EP1788151A1 - Tissu pour machine à papier - Google Patents

Tissu pour machine à papier Download PDF

Info

Publication number: EP1788151A1
Authority: EP; European Patent Office
Prior art keywords: threads; thread; binding; transverse; fabric according
Prior art date: 2005-11-21
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.): Granted

Application number

EP06122409A

Other languages

German (de)

English (en)

Other versions

EP1788151B1 (fr

Inventor

Johann Boeck

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.)

2005-11-21

Filing date

2006-10-17

Publication date

2007-05-23

2006-10-17 Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH

2007-05-23 Publication of EP1788151A1 publication Critical patent/EP1788151A1/fr

2010-01-06 Application granted granted Critical

2010-01-06 Publication of EP1788151B1 publication Critical patent/EP1788151B1/fr

Status Not-in-force legal-status Critical Current

2026-10-17 Anticipated expiration legal-status Critical

Images

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 invention relates to a papermaking wire, in particular a forming fabric, according to the preamble of patent claim 1.
Forming fabrics are used in the forming section of a paper machine.
a fiber suspension is applied from the headbox of the paper machine to a forming fabric or to two forming fabrics (Gap formers).
An object of the forming fabric here is to dewater the fiber suspension and form a fibrous web, as little as possible pulp fibers and fillers from the fiber suspension should be washed during the dewatering process.
the quality of the fibrous web formed is strongly influenced by the structure of the fibrous web-facing surface (paper side) of the forming fabric.
the life of the forming fabric is greatly affected by the structure of the paper machine facing surface (machine side) of the forming fabric.
the attachment sites In multi-ply fabrics where the fabric plies are held together by separate binding threads, i. due to binding threads, which do not form an integral part of the weave structure of at least the paper-side fabric layer, the attachment sites often cause indentations on the paper side which cause marks on the paper produced on such fabrics.
binding threads In multi-layer fabrics in which the binding threads an integral part of Web form, is provided by the binding threads often only low binding force between the fabric layers in favor of a planar as possible paper side.
the low connection between the fabric layers on the one hand results in a large thickness of the screen and on the other hand leads to a relative movement of the two fabric layers to each other in the operation of the screen.
the high thickness causes a high level of water dragging. Furthermore, a high sieve thickness increases the drainage resistance, which leads to poor drainage of the paper web, which has a disadvantageous effect particularly on fast paper machines, since the paper web at the end of the dewatering section has too high a water content.
Multilayer forming fabrics are, for example, from the EP 0 432 413 B1 , of the DE 297 24 238 U1 , of the EP 1 00 197 B1 , of the WO 2004 / 061211A2 and the US 2004/0149342 A1 known.
the known papermaking fabric in particular Formiersieb, has an upper transverse yarns comprising upper fabric layer whose outer side forms a paper side of the papermaking fabric and a lower transverse threads comprising lower fabric layer whose outside forms a machine side of the papermachine fabric. Furthermore, the known papermaking screen has been arranged in pairs and binding yarns extending transversely of the transverse yarns interconnecting the upper and lower fabric layers by interweaving the binding yarns of each pair with upper transverse yarns to form upper bonding portions and lower transverse yarns to form lower bonding portions.
each upper attachment portion is formed by interweaving a binding thread of the pair with one or more successive upper transverse threads, wherein between two successive upper attachment portions of the binding thread, an upper attachment portion of the other binding thread of the pair is arranged.
a binder thread crosses at least one upper transverse thread as it threads on the outside of the upper fabric layer.
a binder thread crosses at least one lower transverse thread as it travels on the outside of the lower fabric layer.
the sieve has binder thread repeats in each of which repeats the weaving of the binding threads with upper and lower transverse threads.
the paper machine screen according to the invention is characterized in that more than two successive upper attachment sections are arranged in each binding thread repeat.
a low marking tendency of the paper side is further supported by the weave pattern of the upper fabric layer being a plain weave.
the weaving paths of the two binding threads of the pair differ from each other only in that they are offset from one another by a number of upper transverse threads, wherein preferably the weaving paths of the two binding threads of a pair are offset from one another by half of the binding thread repeat.
the advantage of this arrangement is that each binder thread of the pair in one half of the binder thread repeat weaves the weave path with the top and bottom cross threads weaving the other of the two binder threads in the other half of the binder thread repeat.
an embodiment of the invention provides that, by interweaving each binding thread with the upper transverse threads, first upper attachment sections each having at least one upper transverse thread and second upper attachment sections each having at least one upper transverse thread are formed.
