EP1565613B2 - Toile de machine a papier - Google Patents

Toile de machine a papier Download PDF

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Publication number
EP1565613B2
EP1565613B2 EP03811353.6A EP03811353A EP1565613B2 EP 1565613 B2 EP1565613 B2 EP 1565613B2 EP 03811353 A EP03811353 A EP 03811353A EP 1565613 B2 EP1565613 B2 EP 1565613B2
Authority
EP
European Patent Office
Prior art keywords
fabric
weft
yarn
yarns
binder
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
EP03811353.6A
Other languages
German (de)
English (en)
Other versions
EP1565613B1 (fr
EP1565613A1 (fr
Inventor
Wolfgang Heger
Klaus Fichter
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.)
Andritz Technology and Asset Management GmbH
Original Assignee
Andritz Technology and Asset Management GmbH
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
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Application filed by Andritz Technology and Asset Management GmbH filed Critical Andritz Technology and Asset Management GmbH
Publication of EP1565613A1 publication Critical patent/EP1565613A1/fr
Publication of EP1565613B1 publication Critical patent/EP1565613B1/fr
Application granted granted Critical
Publication of EP1565613B2 publication Critical patent/EP1565613B2/fr
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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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/90—Papermaking press felts
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/903—Paper forming member, e.g. fourdrinier, sheet forming member

