EP1013822B1 - Tissu pour la partie humide d' une machine à papier - Google Patents

Tissu pour la partie humide d' une machine à papier Download PDF

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Publication number
EP1013822B1
EP1013822B1 EP19990124253 EP99124253A EP1013822B1 EP 1013822 B1 EP1013822 B1 EP 1013822B1 EP 19990124253 EP19990124253 EP 19990124253 EP 99124253 A EP99124253 A EP 99124253A EP 1013822 B1 EP1013822 B1 EP 1013822B1
Authority
EP
European Patent Office
Prior art keywords
nonwoven layer
paper
paper machine
fabric according
machine fabric
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP19990124253
Other languages
German (de)
English (en)
Other versions
EP1013822A2 (fr
EP1013822A3 (fr
Inventor
Arved H. Dipl.-Ing. Westerkamp
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 Fabrics Patent GmbH
Original Assignee
Voith Fabrics Heidenheim GmbH and Co KG
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 Fabrics Heidenheim GmbH and Co KG filed Critical Voith Fabrics Heidenheim GmbH and Co KG
Publication of EP1013822A2 publication Critical patent/EP1013822A2/fr
Publication of EP1013822A3 publication Critical patent/EP1013822A3/fr
Application granted granted Critical
Publication of EP1013822B1 publication Critical patent/EP1013822B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/08—Felts
    • D21F7/083—Multi-layer felts
    • 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
    • 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]
    • Y10T442/3707—Woven fabric including a nonwoven fabric layer other than paper
    • Y10T442/3724—Needled

Definitions

  • the invention relates to a paper machine screen for the wet end of a paper machine according to the preamble of claim 1.
  • Such paper machine screens which one or more layers or in the form of a composite fabric may be formed and generally a woven or non-woven, textile or non-textile fabrics, preferably a fabric, are known in the art. They serve to dewater an aqueous fiber suspension and this press section of the Directing paper machine.
  • the well-known paper machine screens of all types of construction are characterized in that the directed to the paper side of the screen by the predetermined by the binding of the fabric ago Structure is determined.
  • the surface structure of the fabric should as possible no marks leave on the paper.
  • reduced topographic markings of the screen Especially in demand because of the sensitive paper types.
  • retention required by the paper manufacturer, also called retention, with respect to Fibers and auxiliaries and additives often insufficient.
  • it can be through the drainage and guide elements of the paper machine from the running or wear side of Tissue ago come to washouts, which also low retention levels to lead.
  • a papermaker's fabric according to the preamble of patent claim 1 with a textile fabric in the form of a fabric is known from US-A-5 077 116.
  • the nonwoven layer is built up of individual fibers and placed loosely on the top of the fabric and with the threads of the fabric forming the surface of the fabric Tissue connected.
  • FIGS. 5, 8, 11 and 14 of this document it can be seen that the nonwoven layer adapts to the surface of the fabric such that while the structure of the fabric is modeled. from that follows that the surface of the nonwoven layer similar to the Surface of the fabric is not a uniform horizontal Level training.
  • DE 18 07 329 A1 discloses a molding medium for the mold section a paper machine in which a woven base woven covered on one side by a fibrous material.
  • the fiber material is preferably in the depressions, which are formed by the web image.
  • the surface is in essentially just, wherein the fiber layer is a constant Density possesses, so that their permeability in dependence the local thickness of the fiber layer varies.
  • EP 0 133 836 A1 describes a method for connection a layer of permeable material, for example Fiber material, with a carrier material by means of a fusible yarn, for example by means of a core-coated Two-component yarn.
  • a fusible yarn for example by means of a core-coated Two-component yarn.
  • the invention is based on the object, a paper machine screen of the type mentioned above, at which reduces the topographical market tendency to a minimum and the retention values in paper production are improved.
  • the nonwoven layer with a thickness of 0.1mm to 1.0mm is durable, in some Areas less compressed than in other areas, wherein the nonwoven layer in the areas less is highly compressed, in which corresponding areas of the Surface of the paper-facing side of the textile or non-textile fabric in a predominantly the Surface of the sheet forming plane lie.
  • the Nonwoven layer therefore has a completely uniform, even Surface on.
  • the permeability can be of the web over the fiber orientation and construction of the fleece. It follows that with a Such paper machine screen produced as good as can be produced without marking and therefore the highest standards enough. It also follows that the retention capacity the fibers and the auxiliaries and additives of Pulp suspension depending on the density or the Pore sizes of the selected nonwoven largely adjusted can be. This also applies to the ability of the nonwoven layer, to dehydrate the pulp suspension.
  • the nonwoven layer a substantially uniform permeability.
  • Thickness of the nonwoven layer increases the total thickness of the Paper machine screen around a manageable area.
  • a uniform permeability of the nonwoven layer allows also a uniform dewatering of the fiber suspension and thus a largely homogeneous consistency of the press section the paper machine guided fibers.
  • the nonwoven layer consists of plastic melt fibers, such as polyethylene terephthalate, polyamide, polyethylene, polypropylene, Polybutylene terephthalate and combinations of the materials mentioned.
  • plastic melt fibers such as polyethylene terephthalate, polyamide, polyethylene, polypropylene, Polybutylene terephthalate and combinations of the materials mentioned.
  • plastic fibers allow, as will be explained below, a heat treatment and thus a easy application of the nonwoven layer to the top of the textile or non-textile fabric.
  • the surface of the nonwoven layer is permanently topographically, preferably by circular, triangular, rectangular or otherwise formed depressions, or hydrophilic by means of physical / chemical surface treatment processes, designed or designed hydrophobic or antistatic or dirt-repellent.
  • the chosen ones Topographies can be independent of the structure of the fabric as requested by the papermaker made by simply designing the surface of the nonwoven layer on the paper become. In this respect it is possible to print certain patterns on paper regardless of the Structure of the fabric provided by appropriate design of the nonwoven layer. Thereby The structure of the paper can be designed in almost any way.
  • the nonwoven layer is penetrated by pores, wherein the pores can taper or widen towards the fabric.
  • Pore size or a pore size range is in particular the retention capacity of the entire paper machine screen and the drainage characteristics in three-dimensional Specifically adjustable and to the size of the fibers to be retained, adaptable.
