EP0859082B1 - Bande pour presse, en particulier une enveloppe de pressage - Google Patents

Bande pour presse, en particulier une enveloppe de pressage Download PDF

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Publication number
EP0859082B1
EP0859082B1 EP98101795A EP98101795A EP0859082B1 EP 0859082 B1 EP0859082 B1 EP 0859082B1 EP 98101795 A EP98101795 A EP 98101795A EP 98101795 A EP98101795 A EP 98101795A EP 0859082 B1 EP0859082 B1 EP 0859082B1
Authority
EP
European Patent Office
Prior art keywords
reinforcing filaments
press
belt
extending
matrix
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
EP98101795A
Other languages
German (de)
English (en)
Other versions
EP0859082A3 (fr
EP0859082A2 (fr
Inventor
Andreas Endters
Uwe Matuschczyk
Karl Dr. Steiner
Josef MÜLLNER
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 Paper 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 Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP0859082A2 publication Critical patent/EP0859082A2/fr
Publication of EP0859082A3 publication Critical patent/EP0859082A3/fr
Application granted granted Critical
Publication of EP0859082B1 publication Critical patent/EP0859082B1/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
    • 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

Definitions

  • the invention relates to a press belt, in particular a press jacket, to form at least one between the orbiting Band and a respective counter surface lying press nip for the treatment of a fibrous web, in particular one Paper and / or cardboard web, with one made of elastomeric material existing matrix and at least two reinforcing the matrix Layers of reinforcing threads (see e.g. DE-A-4202731 or EP-A-0469338 corresponding to the preamble of claim 1).
  • Such a press belt can, for example, in a Shoe press are used and especially for education at least one press nip extended in the direction of web travel serve, for example, by a press shoe to the Counter surface is pressed, the corresponding to this counter surface is adjusted.
  • the respective shoe press unit for example formed as a shoe press roll, this serves Press belt as a press jacket.
  • the aim of the invention is to provide a press belt of the type mentioned kind of creating that, especially in terms of reinforcement and further optimized their connection to the matrix material is and accordingly has an improved strength.
  • the reinforcing threads can be at least partially structured or have a fibrous surface.
  • the enlarged Surface leads to improved adhesion.
  • Press tape are the layers of reinforcement threads completely embedded in the matrix material.
  • Figure 1 shows a schematic plan view of a section a gain in the manner shown in Figure 2 into the matrix 10 made of elastomeric material
  • Press belt here a press jacket 12
  • On such a press jacket 12 can form at least one between the circulating belt and a respective counter surface lying press nip serve through the one to be treated Fibrous web such as in particular a paper and / or cardboard web to be led.
  • the respective thickness d of the reinforcing threads 14, 16 of both layers is at least about 0.5 mm.
  • the distance a1 between those extending in the transverse direction Reinforcing threads 14 is at most about 3 mm.
  • the radially outward facing Reinforcing threads 16 to the radially further inside Reinforcement threads 14 in the direction of the tape or jacket thickness i.e. in the present case a distance a3 from each other in the radial direction on that in a range from about 0 to about 4 mm lies (see in particular Figure 2).
  • the ratio between the volume of the circumferentially L extending reinforcing threads 16 to the volume of the reinforcing threads 14 extending in the transverse direction in the present case greater than or equal to 1.
  • the ratio between the volume of the thread material of the reinforcement and the matrix material is greater than or equal to 0.2.
  • Figure 3 shows a schematic sectional view of a section a further embodiment one with a reinforcement provided press jacket 12.
  • the reinforcing threads 14, 16 a fibrous surface 18, whereby a better connection to the matrix 10 is guaranteed.
  • the radial distance is between the reinforcing threads 14 and the reinforcing threads 16 less than in the previously described embodiment.
  • these embodiments have the same Basic structure.
  • the reinforcement threads 14, 16 layers formed completely in both cases Embedded matrix material.

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  • Paper (AREA)

Claims (3)

