EP0889160B1 - Screencloth for papermaking machine - Google Patents

Screencloth for papermaking machine Download PDF

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Publication number
EP0889160B1
EP0889160B1 EP97110950A EP97110950A EP0889160B1 EP 0889160 B1 EP0889160 B1 EP 0889160B1 EP 97110950 A EP97110950 A EP 97110950A EP 97110950 A EP97110950 A EP 97110950A EP 0889160 B1 EP0889160 B1 EP 0889160B1
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EP
European Patent Office
Prior art keywords
threads
paper machine
warp threads
fabric
machine screen
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.)
Revoked
Application number
EP97110950A
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German (de)
French (fr)
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EP0889160A1 (en
Inventor
Heinz Dr. Odenthal
Wolfgang Dr. Heger
Klaus Fichter
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Andritz Technology and Asset Management GmbH
Original Assignee
Andreas Kufferath GmbH and Co KG
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Priority to DE59709274T priority Critical patent/DE59709274D1/en
Priority to ES97110950T priority patent/ES2192240T3/en
Priority to PT97110950T priority patent/PT889160E/en
Priority to AT97110950T priority patent/ATE232254T1/en
Priority to EP97110950A priority patent/EP0889160B1/en
Application filed by Andreas Kufferath GmbH and Co KG filed Critical Andreas Kufferath GmbH and Co KG
Priority to DE29807274U priority patent/DE29807274U1/en
Publication of EP0889160A1 publication Critical patent/EP0889160A1/en
Publication of EP0889160B1 publication Critical patent/EP0889160B1/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00Wet end of machines for making continuous webs of paper
    • D21F1/0027Screen-cloths
    • D21F1/0036Multi-layer screen-cloths

Definitions

  • the invention relates to a paper machine screen designed as a composite fabric the features of the preamble of claim 1.
  • the so-called Gap or gap formers are clearly implemented in the sheet formation area.
  • the paper machine becomes in the sheet formation area from the headbox exiting jet of paper fiber suspension into the gap between two converging seven pumped and drained over the shortest distance.
  • the screens and drainage elements of the screen section is on one Drainage section between 0.5 and a maximum of 5 m through the headbox freeze the defined formation of the paper sheet and the Increase the dry content of the paper sheet from approx. 0.5% to values around 15%.
  • EP-A-0 010 311 describes a generic paper machine screen in the Training known as composite fabric. This means that in the known solution the upper warp threads that form the binding threads are given to the paper machine screen Properties in relation to drainage that are normally only found in single-layer screens occur. While in other known solutions the binding threads in Fill the sieve volume in open spaces and thus the rapid drainage of the water interfere with the paper web, these open solutions are available in the generic screen solution Rooms for quick drainage are available. Despite this beneficial A possible delamination of the known tissue can be designed due to the high alternating bending loads on the sieve when circulating in the Do not completely exclude the paper machine.
  • the invention is based on the object to further improve a paper machine screen of the generic type so that a unwanted delamination of the tissue is avoided with a high degree of certainty.
  • Warp threads are guided in pairs, there is an advantageous protection of the upper Warp threads while increasing the strength of the connection, so that a Delamination of the fabric due to the high bending stress on the screen in circulation in the paper machine is excluded.
  • the subject of the invention ideally combines the properties of a single-layer screen, which shows very good drainage properties, with a multi-layer sieve that meets the required stability criteria, based on a Composite tissue.
  • a composite tissue Under the well-known mesh construction form the Composite fabrics under the aspect that you can sieves of the same length and Cross thread count compared with comparable thread diameters, the class of Fabrics that have the highest longitudinal and lateral stability.
  • top warps and bottom warps match while the number of top wefts is twice as large the number of lower wefts. But there are other thread densities in the Fabric layers and weaving directions possible.
  • Another advantageous measure for Avoiding disturbances in the drainage characteristics and smoothness of the It is the upper fabric, the upper warp thread at those points on the lower fabric tie, where it is floating on the underside of the upper fabric becomes.
  • a paper machine screen formed as a composite fabric consists of a Upper fabric 1 and a lower fabric 2.
  • the upper fabric 1 has several upper Warp threads 3 in the longitudinal direction of the paper machine screen and several upper ones Weft threads 5 in the transverse direction of the paper machine screen.
  • the warp threads 3 float across several, preferably three wefts 5.
  • the lower fabric 2 consists of several lower weft threads 6 running in the transverse direction of the sieve as well as several lower warp threads running in the longitudinal direction of the sieve 8.
  • the number the upper warp threads 3 corresponds to the number of lower warp threads 8, while twice as many upper wefts 5 as lower wefts 6 are present.
  • the upper wefts 5 are smaller in diameter than the lower wefts 6th
  • the top of the upper fabric 1 forms the sheet formation side of the Paper machine screen, while the bottom of the upper fabric 1 the top of the lower fabric 2 is facing.
  • the underside of the lower fabric 2 in turn forms the running side of the paper machine screen.
  • the lower warp threads 8 are guided in pairs in parallel. At the connection points an upper warp thread 3 to a lower weft thread 6 is one each Pair of lower warp threads 8 in the same direction as the upper warp thread 3 cranked around the lower weft 6.
  • the upper warp thread 3 is between the pair of lower warp threads 8 are pinched. Especially if the Diameter of the upper warp thread 3 is less than the diameter of the lower warp threads 8, the upper warp thread 3 is optimally against this shielded the abrasion on the barrel side.
  • the upper warp threads 3 are arranged in groups so that only every fourth connects the upper warp thread 3 to the lower fabric 2. Part of the mesh of the upper fabric 1 is therefore not by the threads 6, 8 of the lower fabric 2 shaded when viewed vertically.

