EP1359252B1 - Papiermaschinenbespannung sowie Verfahren zu deren Herstellung - Google Patents
Papiermaschinenbespannung sowie Verfahren zu deren Herstellung Download PDFInfo
- Publication number
- EP1359252B1 EP1359252B1 EP20020009447 EP02009447A EP1359252B1 EP 1359252 B1 EP1359252 B1 EP 1359252B1 EP 20020009447 EP20020009447 EP 20020009447 EP 02009447 A EP02009447 A EP 02009447A EP 1359252 B1 EP1359252 B1 EP 1359252B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- longitudinal
- paper machine
- yarns
- machine clothing
- transverse
- 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
Links
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Images
Classifications
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- 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
- D21F1/0054—Seams thereof
-
- 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
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S162/00—Paper making and fiber liberation
- Y10S162/90—Papermaking press felts
-
- 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
- Y10S162/904—Paper making and fiber liberation with specified seam structure of papermaking belt
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/19—Sheets or webs edge spliced or joined
- Y10T428/192—Sheets or webs coplanar
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
- Y10T428/24074—Strand or strand-portions
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
- Y10T428/24074—Strand or strand-portions
- Y10T428/24091—Strand or strand-portions with additional layer[s]
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24132—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in different layers or components parallel
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24752—Laterally noncoextensive components
- Y10T428/2476—Fabric, cloth or textile component
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24777—Edge feature
- Y10T428/24785—Edge feature including layer embodying mechanically interengaged strands, strand portions or strand-like strips [e.g., weave, knit, 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/24992—Density or compression of components
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249923—Including interlaminar mechanical fastener
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2813—Heat or solvent activated or sealable
- Y10T428/2817—Heat sealable
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2973—Particular cross section
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- 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.]
- Y10T442/50—FELT FABRIC
-
- 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.]
- Y10T442/50—FELT FABRIC
- Y10T442/56—From synthetic organic fiber
-
- 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.]
- Y10T442/50—FELT FABRIC
- Y10T442/59—At least three layers
Definitions
- the invention relates to a porous paper machine clothing for dewatering a paper web in a paper machine, especially as a paper machine felt or dry fabric, with a scrim from at least one layer Longitudinal threads and at least one layer crossing the longitudinal threads Cross threads.
- Porous paper machine clothing is long and wide Ribbons in different lots of a paper machine circulate and on which the paper web through the paper machine is transported.
- Sheet forming section becomes a fiber pulp on the paper machine clothing applied, with a fibrous web forms. This is due to the paper machine clothing drained through.
- the paper machine clothing consists of a textile thread structure that is so porous is that the liquid coming out of the fibrous web due to gravity and negative pressure the paper machine clothing is discharged through.
- the following press section will be paper web and paper machine clothing passed through roller presses, so that the one still in the paper web Liquid through the paper machine clothing is squeezed out.
- the paper machine clothing as a felt with a carrier made of a textile thread structure educated.
- paper web and paper machine clothing are over heated rollers, resulting in further drainage - in this case it is better to speak of drying - he follows.
- paper machine clothing consisting of thread structures, i.e. Dryer fabrics, which are also porous, to remove the steam through the pores.
- the textile thread structures are primarily woven educated. There are also so-called scrims known in which the threads are not bound together, therefore not interwoven or meshed are.
- Such a paper machine clothing is in US-A-3,097,413 disclosed. It has a scrim from one Position longitudinal threads that are parallel and spaced apart run and are not connected. On the layer is applied to a non-woven fabric that runs the longitudinal threads includes and is needled with them.
- the invention has for its object a paper machine clothing with a laid scrim so that with it a high regardless of the type of threads Dimensional stability is achievable and that it is for everyone Batches of a paper machine is suitable.
- a second The task is to create a process for its manufacture provide.
- the first object is achieved by that the longitudinal and transverse threads are positive at intersection points are interconnected, the connection each from a recess in one thread and a protruding frame at the crossing Thread or out at the intersection with each other aligned recesses and these interspersed pins, e.g. Bolts or rivets made of plastic or metal can. So with the invention, the possibility opened, a direct connection between the longitudinal and Cross threads at the crossing points regardless of the material of the threads. So you are no longer on bicomponent threads instructed, although the basic idea of the invention also includes such threads, but can be single-component threads connect directly to each other.
