EP1359252B1 - Habillage de machine à papier et procédé de sa production - Google Patents

Habillage de machine à papier et procédé de sa production Download PDF

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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
Application number
EP20020009447
Other languages
German (de)
English (en)
Other versions
EP1359252A1 (fr
Inventor
Walter Dr. Best
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.)
Heimbach GmbH and Co KG
Original Assignee
Thomas Josef Heimbach and Co GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomas Josef Heimbach and Co GmbH filed Critical Thomas Josef Heimbach and Co GmbH
Priority to ES02009447T priority Critical patent/ES2223995T3/es
Priority to AT02009447T priority patent/ATE271154T1/de
Priority to EP20020009447 priority patent/EP1359252B1/fr
Priority to DE50200627T priority patent/DE50200627D1/de
Priority to CA 2426518 priority patent/CA2426518C/fr
Priority to US10/423,022 priority patent/US7220340B2/en
Publication of EP1359252A1 publication Critical patent/EP1359252A1/fr
Application granted granted Critical
Publication of EP1359252B1 publication Critical patent/EP1359252B1/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
    • 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
    • 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)
  • Nonwoven Fabrics (AREA)
  • Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)

Claims (36)

  1. Garniture poreuse (1) de machine à papier, destinée à la déshydratation d'une bande de papier dans une machine à papier et munie d'un assemblage de fils comprenant au moins une couche (2) de fils longitudinaux (3) et au moins une couche (4) de fils transversaux (5, 6, 7) croisant lesdits fils longitudinaux (3), caractérisée par le fait que les fils longitudinaux et transversaux (3, 5, 6, 7) sont reliés les uns aux autres mécaniquement ou par concordance de formes en des points d'intersection (8).
  2. Garniture de machine à papier, selon la revendication 1, caractérisée par le fait que la liaison se compose respectivement d'un évidement pratiqué dans l'un des fils, et d'une saillie s'ajustant dans ledit évidement et située sur le fil à trajet croisant.
  3. Garniture de machine à papier, selon la revendication 1, caractérisée par le fait que la liaison se compose d'évidements (11, 12) mutuellement alignés, pratiqués dans les fils (3, 5, 6, 7), et d'une broche (10) traversant lesdits évidements.
  4. Garniture de machine à papier, selon l'une des revendications 1 à 3, caractérisée par la présence supplémentaire d'un adhésif aux points d'intersection (8) devant être solidarisés.
  5. Garniture de machine à papier, selon la revendication 4, caractérisée par le fait que l'adhésif est un adhésif agissant par fusion, un adhésif agissant par contact, un adhésif agissant par diffusion et/ou un adhésif agissant par réaction.
  6. Garniture de machine à papier, selon l'une des revendications 1 à 5, caractérisée par le fait que les fils longitudinaux et transversaux (3 ; 5, 6, 7) et/ou les parties (10, 11, 12) reliant ces derniers sont additionnellement solidarisé(e)s par fusion, en des points d'intersection (8), suite à un chauffage restreint jusqu'à une température de fusion, s'opérant sur ces points d'intersection (8).
  7. Garniture de machine à papier, selon l'une des revendications 1 à 6, caractérisée par le fait que les fils longitudinaux et transversaux (3 ; 5, 6, 7) sont réalisés sous la forme de fils aplatis de section transversale rectangulaire.
  8. Garniture de machine à papier, selon la revendication 7, caractérisée par le fait que les fils longitudinaux et transversaux (3 ; 5, 6, 7) présentent une largeur de 2 à 20 mm, de préférence comprise entre 8 et 12 mm.
  9. Garniture de machine à papier, selon l'une des revendications 1 à 8, caractérisée par le fait que les fils longitudinaux (3) présentent, dans la région centrale, une largeur autre que dans les régions marginales.
  10. Garniture de machine à papier, selon l'une des revendications 7 à 9, caractérisée par le fait que les fils longitudinaux et transversaux (3 ; 5, 6, 7) présentent une hauteur de 0,3 à 2 mm, de préférence comprise entre 0,6 et 1,2 mm.
  11. Garniture de machine à papier, selon l'une des revendications 7 à 10, caractérisée par le fait que les fils transversaux (5, 6, 7) présentent, au maximum, la même épaisseur que les fils longitudinaux (3).
  12. Garniture de machine à papier, selon l'une des revendications 1 à 11, caractérisée par le fait que les fils longitudinaux et/ou transversaux présentent des orifices de passage.
  13. Garniture de machine à papier, selon l'une des revendications 1 à 12, caractérisée par la présence d'au moins trois couches, sachant qu'une couche de fils longitudinaux et une couche de fils transversaux sont respectivement voisines.
  14. Garniture de machine à papier, selon la revendication 13, caractérisée par le fait qu'une couche de fils transversaux est enchâssée, de part et d'autre, dans une couche respective de fils longitudinaux.
  15. Garniture de machine à papier, selon l'une des revendications 1 à 14, caractérisée par le fait qu'au moins une couche de fils longitudinaux présente, dans la région centrale, une densité de fils autre que dans les régions marginales.
  16. Garniture de machine à papier, selon l'une des revendications 1 à 15, caractérisée par le fait que des tronçons extrêmes de fils longitudinaux (3) sont rabattus et bloqués, aux faces extrêmes de ladite garniture (1), en formant des boucles.
  17. Garniture de machine à papier, selon la revendication 16, caractérisée par le fait que les tronçons extrêmes, situés du côté de la couche (4) de fils transversaux (5, 6, 7) tourné à l'opposé de la couche (2) de fils longitudinaux (3), sont rabattus et bloqués sur des fils transversaux (5, 6, 7).