  • the textile or non-textile fabric on its one, the paper directed side fibers or threads, which are able, with the nonwoven layer a lasting To connect wherein the fibers or filaments are preferably made of plastic melt fibers, such as. Polyethylene terephthalate, polyamide, polyethylene, polypropylene, polybutylene terephthalate as well as combinations of said materials.
  • plastic melt fibers such as. Polyethylene terephthalate, polyamide, polyethylene, polypropylene, polybutylene terephthalate as well as combinations of said materials.
  • the nonwoven layer by a connecting means preferably a hot melt adhesive, fixed on the fabric.
  • a connecting means preferably a hot melt adhesive
  • the Nonwoven layer by a heat / Druckbehandhmg a permanent bond with the fabric enter, depending on the selected materials, the temperature between about 170 and 270 ° C and the line pressure is approximately between 10 and 50 N / mm.
  • the advantage of the said method is in that the materials partially dissolve into each other and thus a close connection between the nonwoven layer and the textile or non-textile fabric is brought about.
  • the advantage of the aforementioned ultrasonic method is mainly that only the the immediate weld is heated, the environment of the weld, however, remains cold. As a result, the nonwoven layer is selectively applied to the surface of the sheet and with this connectable. Unsolicited thermal deformations or thermal decompositions as a result of too high a temperature, they are less likely to occur and are in certain areas limited.
  • the coverage ratio between the Fleece layer and the paper-facing side of the fabric more than 40%. This allows a slower and thus gentler dewatering of the fiber suspension than in Case of a less covered surface of the textile or non-textile fabric.
  • Fig. 1 is a schematic longitudinal section, also called shot section, through a part of a Paper machine screen 15 shown for the wet end of a paper machine, not shown.
  • the papermaker's fabric 15 has a textile or non-textile fabric 16 in the form of a Tissue consisting of an upper, the paper (not shown) facing position of Weft threads 1, 3, 5, 7, 9, 11 and 13 and from a lower, the paper machine facing Location of wefts 2, 4, 6, 8, 10, 12 and 14 consists.
  • the fabric 16 has a series of warp threads 17, of which in Figs. 1 and 2 only a, the upper layer of wefts and the lower layer of weft threads connecting warp thread is shown.
  • the warp thread 17 shown extends in dependence on the Bindephase partially above the wefts 1 and 3 of the upper layer, partially between the Weft threads of the upper layer and the lower layer, between the weft threads 5 and 6, 7 and 8, 9 and 10, partially below at least one weft thread of the lower layer, in selected embodiment below the weft thread 12, and partially again between the layers of the weft threads, namely between the weft thread 13 of the upper layer and the Weft 14 of the lower layer.
  • the one side 18 with the wefts of the upper layer of as Fabric trained sheet is to paper, the opposite, other side 19, So the lower layer of the weft threads, is directed to the paper machine, not shown.
  • each one or more layers is generally used Structure, in particular tissue structure, usable.
  • a fleece layer 20 is provided on the one, upper side 18 of the fabric, which at least substantially or at least almost that one side of the fabric completely covered.
  • the upper side 18 is completely covered by the nonwoven layer.
  • the nonwoven layer may also be referred to generally as a nonwoven structure.
  • the paper contacting layer formed by the nonwoven layer 20, which comprises the aqueous fiber suspension preferably has a fiber-carrying and dehydrating function.
  • the formed by the fabric 16, directed to the paper machine and with the paper machine in Contact kicking posture represents the wear volume of the wire and additionally supports the Drainage of the fleece.
  • the fabric 16 also forms the force-absorbing layer of the papermachine fabric 15, it runs over not shown standing or moving elements of Paper machine and protects the nonwoven layer 20 from direct contact with the Paper machine and thus from wear.
  • the nonwoven layer 20 is permanently compressed and has a thickness of preferably 0.1 to 1 mm, as well as a substantially uniform permeability to FIGS. 1 and 2 can be seen that in the illustrated embodiments, the fibers of the invention Nonwoven layer in the region of the weft threads 5, 7, 9, 11 and 13 of the upper layer of the fabric 16 are less compressed than in the area above the warp thread 17 and the weft threads. 1 and 3 of the upper layer. It is clear that the warp thread 17 in practice closer to the weft threads 1 and 3 of the upper layer is present and, if at all, only slightly above that through the Weft threads 5, 7, 9, 11 and 13 of the upper layer formed projecting plane. It is further insisted indicated that the illustrations of Figs. 1 and 2 schematically simplified and not necessarily drawn to scale.
  • the surface of the textile or non-textile fabric lies in different levels.
  • the nonwoven layer ultimately balances these different levels the mentioned different compression, so that the surface of the nonwoven layer completely smooth and even.
  • the nonwoven layer is less strong in the areas compressed, in which corresponding areas of the surface of the paper-facing side 18 of the fabric in a predominantly forming the surface of the fabric Lie flat.
  • the nonwoven layer is more compressed in the areas where individual ones Threads, in Figs. 1 and 2 of the warp thread 17, project beyond this level. This is in Figs. 1 and 2 in the area above the weft threads 1 and 3 of the case.