Landscapes

  • Paper (AREA)
  • Filtration Of Liquid (AREA)
  • Filtering Materials (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Photographic Developing Apparatuses (AREA)
  • Woven Fabrics (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

A paper machine wire is a fabric assembly comprising a top fabric (1) that consists of top warp ends (3) and top picks (5), and a bottom fabric (2) that consists of bottom warp ends (8) and bottom picks (6). The number of top picks (5) is twice that of bottom picks (6). The bottom warp ends (8) are guided in pairs while the top warp ends (3) are clamped at the joining points between the bottom ones (8).

Description

Die Erfindung betrifft ein als Verbundgewebe ausgebildetes Papiermaschinensieb mit den Merkmalen des Oberbegriffs des Anspruches 1.The invention relates to a paper machine screen designed as a composite fabric the features of the preamble of claim 1.

Im modernen Papiermaschinenbau hat sich in den letzten Jahren der sogenannte Gap- oder Spaltformer im Blattbildungsbereich eindeutig durchgesetzt. In diesem Typ der Papiermaschine wird im Blattbildungsbereich der aus dem Stoffauflauf austretende Strahl der Papierfasersuspension in den Spalt zwischen zwei zusammenlaufenden Sieben gepumpt und auf kürzester Strecke entwässert. Aufgabe der Siebe und Entwässerungselemente der Siebpartie ist es, auf einer Entwässerungsstrecke die zwischen 0,5 und maximal 5 m die durch den Stoffauflauf definierte Formation des Papierblattes störungsfrei einzufrieren und den Trockengehalt des Papierblattes von ca. 0,5% auf Werte um die 15% zu steigern.In modern paper machine construction, the so-called Gap or gap formers are clearly implemented in the sheet formation area. In this guy the paper machine becomes in the sheet formation area from the headbox exiting jet of paper fiber suspension into the gap between two converging seven pumped and drained over the shortest distance. task the screens and drainage elements of the screen section is on one Drainage section between 0.5 and a maximum of 5 m through the headbox freeze the defined formation of the paper sheet and the Increase the dry content of the paper sheet from approx. 0.5% to values around 15%.

