EP1294981A1 - Papiermaschinensieb - Google Patents
PapiermaschinensiebInfo
- Publication number
- EP1294981A1 EP1294981A1 EP01938066A EP01938066A EP1294981A1 EP 1294981 A1 EP1294981 A1 EP 1294981A1 EP 01938066 A EP01938066 A EP 01938066A EP 01938066 A EP01938066 A EP 01938066A EP 1294981 A1 EP1294981 A1 EP 1294981A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- threads
- paper
- type
- paper machine
- running side
- 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.)
- Granted
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
-
- 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
- Y10S162/902—Woven fabric for papermaking drier section
-
- 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
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
- Y10T442/3179—Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
- Y10T442/3195—Three-dimensional weave [e.g., x-y-z planes, multi-planar warps and/or wefts, etc.]
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
- Y10T442/3179—Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
- Y10T442/3195—Three-dimensional weave [e.g., x-y-z planes, multi-planar warps and/or wefts, etc.]
- Y10T442/3211—Multi-planar weft layers
Definitions
- the invention relates to a paper machine screen, in particular for the sheet formation zone, with a paper and a running side, formed from at least one type of transverse threads and at least one type of longitudinal threads interwoven therewith, which form at least two different types at intersection points with the formation of repeats , wherein the weave pattern formed from the longitudinal and transverse threads of the paper side is repeated between crossing points of the same type and wherein the longitudinal threads change from the running side to the paper side and vice versa between the two crossing points of the same type and with the formation of the further type at crossing points.
- the sheet formation unit is usually designed as a twin-wire form, in many cases also as a gap former. It is characteristic of the machines that the sheet formation process takes place immediately between two paper machine screens in a relatively short dewatering zone. This short distance and the high production speed reduce the time for sheet formation to a few milliseconds. During this period, the solids content or dry matter content of the fiber suspension can be increased from approximately 1% to approximately 20%. For the paper machine screens, this means that they have a very high drainage capacity but still must not leave any marks in the paper and offer a high level of fiber support.
- the paper machine sieve known in this respect consists of two superimposed sieve fabrics, which are formed at least in one layer and are connected to one another by binding threads running in the transverse and / or longitudinal direction, one of the sieve fabrics as a definition fabric with the mechanical properties of the composite fabric with regard to elongation and rigidity of certain design and the other screen fabric is designed as a reaction fabric with a higher elongation and less stiffness than the definition fabric.
- the screen fabrics mentioned thus consist of warp and weft threads, these being connected to one another by additional binding threads.
- the internal wear is reduced by the formation of the screen fabric layers as reaction or definition fabric and in particular counteracting the wear of the binding threads and thus increasing the service life of the composite fabric and also preventing an unwanted separation of the screen fabric layers in the long term.
- the internal wear of a composite fabric referred to is in particular due to the fact that, with the screen deflections, as occur in the area of guide rollers of the screen section over which the composite fabric is guided, the individual screen fabrics were stretched or compressed to different degrees.
- binding threads mentioned do not belong to the fabric structure, but are independent components, they are kept as thin as possible in diameter so that the drainage is only slightly disturbed. With correspondingly high loads, however, there is then the possibility that the thin binding threads will tear open and the bond between the sieve fabrics will come loose.
- a generic paper machine sieve according to EP 0 432 413 B1 which is also constructed as a composite fabric, it has already been proposed to use binding threads as two intrinsic threads and to weave them into the other fabric layer to form the X-shaped crossing points to avoid the disadvantages described in the prior art; just by the accumulation of the known exchange points in the transverse direction, the known fabric is also unintentionally stiffened.
- the object of the invention is to further improve paper machine screens of the aforementioned type in such a way that they have a longer service life in paper production and, on the other hand, they can be implemented inexpensively.
- a paper machine screen with the features of claim 1 solves this problem.
- the changing of the longitudinal threads takes place with the formation of the further type at crossing points within the respective repeat of the running side and that.
- the transverse threads of the running side are held by at least two longitudinal threads, maximum paper-side fiber support is achieved with little marking of the upper side / since a uniform distribution of the change or crossing points is achieved.
- there is a layer tie in the longitudinal direction with all threads unintentional layer separation is avoided with a high degree of certainty.
- FIG. 1 shows a detail of a side view of the paper machine screen according to the invention
- FIG. 2 shows a plan view of the running side of the screen according to FIG. 1 along the line I - I;
- Fig. 3 is a bottom view of the running side of the machine screen according to Fig.1.