  • the aforementioned permanent compression of the nonwoven layer can be effected, for example, by that this with a calendering between two counter-rotating rollers Temperature of 170 to 270 ° C and a line pressure of about 10 to 50 N / mm is exposed.
  • the temperature and pressure ranges mentioned depend on the materials used.
  • the nonwoven layer 20 is preferably made of plastic melt fibers, such as polyethylene terephthalate, Polyamide, polyethylene, polypropylene, polybutylene terephthalate and combinations the materials mentioned.
  • the surface 21 of the nonwoven layer 20 is according to the first embodiment shown in Fig. 1 as a smooth plane and according to the second, in FIG. 2 shown embodiment also permanently topographically in the form of a line structure or designed in the form of square depressions. This design can also be circular, triangular or rectangular or generally polygonal depressions or other shapes (not shown). The choice of topographical structure is adapted to the intended use.
  • the aforementioned circular depressions may, for example, a diameter of 0.1 to 3.5 mm.
  • Recesses in the form of isosceles triangles for example a leg length of 0.1 to 3.5 mm.
  • the exterior lengths with rectangular, in particular square, shape can be 0.1 to 3.5 mm.
  • the mentioned wells can a Length of up to 80% of the total thickness of the nonwoven layer have.
  • the nonwoven layer is penetrated by pores. These can extend completely through the entire nonwoven layer and for example, taper or widen towards the tissue 16.
  • the surface 21 of the nonwoven layer 20 by means of physical / chemical surface treatment processes hydrophilic, hydrophobic, designed antistatic or dirt-repellent. This can be done, for example, by applying suitable chemicals in the form of foam or by means of dipping become. It is clear that in this case the surface charge potentials of the nonwoven layer with those of Fiber suspension are tuned.
  • the fabric 16 its one side 18, which is directed to the paper, on threads, which are able to with the Nonwoven layer 20 to make a permanent connection.
  • This is exemplified in FIG Weft threads 5 and 11 of the upper layer shown, which in its upper portion 22 a permanent Connection with the nonwoven layer 20 received.
  • Such threads can be monofilament, multifilament, coated or also called sheath core Polyethylene terephthalate (bi-component) filaments, polyamide types 6.0, 6.6, 6.10, 6.12, polyethylene, polypropylene, polybutylene terephthalate and combinations of the foregoing Consist of materials or be made.
  • Polyethylene terephthalate (bi-component) filaments polyamide types 6.0, 6.6, 6.10, 6.12, polyethylene, polypropylene, polybutylene terephthalate and combinations of the foregoing Consist of materials or be made.
  • the nonwoven layer 20 preferably covers the entire surface of the fabric 16, so that a new, continuous level with optionally structured, permeable surface 21 is formed. It is also important that the nonwoven layer 20 with the surface of the underlying Tissue connects and covers the structure of the tissue, so that ultimately the topography of the Nonwoven layer of the fiber suspension to be drained directly faces.
  • the newly created Surface 21 of the nonwoven layer and the permeability of the entire paper machine screen 15 can be, for example, on the fiber orientation of the nonwoven layer and the structure control the same.
  • the nonwoven layer 20 may be applied to the fabric by various methods, and be connected with this.
  • the nonwoven layer 20 by a connecting medium, for example a Hot melt adhesive to fix on the fabric 16.
  • a connecting medium for example a Hot melt adhesive
  • This can take the form of an example Schmelzfasem existing nonwoven fabric, in the form of a connecting, fusible lattice structure or in the form of an applied layer of hot melt adhesive, wherein the connecting medium or connecting medium, for example of polyethylene terephthalate, Polyamide, polyethylene, polypropylene, polybutylene terephthalate or combinations of the above Materials can exist.
  • the nonwoven layer 20 by a heat / pressure treatment a permanent Binding with the tissue 16 is received, depending on the materials selected the Temperature between about 170 and 270 ° C and the line pressure between about 10 and 50 N / mm and the time is chosen such that a melting of the nonwoven layer and the upper layer of the tissue is reached. It is clear that the chosen temperatures in the Range of melting points of the materials used. It also makes sense for the Nonwoven layer used material to the material of the nonwoven layer contacting position of Tissue 16, especially as regards the respective melting points to adapt. Here you can For example, fabric of polyethylene terephthalate / polypropylene and the nonwoven layer, for example made of polypropylene. Next, it is possible that the surface of the mesh fabric off Bicomponent fibers or sheath-core fibers.
  • the nonwoven layer 20 on the tissue 16 by means of ultrasound, wherein the welding frequency is approximately between 15 and 72 MHz, preferably between 15 and 35 MHz, preferably 27.12 MHz when polyester is processed.
  • the fiber orientation within the nonwoven layer can be varied within wide limits. It can be one targeted fiber orientation or a so-called randomized random web for use come.
  • the nonwoven layer 20 may also be spray-applied to the fabric.
  • the coverage ratio between the nonwoven layer 20 and the paper is directed side 18 of the sheet 16 in the embodiments shown more than 40th % is; the rate of dewatering being determined by the coverage ratio is adjustable. The higher the coverage ratio, the slower and thus gentler the dehydration of the fiber suspension takes place.