  18. Garniture de machine à papier, selon la revendication 17, caractérisée par le fait que des tronçons extrêmes de fils longitudinaux (3) d'une couche (2) sont rabattus et bloqués sur eux-mêmes, aux faces extrêmes de ladite garniture (1), en formant des boucles.
  19. Garniture de machine à papier, selon l'une des revendications 16 à 18, caractérisée par le fait que des tronçons extrêmes de fils longitudinaux (3), ne formant pas de boucles, sont respectivement bloqués sur le dernier fil transversal (5, 6, 7) à la face extrême de ladite garniture (1).
  20. Garniture de machine à papier, selon l'une des revendications 16 à 19, caractérisée par le fait que, de manière alternée, au moins un tronçon extrême est rabattu en formant une boucle, et au moins un tronçon extrême s'achève sur le bord extérieur du dernier fil transversal (5, 6, 7) à la face extrême de ladite garniture (1).
  21. Garniture de machine à papier, selon l'une des revendications 16 à 20, caractérisée par le fait que des fils longitudinaux d'une seconde couche de fils longitudinaux, attenante à la couche de fils transversaux, se rattachent aux extrémités des tronçons extrêmes.
  22. Garniture de machine à papier, selon l'une des revendications 1 à 21, caractérisée par le fait que les fils longitudinaux et/ou transversaux (3, 5, 6, 7) sont constitués de PET, de PA sous toutes les variantes, de PPS, de PEK, de PEEK, d'un polyester élastique, de PBT ou de PTT, voire de combinaisons de ces derniers.
  23. Garniture de machine à papier, selon l'une des revendications 1 à 22, caractérisée par le fait que les fils longitudinaux et/ou transversaux (3, 5, 6, 7) sont renforcés par des fibres.
  24. Garniture de machine à papier, selon l'une des revendications 1 à 23, caractérisée par le fait qu'une couche de fibres est prévue sur au moins un côté.
  25. Procédé de production d'une garniture poreuse (1) de machine à papier, dans lequel un assemblage de fils est fabriqué en superposant mutuellement au moins une couche (2) de fils longitudinaux (3) et au moins une couche (4) de fils transversaux (5, 6, 7) croisant lesdits fils longitudinaux (3), caractérisé par le fait que les fils longitudinaux et transversaux (3 ; 5, 6, 7) sont reliés les uns aux autres mécaniquement ou par concordance de formes en des points d'intersection (8).
  26. Procédé selon la revendication 25, caractérisé par le fait que les fils longitudinaux et transversaux (3 ; 5, 6, 7) sont additionnellement solidarisés par fusion mutuelle et/ou par fusion avec les parties (10) qui les relient, en des points d'intersection (8), suite à un chauffage restreint jusqu'à une température de fusion, s'opérant sur lesdits points d'intersection (8).
  27. Procédé selon la revendication 26, caractérisé par le fait que le chauffage a lieu au moyen d'une énergie laser, d'une énergie de haute fréquence et/ou d'une énergie d'induction.
  28. Procédé selon la revendication 26 ou 27, caractérisé par le fait que l'énergie est délivrée ponctuellement.
  29. Procédé selon la revendication 26 ou 27, caractérisé par le fait que l'énergie est délivrée superficiellement, sur plusieurs points d'intersection (8) devant subir une fusion, et ces points d'intersection (8) ont été préalablement munis d'un adjuvant favorisant l'absorption de l'énergie.
  30. Procédé selon la revendication 29, caractérisé par le fait que l'adjuvant est un colorant, une substance luminoactive ou une poudre métallique.
  31. Procédé selon la revendication 29 ou 30, caractérisé par le fait que l'adjuvant est appliqué uniquement sur les fils et/ou entre les fils.
  32. Procédé selon l'une des revendications 25 à 31, caractérisé par le fait que les fils longitudinaux et transversaux (3 ; 5, 6, 7) sont additionnellement solidarisés par collage mutuel et/ou par collage avec les parties (10) qui les relient, en des points d'intersection (8), en utilisant un adhésif.
  33. Procédé selon l'une des revendications 25 à 32, caractérisé par le fait que des fils longitudinaux (3) sont tout d'abord tendus parallèlement les uns aux autres, et des fils transversaux (5, 6, 7) sont ensuite successivement placés sur ces fils longitudinaux (3), individuellement ou par groupes, puis assujettis auxdits fils longitudinaux (3) ; et par le fait que l'assemblage de fils est transporté dans le sens longitudinal, et est ensuite enroulé.
  34. Procédé selon la revendication 33, caractérisé par le fait que des fils transversaux (5, 6, 7) sont également fixés sur l'autre côté des fils longitudinaux (3), simultanément ou à un stade ultérieur.
  35. Procédé selon l'une des revendications 25 à 34, caractérisé par le fait que les couches (2, 4) sont pressées l'une sur l'autre par intervalles, aux points d'intersection (8), en vue du blocage à demeure.
  36. Procédé selon l'une des revendications 25 à 35, caractérisé par le fait qu'une couche de fibres est déposée sur l'assemblage de fils, d'un côté ou des deux côtés, puis fixée audit assemblage.
EP20020009447 2002-04-25 2002-04-25 Habillage de machine à papier et procédé de sa production Expired - Lifetime EP1359252B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
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
EP20020009447 EP1359252B1 (fr) 2002-04-25 2002-04-25 Habillage de machine à papier et procédé de sa production
DE50200627T DE50200627D1 (de) 2002-04-25 2002-04-25 Papiermaschinenbespannung sowie Verfahren zu deren Herstellung
CA 2426518 CA2426518C (fr) 2002-04-25 2003-04-24 Habillage de machine a papier et methode de fabrication
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 (fr) 2002-04-25 2002-04-25 Habillage de machine à papier et procédé de sa production