- the invention has Paper machine clothing the advantage of high flexibility regarding the number of layers, the thread density and the Choice of material. They are also for manufacturing no expensive textile machines, such as weaving and knitting machines, required, which is also the width of the on them limited to manufacture paper machine clothing. A there is no such limitation for thread beds, i.e. they can be made in practically any width become. In addition, with thread recliners to that with fabrics necessary thermosetting can be dispensed with if the threads be sufficiently thermally treated beforehand.
- an adhesive is available to connecting intersection additionally.
- an adhesive supports the fixation of the longitudinal and transverse threads at the crossing points.
- the adhesive can interlock Parts such as recesses and protrusions or pins, glue.
- Hot melt adhesives come as adhesives, whose melting temperature is below that of the threads contact adhesive, diffusion adhesive and / or reaction adhesive in question.
- the longitudinal and transverse threads Form flat threads with a rectangular cross-section. On this creates a surface contact at the crossing points, and the area over which the threads join together can be fused, is significantly enlarged and so firmer.
- the thread shape also favors training the positive connection.
- There is a width for the longitudinal and transverse threads from 2 to 20 mm, preferably 8 to 12 mm.
- the Thickness should be between 0.3 to 2 mm, preferably 0.6 to 1.2 mm, with the transverse threads maximally the same Thickness should be like the longitudinal threads.
- the through openings can be designed as round holes or elongated slots his.
- the paper machine clothing according to the invention can have any number of layers, each being alternate one layer with longitudinal threads and one layer with cross threads, are adjacent to each other.
- a Appropriate number are two or three layers, whereby in in the former case, a lower longitudinal thread scrim is preferred combined an upper cross thread and in the latter Fall a layer with cross threads on both sides of one layer Longitudinal threads are included. In this way, is on A longitudinal structure is formed on the top and bottom. Of course it is possible to do the opposite, so that on the top and bottom by the there existing cross threads a cross structure arises.
- the permeability or permeability of the paper machine clothing can also, for example, by the Width dimensions of the longitudinal and / or transverse threads and / or adjust their thread density within wide limits.
- the scrim according to the invention can also in simple ways eyelets on the front of the paper machine clothing by turning longitudinal threads under Form loops to make one with them To form plug wire seam. This can happen in the way that end pieces of longitudinal threads of a first layer the end faces of the paper machine clothing with formation of loops on the side facing away from this position the situation with cross threads and on several of these Cross threads, preferably on at least five cross threads, be attached.
- the attachment can also be made to the Longitudinal threads themselves are made.
- the fixation can in both cases, e.g. by means of bolts or Rivets made of plastic or metal.
- the loop formation should expediently only with one Part of the longitudinal threads happen to the two Forehead edges with their loops like a comb grab and so a through channel for a plug wire can form.
- the threads can be armored, e.g. with fibers such as glass fibers, carbon fibers, and / or Ceramic fibers, the fibers also called short cut fibers can be present.
- the paper machine clothing according to the invention can be use in all lots of a paper machine and due to their flexibility to meet the respective requirements optimally adapt these games.
- the paper machine clothing consists only of the scrim, which does not rule out that the scrim with other components is combined, for example a nonwoven fabric.
- the scrim according to the invention to use as a carrier and with a fiber layer to be provided on one or both sides, for example by one or both sides needling or laminating Nonwoven or spunbonded.
- connection between the threads can still be improved be that the longitudinal and transverse threads at crossing points with each other and / or with connecting elements by heating limited to the crossing points are melted together at the melting temperature, the heating by means of laser, radio frequency and / or Induction energy takes place.
- the heating can be focused on the crossing points.
- the energy can be limited space on the crossing points, what for especially lasers because of their focused laser beam suitable.
- the energy also across several intersection points to be merged be applied, for example over the entire Width and a certain length of the paper machine clothing, if the crossing points previously with one Provide absorption of energy-promoting additives become.