Landscapes

  • Paper (AREA)
  • Laminated Bodies (AREA)

Claims (13)

  1. Tamis de machine à papier pour la partie humide, qui sert à essorer une suspension aqueuse de fibres et à l'amener à la section des presses d'une machine à papier, qui présente un objet textile ou non textile plat (16), en particulier un tissu, dont un côté (18) est orienté vers le papier et l'autre côté (19), qui lui est opposé, est orienté vers la machine à papier, la surface du côté (18) de l'objet plat (16) qui est orientée vers le papier présentant des saillies et étant au moins partiellement recouverte d'une couche de feutre (20), caractérisé en ce que dans les régions qui recouvrent les saillies, la couche de feutre (20) est comprimée en permanence de manière plus forte que dans les régions qui ne recouvrent pas de saillies, de telle sorte que les irrégularités de la surface de l'objet plat (16) n'est pas reproduite par la surface (21) de la couche de feutre (20) et en ce que la couche de feutre (20) a une épaisseur de 0,1 mm à 1 mm.
  2. Tamis de machine à papier selon la revendication 1, caractérisé en ce que la perméabilité du feutre (20) peut être ajustée par l'intermédiaire de l'orientation des fibres.
  3. Tamis de machine à papier selon les revendications 1 ou 2, caractérisé en ce que la couche de feutre (20) présente une perméabilité essentiellement uniforme.
  4. Tamis de machine à papier selon l'une des revendications 1 à 3, caractérisé en ce que la couche de feutre (20) est constituée de fibres en matière synthétique réalisées à l'état fondu, par exemple en poly(téréphtalate d'éthylène), en polyamide, en polyéthylène, en polypropylène, en poly(téréphtalate de butylène) ainsi qu'en combinaisons desdites matières.
  5. Tamis de machine à papier selon l'une des revendications précédentes, caractérisé en ce que la surface (21) de la couche de feutre (20) présente une topologie permanente, de préférence avec des creux circulaires, triangulaires, rectangulaires ou d'autres formes.
  6. Tamis de machine à papier selon l'une des revendications précédentes, caractérisé en ce que la surface (21) de la couche de feutre (20) est rendue hydrophile, hydrophobe, antistatique ou antisalissante à l'aide de procédés physiques/chimiques de traitement de surface.
  7. Tamis de machine à papier selon l'une des revendications précédentes, caractérisé en ce que la couche de feutre (20) est traversée par des pores qui se rétrécissent ou s'évasent de préférence en direction de l'objet plat textile ou non textile (16).
  8. Tamis de machine à papier selon l'une des revendications précédentes, caractérisé en ce que sur son côté (18) orienté vers le papier, l'objet plat (16) présente des fibres ou des fils qui sont à même d'établir une liaison stable avec la couche de feutre (20).
  9. Tamis de machine à papier selon la revendication 8, caractérisé en ce que les fibres ou les fils sont fabriqués en fibres en matière synthétique réalisées à l'état fondu, par exemple en poly(téréphtalate d'éthylène), en polyamide, en polyéthylène, en polypropylène, en poly(téréphtalate de butylène) ainsi qu'en combinaisons desdites matières.
  10. Tamis de machine à papier selon l'une des revendications précédentes, caractérisé en ce que la couche de feutre (20) est fixée sur l'objet plat (16) par un moyen de liaison et de préférence par un adhésif fondu.
  11. Tamis de machine à papier selon l'une des revendications précédentes, caractérisé en ce qu'une liaison durable est établie entre la couche de feutre (20) et l'objet plat par l'intermédiaire d'un traitement à la chaleur et/ou d'un traitement par pression, la température étant comprise entre environ 170 et 270°C et la pression en ligne étant comprise entre environ 10 et 50 N/mm, en fonction des matériaux sélectionnés.
  12. Tamis de machine à papier selon l'une des revendications précédentes, caractérisé en ce que la couche de feutre (20) est durablement fixée sur l'objet plat (16) au moyen d'ultrasons, la fréquence de soudage étant comprise entre environ 15 et 72 MHz et de préférence entre 15 et 35 MHz.
  13. Tamis de machine à papier selon l'une des revendications précédentes, caractérisé en ce que le taux de recouvrement entre la couche de feutre (20) et le côté (18) de l'objet plat (16), orienté vers le papier est supérieur à 40 %.
EP19990124253 1998-12-22 1999-12-04 Tissu pour la partie humide d' une machine à papier Expired - Lifetime EP1013822B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19859583 1998-12-22
DE1998159583 DE19859583A1 (de) 1998-12-22 1998-12-22 Papiermaschinensieb für die Naßpartie einer Papiermaschine

