with the exception that the paired top CMD yarns are replaced with a trio of top CMD yarns (e.g., CMD yarns 132a", 132b").
  • the paired yarns may be replaced with three or more yarns that weave in the same sequence.
  • the fabrics 20, 120, 120', 120" may be equally suited for the formation of a non-woven web via another manufacturing technique, such as an air-laid technique.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

L'invention concerne un procédé de fabrication d'une bande non tissée, comportant l'étape consistant à rassembler des filaments étirés qui forment la bande non tissée sur une étoffe dans un appareil servant à la formation de bandes non tissées. L'étoffe comporte des fils dans la direction de la machine (MD) et des fils transversaux (cross-machine direction, CMD), les fils MD et CMD étant entrecroisés selon un motif répétitif dans lequel au moins une partie des fils CMD sont entrecroisés avec les fils MD par paires qui suivent la même séquence de tissage. Une telle étoffe est susceptible de présenter des avantages potentiels comme des fuites d'air réduites, des perturbations d'air réduites et un effet amélioré de maintien de la bande.
PCT/US2011/052451 2010-09-28 2011-09-21 Etoffe pour processus de formation d'une bande non tissée et procédé pour son utilisation WO2012047511A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
MX2013003491A MX2013003491A (es) 2010-09-28 2011-09-21 Tela para proceso de formacion de banda no tejida y metodo de uso de la misma.
EP11764414.6A EP2572021B1 (fr) 2010-09-28 2011-09-21 Etoffe pour processus de formation d'une bande non tissée et procédé pour son utilisation
CN201180030859.1A CN102971456B (zh) 2010-09-28 2011-09-21 用于无纺织品形成工艺的织物及其使用方法
JP2013530239A JP5667302B2 (ja) 2010-09-28 2011-09-21 不織ウエブ形成プロセス用布地および該布地を用いる方法
CA2801943A CA2801943C (fr) 2010-09-28 2011-09-21 Etoffe pour processus de formation d'une bande non tissee et procede pour son utilisation

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US38713910P 2010-09-28 2010-09-28
US61/387,139 2010-09-28
US13/235,873 2011-09-19
US13/235,873 US8632707B2 (en) 2010-09-28 2011-09-19 Fabric for non-woven web forming process and method of using same

Publications (1)

Publication Number Publication Date
WO2012047511A1 true WO2012047511A1 (fr) 2012-04-12

Family

ID=44736073

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/052451 WO2012047511A1 (fr) 2010-09-28 2011-09-21 Etoffe pour processus de formation d'une bande non tissée et procédé pour son utilisation

Country Status (5)

Country Link
JP (1) JP5667302B2 (fr)
CN (1) CN102971456B (fr)
CA (1) CA2801943C (fr)
PT (1) PT2572021E (fr)
WO (1) WO2012047511A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016120300A1 (fr) * 2015-01-28 2016-08-04 Voith Patent Gmbh Bande de tissu destinée à produire un matériau en bande, destinée en particulier à produire un non-tissé
DE102015202822A1 (de) * 2015-02-17 2016-08-18 Voith Patent Gmbh Gewebeband zur Herstellung von Spinnvlies
WO2018025209A1 (fr) * 2016-08-02 2018-02-08 Fitesa Germany Gmbh Système et procédé de préparation d'étoffes non tissées à base d'acide polylactique
EP3177459B1 (fr) 2014-08-07 2019-08-21 Voith Patent GmbH Procédé à fabriquer un non-tissé filé-lié
US11441251B2 (en) 2016-08-16 2022-09-13 Fitesa Germany Gmbh Nonwoven fabrics comprising polylactic acid having improved strength and toughness

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5814349A (en) 1996-05-21 1998-09-29 Reifenhauser Gmbh & Co. Maschinenfabrik Apparatus for the continuous production of a spun-bond web
WO2003031711A1 (fr) * 2001-10-05 2003-04-17 Albany International Corp. Non-tisse formant ou transportant un voile transporteur dote de caracteristiques de rugosite et de texture superficielles ameliorees
US20030164199A1 (en) * 2001-10-29 2003-09-04 Levine Mark J. High-speed spun-bond production of non-woven fabrics
US20030208886A1 (en) * 2002-05-09 2003-11-13 Jean-Louis Monnerie Fabric comprising shaped conductive monofilament used in the production of non-woven fabrics
WO2009030033A1 (fr) 2007-09-07 2009-03-12 Astenjohnson, Inc. Etoffe destinée à la fabrication de non-tissés filés par fusion ou par jet d'air, y compris de fils profilés anti-salissures et résistants à la contamination