- the additive that can be used should depend on the type of Be energized adapted. As far as a laser, for example a diode laser should be used the additive is a light absorbing dye, e.g. black color, or be a light-active substance, whereby the thread above is transparent. For the application of high-frequency or induction energy especially metal and especially iron powder, that in the form of a paste, a dispersion or a powder can be present.
- the additive can be between the Threads or are applied to the threads, wherein in the latter case, the application only on the threads of one Location of two neighboring layers is sufficient. Instead of the additive can be applied subsequently also be added to the thread material selectively, e.g. during the extrusion process.
- the layers temporarily after the merge at the crossing points be pressed together until the connection has hardened and cooled down.
- a felt for example for use in the press section of a paper machine, should have a layer of fibers on one or both sides of the laid scrim applied and attached to this.
- the attachment can be done by needling, gluing or melting happen.
- transverse threads are not perpendicular to the longitudinal threads must run, but that with the invention
- the process can also be used to produce scrims are in which the transverse threads are oblique to the longitudinal threads run.
- Two layers of cross threads can also be used be provided in which the transverse threads of one layer cross the longitudinal threads at a different angle than that the other location.
- the paper machine clothing 1 shown in FIG. 1 consists of a scrim, the lower layer 2 of Longitudinal threads - designated 3 by way of example - formed becomes.
- the longitudinal threads 3 have a rectangular cross section and equal distance from each other. For the manufacturing process they are - which is not visible here - with theirs left ends wound on a thread tree. On the right is a - not visible here either second tree provided on which the finished paper machine clothing 1 is wound up. In this direction (Arrow A) the paper machine clothing 1 moves.
- the transverse threads 5 have a wide one Distance - it essentially corresponds to the distance of the longitudinal threads 3 -, the transverse threads 6 a narrow distance to reduce the permeability of the paper machine clothing 1 and the transverse threads 7 also a tight Distance, but a much smaller width than that Cross threads 5, 6. It is understood that these differences not with an actual paper machine clothing are present, i.e. the same cross threads come along same distance from each other for use. By representation is only to be symbolized that the invention Process different types of longitudinal and Cross threads 3, 5, 6, 7 and thread densities allows. The same applies to the longitudinal threads 3, with additional here there is still the possibility of their distances to vary across the width, e.g. in the middle area to provide a lower thread density than in the two Marginal areas or vice versa.
- Figures 2 and 3 show sections of the paper machine clothing 1 according to FIG. 1.
- the longitudinal and transverse threads 3, 5 positively connected to each other via connecting bolts - designated 10 by way of example -, each aligned holes - exemplary designated 11, 12 - in the longitudinal and transverse threads 3, 5 enforce.
- the connecting bolts can be used instead 10 also on the longitudinal threads 3 or the transverse threads 5 be molded so that only the other threads Have holes in which the connecting bolts be pushed in.
- the paper machine clothing 1 stretches like a bridge a melting device 9. It is intended the material of the longitudinal and transverse threads 3, 5, 6, 7 and also the connecting bolt 10 at the crossing points 8 to Bring them melt so that they melt together there. Laser, high-frequency and / or induction devices in question. In order to the melting of the material of the longitudinal threads 3 and transverse threads 5, 6, 7 remains limited to the crossing points 8, an additive is applied at the crossing points 8 been the absorption of the in the melter 9 promotes generated energy.
- the energy load is then set so that the longitudinal and transverse threads 3, 5, 6, 7 only at the crossing points 8 because of the existing there Melt the admixture and consequently together and / or fuse with the connecting bolts 10 while the remaining parts of the longitudinal and transverse threads 3, 5, 6, 7 either not at all or only slightly, in any case not heated up to the melting temperature.
- the melting device 9 cool down the crossing points 8 again, so that the melted areas harden and a firm connection between the longitudinal and Cross threads 3, 5, 6, 7 arises. This can still be done are encouraged that the two layers 2, 4 pressed together be, for example with the help of rollers or Plates in the movement of the paper machine clothing 1 be carried.
Landscapes
- Paper (AREA)
- Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
- Nonwoven Fabrics (AREA)
Description
- Figur 1
- eine Draufsicht auf eine schematisch dargestellte Papiermaschinenbespannung mit Schmelzvorrichtung;
- Figur 2
- eine vergrößerte Draufsicht auf einen Teil der Papiermaschinenbespannung gemäß Figur 1;
- Figur 3
- einen teilweisen Querschnitt durch die Papiermaschinenbespannung gemäß den Figur 1 und 2;
Claims (36)
- Poröse Papiermaschinenbespannung (1) zur Entwässerung einer Papierbahn in einer Papiermaschine mit einem Fadengelege aus wenigstens einer Lage (2) Längsfäden (3) und wenigstens einer Lage (4) die Längsfäden (3) kreuzenden Querfäden (5, 6, 7), dadurch gekennzeichnet, daß die Längs- und Querfäden (3, 5, 6, 7) an Kreuzungspunkten (8) formschlüssig miteinander verbunden sind.
- Papiermaschinenbespannung nach Anspruch 1, dadurch gekennzeichnet, daß die Verbindung jeweils aus einer Ausnehmung in dem einen Faden und einem darin passend einfassenden Vorsprung an dem kreuzenden Faden besteht.
- Papiermaschinenbespannung nach Anspruch 1, dadurch gekennzeichnet, daß die Verbindung aus miteinander fluchtenden Ausnehmungen (11, 12) in den Fäden (3, 5, 6, 7) und einem diese durchfassenden Stift (10) besteht.
- Papiermaschinenbespannung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß an den zu verbindenden Kreuzungspunkten (8) zusätzlich ein Klebstoff vorhanden ist.
- Papiermaschinenbespannung nach Anspruch 4, dadurch gekennzeichnet, daß der Klebstoff ein Schmelzkleber, Kontaktkleber, Diffusionskleber und/oder Reaktionskleber ist.
- Papiermaschinenbespannung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Längs- und Querfäden (3; 5, 6, 7) und/oder die sie verbindenden Teile (10, 11, 12) an Kreuzungspunkten (8) zusätzlich infolge auf diese Kreuzungspunkte (8) beschränkten Erhitzens auf Schmelztemperatur miteinander verschmolzen sind.
- Papiermaschinenbespannung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Längs- und Querfäden (3; 5, 6, 7) als Flachfäden mit rechteckigem Querschnitt ausgebildet sind.
- Papiermaschinenbespannung nach Anspruch 7, dadurch gekennzeichnet, daß die Längs- und Querfäden (3; 5, 6, 7) eine Breite von 2 bis 20 mm, vorzugsweise 8 bis 12 mm, aufweisen.
- Papiermaschinenbespannung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Längsfäden (3) im mittleren Bereich eine andere Breite haben als in den Randbereichen.
- Papiermaschinenbespannung nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, daß die Längs- und Querfäden (3; 5, 6, 7) eine Höhe von 0,3 bis 2 mm, vorzugsweise 0,6 bis 1,2 mm aufweisen.
- Papiermaschinenbespannung nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, daß die Querfäden (5, 6, 7) maximal die gleiche Dicke haben wie die Längsfäden (3).
- Papiermaschinenbespannung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß die Längsund/oder Querfäden Durchgangsöffnungen aufweisen.
- Papiermaschinenbespannung nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß zumindest drei Lagen vorhanden sind, wobei jeweils eine Lage mit Längsfäden und eine Lage mit Querfäden benachbart sind.
- Papiermaschinenbespannung nach Anspruch 13, dadurch gekennzeichnet, daß eine Lage mit Querfäden beidseitig mit je einer Lage von Längsfäden eingeschlossen ist.
- Papiermaschinenbespannung nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß zumindest eine Lage mit Längsfäden im mittleren Bereich eine andere Fadendichte hat als in den Randbereichen.
- Papiermaschinenbespannung nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, daß Endstücke von Längsfäden (3) an den Stirnseiten der Papiermaschinenbespannung (1) unter Bildung von Schlaufen umgeschlagen und fixiert sind.
- Papiermaschinenbespannung nach Anspruch 16, dadurch gekennzeichnet, daß die Endstücke auf die der Lage (2) mit den Längsfäden (3) abgewandten Seite der Lage (4) mit Querfäden (5, 6, 7) umgeschlagen und an Querfäden (5, 6, 7) fixiert sind.
