WO2006020414A1 - Tissu triple paroi a runners length presentant des points de liage intrinseques en paire dans la chaine - Google Patents

Tissu triple paroi a runners length presentant des points de liage intrinseques en paire dans la chaine Download PDF

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Publication number
WO2006020414A1
WO2006020414A1 PCT/US2005/026780 US2005026780W WO2006020414A1 WO 2006020414 A1 WO2006020414 A1 WO 2006020414A1 US 2005026780 W US2005026780 W US 2005026780W WO 2006020414 A1 WO2006020414 A1 WO 2006020414A1
Authority
WO
WIPO (PCT)
Prior art keywords
fabric
yarns
layer
warp
papermaker
Prior art date
Application number
PCT/US2005/026780
Other languages
English (en)
Inventor
Jeffrey Joseph Collegnon
Original Assignee
Albany International Corp.
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 Albany International Corp. filed Critical Albany International Corp.
Priority to EP05776476.3A priority Critical patent/EP1774090B1/fr
Priority to JP2007524852A priority patent/JP4998951B2/ja
Priority to BRPI0513648A priority patent/BRPI0513648B1/pt
Priority to CA002575829A priority patent/CA2575829C/fr
Priority to KR1020077005205A priority patent/KR101184894B1/ko
Priority to MX2007001388A priority patent/MX2007001388A/es
Priority to AU2005274086A priority patent/AU2005274086A1/en
Publication of WO2006020414A1 publication Critical patent/WO2006020414A1/fr
Priority to NO20071216A priority patent/NO20071216L/no

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/0027—Screen-cloths
    • D21F1/0036—Multi-layer screen-cloths
    • D21F1/0045—Triple layer fabrics
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper

Definitions

  • the present invention relates to the papermaking arts. More specifically, the present invention relates to forming fabrics for a forming section of a paper machine.
  • a cellulosic fibrous web is formed by depositing a fibrous slurry, that is, an aqueous dispersion of cellulose fibers, onto a moving forming fabric in a forming section of a paper machine. A large amount of water is drained from the slurry through the forming fabric, leaving the cellulosic fibrous web on the surface of the forming fabric.
  • a fibrous slurry that is, an aqueous dispersion of cellulose fibers
  • the newly formed cellulosic fibrous web proceeds from the forming section to a press section, which includes a series of press nips.
  • the cellulosic fibrous web passes through the press nips supported by a press fabric, or, as is often the case, between two such press fabrics.
  • the press nips the cellulosic fibrous web is subjected to compressive forces which squeeze water therefrom, and which adhere the cellulosic fibers in the web to one another to turn the cellulosic fibrous web into a paper sheet.
  • the water is accepted by the press fabric or fabrics and, ideally, does not return to the paper sheet.
  • the paper sheet finally proceeds to a dryer section, which includes at least one series of rotatable dryer drums or cylinders, which are internally heated by steam.
  • the newly formed paper sheet is directed in a serpentine path sequentially around each in the series of drums by a dryer fabric, which holds the paper sheet closely against the surfaces of the drums.
  • the heated drums reduce the water content of the paper sheet to a desirable level through evaporation.
  • the forming, press and dryer fabrics all take the form of endless loops on the paper machine and function in the manner of conveyors.
  • paper manufacture is a continuous process which proceeds at considerable speeds. That is to say, me fibrous slurry is continuously deposited onto the forming fabric in the forming section, while a newly manufactured paper sheet is continuously wound onto rolls after it exits from the dryer section.
  • Press fabrics also participate in the finishing of the surface of the paper sheet. That is, press fabrics are designed to have smooth surfaces and uniformly resilient structures, so that, in the course of passing through the press nips, a smooth, mark-free surface is imparted to the paper.
  • Press fabrics accept the large quantities of water extracted from the wet paper in the press nip. In order to fill this function, there literally must be space, commonly referred to as void volume, within the press fabric for the water to go, and the fabric must have adequate permeability to water for its entire useful life. Finally, press fabrics must be able to prevent the water accepted from the wet paper from returning to and rewetting the paper upon exit from the press nip.
  • Woven fabrics take many different forms. For example, they may be woven endless, or flat woven and subsequently rendered into endless form with a seam.
  • the present invention relates specifically to the forming fabrics used in the forming section.
  • Forming fabrics play a critical role during the paper manufacturing process.
  • One of its functions, as implied above, is to form and convey the paper product being manufactured to the press section.
  • forming fabrics also need to address water removal and sheet formation issues. That is, forming fabrics are designed to allow water to pass through (i.e. control the rate of drainage) while at the same time prevent fiber and other solids from passing through with the water. If drainage occurs too rapidly or too slowly, the sheet quality and machine efficiency suffers. To control drainage, the space within the forming fabric for the water to drain, commonly referred to as void volume, must be properly designed.
  • Contemporary forming fabrics are produced in a wide variety of styles designed to meet the requirements of the paper machines on which they are installed for the paper grades being manufactured. Generally, they comprise a base fabric woven from monofilament and may be single-layered or multi-layered. The yarns are typically extruded from any one of several synthetic polymeric resins, such as polyamide and polyester resins, used for this purpose by those of ordinary skill in the paper machine clothing arts.
  • the design of forming fabrics additionally involves a compromise between the desired fiber support and fabric stability.
  • a fine mesh fabric may provide the desired paper surface properties, but such design may lack the desired stability resulting in a short fabric life.
  • coarse mesh fabrics provide stability and long life at the expense of fiber support.
  • multi ⁇ layer fabrics were developed. For example, in double and triple layer fabrics, the forming side is designed for support while the wear side is designed for stability, as well as drainage.
  • triple layer designs allow the forming surface of the fabric to be woven independently of the wear surface. Because of this independence, triple layer designs can provide a high level of fiber support and an optimum internal void volume. Thus, triple layers may provide significant improvement in drainage over single and double layer designs.
  • triple layer fabrics consist of two fabrics, the forming layer and the wear layer, held together by binding yarns. The binding is extremely important to the overall integrity of the fabric.
  • One problem with triple layer fabrics has been relative slippage between the two layers which breaks down the fabric over time.
  • the binding yarns can disrupt the structure of the forming layer resulting in marking of the paper.
  • the present invention describes a triple-layer forming fabric having paired intrinsic binders and wear side warp runners. The present invention provides a solution to the problem of abrasive wear on the machine side of the fabric while providing good fiber support with a relatively low caliper and an appropriate void volume.
  • the present invention relates to a forming fabric for use in the forming section of a paper machine, although it may find application in the pressing and/or drying sections of the paper machine.
  • the present fabric is a triple layer forming fabric having a first layer formed of a first system of paired machine-direction (MD) warp yarns interwoven with a first system of cross machine-direction (CD) weft yarns and a second layer formed of a second system of MD warp yarns interwoven with a second system of CD weft yarns.