Aufgrund der extrem kurzen Entwässerungsstrecke ist für ein Entwässerungssieb an diesen Siebpositionen eine hohe Offenheit notwendig, die den ungehinderten Durchtritt des Wassers sicherstellt, um den Ansprüchen dieser Position gerecht zu werden. Gleichzeitig wird eine feinmaschige ebene Sieboberfläche notwendig, damit keine Markierung auftritt und eine hohe Faserretention sichergestellt wird. Der mit einem Überdruck von mehreren Bar austretende Stoffstrahl erfordert ein Sieb mit höchster Längs- und Querstabilität zur Erzeugung einer homogenen Papierbahn. Die hohen Maschinengeschwindigkeiten bis zu 2000 m/min in Verbindung mit den Siebumlenkungen über den Walzen in der Siebpartie verlangen ein Siebgewebe mit geringer Wasserspeicherkapazität, damit das durch die Zentrifugalkräfte aus dem Sieb herausgeschleuderte Wasser, welches zu einem die Produktion störenden Wassernebel formiert, auf ein Minimum beschränkt wird.Due to the extremely short drainage section, a drainage screen is recommended These sieve positions require a high degree of openness, which the unhindered Ensures passage of water to meet the demands of this position become. At the same time, a fine-meshed, flat screen surface is necessary no marking occurs and a high fiber retention is ensured. The one with A jet of material escaping an overpressure of several bars requires a sieve maximum longitudinal and lateral stability to create a homogeneous paper web. The high machine speeds up to 2000 m / min in connection with the Screen deflections above the rollers in the screen section require a screen fabric low water storage capacity, so that the centrifugal forces from the sieve thrown out water, which becomes a disturbing the production Water mist is formed, is kept to a minimum.

Diese Anforderungen an die Siebbespannung können mit den bekannten Gewebetypen nur unvollständig erfüllt werden. Aus der DE 33 05 713 C1 ist beispielsweise ein Papiermaschinensieb der eingangs genannten Art bekannt, bei dem das Obergewebe und das Untergewebe durch Bindekett- und Bindeschußfäden miteinander verbunden sind. Dieses bekannte Papiermaschinensieb kann zwar die geforderten Stabilitätskriterien erfüllen, jedoch reichen seine Entwässerungseigenschaften nicht aus.These requirements for the fabric can be met with the known Tissue types can only be met incompletely. From DE 33 05 713 C1 For example, a paper machine screen of the type mentioned is known in which the upper fabric and the lower fabric by binding warp and weft threads are interconnected. This known paper machine screen can indeed meet the required stability criteria, but its are sufficient Drainage properties do not rule out.

Durch die EP-A-0 010 311 ist ein gattungsgemäßes Papiermaschinensieb in der Ausbildung als Verbundgewebe bekannt. Dadurch das bei der bekannten Lösung die oberen Kettfäden die Bindefäden bilden, erhält das Papiermaschinensieb Eigenschaften in Bezug auf die Entwässerung wie sie sonst nur bei einlagigen Sieben auftreten. Während bei anderen bekannten Lösungen die Bindefäden im Siebvolumen offene Räume füllen und damit den schnellen Abfluß des Wassers aus der Papierbahn stören, stehen bei der gattungsgemäßen Sieblösung diese offenen Räume für eine schnelle Entwässerung zur Verfügung. Trotz dieser vorteilhaften Ausgestaltung läßt sich eine mögliche Delaminierung des bekannten Gewebes aufgrund der hohen Biegewechselbelastungen des Siebes beim Umlauf in der Papiermaschine nicht vollständig ausschließen.EP-A-0 010 311 describes a generic paper machine screen in the Training known as composite fabric. This means that in the known solution the upper warp threads that form the binding threads are given to the paper machine screen Properties in relation to drainage that are normally only found in single-layer screens occur. While in other known solutions the binding threads in Fill the sieve volume in open spaces and thus the rapid drainage of the water interfere with the paper web, these open solutions are available in the generic screen solution Rooms for quick drainage are available. Despite this beneficial A possible delamination of the known tissue can be designed due to the high alternating bending loads on the sieve when circulating in the Do not completely exclude the paper machine.

Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, ein Papiermaschinensieb der gattungsgemäßen Art so weiter zu verbessern, daß eine ungewollte Delaminierung der Gewebe mit hoher Sicherheit vermieden ist. Eine dahingehende Aufgabe löst ein Papiermaschinensieb mit den Merkmalen des Patentanspruches 1 in seiner Gesamtheit. Starting from this prior art, the invention is based on the object to further improve a paper machine screen of the generic type so that a unwanted delamination of the tissue is avoided with a high degree of certainty. A a paper machine screen with the features of Claim 1 in its entirety.

Dadurch das gemäß dem kennzeichnenden Teil des Patentanspruches 1 die unteren Kettfäden paarweise geführt sind, ergibt sich ein vorteilhafter Schutz der oberen Kettfäden bei gleichzeitiger Erhöhung der Festigkeit der Verbindung, so daß eine Delaminierung der Gewebe aufgrund der hohen Biegewechselbelastung des Siebes beim Umlauf in der Papiermaschine ausgeschlossen ist.As a result, the lower according to the characterizing part of claim 1 Warp threads are guided in pairs, there is an advantageous protection of the upper Warp threads while increasing the strength of the connection, so that a Delamination of the fabric due to the high bending stress on the screen in circulation in the paper machine is excluded.

Da die bekannten Bindefäden zur Vermeidung von Störungen im Obergewebe wesentlich dünner als die anderen Fäden ausgeführt sind, wird ferner durch die erfindungsgemäße Ausbildung mit in der Regel dickeren oberen Kettfäden die Festigkeit der Verbindung zwischen dem Obergewebe und dem Untergewebe verbessert. Schließlich vereinfacht sich durch den Wegfall der gesonderten Bindefäden auch der Herstellungsprozeß, und zwar sowohl beim Rüsten der Webmaschine als auch bei Weben.Since the known binding threads to avoid disturbances in the upper fabric are made much thinner than the other threads, is furthermore by the Training according to the invention with generally thicker upper warp threads Strength of the connection between the upper fabric and the lower fabric improved. Finally, by eliminating the separate Twine also the manufacturing process, both when setting up the Weaving machine as well as weaving.

Der Gegenstand der Erfindung kombiniert in idealerweise die Eigenschaften eines einlagigen Siebes, welches sehr gute Entwässerungseigenschaften zeigt, mit einem mehrlagigen Sieb, das die geforderten Stabilitätskriterien erfüllt, auf der Basis eines Verbundgewebes. Unter der bekannten Siebgewebekonstruktion bilden die Verbundgewebe unter dem Aspekt, daß man die Siebe gleicher Längs- und Querfadenzahl mit vergleichbaren Fadendurchmessem vergleicht, die Klasse von Geweben, die höchste Längs- und Querstabilität aufweisen.The subject of the invention ideally combines the properties of a single-layer screen, which shows very good drainage properties, with a multi-layer sieve that meets the required stability criteria, based on a Composite tissue. Under the well-known mesh construction form the Composite fabrics under the aspect that you can sieves of the same length and Cross thread count compared with comparable thread diameters, the class of Fabrics that have the highest longitudinal and lateral stability.

Zur Vermeidung von Störungen der Entwässerungscharakteristik des Obergewebes ist es von Vorteil, wenn die Anzahl der oberen Kettfäden und der unteren Kettfäden übereinstimmt während die Anzahl der oberen Schußfäden doppelt so groß ist wie die Anzahl der unteren Schußfäden. Es sind aber auch andere Fadendichten in den Gewebelagen und Webrichtungen möglich. Eine weitere vorteilhafte Maßnahme zur Vermeidung von Störungen der Entwässerungscharakteristik und der Glattheit des Obergewebes ist es, den oberen Kettfaden an denjenigen Stellen an das Untergewebe anzubinden, an denen er auf der Unterseite des Obergewebes flottierend geführt wird. To avoid disturbances in the drainage characteristics of the upper fabric it is beneficial if the number of top warps and bottom warps matches while the number of top wefts is twice as large the number of lower wefts. But there are other thread densities in the Fabric layers and weaving directions possible. Another advantageous measure for Avoiding disturbances in the drainage characteristics and smoothness of the It is the upper fabric, the upper warp thread at those points on the lower fabric tie, where it is floating on the underside of the upper fabric becomes.

Ein vorteilhaftes Abriebverhalten und damit eine längere Lebensdauer des Siebes bei gleichzeitiger Glattheit des Obergewebes und Stabilität des Untergewebes ergibt sich, wenn die Durchmesser der Fäden des Untergewebes größer sind als die Durchmesser der korrespondierenden Fäden des Obergewebes. Es sind aber auch alle Kombinationen anderer Durchmesserverhältnisse möglich. Ferner ist es vorteilhaft zur Erhöhung der Festigkeit die oberen Kettfäden an den Abbindungspunkten zwischen die paarweise geführten unteren Kettfäden einzuklemmen.An advantageous abrasion behavior and thus a longer service life of the screen simultaneous smoothness of the upper fabric and stability of the lower fabric results, if the diameter of the threads of the lower fabric is larger than the diameter the corresponding threads of the upper fabric. But they are all too Combinations of other diameter ratios possible. It is also advantageous for Increase the strength of the upper warp threads at the tie points between pinch the lower warp threads in pairs.

Im folgenden ist die Erfindung anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. Es zeigen

Fig. 1
einen Schnitt durch das Ausführungsbeispiel in Kettrichtung,
Fig. 2
einen Ausschnitt der Oberseite des Ausführungsbeispiels,
Fig. 3
einen Ausschnitt der Unterseite des Ausführungsbeispiels.
The invention is explained in more detail below with reference to an embodiment shown in the drawing. Show it
Fig. 1
3 shows a section through the exemplary embodiment in the warp direction,
Fig. 2
a section of the top of the embodiment,
Fig. 3
a section of the underside of the embodiment.

Ein als Verbundgewebe ausgebildetes Papiermaschinensieb besteht aus einem Obergewebe 1 und einem Untergewebe 2. Das Obergewebe 1 weist mehrere obere Kettfäden 3 in Längsrichtung des Papiermaschinensiebes sowie mehrere obere Schußfäden 5 in Querrichtung des Papiermaschinensiebes auf. Die Kettfäden 3 flottieren über mehrere, vorzugsweise drei Schußfäden 5 hinweg. Das Untergewebe 2 besteht aus mehreren in Siebquerrichtung verlaufenden unteren Schußfäden 6 sowie mehreren in Sieblängsrichtung verlaufenden unteren Kettfäden 8. Die Anzahl der oberen Kettfäden 3 entspricht der Anzahl der unteren Kettfäden 8, während doppelt soviele obere Schußfäden 5 wie untere Schußfäden 6 vorhanden sind. Die oberen Schußfäden 5 sind von geringerem Durchmesser als die unteren Schußfäden 6.A paper machine screen formed as a composite fabric consists of a Upper fabric 1 and a lower fabric 2. The upper fabric 1 has several upper Warp threads 3 in the longitudinal direction of the paper machine screen and several upper ones Weft threads 5 in the transverse direction of the paper machine screen. The warp threads 3 float across several, preferably three wefts 5. The lower fabric 2 consists of several lower weft threads 6 running in the transverse direction of the sieve as well as several lower warp threads running in the longitudinal direction of the sieve 8. The number the upper warp threads 3 corresponds to the number of lower warp threads 8, while twice as many upper wefts 5 as lower wefts 6 are present. The upper wefts 5 are smaller in diameter than the lower wefts 6th

Die Oberseite des Obergewebes 1 bildet die Blattbildungsseite des Papiermaschinensiebes, während die Unterseite des Obergewebes 1 der Oberseite des Untergewebes 2 zugewandt ist. Die Unterseite des Untergewebes 2 wiederum bildet die Laufseite des Papiermaschinensiebes.The top of the upper fabric 1 forms the sheet formation side of the Paper machine screen, while the bottom of the upper fabric 1 the top of the lower fabric 2 is facing. The underside of the lower fabric 2 in turn forms the running side of the paper machine screen.

