EP1936025B1 - Habillage pour une machine de fabrication de matériau en bande - Google Patents

Habillage pour une machine de fabrication de matériau en bande Download PDF

Info

Publication number
EP1936025B1
EP1936025B1 EP07118649A EP07118649A EP1936025B1 EP 1936025 B1 EP1936025 B1 EP 1936025B1 EP 07118649 A EP07118649 A EP 07118649A EP 07118649 A EP07118649 A EP 07118649A EP 1936025 B1 EP1936025 B1 EP 1936025B1
Authority
EP
European Patent Office
Prior art keywords
warp
fabric
threads
fabric layer
weft
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.)
Not-in-force
Application number
EP07118649A
Other languages
German (de)
English (en)
Other versions
EP1936025A1 (fr
Inventor
Arved Westerkamp
Petra Hack-Ueberall
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.)
Voith Patent GmbH
Original Assignee
Voith Patent 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
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP1936025A1 publication Critical patent/EP1936025A1/fr
Application granted granted Critical
Publication of EP1936025B1 publication Critical patent/EP1936025B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Definitions

  • the present invention relates to a fabric tape for a machine for producing web material, in particular forming fabric, comprising at least two fabric layers with warp threads extending in a tape longitudinal direction and weft yarns extending in a tape transverse direction, wherein a first of the fabric layers provides a web material contact side and a second one of the fabric layers Machine contact side provides and the fabric layers are connected by binding warp threads together, according to the preamble of claim 1.
  • Such a tape is from the document EP 1 619 295 A2 known.
  • woven belts such as, for example, as forming fabrics in machines for producing sheet material, such as e.g. Paper or cardboard
  • sheet material such as e.g. Paper or cardboard
  • marking reduces the quality of the finished web material.
  • Markings are mainly produced when a very regular bond structure or fabric structure is present in the fabric tape. There is therefore generally a desire to make the repeat lengths both in the warp direction, as well as protective direction, so generally the size of a warp / weft repeat as large as possible. In this way, it becomes possible to have a larger variety of variation of the mutual bonding points of warp threads and weft threads with correspondingly larger ones To achieve irregularity of these binding points.
  • the term "marking tendency" is to be understood as meaning, for example, a linear marking which, for example, extends in the warp or weft direction or in a direction which is diagonal thereto.
  • this object is achieved for a fabric belt for a machine for producing web material, in particular forming fabric, comprising at least two fabric layers with warp threads extending in a belt longitudinal direction and weft yarns extending in a belt transverse direction, wherein a first of the fabric layers Web material contact side provides and a second of the fabric layers provides a machine contact side and the fabric layers are connected by binding warp threads, wherein the first fabric layer is woven with at least 26 different Kettverierin, wherein the binder warp threads not structure forming are integrated into the first fabric layer and bind to tethers on weft threads of the first fabric layer and the tethers are distributed irregularly within a warp / weft repeat.
  • the warp threads woven into the first fabric layer and the weft threads of the first fabric layer have a maximum float length of 3 and at least two, preferably all, of the at least 26 different warp thread courses are not formed by shifting another kerf thread course in the warp direction.
  • non-structure forming warp threads can be provided, which are not primarily involved in the BrumaterialKeyseite providing fabric layer and set only at a few points, so-called attachment points, via weft threads of the first fabric layer and in this way the connection of different fabric layers together realize.
  • the first fabric layer (G1) can be 32 or more, 38 or more or 45 or more different warp courses.
  • At least one replacement point is present within a warp / weft repeat.
  • each non-forming binder warp within a warp / weft repeat at least two tethers in the first fabric layer and that at most two, preferably no, non-structure binding warp threads are all tethers at the same weft threads of the first fabric layer. It can further be provided that within a warp / weft repeat maximum of three non-forming binding warp threads are present, in which all tethers are at the same weft yarns of the first fabric layer.
  • the irregularity of the distribution of the binding sites within a warp / weft repeat can be increased by at least one tying point is present within a warp / weft repeat at least half of the weft threads of the first fabric layer.