  1. Bande de pressage, en particulier courroie de pressage (12), pour la formation d'au moins une ligne de contact entre la bande en mouvement et une surface conjuguée respective, pour le traitement d'une nappe fibreuse comme en particulier une nappe de papier et/ou de carton, comprenant une matrice (10) en matériau élastomère et au moins deux couches renforçant la matrice (10) en fils de renforcement (14, 16), le renforcement comprenant une couche de fils de renforcement (14) s'étendant transversalement à la direction d'avance de la bande (L) et une couche de fils de renforcement (16) s'étendant dans la direction d'avance de la bande (L), et l'épaisseur respective (d) des fils de renforcement (14, 16) des deux couches étant d'au moins environ 0,5 mm,
    caractérisée en ce que
    la distance (a1) entre les fils de renforcement (14) s'étendant dans la direction transversale est d'au plus environ 3 mm, en ce que la distance (a2) entre les fils de renforcement (16) s'étendant dans la direction d'avance de la bande (L) est d'au plus environ 2,5 mm, en ce que les fils de renforcement d'une couche présentent les uns des autres une distance (a3) par rapport à ceux de l'autre couche dans la direction de l'épaisseur de la bande, qui se situe dans une plage d'environ 0 à environ 4 mm, en ce que le rapport entre le volume des fils de renforcement (16) s'étendant dans la direction d'avance de la bande (L) au volume des fils de renforcement (14) s'étendant dans la direction transversale est supérieur ou èqal à 1 et en ce que le rapport entre le volume du matériau des fils du renforcement et le matériau de la matrice est supérieur ou égal à 0,2.
  2. Bande de pressage selon la revendication 1, caractérisée en ce que les fils de renforcement (14, 16) possèdent au moins en partie une surface structurée ou fibreuse (18).
  3. Bande de pressage selon la revendication 1 ou 2, caractérisée en ce que des couches de fils de renforcement (14, 16) sont complètement noyées dans le matériau de la matrice.
EP98101795A 1997-02-17 1998-02-03 Bande pour presse, en particulier une enveloppe de pressage Expired - Lifetime EP0859082B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19706097A DE19706097A1 (de) 1997-02-17 1997-02-17 Preßband, insbesondere Preßmantel
DE19706097 1997-02-17

Publications (3)

Publication Number Publication Date
EP0859082A2 EP0859082A2 (fr) 1998-08-19
EP0859082A3 EP0859082A3 (fr) 1999-02-10
EP0859082B1 true EP0859082B1 (fr) 2002-09-18

Family

ID=7820534

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98101795A Expired - Lifetime EP0859082B1 (fr) 1997-02-17 1998-02-03 Bande pour presse, en particulier une enveloppe de pressage

Country Status (2)

Country Link
EP (1) EP0859082B1 (fr)
DE (2) DE19706097A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8034216B2 (en) 2005-12-17 2011-10-11 Voith Patent Gmbh Roll cover
US20220034036A1 (en) * 2018-09-18 2022-02-03 Voith Patent Gmbh Press cover, use thereof, and press roll, shoe press and use of a reinforcing thread in a press cover

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6174825B1 (en) * 1997-12-09 2001-01-16 Albany International Corp. Resin-impregnated belt for application on papermaking machines and in similar industrial application
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
DE10007337A1 (de) * 2000-02-17 2001-08-23 Voith Paper Patent Gmbh Elastisches Transferband
DE102005060525A1 (de) 2005-12-17 2007-06-21 Voith Patent Gmbh Transportband
CH715269A2 (de) * 2018-08-23 2020-02-28 Clupak Ag Verfahren zur Herstellung eines Gummituchs.
DE102018122780A1 (de) * 2018-09-18 2020-03-19 Voith Patent Gmbh Pressmantel, dessen Verwendung sowie Presswalze und Schuhpresse
DE102018122777A1 (de) * 2018-09-18 2020-03-19 Voith Patent Gmbh Pressmantel, dessen Verwendung sowie Presswalze und Schuhpresse

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3715153A1 (de) * 1987-05-07 1988-12-01 Voith Gmbh J M Verstaerkter pressmantel fuer eine presseinrichtung zur behandlung bahnfoermigen gutes, wie z. b. von papierbahnen, sowie verfahren und vorrichtung zu seiner herstellung
US4946731A (en) * 1989-09-28 1990-08-07 Albany International Corp. Construction for an extended nip press belt
DE4022800C1 (fr) * 1990-07-18 1991-09-19 J.M. Voith Gmbh, 7920 Heidenheim, De
DE4202731C2 (de) * 1992-01-31 1997-04-17 Voith Gmbh J M Preßmantel für eine Schuhpresse
DE9201143U1 (de) * 1992-01-31 1992-03-26 J.M. Voith Gmbh, 7920 Heidenheim Preßmantel für eine Schuhpresse

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8034216B2 (en) 2005-12-17 2011-10-11 Voith Patent Gmbh Roll cover
US20220034036A1 (en) * 2018-09-18 2022-02-03 Voith Patent Gmbh Press cover, use thereof, and press roll, shoe press and use of a reinforcing thread in a press cover

Also Published As

Publication number Publication date
DE19706097A1 (de) 1998-08-20
EP0859082A3 (fr) 1999-02-10
DE59805562D1 (de) 2002-10-24
EP0859082A2 (fr) 1998-08-19

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