Definitions

  • the invention relates to a papermaking fabric.
  • the sheet forming unit is usually designed as a twin-wire former, in many cases as a gap former. Characteristic of the machines is that the sheet forming operation takes place immediately between two paper machine wires in a relatively short dewatering zone. Due to this short distance and the high production speed, the time for sheet formation is reduced to a few milliseconds. During this period, the solids content or dry content of the pulp suspension must be increased from about 1% to about 20%. This means for the paper machine screens that they have to have a very high dewatering performance, but still can leave no markings in the paper and provide a high fiber support.
  • the one solution is characterized in that the two individual fabric layers are joined together by means of a weft or transverse thread.
  • Another solution provides that the connection is made by means of a longitudinal or warp thread.
  • the two layers must be joined by a weft, in particular a binding weft.
  • the binding threads additionally used change the very homogeneous upper side, which in practice leads in part to unwanted markings in the paper.
  • the binding threads are always thinner, but this has the disadvantage that the durability for the connection of the individual layers of fabric decreases accordingly.
  • it has been found in practical use that it can come to "looping" of the binding weft threads, resulting in the separation of the individual layers and the fabric is unusable.
  • DE 42 29 828 A is a paper machine screen in the form of a composite fabric known, in particular for the sheet forming zone, consisting of at least two superimposed screen fabrics, which are formed at least one ply and connected by transverse in and / or longitudinal binding threads together, wherein one of the screen fabric as a definition fabric with the mechanical properties of the composite fabric in terms of elongation and stiffness determining training and the other screen fabric is designed as a reaction fabric with a higher elongation and lower stiffness than the definition fabric.
  • the so-called internal wear is reduced so much that the service life is essentially determined by the external wear, that is to say the abrasion occurring on the outer surface of the sieve.
  • US 5,482,567 A a three-ply fabric for use in the sheet forming area of a paper machine
  • US 5,826,627 A discloses a papermaker wire with paired weft binder threads
  • US 4,729,412 A discloses a double-layered forming screen with binding warp threads.
  • the invention has the object to help avoid the disadvantages described in the prior art, in particular to create a paper machine screen, which is characterized by high strength values, in particular has a high degree of lateral stability and offers comparable drainage services, how the known solutions as well as the formation of markings in the paper helps to avoid.
  • a problem solves a papermaking machine with the features of claim 1 in its entirety.
  • the respective binder thread on the paper side engages at defined locations warp threads of the individual fabric, which are attacked on its opposite side under investment of at least one weft of this single fabric, the compound of the two fabric layers (paper side and running side) turn by binding threads realized, but then completely integrate into the fabric structure of the paper side and thereby support by the special type of connection each binding point thus created, so that the binding threads thus remain on a plane with the shots and the remaining warp threads.
  • the warp threads are supported from below by the associated weft thread of the single fabric of the paper side at the points where they are pulled through the binding thread into the fabric interior.
  • the upper weft (paper side) a material that supports the transverse stability of the fabric, so for example a polyester material, whereas in the above-mentioned known solutions when using a pair of binding shot both materials the same have to be optimized and with respect to the layer connection, usually using polyamides.
  • the number of binding sites ie the contact between the binding weft and upper or lower chain of the paper side and running side, does not decrease compared to the known solutions.
  • the diameter of the binding thread corresponds to that of the upper weft, which leads to a high strength of the connection between the fabric layers.
  • detectable solution according to the Fig. 1 consists of the paper machine screen of two individual fabrics, looking in the direction of the Fig. 1
  • the upper single fabric consists of a set of weft yarns 2 as upper weft yarns and warp yarns 1 as upper warp yarns.
  • the underlying running side is also formed from a set of wefts 6 as Unterschußfäden and warp threads 5 as Unterkettfäden.
  • the known solution has a plain weave and the lower fabric is designed as a five-shaft fabric in relation to a repeat.
  • binding weft thread 3 shows the two individual fabrics are connected to each other via a binding weft thread 3, wherein in the drawing plane and out of this a plurality of pertinent binding weft threads 3 (not shown) are arranged in sequence and thus produce the necessary connection of the individual fabric layers for the papermaking fabric.
  • the binding threads 3 are used in the direction of the fabric in front of and behind the upper weft threads 2 used to establish the connection of the individual fabric layers, so that thereby the actually very homogeneous top of the paper side of the screen is adversely affected such that it is in the Practice may come to unwanted marks in the paper. Accordingly, in order that the known binding weft threads 3 interfere as little as possible, they are always thinner, so that when using the known papermachine sieves separation of the individual tissue layers can occur and consequently failure of the sieve as such.
  • Fig. 3 shows a detail of the top view of the top or paper side of the paper machine wire according to the invention and the section AA according to Fig. 4 refers to the view of the upper shot without binding shot, whereas the section BB the view of the upper shot with binding shot after the Fig. 3 concerns.
  • FIG. 5 shows how the connection of the two single fabric layers for paper and running side is realized by binding threads 3, of which exemplified in Fig. 5 shown in detail the course of such a binding thread 3, which is completely integrated into the fabric structure on the paper side, in which overlaps on the paper side at defined locations of the respective binding thread 3 the assignable warp threads 1 of the individual fabric, at least on its opposite side a weft 2 of this individual tissue are under attack.
  • This encroachment or attack is in the Fig. 5 represented by the reference numerals 7 and 8.
  • the binding point is supported by the opposite side, so as to ensure that this on one level with the other shot - And warp threads 4 and 1 remains.
  • the upper weft thread 2 thus also runs evenly at the point at which a weave is made without being integrated into the lower weave. Only at the points where the binding shot 3 runs over the upper chain, a short exchange of upper 2 and binding shot 3 is made.
  • the inventively designed binding solution based on a repeat as a five-shaft binding provides that four warp threads 5 are engaged by the weft threads 6 of the lower weave and a warp thread 5 is overlapped in succession, the respective binding weft thread 3 rising obliquely from the lower weave into the upper fabric at the location of this overlap 9 replaced.
  • the respective binding weft thread 3 has substantially the same diameter as the respective weft thread 2 of the single fabric on the paper side.
  • the warp threads 5 and the weft threads 6 of the lower fabric that is, on the running side, each have a larger diameter in diameter than the assignable thread systems on the upper or paper side of the papermachine fabric.
  • the respective overlap 7 of the respective binding thread 3 is consequently separated with respect to a weft thread 2 from three intervening warp threads 1, wherein at the location of the middle warp thread 1 of this trimming group the binding thread 3 briefly comprises an underlying warp thread 5 engages under the overlap 6 before the attack 9.
  • the binding thread 3 may consist of different materials, preferably to increase the transverse stability of the screen, the upper weft threads 2 made of a polyester material and the binding wefts 3 of a polyamide material.
  • the upper weft 4 after the Fig. 4 corresponds to its embodiment of the upper weft thread 2 with previously shown binding weft thread 3.
  • the different numbering was chosen only to be in the representation of the Fig. 3 to achieve a better understanding of the tissue pattern in the plan view.
  • this embodiment corresponds largely to the first embodiment described first; only instead of a five-shaft underside, the lower fabric or the underside (running side) a four-shaft binding was used for this purpose.
  • the warp thread 1 overlapped by the binder thread 3 and undercut by the upper weft thread 2 is in turn supported by a vertically underlying warp thread 5 of the lower fabric, the lower weft thread 6 extending above the lower warp thread 5 at the support point.
  • the binding of the binding thread 3 is then carried out for the lower fabric in the range of three successive Unterkettfäden 5, wherein the middle Unterkettfaden 5 of a triad of the binding yarn 3 and the two adjacent Unterkettfäden 5 are so overlapped by the binder yarn 3.
  • the roof-like configuration in the region of the overlap 7 for the upper warp thread 1 is then in a parallel arrangement its equivalent, in the underlying overlap 9 of the supporting Unterkettfadens 5 through the lower weft thread. 6

