EP0544167B1 - Toile pour machine à papier, en particulier toile de séchage - Google Patents

Toile pour machine à papier, en particulier toile de séchage Download PDF

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Publication number
EP0544167B1
EP0544167B1 EP92119517A EP92119517A EP0544167B1 EP 0544167 B1 EP0544167 B1 EP 0544167B1 EP 92119517 A EP92119517 A EP 92119517A EP 92119517 A EP92119517 A EP 92119517A EP 0544167 B1 EP0544167 B1 EP 0544167B1
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EP
European Patent Office
Prior art keywords
cross
section
paper
multifilaments
making machine
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
EP92119517A
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German (de)
English (en)
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EP0544167A1 (fr
Inventor
Walter Halterbeck
Martin Hüser
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
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Filing date
Publication date
Application filed by Thomas Josef Heimbach and Co GmbH filed Critical Thomas Josef Heimbach and Co GmbH
Publication of EP0544167A1 publication Critical patent/EP0544167A1/fr
Application granted granted Critical
Publication of EP0544167B1 publication Critical patent/EP0544167B1/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
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/30—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the fibres or filaments
    • D03D15/37—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the fibres or filaments with specific cross-section or surface shape
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
    • D03D15/44—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads with specific cross-section or surface shape
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/04—Heat-responsive characteristics
    • D10B2401/041—Heat-responsive characteristics thermoplastic; thermosetting
    • 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]
    • Y10T442/3065—Including strand which is of specific structural definition
    • 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]
    • Y10T442/3065—Including strand which is of specific structural definition
    • Y10T442/3073—Strand material is core-spun [not sheath-core bicomponent strand]
    • 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]
    • Y10T442/3065—Including strand which is of specific structural definition
    • Y10T442/3089—Cross-sectional configuration of strand material is specified
    • Y10T442/3106—Hollow strand material
    • 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]
    • Y10T442/3065—Including strand which is of specific structural definition
    • Y10T442/3089—Cross-sectional configuration of strand material is specified
    • Y10T442/3114—Cross-sectional configuration of the strand material is other than circular
    • 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
    • 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.]
    • Y10T442/40—Knit fabric [i.e., knit strand or strip material]
    • Y10T442/425—Including strand which is of specific structural definition
    • 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.]
    • Y10T442/40—Knit fabric [i.e., knit strand or strip material]
    • Y10T442/425—Including strand which is of specific structural definition
    • Y10T442/431—Cross-sectional configuration of strand material is specified
    • 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.]
    • Y10T442/40—Knit fabric [i.e., knit strand or strip material]
    • Y10T442/494—Including a nonwoven fabric layer other than paper
    • 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.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/608—Including strand or fiber material which is of specific structural definition
    • Y10T442/609—Cross-sectional configuration of strand or fiber material is specified
    • 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.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/608—Including strand or fiber material which is of specific structural definition
    • Y10T442/609—Cross-sectional configuration of strand or fiber material is specified
    • Y10T442/611—Cross-sectional configuration of strand or fiber material is other than circular
    • 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.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/608—Including strand or fiber material which is of specific structural definition
    • Y10T442/609—Cross-sectional configuration of strand or fiber material is specified
    • Y10T442/612—Hollow strand or fiber material
    • 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.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/682—Needled nonwoven fabric