Publications (3)

Publication Number Publication Date
EP1013822A2 EP1013822A2 (fr) 2000-06-28
EP1013822A3 EP1013822A3 (fr) 2001-02-07
EP1013822B1 true EP1013822B1 (fr) 2005-03-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990124253 Expired - Lifetime EP1013822B1 (fr) 1998-12-22 1999-12-04 Tissu pour la partie humide d' une machine à papier

Country Status (6)

Country Link
US (1) US6511582B2 (fr)
EP (1) EP1013822B1 (fr)
JP (1) JP2000192386A (fr)
AT (1) ATE290120T1 (fr)
CA (1) CA2292783A1 (fr)
DE (2) DE19859583A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008001064A1 (de) 2008-04-08 2009-10-15 Voith Patent Gmbh Bespannung und Verfahren zu deren Herstellung

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7514030B2 (en) * 2002-12-30 2009-04-07 Albany International Corp. Fabric characteristics by flat calendering
JP4627137B2 (ja) * 2003-03-19 2011-02-09 イチカワ株式会社 湿紙搬送用ベルト
DE102005023390A1 (de) * 2005-05-20 2006-11-23 Voith Patent Gmbh Papiermaschinenbespannung
TWI391549B (zh) * 2005-05-24 2013-04-01 Albany Int Corp 用於抵銷以經紗接結方式所形成之織物中之捲曲的單纖及用於形成具阻抗邊緣捲曲之多層經紗接結造紙機布的方法
EP2141283A3 (fr) * 2008-07-02 2012-04-25 Voith Patent GmbH Bande de séchage pour un dispositif de séchage par condensation
US11098450B2 (en) 2017-10-27 2021-08-24 Albany International Corp. Methods for making improved cellulosic products using novel press felts and products made therefrom

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1236780A (en) * 1967-11-06 1971-06-23 Huyck Corp Improvements in papermaking apparatus
US3657068A (en) * 1970-01-07 1972-04-18 Orr Felt Co The Papermaking felt
CH509465A (de) * 1970-06-18 1971-07-15 Marx Gmbh J J Gewebe- oder Vliesband, insbesondere Nass- oder Trockenfilz für Papier- und Zellstoffmaschinen
US4259394A (en) * 1979-09-26 1981-03-31 Huyck Corporation Papermaking fabrics with enhanced dimensional stability
US4467839A (en) * 1981-04-28 1984-08-28 Scapa Inc. Papermakers fabric using differential melt yarns
EP0133836B1 (fr) * 1983-08-11 1987-10-21 Cofpa Compagnie Des Feutres Pour Papeteries Et Des Tissus Industriels Procédé de collage d'une couche de matière perméable sur un support constitué de fils liés entre eux et feutres pour machine à papier et tissus filtrants ainsi fabriqués
US4571359A (en) * 1984-12-18 1986-02-18 Albany International Corp. Papermakers wet-press felt and method of manufacture
US5549967A (en) * 1995-05-04 1996-08-27 Huyck Licensco, Inc. Papermakers' press fabric with increased contact area

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008001064A1 (de) 2008-04-08 2009-10-15 Voith Patent Gmbh Bespannung und Verfahren zu deren Herstellung

Also Published As

Publication number Publication date
CA2292783A1 (fr) 2000-06-22
US20020060057A1 (en) 2002-05-23
JP2000192386A (ja) 2000-07-11
DE59911693D1 (de) 2005-04-07
ATE290120T1 (de) 2005-03-15
EP1013822A2 (fr) 2000-06-28
US6511582B2 (en) 2003-01-28
EP1013822A3 (fr) 2001-02-07
DE19859583A1 (de) 2000-06-29

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