- the figures partially show a screen fabric designated as a whole as 10 for a paper machine screen, not shown as a whole, which can be used in particular for the so-called sheet formation zone in conventional paper making machines.
- the screen fabric 10 has a paper side 12 and a running side 14.
- the relevant paper side 12 and the running side 14 are formed from two different types of transverse threads 16, 18 and at least one type with these interwoven longitudinal threads 20.
- the transverse threads 16, 18 form with the longitudinal threads 20 interwoven with them, both in the longitudinal direction and in the transverse direction on the screen fabric 10, 8-strand repeats A to H, which in this repeat pattern form Repeat lengthways and crossways accordingly.
- a longitudinal thread 20, as shown in FIG. 1 runs at a crossing point 22 of the same type in one direction, for example with a positive slope, and with a negative slope with respect to the crossing point of the other type, here 24.
- the weave pattern, formed from the longitudinal threads 20 and transverse threads 16 on the paper side 12, is repeated between intersection points 22 of the same type, with the same type and between the two intersection points 22 and the formation of the further or different type Crossing points 24 change the longitudinal threads 20 from the running side 14 to the paper side 12 and vice versa.
- the longitudinal threads 20 are thus changed, in contrast to the prior art, with the formation of the further type at intersection points 24 within the respective repeat A to H of the running side 14 of the screen fabric 10.
- the transverse threads 18 of the running side 14 are held by at least two longitudinal threads 20.
- the thread diameter which can thus be installed on the running side 14, can thus be doubled in cross-section compared to the paper side 16.
- the permeability of the screen fabric 10 is increased and the drainage properties are significantly improved as a result of the “open” running side 14 achieved.
- the screen fabric 10 according to the invention has a largely homogeneous weave pattern and a secure, equivalent bond is achieved in every direction of the fabric.
- the weave pattern on the paper side 12 consists of a conventional plain weave, the plain weave, which runs between points of intersection of the one kind 22, and the immediately following other type 24, formed 8- strand. Furthermore, it is provided that the running side. 14 within each pattern repeat a through H 8-strand in both R considered considered.
- the respective longitudinal threads 20, which support the transverse threads 18 of the running side 14 on their outer side 26 facing away from the paper side 12, are arranged adjacent to one another at least once in pairs (cf. FIG. 3).
- the crossing points of one type 22 on the running side 14 are supported by two transverse threads 18 and the crossing point of the other type 24 by four transverse threads 18 on the running side 14, these supporting transverse threads 18 essentially being in one common plane are arranged lying on the outside 26 of the running side 14.
- the respective longitudinal threads 20, which delimit the transverse threads 18 of the running side 14 on their side 28 facing the paper side 12 are grouped in pairs next to one another, with up to three groups in the immediately adjacent system within a repeat A to H can be present (cf. transverse thread 18D in FIG. 2).
- transverse thread 18D in FIG. 2
- the unified connection of the paper side 12 and the running side 14 results in a unified fabric and no longer, as in the prior art, a composite fabric made of individual fabrics which can be separated from one another.
- the paper machine screen is nevertheless constructed in several layers and could also be expanded accordingly with fabric layers in the sense of a composite fabric.