Definitions

  • the invention relates to a paper machine clothing, in particular dryer fabric, with or consisting of a textile fabric, for. B. a fabric, knitted fabric, scrim or the like, which has flattened threads in cross-section, wherein the longer axis of the cross-section of these threads extends parallel to the plane of the paper machine clothing.
  • Paper machine clothing is textile webs of very great length and considerable width, which are used for the formation and guidance as well as the transport of the paper web through the individual parts of the paper machine, essentially the sheet formation section, the press section and the dryer section.
  • fabrics are used as textile fabrics for the material web, the structure of which is specially adapted to the respective requirements in the individual batches of the paper machine.
  • these fabrics are also covered with needled fleece on one or both sides and needled to obtain felt-like surfaces.
  • other flat structures can also be used, for example warp knitted fabrics or scrims.
  • Monofilaments or multifilaments consisting of individual fibers are used for the flat structure of paper machine clothing.
  • Thermoplastic polymers in particular polyamides, polyesters or the like, are practically without exception suitable as materials for this.
  • the monofilaments or the individual fibers of the multifilaments are solid and have a diameter of 0.1 mm and above.
  • the cross section is usually circular.
  • the use of flattened threads has considerable advantages, particularly when used as a dryer fabric.
  • the dryer fabric can be made thinner, which results in better heat transfer from the heating rollers to the paper web.
  • the material density inside the dryer fabric is greater than when using circular threads, which reduces the air permeability. Too high air permeability has the consequence that considerable air movements take place through the dryer fabric, which can lead to fluttering of the dryer fabric.
  • the invention is therefore based on the object to design a paper machine clothing of the type mentioned so that it is ensured that the flattened threads are always oriented so that the longer axis of the thread cross section extends parallel to the plane of the paper machine clothing.
  • the invention further relates to a method for producing such a paper machine clothing.
  • the flattened threads consist of monofilaments which are annular in cross section and / or of multifilaments which are formed from individual fibers which are annular in cross section, the monofilaments or individual fibers of the multifilaments which are annular in cross section at least in the areas in which they run essentially parallel to the plane of the paper machine clothing, are plastically deformed to the flattened cross section.
  • Such paper machine clothing can be produced according to the invention in such a way that hollow monofilaments and / or multifilaments with hollow fibers in cross section are used for the flat structure in cross-section and that the flat structure provided therewith or consisting thereof is subjected to such pressure and heat treatment that the Monofilaments or multifilaments are plastically deformed to the flattened cross-section at least in the areas in which they run essentially parallel to the plane of the paper machine clothing.
  • the formation of Fabric initially uses hollow monofilaments and / or multifilaments with hollow individual fibers, so that it does not matter in which orientation they are introduced or integrated into the fabric.
  • the deformation to a flattened cross-section is then carried out by a pressure and heat treatment, for example by calendering, in that the finished thread system is passed between one or other pairs of heated rollers.
  • a pressure and heat treatment for example by calendering
  • the hollow monofilaments or the multifilaments with hollow individual fibers are plastically deformed and in this way obtain a flattened cross section. Normal machines can therefore be used for the production of the fabric.
  • hollow fibers as supports for a treatment liquid in paper machine clothing (EP-A1 0 ⁇ 191 231).
  • This treatment liquid escapes through openings, for example at the end of the fibers, during operation of the paper machine clothing, in particular in order to achieve a cleaning effect.
