EP1747321A1 - Presswalze - Google Patents
PresswalzeInfo
- Publication number
- EP1747321A1 EP1747321A1 EP05717069A EP05717069A EP1747321A1 EP 1747321 A1 EP1747321 A1 EP 1747321A1 EP 05717069 A EP05717069 A EP 05717069A EP 05717069 A EP05717069 A EP 05717069A EP 1747321 A1 EP1747321 A1 EP 1747321A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- temperature
- press
- roll
- protective layer
- cover
- 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.)
- Granted
Links
- 239000011241 protective layer Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000004033 plastic Substances 0.000 claims abstract description 5
- 229920003023 plastic Polymers 0.000 claims abstract description 5
- 239000004744 fabric Substances 0.000 claims description 4
- 238000009499 grossing Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 2
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 2
- 239000004809 Teflon Substances 0.000 claims description 2
- 229920006362 Teflon® Polymers 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000002557 mineral fiber Substances 0.000 claims description 2
- 239000000123 paper Substances 0.000 claims description 2
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 claims description 2
- 229920002530 polyetherether ketone Polymers 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000002657 fibrous material Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000009938 salting Methods 0.000 description 1
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
- D21F3/08—Pressure rolls
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G1/00—Calenders; Smoothing apparatus
- D21G1/02—Rolls; Their bearings
- D21G1/0233—Soft rolls
Definitions
- the invention relates to a press roll with a roll shell made of plastic for treating a paper, cardboard, tissue or other fibrous web in a machine for producing and / or finishing the same.
- press rolls are often used in dewatering devices of these machines and form a press nip with a counter roll for dewatering the fibrous web.
- Applications in smoothing devices are also known.
- the operating temperature in the press nip should be a maximum of approx. 80 C C due to the plastic jacket.
- the object of the invention is to expand the possible uses of the press roll.
- the object was achieved in that the outer jacket surface of the roll jacket has a temperature-resistant protective layer and / or cover, at least in some areas.
- certain areas of the roller shell can be provided with a protective layer and others with a cover.
- a protective layer can also be advantageous to provide the outer jacket surface with a temperature-resistant protective layer at least in one area and, above it, with a temperature-resistant cover.
- the temperature resistance of the endangered area improves, which considerably extends the possible uses of the press roll.
- the roller jacket is protected against thermal overload at least in the central area. This is necessary because the types of polyurethane used for the roll shells must not exceed 80 - 100 ° C in continuous operation.
- the edges of the roll cover are not covered by the fibrous web or a tape and can therefore come into direct contact with the counter roll, which is heated up to 350 ° C.
- the increased temperature resistance allows a much wider salting of the press roll in the machine, especially when dewatering and / or smoothing the fibrous web.
- the temperature-resistant protective layer or cover should be made of a material with low thermal conductivity, in particular Teflon, glass fabric, Kapton,
- Mineral fibers ceramics, silicate, quartz, polymers, PEEK or similar or a material with good reflection of the heat radiation, in particular aluminum or a combination thereof.
- the temperature-resistant protective layer can be at least partially painted and / or sprayed onto the outer surface.
- the temperature-resistant cover can be formed at least partially by a film and / or by tapes wound next to one another.
- the tapes can be wound up at a distance from one another, flush or overlapping, with or without a slope.
- FIGS. 2 to 6 different solutions for increasing the temperature resistance of the roll shell 3.
- the fibrous web 1 is guided for smoothing through an extended press nip, which is formed by a press roll 2 and a heated, cylindrical counter roll 6.
- the press roll 2 has a flexible roll jacket 3 made of plastic, which is pressed by a pressure element 7 with a concave pressing surface towards the counter roll 6.
- the roller shell 3 consists of polyurethane with a reinforcing thread fabric.
- the temperature resistance of the entire roller shell 3 or at least the edge regions of the roller shell 3 lying outside the fibrous web 1 can be applied to the outer surface by applying a protective layer 4 or a cover 5 of the roll shell 3 can be increased.
- roller shell 3 shown in FIG. 2 is completely covered on the outside with a protective layer 4 made of glass fabric.
- edge regions of the roller shell 3 are covered with the protective layer 4 in the roller shell according to FIG. 3. Since these edge regions are at least partially outside the pressing surface of the pressing element 7, they are also not deformed as much as the central region of the roll shell 3. This protects the protective layer 4 and extends the range of materials that can be used for the protective layer 4.
- the thermal protection of the edge regions of the roller jacket 3 is achieved by attaching a corresponding temperature-resistant cover 5.
- This cover 5 is formed in Figure 4 by a film.
- the cover 4 consists of tapes wound next to one another on the roll shell 3. We can wind these tapes flush in Figure 5 or overlap as in Figure 6.
