BR8002492A - APPLIANCE TO REDUCE THE AMOUNT OF WATER IN A VEH OF WATER AND WATER MATERIAL - Google Patents
APPLIANCE TO REDUCE THE AMOUNT OF WATER IN A VEH OF WATER AND WATER MATERIALInfo
- Publication number
- BR8002492A BR8002492A BR8002492A BR8002492A BR8002492A BR 8002492 A BR8002492 A BR 8002492A BR 8002492 A BR8002492 A BR 8002492A BR 8002492 A BR8002492 A BR 8002492A BR 8002492 A BR8002492 A BR 8002492A
- Authority
- BR
- Brazil
- Prior art keywords
- roller
- water
- press
- satelite
- material web
- 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
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G1/00—Calenders; Smoothing apparatus
Landscapes
- Paper (AREA)
- Braking Arrangements (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Water Treatment By Sorption (AREA)
- Treatment Of Fiber Materials (AREA)
- Disintegrating Or Milling (AREA)
- Glass Compositions (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Abstract
The present invention relates to an apparatus for reducing the amount of water in a moist and watery material web (1), primarily a fiber web in a machine for the manufacture of paper, by means of one or more press nips (4, 6, 7), each being provided between a press roller (3, 8, 9) and a roller-formed body (5), which at least to a certain part being deformable for controlling of the length of said press nips (4, 6, 7). One object of the present invention is to reduce the inconveniences inherent in prior art methods and arrangements for realizing an extended press nip and, in general terms, to improve the pressing-out of moisture and water from a material web without realizing any deterioration of the quality of the material web. This object is achieved according to the present invention in that said roller-formed body being a central roller (5) in cooperation with at least three satelite rollers (3, 8, 9) positioned around the central roller (5) for positioning said roller (5) in a balanced condition, in that said press nip (4, 6, 7) being provided between at least one of said satelite rollers (3, 8, 9) and said roller-formed central roller (5) and in that the pressure between said satelite roller (3, 8, 9) and said roller-formed central roller (5) being controllable almost independently of the length of the press nip (4, 6, 7), provided by the deformaton, by a change of the pressure inside said roller-formed body (5).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7903953A SE7903953L (en) | 1979-05-07 | 1979-05-07 | DEVICE FOR REDUCING THE WATER QUANTITY IN A MOISTURIZED AND Aqueous MATERIAL |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8002492A true BR8002492A (en) | 1980-12-09 |
Family
ID=20337979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8002492A BR8002492A (en) | 1979-05-07 | 1980-04-23 | APPLIANCE TO REDUCE THE AMOUNT OF WATER IN A VEH OF WATER AND WATER MATERIAL |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP0018954B1 (en) |
JP (1) | JPS569496A (en) |
AT (1) | ATE6680T1 (en) |
AU (1) | AU532802B2 (en) |
BR (1) | BR8002492A (en) |
CA (1) | CA1125559A (en) |
DE (1) | DE3066914D1 (en) |
ES (1) | ES491193A0 (en) |
FI (1) | FI801233A (en) |
MX (1) | MX153039A (en) |
SE (1) | SE7903953L (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2557895B1 (en) * | 1984-01-06 | 1988-07-15 | Ahlstroem Oy | PRESS FOR THE EXTRACTION OF WATER FROM BAND MATERIALS, PARTICULARLY FOR PAPER MACHINES. |
DE3808293C2 (en) * | 1988-03-12 | 1994-08-18 | Voith Gmbh J M | Long nip press roll |
FI102305B1 (en) * | 1997-04-02 | 1998-11-13 | Valmet Corp | Calendering method and calender applying the method |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1563130A (en) * | 1924-08-22 | 1925-11-24 | Milton T Weston | Pneumatic press roll for paper machines |
BE525016A (en) * | 1952-12-13 | 1900-01-01 | ||
US3293121A (en) * | 1963-10-09 | 1966-12-20 | Black Clawson Co | Pneumatically pressurized paper wet press assembly |
US3808096A (en) * | 1972-02-16 | 1974-04-30 | Beloit Corp | Figure eight cylinder press for defining an extended press nip |
-
1979
- 1979-05-07 SE SE7903953A patent/SE7903953L/en not_active Application Discontinuation
-
1980
- 1980-04-10 AT AT80850049T patent/ATE6680T1/en active
- 1980-04-10 DE DE8080850049T patent/DE3066914D1/en not_active Expired
- 1980-04-10 EP EP80850049A patent/EP0018954B1/en not_active Expired
- 1980-04-17 FI FI801233A patent/FI801233A/en not_active Application Discontinuation
- 1980-04-23 BR BR8002492A patent/BR8002492A/en unknown
- 1980-04-30 AU AU57904/80A patent/AU532802B2/en not_active Ceased
- 1980-04-30 MX MX182156A patent/MX153039A/en unknown
- 1980-05-06 JP JP5874680A patent/JPS569496A/en active Pending
- 1980-05-06 ES ES491193A patent/ES491193A0/en active Granted
- 1980-05-07 CA CA351,403A patent/CA1125559A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ATE6680T1 (en) | 1984-03-15 |
AU5790480A (en) | 1980-11-13 |
FI801233A (en) | 1980-11-08 |
CA1125559A (en) | 1982-06-15 |
ES8101162A1 (en) | 1980-12-01 |
AU532802B2 (en) | 1983-10-13 |
MX153039A (en) | 1986-07-22 |
EP0018954A1 (en) | 1980-11-12 |
DE3066914D1 (en) | 1984-04-19 |
SE7903953L (en) | 1980-11-08 |
JPS569496A (en) | 1981-01-30 |
EP0018954B1 (en) | 1984-03-14 |
ES491193A0 (en) | 1980-12-01 |
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