  • the fibers are parts of spun yarns, multifilaments or needled nonwovens.
  • the monofilaments or fibers of the multifilaments which are ring-shaped in cross section, are deformed in such a way that their inner sides abut one another, ie. H. are flattened as much as possible in order to achieve the thinnest possible thread system.
  • the paper machine clothing consists of the textile fabric, use as a dryer fabric is particularly suitable.
  • the invention can also be used for all other types of paper machine clothing. If the paper machine clothing is intended as a press felt, there is the possibility of needling the textile fabric with the flattened threads on one or both sides in a manner known per se with a nonwoven fabric, so that the covering is given a felt-like surface on one or both sides.
  • the ring-shaped monofilaments or multifilaments with ring-shaped individual fibers deformed according to the invention can in principle be introduced into the thread system both in the longitudinal and in the transverse direction. Significant advantages however, this is already achieved when these monofilaments or multifilaments run only in one direction of the paper machine clothing, specifically when the thread system is flat-woven, preferably in the transverse direction. Cross-sectionally round threads can then be used for the longitudinal direction. However, solid flat wires can also be used, since warp threads can be kept twist-free more easily than weft threads in a weaving machine.
  • the paper machine clothing has or consists of a fabric formed as a fabric
  • the fabric has the same weave on both sides, that is to say it is symmetrical in this respect.
  • An advantageous further development of the method according to the invention consists in using hollow monofilaments and / or hollow fibers for the multifilaments as starting material for the flat structure, which have a circular cross section on the outside and inside before they are plastically deformed. The orientation in which they are introduced into the thread system is then irrelevant.
  • hollow monofilaments or hollow individual fibers should also be used for the multifilaments, which have a free cross-sectional area that is between 20 ⁇ and 80 ⁇ %, preferably 40 ⁇ to 60 ⁇ % of the total cross-sectional area.
  • a free cross-sectional area that is between 20 ⁇ and 80 ⁇ %, preferably 40 ⁇ to 60 ⁇ % of the total cross-sectional area.
  • the dryer fabric (1) shown in the figures is intended for the dryer section of a paper machine. It consists of a fabric (2), which is only shown here by way of example in plain weave, with itself in the transverse direction, i. H. transverse threads (3, 4, 5) extending transversely to the intended running direction of the drying wire (1) and longitudinal threads (6, 7, 8, 9) extending along the running direction.
  • the transverse threads (3, 4, 5) run relatively straight through the body of the fabric (2) and are designed as solid monofilaments.
  • the longitudinal threads (6, 7, 8, 9) are annular in cross-section during the manufacture of the fabric (2) Hollow monofilaments have been used, as can be seen in particular from Figures (2) and (3).
  • the longitudinal threads (6, 7, 8, 9) initially have a circular cross section on the inside and outside and tie in the cross threads (3, 4, 5).
  • the fabric (2) is subjected to a calendering treatment by passing it between pairs of calendering rollers pressed against one another, this calendering treatment also being able to be carried out several times. Due to this calendering treatment, the flat sides of the fabric (2) are subjected to a simultaneous pressure and heat treatment.
  • the longitudinal threads (6, 7, 8, 9) designed as hollow monofilaments are flattened, i.e. have an almost rectangular cross-section, the inside of the longitudinal threads (6, 7, 8, 9) coming to lie on top of one another, such as this is particularly clear from Figures (5) and (6).
  • the thickness of the drying wire (1) is considerably reduced due to the flattening of the longitudinal threads (6, 7, 8, 9).
  • the thickness could be reduced even further by using hollow monofilaments for the transverse threads (3, 4, 5).

