EP1748105A2 - Toile pour machine à papier - Google Patents

Toile pour machine à papier Download PDF

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Publication number
EP1748105A2
EP1748105A2 EP06114206A EP06114206A EP1748105A2 EP 1748105 A2 EP1748105 A2 EP 1748105A2 EP 06114206 A EP06114206 A EP 06114206A EP 06114206 A EP06114206 A EP 06114206A EP 1748105 A2 EP1748105 A2 EP 1748105A2
Authority
EP
European Patent Office
Prior art keywords
paper
fabric
coating
contacting
penetration depth
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.)
Withdrawn
Application number
EP06114206A
Other languages
German (de)
English (en)
Other versions
EP1748105A3 (fr
Inventor
Arved Westerkamp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Voith Patent GmbH
Original Assignee
Voith Patent 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 Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP1748105A2 publication Critical patent/EP1748105A2/fr
Publication of EP1748105A3 publication Critical patent/EP1748105A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/08—Felts
    • D21F7/083—Multi-layer felts
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/0027—Screen-cloths
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/08—Felts
    • D21F7/086—Substantially impermeable for transferring fibrous webs
    • 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.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer

Definitions

  • the invention relates to a fabric for a paper machine.
  • This may in particular be a forming fabric, a press felt or a dryer fabric.
  • the invention has for its object to provide an improved cover for a paper machine.
  • the best possible adhesion of a respective flat coating on the fabric should be ensured in particular by generating the highest possible adhesion forces.
  • the respective optimum penetration depths for the coating should be specified for the different types of clothing.
  • the fabric is provided on at least one side with a devised by the fabric.
  • a devised by the fabric is provided on at least one side with a devised by the fabric.
  • the penetration depth is to be understood as the ratio of the total thickness of the carrier material to be coated to the mean maximum thickness characteristic of the coating in the z-direction.
  • the coatings can be applied in all possible states of aggregation such as, in particular, liquid, solid, etc., and can be applied using various application methods, such as e.g. Spraying, spreading, knife coating, dipping, patting, printing, etc. are applied using different coating devices.
  • a coating should, for example, be understood as meaning a permeable or impermeable layer of at least one viscous material or at least one dispersion on a carrier substrate.
  • the materials used for the coatings are preferably selected so that they can be applied to the respective surface structures by the aforementioned application methods.
  • the selected coating materials must also possess certain so-called release properties.
  • they should also meet the respective requirements for creep resistance.
  • the materials in question may comprise, for example, polyurethanes and / or silicones.
  • the covering is preferably provided with a corresponding coating, at least on its paper-contacting side. Basically, however, coated on both sides are conceivable.
  • the fabric is at least partially formed by a fabric and / or by a scrim and / or by a knitted fabric and / or by a knitted fabric.
  • the covering is advantageously pretreated with a primer or adhesion promoter.
  • a primer or adhesion promoter so a traction is achieved with which the penetration depth and thus the amount of the required coating mass can be significantly reduced.
  • the coatings are essentially applied only on the coverings in a form-fitting manner.
  • a respective clothing can be formed, for example, by a forming fabric.
  • the penetration depth of the coating on the paper-contacting side may be in particular in a range from 0 to 95%, preferably being at least substantially only the thickness of the yarn on the paper-contacting clothing side oriented transversely to the direction of the clothing equivalent.
  • the total thickness of the forming fabric provided with the coating is advantageously in a range of about 0.4 to about 1.8 mm, wherein the penetration depth of the coating based on the total thickness of the forming fabric in a range of about 0.38 to about 1.71 mm is located.
  • the embedding of a respective thread on the paper-contacting clothing side is expediently in a range from about 0.10 to about 0.25 mm.
  • a further advantageous embodiment of the invention formed by a forming fabric according to the invention is characterized in that the penetration depth of the provided on the paper-contacting clothing side coating at least substantially the sum of the strength of the on the paper-contacting string side provided in the direction of the string oriented yarn and the strength of provided on the paper-contacting string side transverse to the direction of the string oriented yarn corresponds.
  • the penetration depth of the coating is advantageously at least substantially in a range from about 0.20 to about 0.50 mm.
  • the penetration depth of the coating provided on the paper-contacting clothing side may expediently be at least substantially equal to the sum of the thickness of the yarn oriented on the paper-contacting clothing side and the thickness of the paper-contacting clothing side transverse to the direction of travel the string-oriented yarn plus a proportion of provided to the paper machine side transverse oriented threads correspond.
  • the penetration depth of the coating is advantageously at least substantially in a range from about 0.30 to about 1.60 mm.
  • the penetration depth of the provided on the paper-contacting clothing side coating at least substantially equal to the sum of the strength of the provided on the paper-contacting clothing side in the direction of the string oriented yarn and the strength of the paper-contacting Beêtsseite provided transverse to the direction of the fabric oriented yarn plus the sum of the strengths of the paper machine side provided towards the transverse direction of the fabric oriented and oriented in the direction of the fabric threads.
  • the penetration depth of the coating is advantageously at least substantially in a range of about 0.40 to about 1.71 mm.
  • the fabric according to the invention can also be formed, for example, by a press felt.
  • the penetration depth of the coating is expediently in a range from 0 to about 70%.
  • the coating is mainly incorporated in the cover fiber layers of the press felt.
  • the coating can in particular extend so far into the press felt that it touches the reinforcing structures of the press felt.
  • the fabric formed, for example, by a press felt may in particular also be coated on both sides. Assuming a maximum total thickness of the press felt of about 5 mm, the preferred penetration depth of the coating on both the paper contacting side and on the paper machine side is in a range of about 0.1 to about 3.5 mm.
  • the fabric according to the invention can in particular also be formed by a dryer fabric.
  • the penetration depth of the coating in particular on the paper-contacting clothing side, can in principle again be in a range from 0 to about 95%, based on the total thickness of the clothing.
  • the penetration depth of the coating provided on the paper-contacting side corresponds at least essentially only to the thickness of the thread arranged on the paper-contacting clothing side and oriented transversely to the direction of travel of the clothing.
  • the total thickness of the drying fabric provided with the coating is preferably in a range of about 1.2 to about 2.8 mm, wherein the penetration depth of the coating based on the total thickness of the forming fabric in a Range of about 1.14 to about 2.66 mm.
  • the embedding of a respective thread on the paper-contacting clothing side is advantageously in a range of about 0.10 to about 0.70 mm.
  • the penetration corresponds to the provided on the paper-contacting clothing side coating at least substantially the sum of the strength of provided on the paper-contacting clothing side in the direction of the string oriented yarn and the strength of the paper-contacting Beêtsseite provided transverse to the direction of the clothing oriented yarn.
  • the penetration depth of the coating is here preferably at least substantially in a range from about 0.30 to about 1.20 mm.
  • a further advantageous embodiment of the invention formed by a dryer fabric according to the invention is characterized in that the penetration depth of provided on the paper-contacting clothing side coating at least substantially the sum of the strength provided on the paper-contacting clothing side in the direction of the string oriented yarn and the strength the provided on the paper-contacting string side transverse to the direction of the string oriented yarn plus a proportion of provided for paper machine side transverse oriented threads corresponds.
  • the penetration depth of the coating is preferably at least substantially in a range from about 1.00 to about 2.20 mm.
  • a further advantageous embodiment of the invention formed by a dryer fabric according to the invention is characterized in that the penetration depth of the provided on the paper-contacting clothing side coating at least substantially the sum of the strength of the on the paper-contacting clothing side provided in the direction of the string oriented yarn and the strength of the provided on the paper-contacting clothing side transverse to the direction of the string oriented yarn plus the sum of the strengths of the paper machine side provided transverse to the direction of the fabric oriented and oriented in the direction of the fabric threads corresponds ,
  • the penetration depth of the coating is advantageously at least substantially in a range from about 1.20 to about 2.8 mm.
  • the covering may in particular also be formed by a drying fabric produced by means of the spiraling technique.
  • the penetration depth of the coating in particular on the paper-contacting side, can in principle again be in a range from 0 to about 95% relative to the total thickness of the clothing, but the penetration depth is preferably about 70% of the maximum deflection of the spiral.
  • the sole figure of the drawing shows by way of example different penetration depths of a respective coating in press felts.
  • the respective fabric 10 is thus formed in the present case, for example, by a press felt.
  • the coating 12 is provided here, for example, on the paper-contacting side of the fabric 10.
  • the penetration depth of the coating 12 relative to the total thickness D of the fabric 10 is, for example, 50%, 65% or 95% according to FIG.