Landscapes
- Paper (AREA)
- Photographic Developing Apparatuses (AREA)
- Developing Agents For Electrophotography (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10030650A DE10030650C1 (de) | 2000-06-29 | 2000-06-29 | Papiermaschinensieb |
DE10030650 | 2000-06-29 | ||
PCT/EP2001/003574 WO2002000996A1 (de) | 2000-06-29 | 2001-03-29 | Papiermaschinensieb |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1294981A1 true EP1294981A1 (de) | 2003-03-26 |
EP1294981B1 EP1294981B1 (de) | 2004-09-22 |
EP1294981B2 EP1294981B2 (de) | 2014-09-03 |
Family
ID=7646563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01938066.6A Expired - Lifetime EP1294981B2 (de) | 2000-06-29 | 2001-03-29 | Papiermaschinensieb |
Country Status (7)
Country | Link |
---|---|
US (1) | US7048829B2 (de) |
EP (1) | EP1294981B2 (de) |
AT (1) | ATE277223T1 (de) |
DE (2) | DE10030650C1 (de) |
ES (1) | ES2228873T5 (de) |
PT (1) | PT1294981E (de) |
WO (1) | WO2002000996A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1798335A1 (de) | 2005-12-16 | 2007-06-20 | Voith Patent GmbH | Papiermaschinenbespannung |
US7431802B2 (en) | 2005-06-22 | 2008-10-07 | Voith Paper Patent Gmbh | Compound paper making fabric |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20202028U1 (de) | 2002-02-11 | 2002-06-13 | Wangner Finckh GmbH & Co. KG, 72760 Reutlingen | Mehrlagiges Gewebe für eine Papiermaschinenbespannung |
GB2391557A (en) | 2002-08-06 | 2004-02-11 | Richard Stone | Forming fabric for papermaking |
US7048012B2 (en) | 2002-10-24 | 2006-05-23 | Albany International Corp. | Paired warp triple layer forming fabrics with optimum sheet building characteristics |
US6834684B2 (en) | 2002-10-24 | 2004-12-28 | Albany International Corp. | Paired warp triple layer forming fabrics with optimum sheet building characteristics |
DE10253491B3 (de) * | 2002-11-16 | 2004-05-13 | Andreas Kufferath Gmbh & Co. Kg | Papiermaschinensieb |
US6860969B2 (en) * | 2003-01-30 | 2005-03-01 | Weavexx Corporation | Papermaker's forming fabric |
US6902652B2 (en) | 2003-05-09 | 2005-06-07 | Albany International Corp. | Multi-layer papermaker's fabrics with packing yarns |
US7059359B2 (en) * | 2003-05-22 | 2006-06-13 | Voith Fabrics | Warp bound composite papermaking fabric |
DE102004016640B3 (de) * | 2004-03-30 | 2005-08-11 | Andreas Kufferath Gmbh & Co. Kg | Sieb, insbesondere Papiermaschinensieb |
AU2005289319B2 (en) | 2004-09-30 | 2009-07-16 | Astenjohnson, Inc. | Double layer forming fabric with high centre plane resistance |
GB2418675A (en) * | 2004-09-30 | 2006-04-05 | Dale Bernard Johnson | Papermaking fabric |
US7059360B1 (en) * | 2005-03-03 | 2006-06-13 | Albany International Corp. | Double layer forming fabric with paired warp binder yarns |
DE102005034453A1 (de) | 2005-07-23 | 2007-01-25 | Voith Patent Gmbh | Verfahren zur Herstellung eines Papiermaschinensiebes |
US7357155B2 (en) * | 2005-12-29 | 2008-04-15 | Albany International Corp. | Different contour paired binders in multi-layer fabrics |
DE102006001388A1 (de) * | 2006-01-11 | 2007-07-12 | Andreas Kufferath Gmbh & Co. Kg | Papiermaschinensieb |
DE102006016660C5 (de) * | 2006-04-08 | 2009-09-03 | Andreas Kufferath Gmbh & Co Kg | Oberseite, insbesondere Papierseite, sowie Papiermaschinensieb |
US7537534B2 (en) | 2006-05-15 | 2009-05-26 | Ford Global Technologies, Llc | Hybrid electric drive system for a motor vehicle |
US7604025B2 (en) * | 2006-12-22 | 2009-10-20 | Voith Patent Gmbh | Forming fabric having offset binding warps |
US7743795B2 (en) * | 2006-12-22 | 2010-06-29 | Voith Patent Gmbh | Forming fabric having binding weft yarns |
WO2009018274A1 (en) * | 2007-07-30 | 2009-02-05 | Astenjohnson, Inc. | Warp-tied forming fabric with selective warp pair ordering |
US7879194B2 (en) * | 2007-09-06 | 2011-02-01 | Voith Patent Gmbh | Structured forming fabric and method |
US7879195B2 (en) * | 2007-09-06 | 2011-02-01 | Voith Patent Gmbh | Structured forming fabric and method |