Publications (2)

Publication Number Publication Date
EP1359252A1 EP1359252A1 (fr) 2003-11-05
EP1359252B1 true EP1359252B1 (fr) 2004-07-14

Family

ID=28799642

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020009447 Expired - Lifetime EP1359252B1 (fr) 2002-04-25 2002-04-25 Habillage de machine à papier et procédé de sa production

Country Status (6)

Country Link
US (1) US7220340B2 (fr)
EP (1) EP1359252B1 (fr)
AT (1) ATE271154T1 (fr)
CA (1) CA2426518C (fr)
DE (1) DE50200627D1 (fr)
ES (1) ES2223995T3 (fr)

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Publication number Priority date Publication date Assignee Title
US6989080B2 (en) 2003-06-19 2006-01-24 Albany International Corp. Nonwoven neutral line dryer fabric
ES2268516T3 (es) 2004-03-12 2007-03-16 HEIMBACH GMBH & CO. Cinta de maquina papelera.
DE502005001993D1 (de) * 2005-08-04 2007-12-27 Heimbach Gmbh & Co Kg Formiersieb für den Einsatz in einer Papiermaschine sowie Verfahren zur Herstellung eines solchen Formiersiebes
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
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
BRPI0816197B1 (pt) * 2007-09-05 2018-12-18 Albany Int Corp método de solda de parte de tecido industrial e costura.
CN104520096B (zh) 2013-04-19 2017-03-01 艾斯登强生股份有限公司 含弹性载体层缝合压毡及其制造方法
WO2018081500A1 (fr) 2016-10-27 2018-05-03 The Procter & Gamble Company Élément de déviation pour la fabrication de structures fibreuses
US10385510B2 (en) 2016-11-16 2019-08-20 Astenjohnson, Inc. Seamless press felt with intermediate elastic carrier layer
TWD193829S (zh) 2017-08-03 2018-11-01 希臘商卡拉提斯公司 護網

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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
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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.
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Also Published As

Publication number Publication date
CA2426518A1 (fr) 2003-10-25
ATE271154T1 (de) 2004-07-15
US20040007281A1 (en) 2004-01-15
US7220340B2 (en) 2007-05-22
EP1359252A1 (fr) 2003-11-05
CA2426518C (fr) 2008-09-09
ES2223995T3 (es) 2005-03-01
DE50200627D1 (de) 2004-08-19

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