  • the other fabric layer may be the second fabric layer, which generally means that such a fabric tape is then constructed with two fabric layers.
  • the number of non-structural binding warp threads is less than or equal to the number of warp threads not contributing to the connection of the fabric layers in the first fabric layer.
  • the number of warp threads of the first fabric layer is greater than or equal to the number of warp threads of the second fabric layer.
  • the number of weft threads of the first fabric layer is greater than or equal to the number of weft threads of the second fabric layer.
  • a very irregular bonding pattern will be obtained, that at least two, preferably all, of at least 26 different Kettfadenverstructure not formed by moving another Kettfadenverlaufes in the warp direction.
  • the use of at least 26 shanks generally means that at least 26 different warp yarn courses are also generated with the consequence of a correspondingly long warp repeat.
  • FIG. 1 and 2a to 2g An embodiment of a fabric tape constructed according to the invention or a binding structure for this is in the Fig. 1 and 2a to 2g shown.
  • the shows Fig. 1 again a warp / weft repeat R, which here forms over 36 structure forming in the first fabric layer G1 woven warp threads and 42 weft threads both the first fabric layer G1 and the second fabric layer G2.
  • the connection of the two fabric layers G1 and G2 takes place here by binding warp threads BK, which are woven in the substantial area of their extension exclusively in the second fabric layer G2, so there over or under the weft threads 1 to 42 of this second fabric layer G2 set.
  • binding warp threads BK bind with weft threads of the first fabric layer G1.
  • these binding sites A ' are respectively formed on the weft threads 2, 20 and 35 of the first fabric layer G1. That is, there the binder warp BK extends over the weft threads of the first fabric layer G1.
  • binding warp threads appear on the surface of the first fabric layer G1 only in the region of the binding sites A ', but otherwise do not appear in the first fabric layer G1, they are not referred to as forming structure, as they do not make a noticeable contribution to the structure of the first fabric layer G1 deliver.
  • binding structure is provided for as large as possible irregularity.
  • this contributes to the fact that the first fabric layer is woven with a multitude of different warp courses.
  • This refers first to the structure forming in the first fabric layer G1 occurring warp threads Ko, which in Fig. 1 are numbered 1 to 36. All warp courses of these 36 warp yarns Ko differ in each case by different setting patterns with the weft threads 1 to 42 of the first fabric layer G1, whereby here too none of the warp courses solely by shifting another warp course in the warp direction can be generated.
  • the maximum float length should not exceed 3.
  • such a floating over 3 wefts floats the warp Ko 29 in the Fig. 2f recognizable.
  • the majority of the floats is chosen so that it extends over a maximum of two other threads, ie warp or weft threads.
  • attachment locations A 'within a respective repeat R are preferably selected such that the attachment locations A' do not lie with the same weft threads in each case with more than a maximum of three binding warp threads BK. If such binding warp threads are present, which have all attachment points A 'on the same weft threads, as well as other binding warp threads BK, it should be ensured that they are not directly next to each other, but instead are separated by at least one differently bound binding warp thread. Also, care should be taken that, as in the Fig. 1 It can be seen that as many as possible of the weft threads present in such a rapport R have binding sites A '. At least half of the weft yarns should each set with a binding warp BK to form such a binding point A '.
  • a binding structure for a fabric belt for a machine for producing web material such as paper or cardboard
  • a very irregular distribution for example, the exchange points A or the binding sites A 'within the respective rapportees the occurrence of regular bond patterns is suppressed as far as possible.
  • This also contributes to a very short fleet length.
  • a cloth tape can be obtained in which not only the marking tendency is reduced but also a very uniform compound of the fabric layers distributed over the entire cloth tape can be obtained with each other.
  • the above-described fabric tape constructed according to the invention can also be used in particular in the production of voluminous paper, in particular tissue paper, also commonly referred to as tissue or bulk tissue.
  • tissue paper also commonly referred to as tissue or bulk tissue.
  • the warp and weft specifications may be selected, e.g. the related sizes of density and diameter of the warp threads and also the weft threads.