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
JPH03227806A (ja) * 1990-01-31 1991-10-08 Nippon Filcon Co Ltd 不織布成形用ベルト
US5713398A (en) * 1996-12-02 1998-02-03 Albany International Corp. Papermaker's fabric having paired different machine-direction yarns weaving as one
US6112774A (en) * 1998-06-02 2000-09-05 Weavexx Corporation Double layer papermaker's forming fabric with reduced twinning.
US5975149A (en) * 1998-08-11 1999-11-02 Asten, Inc. Multilayer press fabric including long floats of high temperature MD yarns in the paper support layer
JP2003041496A (ja) * 2001-07-27 2003-02-13 Chuetsu Tec Kk ベルト用メッシュ織物
JP3900037B2 (ja) * 2002-08-01 2007-04-04 日本フイルコン株式会社 工業用二層織物
US6837275B2 (en) * 2002-11-07 2005-01-04 Albany International Corp. Air channel dryer fabric
JP4266782B2 (ja) * 2003-11-12 2009-05-20 日本フイルコン株式会社 工業用織物
JP4588534B2 (ja) * 2005-05-26 2010-12-01 日本フイルコン株式会社 凹凸表面を形成する工業用単層織物
US7219701B2 (en) * 2005-09-27 2007-05-22 Weavexx Corporation Papermaker's forming fabric with machine direction stitching yarns that form machine side knuckles

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5814349A (en) 1996-05-21 1998-09-29 Reifenhauser Gmbh & Co. Maschinenfabrik Apparatus for the continuous production of a spun-bond web
WO2003031711A1 (fr) * 2001-10-05 2003-04-17 Albany International Corp. Non-tisse formant ou transportant un voile transporteur dote de caracteristiques de rugosite et de texture superficielles ameliorees
US20030164199A1 (en) * 2001-10-29 2003-09-04 Levine Mark J. High-speed spun-bond production of non-woven fabrics
US7578317B2 (en) 2001-10-29 2009-08-25 Albany International Corp. High-speed spun-bond production of non-woven fabrics
US20030208886A1 (en) * 2002-05-09 2003-11-13 Jean-Louis Monnerie Fabric comprising shaped conductive monofilament used in the production of non-woven fabrics
WO2009030033A1 (fr) 2007-09-07 2009-03-12 Astenjohnson, Inc. Etoffe destinée à la fabrication de non-tissés filés par fusion ou par jet d'air, y compris de fils profilés anti-salissures et résistants à la contamination

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3177459B1 (fr) 2014-08-07 2019-08-21 Voith Patent GmbH Procédé à fabriquer un non-tissé filé-lié
WO2016120300A1 (fr) * 2015-01-28 2016-08-04 Voith Patent Gmbh Bande de tissu destinée à produire un matériau en bande, destinée en particulier à produire un non-tissé
US10907281B2 (en) 2015-01-28 2021-02-02 Voith Patent Gmbh Fabric tape for producing web material, in particular for producing spunbonded fabric
DE102015202822A1 (de) * 2015-02-17 2016-08-18 Voith Patent Gmbh Gewebeband zur Herstellung von Spinnvlies
DE102015202822B4 (de) * 2015-02-17 2020-08-20 Voith Patent Gmbh Gewebeband zur Herstellung von Spinnvlies sowie Verfahren zur Herstellung von Spinnvlies mit einem Gewebeband
DE102015202822C5 (de) 2015-02-17 2024-10-24 Voith Patent Gmbh Gewebeband zur Herstellung von Spinnvlies sowie Verfahren zur Herstellung von Spinnvlies mit einem Gewebeband
WO2018025209A1 (fr) * 2016-08-02 2018-02-08 Fitesa Germany Gmbh Système et procédé de préparation d'étoffes non tissées à base d'acide polylactique
US10590577B2 (en) 2016-08-02 2020-03-17 Fitesa Germany Gmbh System and process for preparing polylactic acid nonwoven fabrics
US11441251B2 (en) 2016-08-16 2022-09-13 Fitesa Germany Gmbh Nonwoven fabrics comprising polylactic acid having improved strength and toughness

Also Published As

Publication number Publication date
CA2801943C (fr) 2015-08-11
CN102971456B (zh) 2015-04-29
JP2013542333A (ja) 2013-11-21
CN102971456A (zh) 2013-03-13
JP5667302B2 (ja) 2015-02-12
PT2572021E (pt) 2015-07-29
CA2801943A1 (fr) 2012-04-12

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