Landscapes
- Paper (AREA)
- Rolls And Other Rotary Bodies (AREA)
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004023565A DE102004023565A1 (de) | 2004-05-13 | 2004-05-13 | Presswalze |
| PCT/EP2005/051202 WO2005111303A1 (de) | 2004-05-13 | 2005-03-16 | Presswalze |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1747321A1 true EP1747321A1 (de) | 2007-01-31 |
| EP1747321B1 EP1747321B1 (de) | 2008-10-08 |
Family
ID=34962099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05717069A Expired - Lifetime EP1747321B1 (de) | 2004-05-13 | 2005-03-16 | Presswalze |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8100817B2 (de) |
| EP (1) | EP1747321B1 (de) |
| JP (1) | JP4807756B2 (de) |
| AT (1) | ATE410547T1 (de) |
| DE (2) | DE102004023565A1 (de) |
| WO (1) | WO2005111303A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI20085140L (fi) * | 2008-02-18 | 2009-08-19 | Metso Paper Inc | Kuiturainakoneen tela ja menetelmä kuiturainakoneen telan valmistamiseksi |
| DE102009009186B4 (de) * | 2009-02-16 | 2011-04-21 | Airbus Operations Gmbh | Anpressvorrichtung zum Anpressen von faserverstärkten thermoplastischen Materialien und Faseranordnungsvorrichtung |
| US9505206B1 (en) | 2016-03-15 | 2016-11-29 | Harper Corporation Of America | Cladless anilox sleeve for use in flexographic printing |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US649145A (en) * | 1900-01-16 | 1900-05-08 | Martin W Thrush | Pneumatic roll. |
| US2678474A (en) * | 1949-03-23 | 1954-05-18 | Textile Engineering Corp | Top roll for textile drawing mechanisms |
| US2775793A (en) * | 1951-12-08 | 1957-01-01 | Louis M Cotchett | Top roll for drawing mechanism |
| JPS4739869B1 (de) * | 1969-09-19 | 1972-10-07 | ||
| US3812561A (en) * | 1973-01-15 | 1974-05-28 | W Lundgren | Temple roll |
| JPS57118898A (en) * | 1981-01-14 | 1982-07-23 | Kinyoushiya:Kk | Roll for press |
| JPH01260092A (ja) * | 1987-12-30 | 1989-10-17 | Yamauchi Corp | 硬質ロールの製造法 |
| DE4128655C2 (de) * | 1991-08-29 | 1995-06-14 | Escher Wyss Gmbh | Verfahren und Vorrichtung zur Durchmesserprofilbeeinflussung im Endbereich beheizter Walzen |
| JPH06235183A (ja) * | 1993-02-04 | 1994-08-23 | Kobayashi Seisakusho:Kk | プレスロール装置とその使用方法 |
| US5499093A (en) * | 1993-06-18 | 1996-03-12 | Xeikon Nv | Electrostatographic single-pass multiple station printer with register control |
| DE4431648C1 (de) * | 1994-09-06 | 1996-01-18 | Koenig & Bauer Albert Ag | Andrückwalze für das Andrücken einer laufenden Warenbahn |
| US5785636A (en) * | 1995-10-12 | 1998-07-28 | Beloit Technologies, Inc. | Composite roll shell |
| FI2640U1 (fi) * | 1996-03-22 | 1996-11-22 | Valmet Corp | Tela, erityisesti soft- tai superkalanterin tela |
| US6409645B1 (en) * | 1997-06-13 | 2002-06-25 | Sw Paper Inc. | Roll cover |
| DE19822531B4 (de) * | 1998-05-19 | 2006-11-30 | Voith Patent Gmbh | Kalanderwalze |
| FI110273B (fi) * | 2001-05-07 | 2002-12-31 | Metso Paper Inc | Järjestely paperikoneen tai sellukoneen telan reuna-alueen jäähdyttämiseksi |
| AU783423B2 (en) * | 2001-06-28 | 2005-10-27 | Ichikawa Co., Ltd. | Belt for calendering |
| DE20220685U1 (de) * | 2001-08-14 | 2003-12-24 | Eduard Küsters, Maschinenfabrik, GmbH & Co. KG | Vorrichtung zum Bilden eines Langspalts |
| EP1510884B1 (de) * | 2002-06-03 | 2010-07-14 | Fuji Xerox Co., Ltd. | Heizwalze und heizwalzenherstellungsverfahren |
-
2004
- 2004-05-13 DE DE102004023565A patent/DE102004023565A1/de not_active Withdrawn
-
2005
- 2005-03-16 JP JP2007512140A patent/JP4807756B2/ja not_active Expired - Fee Related
- 2005-03-16 AT AT05717069T patent/ATE410547T1/de not_active IP Right Cessation
- 2005-03-16 WO PCT/EP2005/051202 patent/WO2005111303A1/de not_active Ceased
- 2005-03-16 DE DE502005005625T patent/DE502005005625D1/de not_active Expired - Lifetime
- 2005-03-16 EP EP05717069A patent/EP1747321B1/de not_active Expired - Lifetime
-
2006
- 2006-11-10 US US11/558,733 patent/US8100817B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2005111303A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4807756B2 (ja) | 2011-11-02 |
| WO2005111303A1 (de) | 2005-11-24 |
| EP1747321B1 (de) | 2008-10-08 |
| DE102004023565A1 (de) | 2005-12-08 |
| US8100817B2 (en) | 2012-01-24 |
| JP2007537366A (ja) | 2007-12-20 |
| ATE410547T1 (de) | 2008-10-15 |
| US20070066469A1 (en) | 2007-03-22 |
| DE502005005625D1 (de) | 2008-11-20 |
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