FI911934A0 - SYSTEM FOR FARING FORMNING FOR AVVATTNING AV PAPPERSBANAN VID EN PLANVIRA. - Google Patents
SYSTEM FOR FARING FORMNING FOR AVVATTNING AV PAPPERSBANAN VID EN PLANVIRA.Info
- Publication number
- FI911934A0 FI911934A0 FI911934A FI911934A FI911934A0 FI 911934 A0 FI911934 A0 FI 911934A0 FI 911934 A FI911934 A FI 911934A FI 911934 A FI911934 A FI 911934A FI 911934 A0 FI911934 A0 FI 911934A0
- Authority
- FI
- Finland
- Prior art keywords
- planvira
- pappersbanan
- avvattning
- formning
- faring
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/48—Suction apparatus
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/48—Suction apparatus
- D21F1/52—Suction boxes without rolls
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F9/00—Complete machines for making continuous webs of paper
- D21F9/003—Complete machines for making continuous webs of paper of the twin-wire type
Landscapes
- Paper (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Non-Insulated Conductors (AREA)
Abstract
An improved system in a paper making process of forming and dewatering fiber/aqueous dispersion (44) by submerged drainage in which air does not penetrate the fiber/aqueous dispersion (44) nor the paper web as it is being formed; the dewatering being accomplished by altering the natural tension of the water meniscus so as to induce enhanced drainage of water from the aqueous dispersion (44) of paper making fibers, especially in the wetter end of the system.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38474489A | 1989-07-24 | 1989-07-24 | |
PCT/US1990/004144 WO1991001408A1 (en) | 1989-07-24 | 1990-07-23 | Improved system and method for forming and dewatering a web on a fourdrinier fabric |
Publications (1)
Publication Number | Publication Date |
---|---|
FI911934A0 true FI911934A0 (en) | 1991-04-22 |
Family
ID=23518575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI911934A FI911934A0 (en) | 1989-07-24 | 1991-04-22 | SYSTEM FOR FARING FORMNING FOR AVVATTNING AV PAPPERSBANAN VID EN PLANVIRA. |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0439571B1 (en) |
AT (1) | ATE130891T1 (en) |
CA (1) | CA2040439C (en) |
DE (1) | DE69023894T2 (en) |
ES (1) | ES2081999T3 (en) |
FI (1) | FI911934A0 (en) |
WO (1) | WO1991001408A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5389207A (en) * | 1989-07-24 | 1995-02-14 | Rodriguez; Peter A. | Apparatus for controlling the dewatering of a web in a fourdrinier fabric |
DE4335304C2 (en) * | 1993-10-16 | 1995-04-20 | Voith Gmbh J M | Method for operating a twin wire former |
AT409976B (en) * | 2001-03-16 | 2002-12-27 | Andritz Ag Maschf | METHOD AND DEVICE FOR REMOVING WATER FROM A FIBER FIBER, CELL, OR PAPER |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB623492A (en) * | 1947-05-03 | 1949-05-18 | Millspaugh Ltd | Improvements in or relating to paper-making machines |
US2881676A (en) * | 1955-05-18 | 1959-04-14 | St Annes Board Mill Co Ltd | Paper or board machine and method |
US2893486A (en) * | 1956-02-27 | 1959-07-07 | Crown Zellerbach Corp | Fourdrinier paper making machine |
US3149026A (en) * | 1961-09-26 | 1964-09-15 | Beloit Iron Works | Air assisted formation method and apparatus |
US3595744A (en) * | 1965-12-22 | 1971-07-27 | Helge Natanael Skoldkvist | Pulp-forming machine |
US3507746A (en) * | 1967-03-22 | 1970-04-21 | Texas Instruments Inc | Automatic vacuum suction box in papermaking |
US3708390A (en) * | 1970-09-14 | 1973-01-02 | Kimberly Clark Co | Suction box for a papermaking machine having multiple compartments formed by j-shaped elements |
IT1201808B (en) * | 1986-09-05 | 1989-02-02 | Awe Anti Wear Eng Srl | PASTE DEHYDRATION PROCESS FOR PAPER AND CONTEMPORARY FORMATION OF THE SHEET IN A DOUBLE CANVAS SYSTEM AND PLANT ADOPTING SUCH PROCEDURE |
-
1990
- 1990-07-23 CA CA002040439A patent/CA2040439C/en not_active Expired - Fee Related
- 1990-07-23 AT AT90911884T patent/ATE130891T1/en not_active IP Right Cessation
- 1990-07-23 EP EP90911884A patent/EP0439571B1/en not_active Expired - Lifetime
- 1990-07-23 WO PCT/US1990/004144 patent/WO1991001408A1/en active IP Right Grant
- 1990-07-23 ES ES90911884T patent/ES2081999T3/en not_active Expired - Lifetime
- 1990-07-23 DE DE69023894T patent/DE69023894T2/en not_active Expired - Fee Related
-
1991
- 1991-04-22 FI FI911934A patent/FI911934A0/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP0439571B1 (en) | 1995-11-29 |
DE69023894D1 (en) | 1996-01-11 |
EP0439571A1 (en) | 1991-08-07 |
EP0439571A4 (en) | 1992-01-22 |
ATE130891T1 (en) | 1995-12-15 |
CA2040439A1 (en) | 1991-01-25 |
ES2081999T3 (en) | 1996-03-16 |
CA2040439C (en) | 2000-02-22 |
DE69023894T2 (en) | 1996-07-04 |
WO1991001408A1 (en) | 1991-02-07 |
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