Landscapes

  • Paper (AREA)
  • Woven Fabrics (AREA)
EP20060114206 2005-07-29 2006-05-19 Toile pour machine à papier Withdrawn EP1748105A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200510035559 DE102005035559A1 (de) 2005-07-29 2005-07-29 Papiermaschinenbespannung

Publications (2)

Publication Number Publication Date
EP1748105A2 true EP1748105A2 (fr) 2007-01-31
EP1748105A3 EP1748105A3 (fr) 2008-07-16

Family

ID=37322650

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20060114206 Withdrawn EP1748105A3 (fr) 2005-07-29 2006-05-19 Toile pour machine à papier

Country Status (3)

Country Link
US (1) US20070026751A1 (fr)
EP (1) EP1748105A3 (fr)
DE (1) DE102005035559A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2072675A3 (fr) * 2007-12-21 2013-05-15 Voith Patent GmbH Bande pour une machine destinée à la fabrication de matériau en bande

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007055864A1 (de) 2007-12-19 2009-06-25 Voith Patent Gmbh Transportband und Verfahren zu seiner Herstellung
DE102008000915A1 (de) * 2008-04-01 2009-10-08 Voith Patent Gmbh Pressfilz und Verfahren zu seiner Herstellung
DE102008043917A1 (de) 2008-11-20 2010-05-27 Voith Patent Gmbh Pressfilz und Verfahren zu seiner Herstellung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1058616A (en) * 1964-01-31 1967-02-15 Henry Johnson Fourdrinier wires for paper-making machines
DE1660768A1 (de) * 1965-02-17 1971-07-15 Filztuchverwaltungs Gmbh Verfahren zur Herstellung textiler Flaechengebilde,insbesondere genadelte Papiermaschinenfilze,ohne Grundgewebe oder verstaerkende Einlagen
US3653961A (en) * 1970-02-11 1972-04-04 Huyck Corp Papermakers fabrics
US4359069A (en) * 1980-08-28 1982-11-16 Albany International Corp. Low density multilayer papermaking fabric
US5118557A (en) * 1988-10-31 1992-06-02 Albany International Corp. Foam coating of press fabrics to achieve a controlled void volume
GB9521299D0 (en) * 1995-10-18 1995-12-20 Scapa Group Plc Papermakers dryer fabric
GB9803172D0 (en) * 1998-02-14 1998-04-08 Scapa Group Plc Porous belts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2072675A3 (fr) * 2007-12-21 2013-05-15 Voith Patent GmbH Bande pour une machine destinée à la fabrication de matériau en bande

Also Published As

Publication number Publication date
EP1748105A3 (fr) 2008-07-16
DE102005035559A1 (de) 2007-02-01
US20070026751A1 (en) 2007-02-01

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