  • the paired MD warp yarns are intrinsic to the first layer and are interwoven with the second system of CD weft yarns to bind the second layer to the first layer.
  • the second system of MD warp yarns forms long floats, or warp-runners, on an external surface of the second layer.
  • the first layer is a forming side of the fabric and the second layer is a wear side of the fabric. In this manner, a triple layer forming fabric with paired intrinsic binders and warp-runners may be produced with improved wear side abrasion resistance.
  • paired MD warps are not intrinsic to the second layer.
  • the second layer paired warps help to protect the binding point(s) between the layers. Because each wear weft passes under at least two consecutive wear warps, the wear warps can be wrapped more forcefully to create a greater plane difference than comparable prior art fabrics.
  • the fabric may have various weft ratios of the first system of CD weft yarns to the second system of CD weft yarns.
  • the long floats may be of different lengths.
  • the fabric may be flat woven or in endless form. Some of the yarns may have different diameters and/or shapes.
  • Figure 1 shows a cross-sectional view of a preferred embodiment of a warp-bound warp-runner triple layer fabric with paired intrinsic binders and paired warp runners in accordance with the teachings of the present invention.
  • a preferred embodiment of the present invention describes a triple- layer fabric suitable for use in the forming section of a papermaking machine.
  • the present fabric is comprised of atop, or forming, layer and a bottom, or wear, layer.
  • Each layer is formed of interwoven machine direction (MD), or warp, yarns and cross-machine direction (CD), or weft yarns.
  • MD machine direction
  • CD cross-machine direction
  • the fabric is made up of forming wefts and wear wefts with forming warps and wear warps.
  • the forming layer and wear layer are bound together by the forming warps which are interwoven with both the forming wefts and wear wefts.
  • These forming warps are paired together and are intrinsic to at least the forming layer, and possibly both layers. Thus, they are referred to as paired intrinsic binders.
  • the term intrinsic is defined to mean the yarns are woven so as to provide fiber support to the top layer, as opposed to simply binding one layer to another.
  • the warps in the wear layer of the fabric are woven so as to produce long floats on the outer wear side surface of the triple layer fabric.
  • a "long" float means the warp passes under at least two wefts on the wear side surface. Accordingly, such long floats may pass under or beneath 2, 3, 4, or more yarns on the wear side.
  • These long floats are alternatively referred to as warp runners.
  • the floats are the primary contacts between the fabric and the papermaking machine.
  • Various warps or combinations of warps can also be used to form the floats; e.g.
  • wear side warps, or forming side warps, or both the wear side warps and the forming warps can be used to form warp runners. Further, each of the wear side warps and/or forming side warps or only some of them can be used to form warp runners.
  • the length of the floats can also be varied. Because these floats run in the MD and provide a relatively smooth fabric surface, they reduce the abrasive wear on the fabric caused by contact with stationary elements of the papermaking machine. In other words, the present fabric's warp runners provide improved abrasion resistance. In addition, the warp runners help reduce the load on papermaking machines running this type of fabric.
  • Figure 1 shows a cross-sectional view of the preferred embodiment of a warp-runner triple layer fabric with paired intrinsic warp binders in - accordance with the teachings of the present invention. More specifically, Figure 1 shows the warp contours in the forming and wear layers for a pair of intrinsic binder yarns WIl and W 12. Paired warps WIl and Wl 2 are woven intrinsic to the forming layer and cross to bind the wear layer. Warp Wl 1 binds the wear layer at weft yarn 23 and warp W12 binds the wear layer at weft yarn 8. The fabric has a weft ratio of 2: 1 as evidenced by twice as many weft yarns in the forming layer (e.g.
  • Wear warp Wl and wear warp W2 weave the wear layer and form paired warps with long floats from weft yarns 2 to 11 and 17 to 26. Although a float length of 4 is illustrated in Figure 1, other float lengths greater than 2 can be utilized. Further, the wear warps may be paired warps and/or non-paired warps.
  • Additional advantages of the present fabric include a relatively high weaving efficiency, reduced dimples on the forming surface (primarily due to the use of binding warps rather than wefts), a relatively low caliper and an appropriate void volume.
  • the present fabric is also relatively easy to clean, has a relatively long life expectancy, and a relatively low drive load for papermaking machines running this fabric due to the long wear side floats contacting the machine elements in a perpendicular direction.
  • Other aspects of the present invention include that the pattern may have forming to wear-side weft ratios of 1:1, 2:1, 3:1, 3:2, or any other weft ratio.
  • the present fabric may also incorporate different diameter or shaped yarns. For example, the forming side yarns may be of a smaller diameter than the wear side yarns.
  • warp and/or weft yarns may be stacked or not stacked.
  • the forming side wefts may be stacked or not stacked over the wear side wefts. Note, these examples are simply representative examples of the invention and are not meant to limit the invention.
  • the fabric according to the present invention preferably comprises only monofilament yarns.
  • the CD and MD yarns may have a circular cross- sectional shape with one or more different diameters. Additionally, the CD yarns and MD yarns in the forming side and wear side may have different diameters. It is preferable for the forming side CD and MD yarns to have smaller diameters than the wear side CD and MD yarns.
  • one or more of the yarns may have other cross-sectional shapes such as a rectangular cross- sectional shape or a non-round cross-sectional shape.
  • the yarns may be monofilament yarns of circular cross section of any of the synthetic polymeric resins used in the production of such yarns for paper machine clothing. Polyester and polyamide are but two examples of such materials.