Landscapes

  • Paper (AREA)
  • Woven Fabrics (AREA)
  • Glass Compositions (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Claims (5)

  1. Toile de machine à papier constituée d'au moins un tissu individuel pour le côté papier et d'au moins un tissu individuel pour le côté roulant, qui sont constitués respectivement d'un jeu de fils (4,6) de trame et de fils (1,5) de chaîne, dans laquelle au moins une partie des tissus individuels superposés l'un sur l'autre sont reliés entre eux par des fils (3) de liaison, dans laquelle le fil (3) de liaison respectif prend par-dessus (7) des fils (1) de chaîne du tissu individuel du côté papier à des endroits qui, à leur côté opposé, sont pris par-dessous (8) par au moins un fil (2) de trame tangent à ce tissu individuel, et dans laquelle, pour former la toile, exactement deux tissus individuels sont utilisés, l'un sous la forme d'un tissu supérieur pour le côté papier, l'autre sous le forme d'un tissu inférieur pour le côté roulant, dans laquelle la prise par-dessus (7) du fil (3) de liaison respectif, dans le tissu supérieur, par rapport à un fil (2) de trame, est séparée par trois fils (1) de chaîne situés entre deux et, dans laquelle, à l'endroit du fil (1) de chaîne médian de ce groupe triple, le fil (3) de trame de liaison prend par-dessous un fil (5) de chaîne du tissus inférieur situé en dessous, dans laquelle le fil (3) de trame de liaison respectif a essentiellement le même diamètre que le fil (2) de trame respectif du tissu individuel du côté papier, dans laquelle le tissu inférieur est une armure à quatre ou à cinq lames, trois ou respectivement quatre fils (5) de chaîne sont pris par-dessous par les fils (6) de trame du tissu inférieur et respectivement un fil (5) de chaîne est pris par-dessus, et le fil (3) de trame de liaison respectif passe du tissu inférieur au tissu supérieur à l'extérieur ou respectivement à l'endroit de cette prise par-dessus (9).
  2. Toile de machine à papier selon la revendication 1, caractérisée en ce que, comme fils (3) de liaison, seul un premier type de fils de trame de liaison effectue respectivement la liaison des tissus individuels.
  3. Toile de machine à papier selon la revendication 1 ou 2, caractérisée en ce que le tissu supérieur est formée sous forme d'une armure toile et en ce que le fil (5) de trame de liaison respectif délimite une valeur angulaire à l'endroit de la prise par-dessus (7) du fil (1) de chaîne susceptible d'y être associé, la valeur angulaire étant égale à la valeur angulaire correspondante formée du fil (2) de trame prenant par-dessous.
  4. Toile de machine à papier selon une quelconque des revendications 1 à 3, caractérisée en ce que la prise par-dessus (7) du fil (3) de liaison respectif repose sur le côté supérieur par un fil (1) de chaîne qui s'étend entre le fil (2) de trame du tissu supérieur susceptible d'être associé et celui du tissu inférieur.
  5. Toile de machine à papier selon une quelconque des revendications 1 à 4, caractérisée en ce que, par la séparation fonctionnelle de fils (2) de trame supérieurs du tissu supérieur et de fils (3) de trame de liaison, ceux-ci sont constitués de matériaux différents, de préférence les fils (2) de trame supérieurs étant d'un matériau en polyester et les fils (3) de trame de liaison d'un matériau en polyamide pour augmenter la stabilité transversale de la toile.
EP03811353.6A 2002-11-16 2003-10-24 Toile de machine a papier Expired - Lifetime EP1565613B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10253491A DE10253491B3 (de) 2002-11-16 2002-11-16 Papiermaschinensieb
DE10253491 2002-11-16
PCT/EP2003/011776 WO2004046458A1 (fr) 2002-11-16 2003-10-24 Toile de machine a papier