- Papiermaschinenbespannung nach Anspruch 17, dadurch gekennzeichnet, daß Endstücke von Längsfäden (3) einer Lage (2) an den Stirnseiten der Papiermaschinenbespannung (1) unter Bildung von Schlaufen umgeschlagen und an sich selbst fixiert sind.
- Papiermaschinenbespannung nach einem der Ansprüche 16 bis 18, dadurch gekennzeichnet, daß nichtschlaufenbildende Endstücke von Längsfäden (3) jeweils an dem letzten Querfaden (5, 6, 7) an der Stirnseite der Papiermaschinenbespannung (1) fixiert sind.
- Papiermaschinenbespannung nach einem der Ansprüche 16 bis 19, dadurch gekennzeichnet, daß abwechselnd wenigstens ein Endstück unter Bildung einer Schlaufe umgeschlagen ist und wenigstens ein Endstück an der äußeren Kante des letzten Querfadens (5, 6, 7) an der Stirnseite der Papiermaschinenbespannung (1) endet.
- Papiermaschinenbespannung nach einem der Ansprüche 16 bis 20, dadurch gekennzeichnet, daß sich an die Enden der Endstücke Längsfäden einer an der Lage mit Querfäden anliegenden zweiten Lage mit Längsfäden anschließen.
- Papiermaschinenbespannung nach einem der Ansprüche 1 bis 21, dadurch gekennzeichnet, daß die Längsund/oder Querfäden (3, 5, 6, 7) aus PET, PA in allen Modifikationen, PPS, PEK, PEEK, elastischem Polyester, PBT oder PTT oder Kombinationen davon bestehen.
- Papiermaschinenbespannung nach einem der Ansprüche 1 bis 22, dadurch gekennzeichnet, daß die Längsund/oder Querfäden (3, 5, 6, 7) faserverstärkt sind.
- Papiermaschinenbespannung nach einem der Ansprüche 1 bis 23, dadurch gekennzeichnet, daß auf wenigstens einer Seite eine Faserlage vorgesehen ist.
- Verfahren zur Herstellung einer porösen Papiermaschinenbespannung (1), bei dem ein Fadengelege dadurch hergestellt wird, daß wenigstens eine Lage (2) Längsfäden (3) und wenigstens eine Lage (4) die Längsfäden (3) kreuzende Querfäden (5, 6, 7) übereinander angeordnet werden, dadurch gekennzeichnet, daß die Längs- und Querfäden (3; 5, 6, 7) an Kreuzungspunkten (8) formschlüssig miteinander verbunden werden.
- Verfahren nach Anspruch 25, dadurch gekennzeichnet, daß die Längs- und Querfäden (3; 5, 6, 7) an Kreuzungspunkten (8) zusätzlich durch auf die Kreuzungspunkte (8) beschränktes Erhitzen auf Schmelztemperatur miteinander und/oder mit sie verbindenden Teilen (10) verschmolzen werden.
- Verfahren nach Anspruch 26, dadurch gekennzeichnet, daß die Erhitzung mittels Laser-, Hochfrequenzund/oder Induktionsenergie erfolgt.
- Verfahren nach Anspruch 26 oder 27, dadurch gekennzeichnet, daß die Energie punktuell aufgebracht wird.
- Verfahren nach Anspruch 26 oder 27, dadurch gekennzeichnet, daß die Energie flächig über mehrere zu verschmelzende Kreuzungspunkte (8) aufgebracht wird und diese Kreuzungspunkte (8) zuvor mit einem die Absorption der Energie fördernden Zusatzmittel versehen worden sind.
- Verfahren nach Anspruch 29, dadurch gekennzeichnet, daß das Zusatzmittel ein Farbstoff, eine lichtaktive Substanz oder ein Metallpulver ist.
- Verfahren nach Anspruch 29 oder 30, dadurch gekennzeichnet, daß das Zusatzmittel nur auf die Fäden und/oder zwischen die Fäden appliziert wird.