the second upper connecting sections preferably comprise more successive upper transverse threads than the first upper connecting sections.
the second attachment portions comprise three successive upper transverse threads, wherein the binding thread on the outer side continuously crosses the first and the third of the upper transverse threads, and wherein the binding thread between the upper and lower fabric layers continuously crosses the second of the upper transverse threads.
successive formed by a binder yarn of the pair second upper connecting portions are provided, between which the binding thread is not interwoven with lower transverse threads, wherein between successive second upper connecting portions of the binding yarn preferably between the upper and lower fabric layer continuously more, preferably three upper transverse threads crossed , In this way, a floating of the binding thread between the upper and the lower fabric layer is provided, through which the wire is stiffened.
a first upper connection portion forms between the successive formed by the weaving of a binding thread second upper connecting portions of the other binding yarn of the pair by interweaving with at least one upper transverse thread, a first upper connection portion, wherein the first upper connection portion preferably disposed between lower connection portions is, which are formed by the same binder thread of the pair.
the force for supporting the floatation is at least partially absorbed by the two second upper connecting sections. As a result, a firm connection between the two fabric layers is provided at the same time flat paper side.
first and second upper connection portions are formed, between which a lower connection portion is arranged.
first and second attachment portions formed by a binder thread are connected to each other via a lower connection portion, whereby a firm connection between the upper and lower fabric layer is achieved.
each lower attachment portion is formed by interweaving a binding thread with only a lower transverse thread.
a further particularly preferred development of the invention provides that when a binding thread of the pair interweaves with the formation of a second upper connecting portion with upper transverse threads, weaves the other binding thread of the pair to form a lower connection portion with at least one lower transverse threads, the upper transverse threads of the second upper connecting portion is arranged opposite.
the upper fabric layer is connected to the lower fabric layer via lower attachment portions through a first upper attachment portion of a binding thread disposed between two second upper attachment portions of the other binding thread connected, both of which are arranged under the second upper attachment portions of the other binding thread.
a preferred development of the invention provides that a binder thread repeat in which the weaving of a binding thread with upper and lower transverse threads repeats comprises 40 transverse threads.
the ratio of upper to lower transverse threads can be 1: 1.
the upper fabric layer may be formed by upper longitudinal threads extending in the binding yarn direction and woven only with upper transverse threads.
the lower fabric layer may also be formed by lower longitudinal threads extending in the binding thread direction, which are interwoven only with lower transverse threads.
a concrete embodiment of the invention provides that the transverse threads are warp threads and the binding threads or the longitudinal threads are weft threads.
FIG. 1 shows an overall repeat of an embodiment of a paper machine wire 100 according to the invention designed as a forming fabric
FIG. 2 shows a binding thread course of a pair of binding threads of the sieve 100.
the forming fabric 100 comprises an upper fabric layer 101 having an outer side 103 forming the paper side and a lower fabric layer 102 having an outer side 104 forming the machine side.
the upper fabric layer 101 is formed by interweaving pairs of binding yarns B1 to B20 with upper transverse yarns OK1, OK3, OK5, OK7, .... to OK39, and interweaving upper longitudinal yarns OS1 to OS10 with the upper one upper transverse threads OK1, OK3, OK5, OK7, .... to OK 39 formed (in the figure 2 right-hand designations "OK” and "UK” should be used to represent all upper or lower transverse threads).
the lower fabric layer 102 is formed by interweaving the paired binding yarns B1 to B20 with lower transverse threads UK2, UK4, UK6, UK8, ...., UK40 and interweaving lower longitudinal threads US1 to US20 with the lower transverse threads UK2 , UK4, UK6, UK8, ...., UK40.
a repeat unit of the embodiment according to the invention therefore comprises 20 binding threads, 30 upper and lower longitudinal threads and 40 upper and lower transverse threads.
the ratio of upper to lower transverse threads is 1: 1.
the weave pattern of the upper fabric layer 101 further forms a plain weave.
binding threads B1 to B20 and the longitudinal threads OS1 to OS10 and US1 to US20 in this case extend transversely to the upper and lower transverse threads.
the upper fabric layer 101 and the lower Fabric layer 102 interconnected by the binding threads B19 and B20 of each pair with upper transverse threads OK1, OK3, OK5, OK7, .... to OK 39 to form upper attachment portions OA1 to OA6 and lower transverse threads UK2, UK4, UK6, UK8 , ...., UK40 are interwoven to form lower attachment portions UA1 to UA4, wherein each upper attachment portion OA1 to OA6 is formed by interweaving a binding thread B19, B20 of the pair with one or more successive upper transverse threads OK1, OK3, OK5, OK7 , ....
