FR2292582A1 - Fibreboard mfg process - has structured pressure redn programme for evapn. of water in wet fibre feed material (SW210676) - Google Patents
Fibreboard mfg process - has structured pressure redn programme for evapn. of water in wet fibre feed material (SW210676)Info
- Publication number
- FR2292582A1 FR2292582A1 FR7536768A FR7536768A FR2292582A1 FR 2292582 A1 FR2292582 A1 FR 2292582A1 FR 7536768 A FR7536768 A FR 7536768A FR 7536768 A FR7536768 A FR 7536768A FR 2292582 A1 FR2292582 A1 FR 2292582A1
- Authority
- FR
- France
- Prior art keywords
- evapn
- fibreboard
- water
- programme
- feed material
- 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.)
- Withdrawn
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J1/00—Fibreboard
- D21J1/04—Pressing
Landscapes
- Paper (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
Wet fibres are inserted into a heated press where heat and pressure remove the water and compress the fibres into a board. For the evapn. stage, the pressure is reduced to 50% of the max. pressure to be used until there is a residual humidity of 8-10% in the material. The pressure is then slowly decreased while the fibre material is compressed to the required density and thickness, to give a residual humidity of 6-8%. The system reduces the amt. of press time required for the mfr. of fibreboard, and the finished material has a humidity level which eliminates the need for elimination.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742455818 DE2455818A1 (en) | 1974-11-26 | 1974-11-26 | PROCESS FOR MANUFACTURING FIBER BOARDS BY THE WET PROCESS IN A HOT PRESS |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2292582A1 true FR2292582A1 (en) | 1976-06-25 |
Family
ID=5931735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7536768A Withdrawn FR2292582A1 (en) | 1974-11-26 | 1975-11-25 | Fibreboard mfg process - has structured pressure redn programme for evapn. of water in wet fibre feed material (SW210676) |
Country Status (7)
Country | Link |
---|---|
AT (1) | AT342286B (en) |
DE (1) | DE2455818A1 (en) |
FI (1) | FI753302A (en) |
FR (1) | FR2292582A1 (en) |
IT (1) | IT1070523B (en) |
NO (1) | NO753926L (en) |
SE (1) | SE7512557L (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2534850A1 (en) * | 1982-10-20 | 1984-04-27 | Pamart Alain | Process and plant for the manufacture of fibreboards by wet route. |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE523006C2 (en) * | 2002-07-04 | 2004-03-23 | Metso Paper Inc | Method and apparatus for pressure control in multi-stage pressing |
-
1974
- 1974-11-26 DE DE19742455818 patent/DE2455818A1/en active Pending
-
1975
- 1975-10-29 AT AT821475A patent/AT342286B/en active
- 1975-11-10 SE SE7512557A patent/SE7512557L/en unknown
- 1975-11-19 IT IT04856/75A patent/IT1070523B/en active
- 1975-11-21 NO NO753926A patent/NO753926L/no unknown
- 1975-11-24 FI FI753302A patent/FI753302A/fi not_active Application Discontinuation
- 1975-11-25 FR FR7536768A patent/FR2292582A1/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2534850A1 (en) * | 1982-10-20 | 1984-04-27 | Pamart Alain | Process and plant for the manufacture of fibreboards by wet route. |
Also Published As
Publication number | Publication date |
---|---|
SE7512557L (en) | 1976-05-28 |
IT1070523B (en) | 1985-03-29 |
NO753926L (en) | 1976-05-28 |
ATA821475A (en) | 1977-07-15 |
FI753302A (en) | 1976-05-27 |
AT342286B (en) | 1978-03-28 |
DE2455818A1 (en) | 1976-08-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |