EP0859082B1 - Pressband, insbesondere Pressmantel - Google Patents
Pressband, insbesondere Pressmantel Download PDFInfo
- 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
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 29
- 239000011159 matrix material Substances 0.000 claims description 19
- 230000002787 reinforcement Effects 0.000 claims description 14
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000011111 cardboard Substances 0.000 description 2
- 239000011087 paperboard Substances 0.000 description 2
Images
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.
Landscapes
- Paper (AREA)
Description
- Figur 1
- in schematischer Draufsicht einen Ausschnitt einer in der Matrix eines Preßmantels eingebetteten Verstärkung,
- Figur 2
- eine schematische Schnittdarstellung eines Ausschnitts eines mit der Verstärkung gemäß Figur 1 versehenen Preßmantels, geschnitten in Radialrichtung, und
- Figur 3
- eine schematische Schnittdarstellung eines Ausschnitts einer weiteren Ausführungsform eines mit einer Verstärkung versehenen Preßmantels, geschnitten in Radialrichtung.
- 10
- Matrix
- 12
- Preßmantel
- 14
- Verstärkungsfäden
- 16
- Verstärkungsfäden
- 18
- faserige Oberfläche
- a1
- Abstand
- a2
- Abstand
- a3
- Abstand
- d
- Dicke
- L
- Bandlaufrichtung, Umfangsrichtung
Claims (3)
- Preßband, insbesondere Preßmantel (12), zur Bildung wenigstens eines zwischen dem umlaufenden Band und einer jeweiligen Gegenfläche liegenden Preßspaltes zur Behandlung einer Faserstoffbahn wie insbesondere einer Papier- und/oder Kartonbahn, mit einer aus elastomerem Material bestehenden Matrix (10) und wenigstens zwei die Matrix (10) verstärkenden Lagen aus Verstärkungsfäden (14, 16), wobei die Verstärkung eine Lage aus sich quer zur Bandlaufrichtung (L) erstreckenden Verstärkungsfäden (14) und eine Lage aus sich in Bandlaufrichtung (L) erstreckenden Verstärkungsfäden (16) umfaßt und die jeweilige Dicke (d) der Verstärkungsfäden (14, 16) beider Lagen zumindest etwa 0,5 mm beträgt, dadurch gekennzeichnet, daß
der Abstand (a1) zwischen den sich in Querrichtung erstreckenden Verstärkungsfäden (14) höchstens etwa 3 mm beträgt, daß der Abstand (a2) zwischen den sich in Bandlaufrichtung (L) erstreckenden Verstärkungsfäden (16) höchstens etwa 2,5 mm beträgt, daß die Verstärkungsfäden der einen Lage von denen der anderen Lage in Banddickenrichtung einen Abstand (a3) voneinander aufweisen, der in einem Bereich von etwa 0 bis etwa 4 mm liegt, daß das Verhältnis zwischen dem Volumen der sich in Bandlaufrichtung (L) erstreckenden Verstärkungsfäden (16) zu dem Volumen der sich in Querrichtung erstreckenden Verstärkungsfäden (14) größer oder gleich 1 ist und daß das Verhältnis zwischen dem Volumen des Fadenmaterials der Verstärkung und dem Matrixmaterial größer oder gleich 0,2 ist. - Preßband nach Anspruch 1, dadurch gekennzeichnet, daß
die Verstärkungsfäden (14, 16) zumindest teilweise eine strukturierte bzw. eine faserige Oberfläche (18) besitzen. - Preßband nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß
Lagen aus Verstärkungsfäden (14, 16) vollständig in das Matrixmaterial eingebettet sind.
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 (de) | 1998-08-19 |
| EP0859082A3 EP0859082A3 (de) | 1999-02-10 |
| EP0859082B1 true EP0859082B1 (de) | 2002-09-18 |
Family
ID=7820534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98101795A Expired - Lifetime EP0859082B1 (de) | 1997-02-17 | 1998-02-03 | Pressband, insbesondere Pressmantel |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0859082B1 (de) |
| DE (2) | DE19706097A1 (de) |
Cited By (2)
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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. |
| DE102018122777A1 (de) * | 2018-09-18 | 2020-03-19 | Voith Patent Gmbh | Pressmantel, dessen Verwendung sowie Presswalze und Schuhpresse |
| DE102018122780A1 (de) * | 2018-09-18 | 2020-03-19 | Voith Patent Gmbh | Pressmantel, dessen Verwendung sowie Presswalze und Schuhpresse |
Family Cites Families (5)
| 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 (de) * | 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 |
-
1997
- 1997-02-17 DE DE19706097A patent/DE19706097A1/de not_active Withdrawn
-
1998
- 1998-02-03 DE DE59805562T patent/DE59805562D1/de not_active Expired - Lifetime
- 1998-02-03 EP EP98101795A patent/EP0859082B1/de not_active Expired - Lifetime
Cited By (2)
| 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 |
|---|---|
| EP0859082A3 (de) | 1999-02-10 |
| DE19706097A1 (de) | 1998-08-20 |
| DE59805562D1 (de) | 2002-10-24 |
| EP0859082A2 (de) | 1998-08-19 |
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