Abstract

L'invention concerne un tissu pour machine à papier, utilisable dans une section d'une machine à papier, qui comprend une première paroi formée d'un premier système de fils de chaîne (W11, W12) en paire dans le sens machine, entrelacés avec un premier système de fils de trame (1, 3, 4, 6, 7, 9, 10, ) dans le sens travers; et une seconde paroi formée d'un second système de fils de chaîne (W11, W12) dans le sens machine, entrelacés avec un second système de fils de trame (2, 5, 8, ) dans le sens travers. Les fils de chaîne en paire dans le sens machine sont intrinsèques à la première paroi et entrelacés avec le second système de fils de trame dans le sens travers pour lier la seconde paroi à la première paroi. Le second système de fils de chaîne dans le sens machine forme de longs flottés, ou runners length, sur une surface extérieure de la seconde paroi. On peut ainsi réaliser un tissu triple paroi présentant des points de liage intrinsèques en paire et des runners length et une résistance améliorée à l'abrasion côté usure.
PCT/US2005/026780 2004-08-04 2005-07-28 Tissu triple paroi a runners length presentant des points de liage intrinseques en paire dans la chaine WO2006020414A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP05776476.3A EP1774090B1 (fr) 2004-08-04 2005-07-28 Tissu triple paroi a runners length presentant des points de liage intrinseques en paire dans la chaine
JP2007524852A JP4998951B2 (ja) 2004-08-04 2005-07-28 対となった内在性縦糸バインダーを有する縦糸ランナーの３層布
BRPI0513648A BRPI0513648B1 (pt) 2004-08-04 2005-07-28 pano para a fabricação de papel
CA002575829A CA2575829C (fr) 2004-08-04 2005-07-28 Tissu triple paroi a runners length presentant des points de liage intrinseques en paire dans la chaine
KR1020077005205A KR101184894B1 (ko) 2004-08-04 2005-07-28 쌍으로 된 고유 날실 바인더를 갖는 날실 러너 트리플층직물
MX2007001388A MX2007001388A (es) 2004-08-04 2005-07-28 Tela de triple capa de madeja de urdimbre con ligadura de urdimbre.
AU2005274086A AU2005274086A1 (en) 2004-08-04 2005-07-28 Warp-runner triple layer fabric with paired intrinsic warp binders
NO20071216A NO20071216L (no) 2004-08-04 2007-03-05 Varploper trippellagstekstil med parvise intrinsiske varpbindere

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US59888704P 2004-08-04 2004-08-04
US60/598,887 2004-08-04

Publications (1)

Publication Number Publication Date
WO2006020414A1 true WO2006020414A1 (fr) 2006-02-23

Family

ID=35229674

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/026780 WO2006020414A1 (fr) 2004-08-04 2005-07-28 Tissu triple paroi a runners length presentant des points de liage intrinseques en paire dans la chaine

Country Status (13)

Country Link
EP (1) EP1774090B1 (fr)
JP (1) JP4998951B2 (fr)
KR (1) KR101184894B1 (fr)
CN (2) CN101001989A (fr)
AU (1) AU2005274086A1 (fr)
BR (1) BRPI0513648B1 (fr)
CA (1) CA2575829C (fr)
MX (1) MX2007001388A (fr)
NO (1) NO20071216L (fr)
RU (1) RU2379400C2 (fr)
TW (1) TWI367824B (fr)
WO (1) WO2006020414A1 (fr)
ZA (1) ZA200701008B (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2230352A1 (fr) 2009-03-20 2010-09-22 Heimbach GmbH & Co.KG Bande d'étoffe tissée pour la circulation dans une machine
US7866350B1 (en) 2009-07-31 2011-01-11 Voith Patent Gmbh Forming fabric for the production of a fibrous web material
US8252146B2 (en) 2006-12-08 2012-08-28 Voith Patent Gmbh Fabric belt for a machine for the production of web material, particularly paper or cardboard
US8312900B2 (en) 2007-09-21 2012-11-20 Voith Patent Gmbh Forming fabric
EP2899311A1 (fr) 2014-01-28 2015-07-29 Heimbach GmbH & Co. KG Toile pour machine à papier

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1391374B1 (it) 2008-10-08 2011-12-13 Feltri Marone S P A Tessuto triplo di fabbricazione della carta
CN101660237B (zh) * 2009-09-14 2011-11-09 孔伟文 一种三层织物及其梭织工艺
DE102010017055A1 (de) * 2010-05-21 2011-11-24 Andritz Technology And Asset Management Gmbh Blattbildungssieb

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001002634A1 (fr) * 1999-06-29 2001-01-11 Jwi Ltd. Toile de formation composite a fil de chaine a liage
EP1195462A2 (fr) * 2000-10-05 2002-04-10 Weavexx Corporation Tissu pour papeterie à trois couches
US20040118473A1 (en) * 2002-12-24 2004-06-24 Hay Stewart Lister Fabrics with paired, interchanging yarns having discontinuous weave pattern
US20050139281A1 (en) * 2002-10-24 2005-06-30 Martin Chad A. Paired warp triple layer forming fabrics with optimum sheet building characteristics