an upper attachment portion of the other binding thread of the pair is arranged.
the upper attachment section OA3 of the binding thread B20 is arranged.
An upper attachment section OA1 to OA6 is formed by a binding thread B19, B20 on the outer side 103 of the upper fabric layer 101 continuously crossing at least one of the upper transverse threads OK1, OK3, OK5, OK7, .... to OK 39.
the upper attachment portions OA2 and OA6 are formed by interweaving three successive upper transverse threads (OK7 to OK11 at OA2 and OK35 to OK39 at OA6) with the binder thread B19, the binder thread B19 at the outer side 103 of the upper fabric layer 101, the first and third of the upper transverse threads cross, and the binder thread B19 between the upper 101 and lower fabric layers 102 continuously crosses the second of the upper transverse threads.
the upper connection sections OA3 and OA5 are further characterized by the Weaving the binding thread B20 formed with three consecutive upper transverse threads (OK15 to OK19 at OA3 and OK27 to OK31 at OA5).
the upper attachment sections OA2, OA3, OA5 and OA6 represent second upper attachment sections.
first upper bonding portions OA1 and OA4 are formed by interweaving each upper transverse thread (OK3 at OA1 and OK23 at OA4) with the bonding yarns B20 and B19, respectively.
the weave pattern of the papermaker's fabric 100 is repeated in a repeat OK1 to OK39 and UK2 to UK40, which extends in the binding yarn direction over the length of the repetition of the weaving path of one of the binding threads B19 or B20.
more than two upper connecting sections in each case six upper connecting sections OA1 to OA6, are arranged consecutively on the length of the repeat OK1 to OK39 and UK2 to UK40 in the direction of the binding thread
the forming fabric 100 further has lower attachment portions UA1 to UA4, wherein at each lower attachment portion UA1 to UA4, a binding thread B19, B20 crosses at least one lower transverse thread when the binding thread B19, B20 runs on the outer side 104 of the lower fabric layer 102.
the weaving paths of the two binding threads B19, B20 of the pair differ from one another only in that they are offset from one another by a number of upper transverse threads, namely around the upper transverse threads OK5 through OK23, which is half corresponding to the binder thread repeat.
the forming fabric 100 has successive second upper connecting sections formed by a binding thread of the pair, between which the binding thread is not interwoven with lower transverse threads.
the binding thread B20 between the through The second upper joining portions OA3 and OA5 formed thereon are not interwoven with lower transverse threads UA, but rather, the binder thread B20 between the successive second upper joining portions OA3 and OA5 between the upper fabric layer 101 and lower fabric layer 102 continuously crosses the three successive upper transverse threads OK21 to OK25 ,
a first upper attachment portion formed by interweaving the other binding thread with an upper transverse thread of the pair is arranged between the successive second upper connecting sections OA3 and OA5 of the binding thread B20.
the first upper connecting section OA4 formed by interweaving the binding thread B19 with the upper transverse thread OK23 is arranged between the two second upper connecting sections OA3 and OA5 of the binding thread B20.
the forming fabric 100 comprises successively arranged first and second upper attachment portions of a binding thread, between which a lower attachment portion of the same binding thread is arranged.
the second upper attachment portion OA3 of the binding thread B20 follows the first binding thread portion OA1 of the binding thread B20, wherein the lower attachment portion UA1 of the binding thread B20 is arranged between the two upper attachment portions OA1 and OA3.
the forming fabric 100 further comprises successive lower attachment portions formed by a binder yarn of the pair, between which the binder yarn is interwoven with an upper transverse yarn to form a first upper attachment portion.
the first upper connection section OA4 of the binding thread B19 is arranged between the two lower attachment sections UA2 and UA3 of the binding thread B19, so that the first upper attachment section arranged between the two second upper attachment sections OA3 and OA5 is held on both sides by the lower attachment sections UA2 and UA3 becomes.
FIGS. 3 a to 3d each show the profile of a pair of binder threads of further exemplary embodiments according to the invention.
first and second upper connecting sections are provided which comprise the same number of upper transverse threads, namely three successive upper transverse threads.
the first upper connecting sections each comprise an upper transverse thread
the second upper connecting sections of each binding thread comprise three and five successive upper transverse threads.
first and second upper connecting sections are provided which comprise the same number of upper transverse threads, namely one upper transverse thread each.
FIGS. 3a-c All embodiments shown in FIGS. 3a-c have a ratio of upper to lower transverse threads of 1: 1.
FIG. 3d The embodiment shown in FIG. 3d is similar to that of FIG. 3b, with the essential difference that it has a ratio of upper to lower transverse threads of 3: 2.