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Paper (AREA)
  • Woven Fabrics (AREA)
  • Drying Of Solid Materials (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (10)

  1. Garniture pour machine à papier comprenant une structure textile plane ou consistant en une telle structure, par exemple en un tissu, un tricot, un entrelacs ou une structure similaire présentant des fils aplatis, l'axe respectivement le plus long de la section transversale de ces fils s'étendant parallèlement au plan de la garniture pour machine à papier, caractérisée par le fait que les fils aplatis (6, 7, 8, 9) consistent en des monofilaments de section transversale annulaire et/ou en des multifilaments formés par des fibres individuelles de section transversale annulaire, les monofilaments ou les fibres individuelles des multifilaments, respectivement de section transversale annulaire, étant déformé(e)s plastiquement, pour obtenir la section transversale aplatie, au moins dans les régions dans lesquelles ils (elles) s'étendent pour l'essentiel parallèlement au plan de la garniture (1) pour machine à papier.
  2. Garniture pour machine à papier, selon la revendication 1,
    caractérisée par le fait que les monofilaments (6, 7, 8, 9) ou les fibres individuelles des multifilaments, respectivement de section transversale annulaire, sont déformé(e)s de façon telle que leurs faces internes soient appliquées les unes contre les autres.
  3. Garniture pour machine à papier, selon l'une des revendications 1 ou 2,
    caractérisée par le fait que la structure textile plane est assemblée par piqûre, d'un côté ou des deux côtés, avec une carde fibreuse.
  4. Garniture pour machine à papier, selon les revendications 1 à 3,
    caractérisée par le fait que les monofilaments annulaires, respectivement les multifilaments à fibres individuelles annulaires, s'étendent uniquement dans le sens transversal de la garniture (1) pour machine à papier.
  5. Garniture pour machine à papier, selon l'une des revendications 1 à 4,
    caractérisée par le fait que ladite garniture (1) pour machine à papier présente une structure plane réalisée sous la forme d'un tissu (2), ou est constituée de ladite structure ; et par le fait que le tissu (2) comporte une armure identique des deux côtés.
  6. Procédé de fabrication d'une garniture pour machine à papier, selon l'une des revendications 1 à 5,
    caractérisé par le fait qu'on utilise, en tant que matériau de départ pour la structure textile plane, des monofilaments creux (6, 7, 8, 9) et/ou des multifilaments à fibres individuelles creuses ; et par le fait que la structure plane munie de ces éléments est soumise à un traitement par pression et par chaleur tel que les monofilaments ou multifilaments soient respectivement déformés plastiquement, pour obtenir la section transversale aplatie, au moins dans les régions dans lesquelles ils s'étendent pour l'essentiel parallèlement au plan de la garniture pour machine à papier.
  7. Procédé selon la revendication 6,
    caractérisé par le fait qu'on utilise, en tant que matériau de départ pour la structure plane (2), des monofilaments creux (6, 7, 8, 9) et/ou des fibres individuelles creuses destinées aux multifilaments, qui présentent extérieurement et intérieurement une section transversale circulaire.
  8. Procédé selon la revendication 7,
    caractérisé par le fait que les monofilaments creux (6, 7, 8, 9) ou, respectivement, les fibres individuelles des multifilaments possèdent transversalement une surface interne libre représentant entre 20 et 80 %, de préférence entre 40 et 60 % de la surface totale de leur section transversale.
  9. Procédé selon l'une des revendications 6 à 8,
    caractérisé par le fait que les monofilaments creux, respectivement les multifilaments à fibres individuelles creuses, sont intégrés dans l'assemblage de fils (2) uniquement dans le sens transversal de la garniture (1) pour machine à papier.
  10. Procédé selon l'une des revendications 6 à 9, caractérisé par le fait que l'assemblage de fils (2) est calandré en vue du traitement par pression et par chaleur.
EP92119517A 1991-11-19 1992-11-14 Toile pour machine à papier, en particulier toile de séchage Expired - Lifetime EP0544167B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4137984 1991-11-19
DE4137984A DE4137984C1 (fr) 1991-11-19 1991-11-19

Publications (2)

Publication Number Publication Date
EP0544167A1 EP0544167A1 (fr) 1993-06-02
EP0544167B1 true EP0544167B1 (fr) 1996-01-03

Family

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EP92119517A Expired - Lifetime EP0544167B1 (fr) 1991-11-19 1992-11-14 Toile pour machine à papier, en particulier toile de séchage

Country Status (7)

Country Link
US (1) US5407737A (fr)
EP (1) EP0544167B1 (fr)
AT (1) ATE132553T1 (fr)
CA (1) CA2083231C (fr)
DE (2) DE4137984C1 (fr)
ES (1) ES2084248T3 (fr)
FI (1) FI96229C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
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CN1957139B (zh) * 2004-05-19 2011-04-20 海克瓦格纳尔德国有限公司 用于造纸机湿端部的成形筛

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DE59204922D1 (de) 1996-02-15
CA2083231C (fr) 2003-11-11
DE4137984C1 (fr) 1992-12-17
FI96229C (fi) 1996-05-27
CA2083231A1 (fr) 1993-05-20
ES2084248T3 (es) 1996-05-01
FI925222A (fi) 1993-05-20
EP0544167A1 (fr) 1993-06-02
FI925222A0 (fi) 1992-11-18
US5407737A (en) 1995-04-18
ATE132553T1 (de) 1996-01-15
FI96229B (fi) 1996-02-15

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