EP0416213B1 - Verfahren zur Herstellung von undurchlässigen, biegsamen Bändern - Google Patents

Verfahren zur Herstellung von undurchlässigen, biegsamen Bändern Download PDF

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Publication number
EP0416213B1
EP0416213B1 EP90109598A EP90109598A EP0416213B1 EP 0416213 B1 EP0416213 B1 EP 0416213B1 EP 90109598 A EP90109598 A EP 90109598A EP 90109598 A EP90109598 A EP 90109598A EP 0416213 B1 EP0416213 B1 EP 0416213B1
Authority
EP
European Patent Office
Prior art keywords
band
bands
fabric
mixture
fabric band
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
EP90109598A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0416213A1 (de
Inventor
Werner Schön
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.)
F Oberdorfer Siebtechnik GmbH
Original Assignee
F Oberdorfer Siebtechnik GmbH
OBERDORFER F SIEBTECH 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 F Oberdorfer Siebtechnik GmbH, OBERDORFER F SIEBTECH GmbH filed Critical F Oberdorfer Siebtechnik GmbH
Publication of EP0416213A1 publication Critical patent/EP0416213A1/de
Application granted granted Critical
Publication of EP0416213B1 publication Critical patent/EP0416213B1/de
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
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/0209—Wet presses with extended press nip
    • D21F3/0218—Shoe presses
    • D21F3/0227—Belts or sleeves therefor
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/0209—Wet presses with extended press nip
    • D21F3/0218—Shoe presses
    • D21F3/0227—Belts or sleeves therefor
    • D21F3/0236—Belts or sleeves therefor manufacturing methods
    • 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
    • Y10S162/901—Impermeable belts for extended nip press

Definitions

  • the invention relates to a process for the production of impermeable, flexible, elastic tapes with a smooth inside made of plastic fabrics, including spiral tapes and thread beds, in particular of press tapes or press sleeves which can be used for wet presses of paper machines provided with an extended press nip, a flowable mixture of a prepolymer , in particular polyurethane, is poured onto an endless fabric tape and connected to it, which is guided over a roller device deflecting this tape and coated with the flowable prepolymer mixture by means of at least one nozzle on the outside of the tape.
  • a flowable mixture of a prepolymer in particular polyurethane
  • a reinforcing fabric tape is guided over a roller device deflecting this tape from two rollers arranged parallel to one another and on the Coated outside or inside of the tape with a flowable prepolymer mixture.
  • the flowable mass reaches the roller surface, which can be provided with a release agent, in particular silicone oil, in order to facilitate the detachment of the coated inner side of the reinforcing fabric from the roller surface.
  • a release agent in particular silicone oil
  • the object of the invention is therefore to change the known procedure in such a way that the disadvantages mentioned are avoided and the finished coated fabric tape has a smooth, clean, homogeneously coated inside, which no longer has to be processed, and in particular the production of "hard” Tapes is enabled.
  • an elastic carrier tape is stretched over the roller device consisting of at least two parallel rollers, which has a smooth top, on which the fabric tape to be coated is stretched so that when coating the fabric tape with the flowable prepolymer mixture Slipping of the two bands in relation to each other is excluded.
  • an elastic band 1 is stretched as a carrier belt, which has a smooth top 12 and runs as an endless belt over the roller surfaces, whereby it is driven by at least one of the two rollers.
  • the tension of this carrier tape can be adjusted in that the two axes 4, 5 of the rollers are adjusted with respect to one another.
  • the fabric tape 10 to be coated is placed and also tensioned, so that no relative movement can take place between the carrier tape and the fabric tape, while both tapes run in this superposition in the direction of the arrow over the roller surfaces.
  • the fabric tape to be coated only touches the smooth upper side of the carrier tape with its offsets.
  • a flowable prepolymer mixture is applied in a desired layer thickness 11 via a mixing head 8 and a mixing nozzle 9, so that the pores or meshes of the fabric tape are penetrated by the coating material and the coating mass reaches the smooth upper side 12 of the carrier tape 1 and the Completely and essentially homogeneously covers the top of the opposite surface of the fabric tape, the coating material also gets under the cranks of the fabric tape before it hardens.
  • the thickness of the coating-side coating from the coating composition can be adjusted within certain limits by changing the fabric tension of the fabric tape. Such a change in tension is effected in that the two rollers 2, 3 are adjusted with respect to one another. It goes without saying that the amount of coating composition penetrating the meshes or pores of the fabric band also depends on the viscosity of the composition and can therefore be controlled within certain limits by adjusting the viscosity.
  • the coating thickness 11 that is to say the height of the coating composition on the fabric strip
  • the coating thickness 11 can also be set so that, after the coating composition has cooled and hardened, the top side of the fabric strip can be given desired structures, for example grooves and bores, by means of mechanical processing, while the inside of the Fabric tape does not have to be processed, since it is smooth and, moreover, its nature fully meets the presses.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Paper (AREA)
  • Packages (AREA)
  • Laminated Bodies (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Materials For Medical Uses (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Wrappers (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
EP90109598A 1989-09-07 1990-05-21 Verfahren zur Herstellung von undurchlässigen, biegsamen Bändern Expired - Lifetime EP0416213B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3929820A DE3929820C1 (no) 1989-09-07 1989-09-07
DE3929820 1989-09-07

Publications (2)

Publication Number Publication Date
EP0416213A1 EP0416213A1 (de) 1991-03-13
EP0416213B1 true EP0416213B1 (de) 1994-08-03