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Woven Fabrics (AREA)
Paper (AREA)
Developing Agents For Electrophotography (AREA)
Storage Of Web-Like Or Filamentary Materials (AREA)
Polishing Bodies And Polishing Tools (AREA)

EP06122409A 2005-11-21 2006-10-17 Tissu pour machine à papier Not-in-force EP1788151B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE102005055785A DE102005055785A1 (de)	2005-11-21	2005-11-21	Papiermaschinensieb

Publications (2)

Publication Number	Publication Date
EP1788151A1 true EP1788151A1 (fr)	2007-05-23
EP1788151B1 EP1788151B1 (fr)	2010-01-06

Family

ID=37671051

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP06122409A Not-in-force EP1788151B1 (fr)	2005-11-21	2006-10-17	Tissu pour machine à papier

Country Status (5)

Country	Link
US (1)	US7575026B2 (fr)
EP (1)	EP1788151B1 (fr)
AT (1)	ATE454494T1 (fr)
DE (2)	DE102005055785A1 (fr)
ES (1)	ES2337078T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102014212306A1 (de) *	2014-06-26	2015-12-31	Voith Patent Gmbh	Bespannung

Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5151316A (en) *	1989-12-04	1992-09-29	Asten Group, Inc.	Multi-layered papermaker's fabric for thru-dryer application
EP0432413B1 (fr)	1989-11-16	1994-06-29	F. Oberdorfer Siebtechnik GmbH	Tissu combiné pour toiles pour machine à papier
EP1000197A1 (fr)	1997-08-01	2000-05-17	Weavexx Corporation	Toile de formation multicouche possedant des paires de fils de piquage integres a la face sur laquelle s'effectue la fabrication de papier
WO2004061211A2 (fr)	2002-12-30	2004-07-22	Albany International Corp.	Tissu a points de liage paralleles a double croisement
US20040149342A1 (en)	2003-01-30	2004-08-05	Brian Troughton	Papermaker's forming fabric
WO2004111333A2 (fr)	2003-06-10	2004-12-23	Voith Fabrics Patent Gmbh	Toiles avec fils interchangeables en paires a segments multiples
US20060169346A1 (en) *	2005-02-01	2006-08-03	Ernest Fahrer	Multiple contour binders in triple layer fabrics

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1207264A (fr)	1982-07-19	1986-07-08	Ghazi Dickakian	Brai derive de la charge en produits de queue d'une unite de craquage catalytique, pouvant etre file directement en fibres de carbone
CA1277209C (fr) *	1986-11-28	1990-12-04	Dale B. Johnson	Faconnage d'un tissu composite
DE3713510A1 (de) *	1987-04-22	1988-11-10	Oberdorfer Fa F	Papiermaschinensieb aus einem doppellagigen gewebe
US4989647A (en) *	1988-04-08	1991-02-05	Huyck Corporaiton	Dual warp forming fabric with a diagonal knuckle pattern
US4909284A (en) *	1988-09-23	1990-03-20	Albany International Corp.	Double layered papermaker's fabric
DE3923938A1 (de) *	1989-07-19	1991-01-31	Oberdorfer Fa F	Formiergewebe fuer die nasspartie einer papiermaschine
US5067526A (en) *	1990-08-06	1991-11-26	Niagara Lockport Industries, Inc.	14 harness dual layer papermaking fabric
DE4302031C1 (de) *	1993-01-26	1993-12-16	Heimbach Gmbh Thomas Josef	Trockensieb sowie Verfahren zu dessen Herstellung
JP3076703B2 (ja) *	1993-09-06	2000-08-14	日本フイルコン株式会社	製紙用経糸一重緯糸二重織物
US5437315A (en) *	1994-03-09	1995-08-01	Huyck Licensco, Inc.	Multilayer forming fabric
US5454405A (en) *	1994-06-02	1995-10-03	Albany International Corp.	Triple layer papermaking fabric including top and bottom weft yarns interwoven with a warp yarn system
US5544678A (en) *	1995-04-14	1996-08-13	Jwi Ltd.	Composite forming fabric woven with an Nx2N machine side layer
GB2391557A (en) *	2002-08-06	2004-02-11	Richard Stone	Forming fabric for papermaking
US6854488B2 (en) *	2002-12-24	2005-02-15	Voith Fabrics Heidenheim Gmbh & Co., Kg	Fabrics with paired, interchanging yarns having discontinuous weave pattern
EP1656480A1 (fr) *	2003-08-13	2006-05-17	Voith Fabrics Patent GmbH	Tissu utilisant un liant/des paires de fils interchangeables superieures
US7007722B2 (en) *	2003-11-17	2006-03-07	Voith Paper Patent Gmbh	Forming fabric
DE102004035523A1 (de) *	2004-07-22	2006-02-09	Voith Fabrics Patent Gmbh	Papiermaschinenbespannung
DE102004035522A1 (de) *	2004-07-22	2006-03-16	Voith Fabrics Patent Gmbh	Papiermaschinenbespannung