- Verfahren nach einem der Ansprüche 25 bis 31, dadurch gekennzeichnet, daß die Längs- und Querfäden (3; 5, 6, 7) an Kreuzungspunkten (8) zusätzlich unter Verwendung von Klebstoff miteinander und/oder mit den sie verbindenden Teilen (10) verklebt werden.
- Verfahren nach einem der Ansprüche 25 bis 32, dadurch gekennzeichnet, daß zunächst Längsfäden (3) parallel zueinander aufgespannt und dann auf diese Längsfäden (3) nacheinander einzeln oder gruppenweise Querfäden (5, 6, 7) aufgelegt und an den Längsfäden (3) fixiert werden, und daß das Fadengelege in Längsrichtung transportiert und dann aufgerollt wird.
- Verfahren nach Anspruch 33, dadurch gekennzeichnet, daß zeitgleich oder später auch auf der anderen Seite der Längsfäden (3) Querfäden (5, 6, 7) befestigt werden.
- Verfahren nach einem der Ansprüche 25 bis 34, dadurch gekennzeichnet, daß die Lagen (2, 4) an den Kreuzungspunkten (8) zur Fixierung zeitweise aufeinander gepreßt werden.
- Verfahren nach einem der Ansprüche 25 bis 35, dadurch gekennzeichnet, daß auf das Fadengelege einoder beidseitig eine Faserschicht aufgebracht und an diesem befestigt wird.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE50200627T DE50200627D1 (de) | 2002-04-25 | 2002-04-25 | Papiermaschinenbespannung sowie Verfahren zu deren Herstellung |
EP20020009447 EP1359252B1 (de) | 2002-04-25 | 2002-04-25 | Papiermaschinenbespannung sowie Verfahren zu deren Herstellung |
ES02009447T ES2223995T3 (es) | 2002-04-25 | 2002-04-25 | Revestimiento de maquina papelera y procedimiento para su fabricacion. |
AT02009447T ATE271154T1 (de) | 2002-04-25 | 2002-04-25 | Papiermaschinenbespannung sowie verfahren zu deren herstellung |
CA 2426518 CA2426518C (en) | 2002-04-25 | 2003-04-24 | Paper machine clothing and method for its manufacture |
US10/423,022 US7220340B2 (en) | 2002-04-25 | 2003-04-25 | Paper machine clothing and method for its manufacture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20020009447 EP1359252B1 (de) | 2002-04-25 | 2002-04-25 | Papiermaschinenbespannung sowie Verfahren zu deren Herstellung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1359252A1 EP1359252A1 (de) | 2003-11-05 |
EP1359252B1 true EP1359252B1 (de) | 2004-07-14 |
Family
ID=28799642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20020009447 Expired - Lifetime EP1359252B1 (de) | 2002-04-25 | 2002-04-25 | Papiermaschinenbespannung sowie Verfahren zu deren Herstellung |
Country Status (6)
Country | Link |
---|---|
US (1) | US7220340B2 (de) |
EP (1) | EP1359252B1 (de) |
AT (1) | ATE271154T1 (de) |
CA (1) | CA2426518C (de) |
DE (1) | DE50200627D1 (de) |
ES (1) | ES2223995T3 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6989080B2 (en) | 2003-06-19 | 2006-01-24 | Albany International Corp. | Nonwoven neutral line dryer fabric |
DE502004000919D1 (de) | 2004-03-12 | 2006-08-17 | Heimbach Gmbh & Co | Papiermaschinenband |
EP1749924B1 (de) * | 2005-08-04 | 2007-11-14 | Heimbach GmbH & Co. KG | Formiersieb für den Einsatz in einer Papiermaschine sowie Verfahren zur Herstellung eines solchen Formiersiebes |
PL2200812T3 (pl) * | 2007-09-05 | 2020-11-30 | Albany International Corp. | Sposób wytwarzania szwu w tkaninach do maszyny papierniczej i tkaninach przemysłowych oraz szew wytwarzany tym sposobem |
US7794555B2 (en) * | 2007-09-05 | 2010-09-14 | Albany International Corp. | Formation of a fabric seam by ultrasonic gap welding of a flat woven fabric |