Family

ID=6388866

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90109598A Expired - Lifetime EP0416213B1 (de) 1989-09-07 1990-05-21 Verfahren zur Herstellung von undurchlässigen, biegsamen Bändern

Country Status (7)

Country Link
US (1) US5132141A (no)
EP (1) EP0416213B1 (no)
JP (1) JP2598559B2 (no)
AT (1) ATE109531T1 (no)
DE (2) DE3929820C1 (no)
ES (1) ES2058671T3 (no)
FI (1) FI98717C (no)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4020589A1 (de) * 1990-06-28 1992-01-09 Oberdorfer Fa F Beschichtetes, flexibles, undurchlaessiges pressband fuer den einsatz in breit-nip-pressen
US5171389A (en) * 1991-11-08 1992-12-15 Albany International Corp. Spiral construction of grooved long nip press
EP0658649A1 (en) 1993-12-14 1995-06-21 Appleton Mills Press belt or sleeve incorporating a spiral-type base carrier for use in long nip presses
EP0659934A3 (en) 1993-12-14 1995-09-06 Appleton Mills Band or sleeve for press comprising an open support fabric, for application in presses with extended pressing zone, and its manufacturing process.
US6124015A (en) * 1996-04-18 2000-09-26 Jwi Ltd. Multi-ply industrial fabric having integral jointing structures
US5753085A (en) * 1996-06-11 1998-05-19 Albany International Corp. Textile substrate for a long nip press belt
JP3342375B2 (ja) * 1997-10-20 2002-11-05 市川毛織株式会社 シュープレス用ブランケット
DE19754631C1 (de) * 1997-12-09 1998-12-10 Scapa Forming Gmbh Verfahren und Vorrichtung zur Herstellung von dehnungsstabilen, flüssigkeitsundurchlässigen, biegsamen Preßmänteln, insbesondere für Schuhpressen von Papiermaschinen
US6174825B1 (en) 1997-12-09 2001-01-16 Albany International Corp. Resin-impregnated belt for application on papermaking machines and in similar industrial application
FI103209B2 (fi) † 1998-01-02 2005-04-04 Valmet Corp Menetelmä puristus- tai siirtohihnan pinnoittamiseksi ja vastaava pinnoitettu hihna
US6752908B2 (en) 2001-06-01 2004-06-22 Stowe Woodward, Llc Shoe press belt with system for detecting operational parameters
US7014733B2 (en) * 2002-05-14 2006-03-21 Stowe Woodward L.L.C. Belt for shoe press and shoe calender and method for forming same
JP3795002B2 (ja) * 2002-10-04 2006-07-12 ヤマウチ株式会社 シュープレス用弾性スリーブ、シュープレス用弾性スリーブの製造方法およびシュープレスロール
US7011730B2 (en) * 2002-12-30 2006-03-14 Albany International Corp. Structure for process belt
US20040234716A1 (en) * 2003-05-21 2004-11-25 Madden Michael D. Method for forming endless belt
US7011731B2 (en) * 2003-07-02 2006-03-14 Albany International Corp. Long nip press belt made from thermoplastic resin-impregnated fibers
US7303656B2 (en) * 2003-07-02 2007-12-04 Albany International Corp. Low permeability textile substrate for a two-sided coated product
US20050003724A1 (en) * 2003-07-02 2005-01-06 Fitzpatrick Keith Substrate for endless belt for use in papermaking applications

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3592709A (en) * 1967-06-27 1971-07-13 Owens Corning Fiberglass Corp Drive belt construction
US3673024A (en) * 1969-03-06 1972-06-27 Nordiska Maskinfilt Ab Method for the manufacture of endless drive belts and conveyor bands
GB1498040A (en) * 1974-08-21 1978-01-18 Fenner Co Ltd J H Belting and similar articles
US4288475A (en) * 1979-10-22 1981-09-08 Meeker Brian L Method and apparatus for impregnating a fibrous web
DE3318984A1 (de) * 1983-05-25 1984-11-29 Fa. F. Oberdorfer, 7920 Heidenheim Herstellungsverfahren fuer zugfeste, undurchlaessige, biegsame baender insbesondere fuer pressen zum entwaessern von faserstoffbahnen
US4552620A (en) * 1983-09-19 1985-11-12 Beloit Corporation Paper machine belt
US4787946A (en) * 1987-08-07 1988-11-29 Albany International Corp. Method of making a paper machine press belt
DE3801850A1 (de) * 1988-01-22 1989-07-27 Oberdorfer Fa F Verfahren und vorrichtung zur herstellung von dehnungsstabilen, fluessigkeitsundurchlaessigen, biegsamen pressbaendern, insbesondere fuer nasspressen von papiermaschinen
DE3827486A1 (de) * 1988-08-12 1990-02-15 Oberdorfer Fa F Verfahren und vorrichtung zur herstellung von dehnungsstabilen, fluessigkeitsundurchlaessigen, biegsamen pressbaendern, insbesondere fuer nasspressen von papiermaschinen

Also Published As

Publication number Publication date
FI904411A0 (fi) 1990-09-07
ATE109531T1 (de) 1994-08-15
DE59006677D1 (de) 1994-09-08
JPH0399836A (ja) 1991-04-25
DE3929820C1 (no) 1990-12-13
FI98717B (fi) 1997-04-30
ES2058671T3 (es) 1994-11-01
US5132141A (en) 1992-07-21
JP2598559B2 (ja) 1997-04-09
FI98717C (fi) 1997-08-11
EP0416213A1 (de) 1991-03-13

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