Publications (3)

Publication Number Publication Date
EP1565613A1 EP1565613A1 (fr) 2005-08-24
EP1565613B1 EP1565613B1 (fr) 2009-09-30
EP1565613B2 true EP1565613B2 (fr) 2016-06-15

Family

ID=32103452

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03811353.6A Expired - Lifetime EP1565613B2 (fr) 2002-11-16 2003-10-24 Toile de machine a papier

Country Status (9)

Country Link
US (1) US7373957B2 (fr)
EP (1) EP1565613B2 (fr)
JP (1) JP4464278B2 (fr)
CN (1) CN1705790A (fr)
AT (1) ATE444393T1 (fr)
AU (1) AU2003276162A1 (fr)
DE (2) DE10253491B3 (fr)
ES (1) ES2333009T5 (fr)
WO (1) WO2004046458A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2579591C (fr) * 2004-09-30 2009-09-01 Roger Danby Toile de formation double couche presentant une resistance de plan central elevee
JP4762529B2 (ja) * 2004-11-17 2011-08-31 日本フイルコン株式会社 工業用二層織物
AU2006244427B2 (en) * 2005-05-05 2010-05-13 Astenjohnson, Inc. Bulk enhancing forming fabrics
JP4739903B2 (ja) * 2005-10-17 2011-08-03 日本フイルコン株式会社 工業用二層織物
JP4383433B2 (ja) * 2006-07-21 2009-12-16 日本フエルト株式会社 製紙用織物
WO2009018274A1 (fr) * 2007-07-30 2009-02-05 Astenjohnson, Inc. Toile de formation nouée par chaîne avec une commande sélective des paires de chaînes
IT1391327B1 (it) * 2008-08-08 2011-12-05 Feltri Marone S P A Tessuto di fabbricazione della carta, in particolare da utilizzare nella sezione di formazione di una macchina di fabbricazione della carta
EP2230352B1 (fr) * 2009-03-20 2012-10-03 Heimbach GmbH & Co.KG Bande d'étoffe tissée pour la circulation dans une machine
DE102010017055A1 (de) * 2010-05-21 2011-11-24 Andritz Technology And Asset Management Gmbh Blattbildungssieb
FI20155918A7 (fi) * 2015-12-04 2017-06-05 Valmet Technologies Oy Paperikonekudos
CN105714450B (zh) * 2016-04-14 2018-05-29 苏州市欣楠纺织科技有限公司 一种机织涤纶防纰裂运动服装里料及其织造方法
FI20206371A1 (en) * 2020-12-23 2022-06-24 Valmet Technologies Inc Industrial textile
JP7515443B2 (ja) * 2021-07-21 2024-07-12 日本フイルコン株式会社 工業用織物