Landscapes

  • Woven Fabrics (AREA)
  • Paper (AREA)

Claims (10)

  1. Bande de tissu pour machine de fabrication de matériau en nappe, en particulier tamis de formage, comprenant au moins deux couches de tissu (G1, G2) dotées de fils de chaîne qui s'étendent dans le sens de la longueur de la bande et de fils de trame qui s'étendent dans la direction transversale de la bande,
    une première (G1) des couches de tissu (G1, G2) formant un côté de contact avec le matériau en nappe et une deuxième (G2) des couches de tissu (G1, G2) formant un côté de contact avec la machine,
    les couches de tissu (G1, G2) étant reliées l'une à l'autre par des fils de chaîne de liaison (BK),
    la première couche de tissu (G1) étant tissée avec au moins 26 passages de chaîne différents, les fils de chaîne de liaison (BK) étant liés dans la première couche de tissu (G1) sans former sa structure et se liant aux emplacements de liaison (A') par l'intermédiaire de fils de trame (1-42) de la première couche de tissu (G1) et
    les emplacements de liaison (A') étant répartis de manière irrégulière à l'intérieur d'un rapport chaîne/trame (R),
    caractérisée en ce que
    les fils de chaîne (Ko) tissés dans la première couche de tissu (G1) pour en former la structure et les fils de trame de la première couche de tissu (G1) présentent les uns par rapport aux autres une longueur maximale de flottage de 3 et
    en ce qu'au moins deux et de préférence tous les 26 différents passages de fils de chaîne ne sont pas formés par déplacement d'un autre passage de fils de chaîne dans la direction de la chaîne.
  2. Bande de tissu selon la revendication 1, caractérisée en ce qu'au moins un emplacement de remplacement (A) est prévu à l'intérieur d'un rapport chaîne/trame (R) pour au moins la moitié des fils de trame.
  3. Bande de tissu selon la revendication 1, caractérisée en ce que chaque de chaîne de liaison (BK) ne formant pas la structure présente au moins deux emplacements de liaison (A') dans la première couche de tissu (G1) à l'intérieur d'un rapport chaîne/trame (R) et en ce que pour au plus deux et de préférence pour aucun des fils de chaîne de liaison (BK) qui ne forment pas la structure, tous les emplacements de liaison (A') sont situés sur les mêmes fils de trame de la première couche de tissu (G1).
  4. Bande de tissu selon les revendications 1 ou 3, caractérisée en ce qu'au plus trois fils de chaîne de liaison (BK) ne formant pas la structure et pour lesquels tous les emplacements de liaison (A') sont situés sur les mêmes fils de trame de la première couche de tissu (G1) sont prévus à l'intérieur d'un rapport chaîne/trame (R).
  5. Bande de tissu selon les revendications 1, 3 ou 4, caractérisée en ce qu'au moins un emplacement de liaison (A') est prévu à l'intérieur d'un rapport chaîne/trame (R) pour au moins la moitié des fils de trame de la première couche de tissu (G1).
  6. Bande de tissu selon l'une des revendications 1 à 5, caractérisée en ce que l'autre couche de tissu (G2) est la deuxième couche de tissu (G2).
  7. Bande de tissu selon l'une des revendications 1 à 6, caractérisée en ce que dans la première couche de tissu (G1), le nombre de fils de chaîne de liaison (BK) ne formant pas la structure est inférieur ou égal au nombre de fils de chaîne (Ko) qui ne contribuent pas à la liaison des couches de tissu (G1, G2).
  8. Bande de tissu selon l'une des revendications 1 à 7, caractérisée en ce que le nombre de fils de chaîne de la première couche de tissu (G1) est supérieur ou égal au nombre de fils de chaîne de la deuxième couche de tissu (G2).
  9. Bande de tissu selon l'une des revendications 1 à 8, caractérisée en ce que le nombre de fils de trame de la première couche de tissu (G1) est supérieur ou égal au nombre de fils de trame de la deuxième couche de tissu (G2).
  10. Bande de tissu selon l'une des revendications 1 à 9, caractérisée en ce que tous les fils de chaîne présentent des passages de chaîne différents à l'intérieur d'un rapport chaîne-trame.
EP07118649A 2006-12-22 2007-10-17 Habillage pour une machine de fabrication de matériau en bande Not-in-force EP1936025B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006061114A DE102006061114A1 (de) 2006-12-22 2006-12-22 Gewebeband für eine Maschine zur Herstellung von Bahnmaterial und Verfahren zur Herstellung eines derartigen Gewebebandes