In jeden zweiten Bereich, in dem der obere Kettfaden 3 auf der Unterseite des Obergewebes 1 flottiert, d.h. auf der Unterseite der oberen Schußfäden 5 flottiert, ist der Kettfaden 3 bis zum Untergewebe 2 geführt und um einen unteren Schußfaden 6 gekröpft. Dadurch sind das Obergewebe 1 und das Untergewebe 2 miteinander verbunden.In every second area in which the upper warp thread 3 on the underside of the Upper fabric 1 floated, i.e. on the underside of the top wefts 5 floated, the warp thread 3 is guided to the lower fabric 2 and around one lower weft 6 cranked. As a result, the upper fabric 1 and Lower fabric 2 joined together.

Die unteren Kettfäden 8 sind paarweise parallel geführt. An den Anbindungspunkten eines oberen Kettfadens 3 an einen unteren Schußfaden 6 ist je ein Paar von unteren Kettfäden 8 in gleicher Richtung wie der obere Kettfaden 3 um den unteren Schußfaden 6 gekröpft. Dabei ist der obere Kettfaden 3 zwischen das Paar von unteren Kettfäden 8 eingeklemmt. Insbesondere, wenn der Durchmesser des oberen Kettfadens 3 geringer ist als der Durchmesser der unteren Kettfäden 8, wird der obere Kettfaden 3 auf diese Weise optimal gegen den laufseitigen Abrieb abgeschirmt.The lower warp threads 8 are guided in pairs in parallel. At the connection points an upper warp thread 3 to a lower weft thread 6 is one each Pair of lower warp threads 8 in the same direction as the upper warp thread 3 cranked around the lower weft 6. The upper warp thread 3 is between the pair of lower warp threads 8 are pinched. Especially if the Diameter of the upper warp thread 3 is less than the diameter of the lower warp threads 8, the upper warp thread 3 is optimally against this shielded the abrasion on the barrel side.

Die oberen Kettfäden 3 sind in Gruppen so angeordnet, daß nur jeder vierte obere Kettfaden 3 an das Untergewebe 2 anbindet. Ein Teil der Gewebemaschen des Obergewebes 1 wird daher nicht durch die Fäden 6, 8 des Untergewebes 2 bei senkrechter Durchsicht abgeschattet.The upper warp threads 3 are arranged in groups so that only every fourth connects the upper warp thread 3 to the lower fabric 2. Part of the mesh of the upper fabric 1 is therefore not by the threads 6, 8 of the lower fabric 2 shaded when viewed vertically.

Claims (8)

  1. Paper machine screen in the form of a composite cloth, having a top cloth (1) of upper warp threads (3) and upper weft threads (5) and having a back cloth (2) of lower warp threads (8) and lower weft threads (6), in which the top cloth (1) and the back cloth (2) are joined to one another by means of binding threads (3), wherein upper warp threads (3) form the binding threads, characterised in that the lower warp threads (8) are guided in pairs.
  2. Paper machine screen according to claim 1, characterised in that the upper warp threads (3) tie to lower weft threads (6).
  3. Paper machine screen according to claim 1 or 2, characterised in that the number of upper warp threads (3) corresponds to the number of lower warp threads (8).
  4. Paper machine screen according to any one of claims 1 to 3, characterised in that the number of upper weft threads (5) is twice the number of lower weft threads (6).
  5. Paper machine screen according to any one of claims 1 to 4, characterised in that the upper warp threads (3) tie to the back cloth (2) from those regions in which they are guided floating on the underside of the top cloth (1).
  6. Paper machine screen according to any one of claims 1 to 5, characterised in that the upper warp threads (3) at the interlacing points to the back cloth (2) are gripped between the lower warp threads (8) guided in pairs.
  7. Paper machine screen according to any one of claims 1 to 6, characterised in that the upper warp threads (3) have a smaller diameter that the lower warp threads (8).
  8. Paper machine screen according to any one of claims 1 to 7, characterised in that the upper weft threads (5) have a different diameter from the lower weft threads (6).
EP97110950A 1997-07-02 1997-07-02 Screencloth for papermaking machine Revoked EP0889160B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
ES97110950T ES2192240T3 (en) 1997-07-02 1997-07-02 SIZE FOR PAPER MACHINE.
PT97110950T PT889160E (en) 1997-07-02 1997-07-02 FILTER FOR A PAPER MACHINE
AT97110950T ATE232254T1 (en) 1997-07-02 1997-07-02 PAPER MACHINE SCREEN
EP97110950A EP0889160B1 (en) 1997-07-02 1997-07-02 Screencloth for papermaking machine
DE59709274T DE59709274D1 (en) 1997-07-02 1997-07-02 papermaker
DE29807274U DE29807274U1 (en) 1997-07-02 1998-04-22 Paper machine screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97110950A EP0889160B1 (en) 1997-07-02 1997-07-02 Screencloth for papermaking machine

