WO1999037854A8 - A press apparatus - Google Patents
A press apparatusInfo
- Publication number
- WO1999037854A8 WO1999037854A8 PCT/US1998/001596 US9801596W WO9937854A8 WO 1999037854 A8 WO1999037854 A8 WO 1999037854A8 US 9801596 W US9801596 W US 9801596W WO 9937854 A8 WO9937854 A8 WO 9937854A8
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- web
- roll
- nip
- shoe
- extended nip
- Prior art date
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
- D21F3/04—Arrangements thereof
- D21F3/045—Arrangements thereof including at least one extended press nip
-
- 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
- D21F3/04—Arrangements thereof
Landscapes
- Paper (AREA)
- Press Drives And Press Lines (AREA)
Abstract
A press apparatus (10) is disclosed for pressing water from the formed web (W). The apparatus includes a press frame and a center roll (12) rotatably supported by the frame. An upstream roll (14) cooperates with the center roll (12) for defining therebetween a roll nip (N1) for the passage therethrough of the web. The arrangement is such that a first portion of water is removed from the web when the web extends through the roll nip (N1). A first extended nip press shoe (16) is disposed downstream relative to the roll nip. The first shoe (16) defines a first concave surface which cooperates with the center roll (12) for defining therebetween a first extended nip (N2) for the passage therethrough of the pressed web. The arrangement is such that a second portion of water is removed from the web when the pressed web extends through the first extended nip (N2). A second extended nip press shoe (20) is disposed downstream relative to the first shoe (16). The second shoe (20) defines a second concave surface which cooperates with the center roll (12) for defining therebetween a second extended nip (N3) for the passage therethrough of the pressed web. The arrangement is such that a third portion of water is removed from the web when the pressed web extends through the second extended nip (N3).
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002325905A CA2325905A1 (en) | 1998-01-27 | 1998-01-27 | A press apparatus |
| EP98902731A EP1058749B1 (en) | 1998-01-27 | 1998-01-27 | A press apparatus |
| AT98902731T ATE241034T1 (en) | 1998-01-27 | 1998-01-27 | PRESSING DEVICE |
| PCT/US1998/001596 WO1999037854A1 (en) | 1998-01-27 | 1998-01-27 | A press apparatus |
| DE69814929T DE69814929T2 (en) | 1998-01-27 | 1998-01-27 | PRESS DEVICE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US1998/001596 WO1999037854A1 (en) | 1998-01-27 | 1998-01-27 | A press apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO1999037854A1 WO1999037854A1 (en) | 1999-07-29 |
| WO1999037854A8 true WO1999037854A8 (en) | 1999-09-10 |
Family
ID=22266274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US1998/001596 WO1999037854A1 (en) | 1998-01-27 | 1998-01-27 | A press apparatus |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1058749B1 (en) |
| AT (1) | ATE241034T1 (en) |
| CA (1) | CA2325905A1 (en) |
| DE (1) | DE69814929T2 (en) |
| WO (1) | WO1999037854A1 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3783097A (en) * | 1972-05-30 | 1974-01-01 | Beloit Corp | Hydrodynamically loaded web press with slipper bearing shoes |
| DE4140879A1 (en) * | 1991-12-11 | 1993-06-17 | Voith Gmbh J M | PRESS RELEASE |
| DE4301750C2 (en) * | 1993-01-23 | 1996-10-10 | Voith Gmbh J M | Method and device for dewatering a web using presses |
| DE19633958A1 (en) * | 1996-04-03 | 1997-10-09 | Voith Sulzer Papiermasch Gmbh | Web press unit suction roller |
-
1998
- 1998-01-27 DE DE69814929T patent/DE69814929T2/en not_active Expired - Fee Related
- 1998-01-27 WO PCT/US1998/001596 patent/WO1999037854A1/en active IP Right Grant
- 1998-01-27 EP EP98902731A patent/EP1058749B1/en not_active Expired - Lifetime
- 1998-01-27 CA CA002325905A patent/CA2325905A1/en not_active Abandoned
- 1998-01-27 AT AT98902731T patent/ATE241034T1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| WO1999037854A1 (en) | 1999-07-29 |
| EP1058749B1 (en) | 2003-05-21 |
| ATE241034T1 (en) | 2003-06-15 |
| EP1058749A1 (en) | 2000-12-13 |
| CA2325905A1 (en) | 1999-07-29 |
| DE69814929D1 (en) | 2003-06-26 |
| DE69814929T2 (en) | 2004-04-22 |
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