US8088256B2 (en) * | 2007-09-05 | 2012-01-03 | Albany International Corp. | Process for producing papermaker's and industrial fabric seam and seam produced by that method |
EP2895322B1 (de) | 2013-04-19 | 2016-12-21 | AstenJohnson, Inc. | Genähter pressfilz mit einer elastischen trägerschicht und herstellungsverfahren |
WO2018081498A1 (en) | 2016-10-27 | 2018-05-03 | The Procter & Gamble Company | Deflection member for making fibrous structures |
US10385510B2 (en) | 2016-11-16 | 2019-08-20 | Astenjohnson, Inc. | Seamless press felt with intermediate elastic carrier layer |
TWD194984S (zh) | 2017-08-03 | 2018-12-21 | 希臘商卡拉提斯公司 | 護網 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3097413A (en) | 1960-05-26 | 1963-07-16 | Draper Brothers Company | Unwoven papermaker's felt |
GB1187256A (en) | 1967-10-13 | 1970-04-08 | Scapa Dryers Ltd | Non-woven Fabrics |
US3818519A (en) * | 1973-06-25 | 1974-06-25 | P Schuder | Bearing stress pad for beds, or the like |
US4250822A (en) * | 1979-12-06 | 1981-02-17 | Asten Group, Inc. | Low bulk, pin-type seam for use in paper making equipment fabrics, such as dryer felts |
US4395308A (en) * | 1981-06-12 | 1983-07-26 | Scapa Dyers Inc. | Spiral fabric papermakers felt and method of making |
US4633596A (en) * | 1981-09-01 | 1987-01-06 | Albany International Corp. | Paper machine clothing |
US4731281A (en) * | 1984-10-29 | 1988-03-15 | Huyck Corporation | Papermakers fabric with encapsulated monofilament yarns |
US4555440A (en) | 1985-01-02 | 1985-11-26 | Albany International Corp. | Multilayered press felt |
US4781967A (en) | 1987-10-07 | 1988-11-01 | The Draper Felt Company, Inc. | Papermaker press felt |
US5079807A (en) * | 1989-06-22 | 1992-01-14 | Albany International Corp. | Shaped pintle wire for paper machine clothing |
SE504975C2 (sv) * | 1995-09-08 | 1997-06-02 | Albany Int Corp | Torkvira |
US6124015A (en) * | 1996-04-18 | 2000-09-26 | Jwi Ltd. | Multi-ply industrial fabric having integral jointing structures |
US5888915A (en) * | 1996-09-17 | 1999-03-30 | Albany International Corp. | Paper machine clothings constructed of interconnected bicomponent fibers |
IT1312052B1 (it) * | 1999-04-07 | 2002-04-04 | Tenax Spa | Struttura del tipo rete, particolarmente per usi geotecnici. |
US6331341B1 (en) * | 1999-07-09 | 2001-12-18 | Albany International Corp. | Multiaxial press fabric having shaped yarns |
US6630223B2 (en) * | 2001-01-26 | 2003-10-07 | Albany International Corp. | Spirally wound shaped yarns for paper machine clothing and industrial belts |
-
2002
- 2002-04-25 AT AT02009447T patent/ATE271154T1/de not_active IP Right Cessation
- 2002-04-25 DE DE50200627T patent/DE50200627D1/de not_active Expired - Lifetime
- 2002-04-25 EP EP20020009447 patent/EP1359252B1/de not_active Expired - Lifetime
- 2002-04-25 ES ES02009447T patent/ES2223995T3/es not_active Expired - Lifetime
-
2003
- 2003-04-24 CA CA 2426518 patent/CA2426518C/en not_active Expired - Fee Related
- 2003-04-25 US US10/423,022 patent/US7220340B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7220340B2 (en) | 2007-05-22 |
CA2426518C (en) | 2008-09-09 |
EP1359252A1 (de) | 2003-11-05 |
US20040007281A1 (en) | 2004-01-15 |
DE50200627D1 (de) | 2004-08-19 |
ATE271154T1 (de) | 2004-07-15 |
CA2426518A1 (en) | 2003-10-25 |
ES2223995T3 (es) | 2005-03-01 |
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