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4729412A (en) † 1983-02-23 1988-03-08 Nordiskafilt Ab Forming fabric of double-layer type
US5482567A (en) † 1994-12-06 1996-01-09 Huyck Licensco, Inc. Multilayer forming fabric

Family Cites Families (17)

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US4705601A (en) * 1987-02-05 1987-11-10 B.I. Industries, Inc. Multi-ply paper forming fabric with ovate warp yarns in lowermost ply
US5238536A (en) * 1991-06-26 1993-08-24 Huyck Licensco, Inc. Multilayer forming fabric
DE4229828C2 (de) 1992-09-07 1996-07-04 Kufferath Andreas Gmbh Papiermaschinensieb in Form eines Verbundgewebes
US5518042A (en) * 1994-09-16 1996-05-21 Huyck Licensco, Inc. Papermaker's forming fabric with additional cross machine direction locator and fiber supporting yarns
GB9604602D0 (en) * 1996-03-04 1996-05-01 Jwi Ltd Composite papermaking fabric with paired weft binder yarns
US5881764A (en) * 1997-08-01 1999-03-16 Weavexx Corporation Multi-layer forming fabric with stitching yarn pairs integrated into papermaking surface
US5967195A (en) * 1997-08-01 1999-10-19 Weavexx Corporation Multi-layer forming fabric with stitching yarn pairs integrated into papermaking surface
GB2351505A (en) * 1999-06-29 2001-01-03 Jwi Ltd Two-layer woven fabric for papermaking machines
GB0005344D0 (en) * 2000-03-06 2000-04-26 Stone Richard Forming fabric with machine side layer weft binder yarns
FI108551B (fi) * 2000-06-26 2002-02-15 Tamfelt Oyj Abp Paperikonekudos
DE10030650C1 (de) * 2000-06-29 2002-05-29 Kufferath Andreas Gmbh Papiermaschinensieb
DE10123204C2 (de) * 2001-05-12 2003-03-27 Kufferath Andreas Gmbh Papiermaschinensieb
US6883556B2 (en) * 2002-12-30 2005-04-26 Albany International Corp. Double cross parallel binder fabric
US6905574B2 (en) * 2003-04-18 2005-06-14 Albany International Corp. Multi-layer forming fabric with two warp systems bound together with a triplet of binder yarns
US6926043B2 (en) * 2003-05-30 2005-08-09 Voith Fabrics Gmbh & Co. Kg Forming fabrics
US6978809B2 (en) * 2003-09-29 2005-12-27 Voith Fabrics Composite papermaking fabric
US7007722B2 (en) * 2003-11-17 2006-03-07 Voith Paper Patent Gmbh Forming fabric

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4729412A (en) † 1983-02-23 1988-03-08 Nordiskafilt Ab Forming fabric of double-layer type
US5482567A (en) † 1994-12-06 1996-01-09 Huyck Licensco, Inc. Multilayer forming fabric

Also Published As

Publication number Publication date
DE10253491B3 (de) 2004-05-13
ES2333009T5 (es) 2016-09-26
EP1565613B1 (fr) 2009-09-30
DE50311978D1 (de) 2009-11-12
US20060162804A1 (en) 2006-07-27
JP2006506546A (ja) 2006-02-23
JP4464278B2 (ja) 2010-05-19
ATE444393T1 (de) 2009-10-15
AU2003276162A1 (en) 2004-06-15
US7373957B2 (en) 2008-05-20
CN1705790A (zh) 2005-12-07
EP1565613A1 (fr) 2005-08-24
WO2004046458A1 (fr) 2004-06-03
ES2333009T3 (es) 2010-02-16

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