Publications (2)

Publication Number Publication Date
EP1936025A1 EP1936025A1 (fr) 2008-06-25
EP1936025B1 true EP1936025B1 (fr) 2011-06-01

Family

ID=39190918

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07118649A Not-in-force EP1936025B1 (fr) 2006-12-22 2007-10-17 Habillage pour une machine de fabrication de matériau en bande

Country Status (5)

Country Link
US (1) US7584768B2 (fr)
EP (1) EP1936025B1 (fr)
AT (1) ATE511571T1 (fr)
DE (1) DE102006061114A1 (fr)
ES (1) ES2365550T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006010775A1 (de) * 2006-03-08 2007-09-13 Johann Berger Gurtband, Verfahren und Nadel-Bandwebmaschine zur Herstellung desselben
FI20115222A7 (fi) 2011-03-04 2012-09-05 Metso Fabrics Oy Paperikonekudos
EP3068619A4 (fr) 2013-11-14 2017-07-05 Georgia-Pacific Consumer Products LP Feuilles absorbantes douces presentant une absorbance et une epaisseur superieures, et procedes de fabrication de feuilles absorbantes douces
DE102014212306A1 (de) * 2014-06-26 2015-12-31 Voith Patent Gmbh Bespannung

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3801051A1 (de) * 1988-01-15 1989-07-27 Wangner Gmbh Co Kg Hermann Doppellagige bespannung fuer den blattbildungsbereich einer papiermaschine
DE4302031C1 (de) * 1993-01-26 1993-12-16 Heimbach Gmbh Thomas Josef Trockensieb sowie Verfahren zu dessen Herstellung
US5421374A (en) * 1993-10-08 1995-06-06 Asten Group, Inc. Two-ply forming fabric with three or more times as many CMD yarns in the top ply than in the bottom ply
US5967195A (en) * 1997-08-01 1999-10-19 Weavexx Corporation Multi-layer forming fabric with stitching yarn pairs integrated into papermaking surface
DE19859581A1 (de) * 1998-12-22 2000-06-29 Voith Fabrics Heidenheim Gmbh Mehrlagiges Papiermaschinensieb zur Entwässerung und Blattbildung
GB0005344D0 (en) * 2000-03-06 2000-04-26 Stone Richard Forming fabric with machine side layer weft binder yarns
US6827821B2 (en) * 2002-12-02 2004-12-07 Voith Fabrics Heidenheim Gmbh & Co. Kg High permeability, multi-layer woven members employing machine direction binder yarns for use in papermaking machine
US6926043B2 (en) * 2003-05-30 2005-08-09 Voith Fabrics Gmbh & Co. Kg Forming fabrics
DE102004035522A1 (de) * 2004-07-22 2006-03-16 Voith Fabrics Patent Gmbh Papiermaschinenbespannung
US20060048840A1 (en) * 2004-08-27 2006-03-09 Scott Quigley Compound forming fabric with additional bottom yarns
DE102005060299A1 (de) * 2005-12-16 2007-06-21 Voith Patent Gmbh Papiermaschinensieb
DE102005060301A1 (de) * 2005-12-16 2007-06-21 Voith Patent Gmbh Papiermaschinenbespannung
DE102005060300A1 (de) * 2005-12-16 2007-06-21 Voith Patent Gmbh Papiermaschinensieb

Also Published As

Publication number Publication date
ATE511571T1 (de) 2011-06-15
EP1936025A1 (fr) 2008-06-25
DE102006061114A1 (de) 2008-06-26
US7584768B2 (en) 2009-09-08
ES2365550T3 (es) 2011-10-06
US20080214346A1 (en) 2008-09-04

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