2005
- 2005-11-21 DE DE102005055785A patent/DE102005055785A1/de not_active Withdrawn
2006
- 2006-10-17 AT AT06122409T patent/ATE454494T1/de active
- 2006-10-17 DE DE502006005830T patent/DE502006005830D1/de active Active
- 2006-10-17 ES ES06122409T patent/ES2337078T3/es active Active
- 2006-10-17 EP EP06122409A patent/EP1788151B1/fr not_active Not-in-force
- 2006-11-15 US US11/560,033 patent/US7575026B2/en not_active Expired - Fee Related

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0432413B1 (fr)	1989-11-16	1994-06-29	F. Oberdorfer Siebtechnik GmbH	Tissu combiné pour toiles pour machine à papier
US5151316A (en) *	1989-12-04	1992-09-29	Asten Group, Inc.	Multi-layered papermaker's fabric for thru-dryer application
EP1000197A1 (fr)	1997-08-01	2000-05-17	Weavexx Corporation	Toile de formation multicouche possedant des paires de fils de piquage integres a la face sur laquelle s'effectue la fabrication de papier
DE29724238U1 (de)	1997-08-01	2000-08-03	Weavexx Corp., Wake Forest, N.C.	Mehrlagen-Formungsgewebe mit in die Papierherstellungsoberfläche integrierten Heftfadenpaaren
WO2004061211A2 (fr)	2002-12-30	2004-07-22	Albany International Corp.	Tissu a points de liage paralleles a double croisement
US20040149342A1 (en)	2003-01-30	2004-08-05	Brian Troughton	Papermaker's forming fabric
WO2004111333A2 (fr)	2003-06-10	2004-12-23	Voith Fabrics Patent Gmbh	Toiles avec fils interchangeables en paires a segments multiples
US20060169346A1 (en) *	2005-02-01	2006-08-03	Ernest Fahrer	Multiple contour binders in triple layer fabrics

Also Published As

Publication number	Publication date
ATE454494T1 (de)	2010-01-15
US20070113914A1 (en)	2007-05-24
EP1788151B1 (fr)	2010-01-06
US7575026B2 (en)	2009-08-18
DE102005055785A1 (de)	2007-05-24
ES2337078T3 (es)	2010-04-20
DE502006005830D1 (de)	2010-02-25

Publication	Publication Date	Title
DE69519269T2 (de)	2001-06-21	Formiergewebe für die Papierherstellung
EP2470716B1 (fr)	2014-05-14	Toile de formation de feuille
EP1985749B1 (fr)	2011-08-17	Habillage pour une machine a papier
WO2013160391A1 (fr)	2013-10-31	Toile de formage
EP2922995B1 (fr)	2016-04-13	Toile pour machine a papier ayant des flottes de longueur differente sur la face machine
EP2898144B1 (fr)	2016-02-17	Toile de machine a papier
EP2205791B1 (fr)	2011-02-16	Toile de formation
WO2010049304A1 (fr)	2010-05-06	Toile de formation
EP1798335A1 (fr)	2007-06-20	Habillage de machine à papier
EP2129829B1 (fr)	2010-08-11	Bande pour machine a papier
EP1788151B1 (fr)	2010-01-06	Tissu pour machine à papier
DE102004016640B3 (de)	2005-08-11	Sieb, insbesondere Papiermaschinensieb
EP1798336B1 (fr)	2010-06-02	Habillage de machine à papier
EP1754820B1 (fr)	2009-12-02	Tissu pour machine à papier
DE102007058369A1 (de)	2009-06-04	Gewebeband für eine Maschine zur Herstellung von Bahnmaterial, insbesondere Papier oder Karton
EP1619296A2 (fr)	2006-01-25	Toile pour machine à papier
EP1798334B1 (fr)	2010-05-26	Habillage de machine à papier
EP1586696B1 (fr)	2008-11-26	Toile de formation
DE102006016660B3 (de)	2007-06-06	Oberseite, insbesondere Papierseite, sowie Papiermaschinensieb
DE102005041042A1 (de)	2007-03-01	Papiermaschinensieb
DE102011083192A1 (de)	2013-03-28	Papiermaschinensieb
DE102015206287A1 (de)	2016-10-13	Gewebeband
DE202006011572U1 (de)	2006-09-28	Formiersieb

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