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JPS62141192A (ja) * 1985-12-10 1987-06-24 日本フイルコン株式会社 製紙用２重織物
CA1277209C (fr) * 1986-11-28 1990-12-04 Dale B. Johnson Faconnage d'un tissu composite
SE460125B (sv) * 1987-03-24 1989-09-11 Nordiskafilt Ab Flerlagrat avvattningsband foer formering av pappersark
JPH06264387A (ja) * 1993-03-04 1994-09-20 Nippon Filcon Co Ltd 耳部の耐摩耗性を改善した製紙用織物
JP3444373B2 (ja) * 1994-03-18 2003-09-08 日本フイルコン株式会社 製紙面側織物に補助緯糸を配置した経糸２重緯糸２重製紙用織物
JP4584402B2 (ja) * 2000-03-03 2010-11-24 日本フイルコン株式会社 製紙用２層織物
US6834684B2 (en) * 2002-10-24 2004-12-28 Albany International Corp. Paired warp triple layer forming fabrics with optimum sheet building characteristics

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001002634A1 (fr) * 1999-06-29 2001-01-11 Jwi Ltd. Toile de formation composite a fil de chaine a liage
EP1195462A2 (fr) * 2000-10-05 2002-04-10 Weavexx Corporation Tissu pour papeterie à trois couches
US20050139281A1 (en) * 2002-10-24 2005-06-30 Martin Chad A. Paired warp triple layer forming fabrics with optimum sheet building characteristics
US20040118473A1 (en) * 2002-12-24 2004-06-24 Hay Stewart Lister Fabrics with paired, interchanging yarns having discontinuous weave pattern

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8252146B2 (en) 2006-12-08 2012-08-28 Voith Patent Gmbh Fabric belt for a machine for the production of web material, particularly paper or cardboard
US8652302B2 (en) 2006-12-08 2014-02-18 Voith Patent Gmbh Fabric belt for a machine for the production of web material, particularly paper or cardboard
US8312900B2 (en) 2007-09-21 2012-11-20 Voith Patent Gmbh Forming fabric
EP2230352A1 (fr) 2009-03-20 2010-09-22 Heimbach GmbH & Co.KG Bande d'étoffe tissée pour la circulation dans une machine
RU2447217C2 (ru) * 2009-03-20 2012-04-10 Хаймбах Гмбх Унд Ко. Кг Тканая лента для циркуляции в машине
US8181673B2 (en) 2009-03-20 2012-05-22 Heimbach Gmbh & Co. Kg Woven fabric band for circulation in a machine
KR101184308B1 (ko) 2009-03-20 2012-09-21 하임바흐 게엠베하 운트 콤파니 카게 기계에서 순환을 위한 직물 밴드
US7866350B1 (en) 2009-07-31 2011-01-11 Voith Patent Gmbh Forming fabric for the production of a fibrous web material
EP2899311A1 (fr) 2014-01-28 2015-07-29 Heimbach GmbH & Co. KG Toile pour machine à papier
US9745696B2 (en) 2014-01-28 2017-08-29 Heimbach Gmbh & Co. Kg Paper maker fabric

Also Published As

Publication number Publication date
KR20070045313A (ko) 2007-05-02
RU2379400C2 (ru) 2010-01-20
TWI367824B (en) 2012-07-11
KR101184894B1 (ko) 2012-09-21
JP2008509293A (ja) 2008-03-27
TW200615136A (en) 2006-05-16
CN101001989A (zh) 2007-07-18
CA2575829A1 (fr) 2006-02-23
MX2007001388A (es) 2007-04-19
BRPI0513648A (pt) 2008-05-13
ZA200701008B (en) 2008-08-27
NO20071216L (no) 2007-03-05
CN102852023A (zh) 2013-01-02
JP4998951B2 (ja) 2012-08-15
BRPI0513648B1 (pt) 2016-03-22
AU2005274086A1 (en) 2006-02-23
CA2575829C (fr) 2009-05-05
EP1774090B1 (fr) 2014-06-04
EP1774090A1 (fr) 2007-04-18
CN102852023B (zh) 2015-03-25
RU2007104770A (ru) 2008-09-10

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