US7879193B2 (en) | 2007-09-06 | 2011-02-01 | Voith Patent Gmbh | Structured forming fabric and method |
US7861747B2 (en) | 2008-02-19 | 2011-01-04 | Voith Patent Gmbh | Forming fabric having exchanging and/or binding warp yarns |
US7878224B2 (en) | 2008-02-19 | 2011-02-01 | Voith Patent Gmbh | Forming fabric having binding warp yarns |
US8002950B2 (en) * | 2008-06-11 | 2011-08-23 | Voith Patent Gmbh | Structured fabric for papermaking and method |
US8251103B2 (en) | 2009-11-04 | 2012-08-28 | Weavexx Corporation | Papermaker's forming fabric with engineered drainage channels |
DE102010017055A1 (de) | 2010-05-21 | 2011-11-24 | Andritz Technology And Asset Management Gmbh | Blattbildungssieb |
DE102017007127A1 (de) * | 2017-07-31 | 2019-01-31 | Gkd - Gebr. Kufferath Ag | Filtergewebe und Verwendung eines Filtergewebes |
US11339534B2 (en) | 2019-09-18 | 2022-05-24 | Huyck Licensco Inc. | Multi-layer warp bound papermaker's forming fabrics |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE441016B (sv) † | 1982-04-26 | 1985-09-02 | Nordiskafilt Ab | Formeringsvira for pappers-, cellulosa- eller liknande maskiner |
DE3615304A1 (de) * | 1986-05-06 | 1987-11-12 | Wangner Gmbh Co Kg Hermann | Bespannung fuer den blattbildungsteil einer papiermaschine |
US4709732A (en) † | 1986-05-13 | 1987-12-01 | Huyck Corporation | Fourteen harness dual layer weave |
DE3713510A1 (de) † | 1987-04-22 | 1988-11-10 | Oberdorfer Fa F | Papiermaschinensieb aus einem doppellagigen gewebe |
DE3923938A1 (de) * | 1989-07-19 | 1991-01-31 | Oberdorfer Fa F | Formiergewebe fuer die nasspartie einer papiermaschine |
DE3938159A1 (de) * | 1989-11-16 | 1991-05-23 | Oberdorfer Fa F | Verbundgewebe fuer papiermaschinensiebe |
DE4229828C2 (de) * | 1992-09-07 | 1996-07-04 | Kufferath Andreas Gmbh | Papiermaschinensieb in Form eines Verbundgewebes |
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 |
GB9604602D0 (en) † | 1996-03-04 | 1996-05-01 | Jwi Ltd | Composite papermaking fabric with paired weft binder yarns |
US5865219A (en) † | 1997-07-31 | 1999-02-02 | Asten, Inc. | Double layer papermaking fabric having a high stability weave |
US5967195A (en) † | 1997-08-01 | 1999-10-19 | Weavexx Corporation | Multi-layer forming fabric with stitching yarn pairs integrated into papermaking surface |
US5881764A (en) * | 1997-08-01 | 1999-03-16 | Weavexx Corporation | Multi-layer forming fabric with stitching yarn pairs integrated into papermaking surface |
US6334467B1 (en) * | 1999-12-08 | 2002-01-01 | Astenjohnson, Inc. | Forming fabric |
-
2000
- 2000-06-29 DE DE10030650A patent/DE10030650C1/de not_active Expired - Lifetime
-
2001
- 2001-03-29 DE DE50103778T patent/DE50103778D1/de not_active Expired - Lifetime
- 2001-03-29 PT PT01938066T patent/PT1294981E/pt unknown
- 2001-03-29 EP EP01938066.6A patent/EP1294981B2/de not_active Expired - Lifetime
- 2001-03-29 AT AT01938066T patent/ATE277223T1/de active
- 2001-03-29 ES ES01938066.6T patent/ES2228873T5/es not_active Expired - Lifetime
- 2001-03-29 WO PCT/EP2001/003574 patent/WO2002000996A1/de active IP Right Grant
- 2001-03-29 US US10/312,446 patent/US7048829B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO0200996A1 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7431802B2 (en) | 2005-06-22 | 2008-10-07 | Voith Paper Patent Gmbh | Compound paper making fabric |
EP1798335A1 (de) | 2005-12-16 | 2007-06-20 | Voith Patent GmbH | Papiermaschinenbespannung |
US7503351B2 (en) | 2005-12-16 | 2009-03-17 | Voith Patent Gmbh | Paper machine covering |
Also Published As
Publication number | Publication date |
---|---|
WO2002000996A1 (de) | 2002-01-03 |
ES2228873T5 (es) | 2014-09-30 |
PT1294981E (pt) | 2005-01-31 |
ES2228873T3 (es) | 2005-04-16 |
EP1294981B1 (de) | 2004-09-22 |
US7048829B2 (en) | 2006-05-23 |
EP1294981B2 (de) | 2014-09-03 |
DE50103778D1 (de) | 2004-10-28 |
ATE277223T1 (de) | 2004-10-15 |
US20040020621A1 (en) | 2004-02-05 |
DE10030650C1 (de) | 2002-05-29 |
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