Publications (2)

Publication Number Publication Date
EP0889160A1 EP0889160A1 (en) 1999-01-07
EP0889160B1 true EP0889160B1 (en) 2003-02-05

Family

ID=8227002

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97110950A Revoked EP0889160B1 (en) 1997-07-02 1997-07-02 Screencloth for papermaking machine

Country Status (5)

Country Link
EP (1) EP0889160B1 (en)
AT (1) ATE232254T1 (en)
DE (2) DE59709274D1 (en)
ES (1) ES2192240T3 (en)
PT (1) PT889160E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7059360B1 (en) 2005-03-03 2006-06-13 Albany International Corp. Double layer forming fabric with paired warp binder yarns

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10123204C2 (en) * 2001-05-12 2003-03-27 Kufferath Andreas Gmbh papermaker
NO333373B1 (en) 2002-05-24 2013-05-13 Nippon Filcon Kk Industrial tolys fabric
US7048012B2 (en) 2002-10-24 2006-05-23 Albany International Corp. Paired warp triple layer forming fabrics with optimum sheet building characteristics
US20040102118A1 (en) * 2002-11-27 2004-05-27 Hay Stewart Lister High permeability woven members employing paired machine direction yarns for use in papermaking machine
DE102004016640B3 (en) * 2004-03-30 2005-08-11 Andreas Kufferath Gmbh & Co. Kg Fourdrinier, especially for a papermaking machine to produce toilet paper, is of two bonded woven layers with an increased weft count in the upper layer
US7198067B2 (en) 2004-08-04 2007-04-03 Albany International Corp. Warp-runner triple layer fabric with paired intrinsic warp binders
PT2584091E (en) 2011-10-22 2014-05-27 Heimbach Gmbh & Co Kg Woven papermaker fabric, in particular a forming fabric
EP2899311B1 (en) 2014-01-28 2016-01-13 Heimbach GmbH & Co. KG Paper maker fabric

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE731243C (en) * 1934-10-26 1943-02-04 Geraer Filztuchfabrik Lechla & Drying felt
CA1110953A (en) * 1978-10-23 1981-10-20 John G. Buchanan Duplex forming fabric
DE3305713C1 (en) * 1983-02-18 1984-04-19 Hermann Wangner Gmbh & Co Kg, 7410 Reutlingen Composite fabric as covering for the sheet forming part of a paper machine
DE3329739C1 (en) * 1983-08-17 1985-01-10 Hermann Wangner Gmbh & Co Kg, 7410 Reutlingen Multi-layer covering for paper machines
JPS63145496A (en) * 1986-12-02 1988-06-17 日本フイルコン株式会社 Papermaking multilayer fabric
US5052448A (en) * 1989-02-10 1991-10-01 Huyck Corporation Self stitching multilayer papermaking fabric

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7059360B1 (en) 2005-03-03 2006-06-13 Albany International Corp. Double layer forming fabric with paired warp binder yarns

Also Published As

Publication number Publication date
EP0889160A1 (en) 1999-01-07
ES2192240T3 (en) 2003-10-01
DE29807274U1 (en) 1998-07-09
DE59709274D1 (en) 2003-03-13
ATE232254T1 (en) 2003-02-15
PT889160E (en) 2003-06-30

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