DE502006005904D1 - Paper machine roll - Google Patents
Paper machine rollInfo
- Publication number
- DE502006005904D1 DE502006005904D1 DE502006005904T DE502006005904T DE502006005904D1 DE 502006005904 D1 DE502006005904 D1 DE 502006005904D1 DE 502006005904 T DE502006005904 T DE 502006005904T DE 502006005904 T DE502006005904 T DE 502006005904T DE 502006005904 D1 DE502006005904 D1 DE 502006005904D1
- Authority
- DE
- Germany
- Prior art keywords
- chest
- casing
- suction
- sealing surface
- strip
- 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.)
- Active
Links
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
- D21F3/10—Suction rolls, e.g. couch rolls
Abstract
In the production of a pressure or suction chest (3) for a blowing or suction roller (1) with a rotatable, perforated casing (2), where the chest is connected with a source of elevated or reduced pressure (to be applied to the casing) and has sealing strip(s) (4) with a sealing surface (7) on or at a specific spacing from the casing, the sealing surface and/or the strip supporting surface (4) is formed with convex and/or concave curvature along the longitudinal axis of the chest. A method is claimed for producing a pressure or suction chest (3) for a blowing or suction roller (1) with a rotatable, perforated casing (2). The chest is connected with a source of elevated or reduced pressure (to be applied to the interior surface of the casing) and has sealing strip(s) (4) with a sealing surface (7) located on or at a specific spacing from the casing. The novel feature is that the sealing surface, and/or the supporting surface (4) on which the strip is at least indirectly supported during operation of the roller, is produced with convex and/or concave curvature along the longitudinal axis of the chest. An independent claim is included for the pressure or suction chest having a curved sealing surface and/or supporting surface as above.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005059040A DE102005059040A1 (en) | 2005-12-10 | 2005-12-10 | Paper machine roll |
Publications (1)
Publication Number | Publication Date |
---|---|
DE502006005904D1 true DE502006005904D1 (en) | 2010-03-04 |
Family
ID=37696462
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102005059040A Withdrawn DE102005059040A1 (en) | 2005-12-10 | 2005-12-10 | Paper machine roll |
DE502006005904T Active DE502006005904D1 (en) | 2005-12-10 | 2006-10-17 | Paper machine roll |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102005059040A Withdrawn DE102005059040A1 (en) | 2005-12-10 | 2005-12-10 | Paper machine roll |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1795649B1 (en) |
AT (1) | ATE455206T1 (en) |
DE (2) | DE102005059040A1 (en) |
ES (1) | ES2337715T3 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008002035A1 (en) | 2008-05-28 | 2009-12-03 | Voith Patent Gmbh | Suction device for use in paper or card board manufacturing machine, has suction zones produced with low pressure sources that are connected to external suction box and loaded using controllable/regulatable low pressure |
DE102008041127A1 (en) | 2008-08-08 | 2010-02-11 | Voith Patent Gmbh | Sealing system for suction roll of machine for manufacturing or processing fibrous material course, particularly paper, cardboard or tissue course, has sealing element arranged to spring element |
DE102012208811B3 (en) * | 2012-05-25 | 2013-07-11 | Voith Patent Gmbh | Sealing strip system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE961778C (en) | 1954-02-22 | 1957-04-11 | Millspaugh Ltd | Suction box for the suction cylinder of a paper machine |
US2969837A (en) * | 1958-06-10 | 1961-01-31 | Layton Greenfield Inc | Suction roll construction |
US3273492A (en) * | 1963-10-16 | 1966-09-20 | Beloit Corp | Suction roll counter-deflector |
FI103593B1 (en) | 1998-04-02 | 1999-07-30 | Valmet Corp | Suction roll suction box sealing structure |
-
2005
- 2005-12-10 DE DE102005059040A patent/DE102005059040A1/en not_active Withdrawn
-
2006
- 2006-10-17 EP EP06122408A patent/EP1795649B1/en active Active
- 2006-10-17 AT AT06122408T patent/ATE455206T1/en active
- 2006-10-17 DE DE502006005904T patent/DE502006005904D1/en active Active
- 2006-10-17 ES ES06122408T patent/ES2337715T3/en active Active
Also Published As
Publication number | Publication date |
---|---|
ATE455206T1 (en) | 2010-01-15 |
EP1795649B1 (en) | 2010-01-13 |
DE102005059040A1 (en) | 2007-06-14 |
ES2337715T3 (en) | 2010-04-28 |
EP1795649A1 (en) | 2007-06-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |