EP0427712A1 - Verfahren zur herstellung bahnförmigen materials mittels in newtonscher oder nicht-newtonscher fluide suspendierten fasern oder sonstiger teilchen - Google Patents
Verfahren zur herstellung bahnförmigen materials mittels in newtonscher oder nicht-newtonscher fluide suspendierten fasern oder sonstiger teilchenInfo
- Publication number
- EP0427712A1 EP0427712A1 EP19870907088 EP87907088A EP0427712A1 EP 0427712 A1 EP0427712 A1 EP 0427712A1 EP 19870907088 EP19870907088 EP 19870907088 EP 87907088 A EP87907088 A EP 87907088A EP 0427712 A1 EP0427712 A1 EP 0427712A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- headbox
- width
- modules
- web
- distributor
- 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.)
- Ceased
Links
- 239000000463 material Substances 0.000 title claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 238000000034 method Methods 0.000 title claims description 8
- 239000000835 fiber Substances 0.000 title claims description 4
- 239000012530 fluid Substances 0.000 title claims description 4
- 239000002245 particle Substances 0.000 title description 2
- 239000000725 suspension Substances 0.000 claims abstract description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000000123 paper Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 239000008199 coating composition Substances 0.000 claims 1
- 239000011888 foil Substances 0.000 claims 1
- 238000005457 optimization Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- D21F1/02—Head boxes of Fourdrinier machines
- D21F1/024—Details of the feed chamber
-
- 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
- D21F1/02—Head boxes of Fourdrinier machines
Definitions
- Patent classes D21F 1/02, 04, 06, 08 listed and known only the difference to this invention, which corresponds to the current state of the art, is the simpler construction and the modular construction.
- this invention can serve for all types of web-shaped carriers or for the refinement of such products.
- Cloth casseroles are used to manufacture or refine web-shaped products such as paper, cardboard, tissue, nonwoven or nonwoven; in addition, they are used for finishing only for fabric and film webs.
- the task of the headbox is to distribute a mass which is uniform over the web width and web direction or over time and which, in the dried or hardened state, imparts certain technological or chemical properties to the product.
- the quality of the product produced or finished with the headbox is measured in the
- Sample size, sampling, measurement errors, ie the statistical treatment of the production goods, have a decisive influence on the numerical values of the above-mentioned quality features.
- the quality data have unlimited sample size no deviation or with a very small sample a large deviation.
- the quality data are to be defined accordingly and thus the requirements for the respective headbox which influences the deviations in the characteristics are to be defined.
- headboxes With the interface on the pipeline, headboxes currently consist of a constant part:
- Turbulence generators e.g. Tube bundle or perforated plate
- the aim of this invention is to
- the headbox basically consists of:
- a central distributor (1) made of flexible plastic pipes (2) r the inside is smooth, but otherwise are freely movable.
- Control valves (3) are installed in these lines and can be operated both by hand and by hydraulic or electrical controls.
- ER S The substance distribution modules (4), in which a turbulence generator (5) is integrated, connect to the control valves.
- An adjusting device (6) is located after the turbulence generator.
- Sheets 1 and 5 of the drawings show the sketch of a system described above, here for a fourdrinier screen, consisting of a distributor (1), connected to it 4 modules (4) of a headbox with a total width of 2000 mm, the headbox nozzle without a partition the overall width is sufficient.
- module 1 is switched off, for example, by moving the adjustment device (6) in the nozzle, the web width can be reduced by .500 mm.
- Sheet 2 of the drawings shows the sketch of a device similar to sheet 1, but the distributor (1) is arranged here to the side of the system.
- Sheet 3 of the drawings shows the sketch of a device similar to sheet 1, the distributor (1) here, however, being led out obliquely to the side of similarly known constructions.
- the connecting elements between the distributor and the headbox also consist of flexible lines (2).
- Sheet 4 of the drawings shows the sketch of the system described at the beginning for an inclined screen. Two of these headboxes are arranged here with a barrier water chamber in between.
Landscapes
- Nonwoven Fabrics (AREA)
- Paper (AREA)
Description
Claims
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/AT1987/000064 WO1989004396A1 (fr) | 1987-11-04 | 1987-11-04 | Procede pour la fabrication de materiaux en forme de bande au moyen de fibres ou d'autres particules en suspension gravitationnelle ou non dans un fluide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0427712A1 true EP0427712A1 (de) | 1991-05-22 |
Family
ID=3682504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19870907088 Ceased EP0427712A1 (de) | 1987-11-04 | 1987-11-04 | Verfahren zur herstellung bahnförmigen materials mittels in newtonscher oder nicht-newtonscher fluide suspendierten fasern oder sonstiger teilchen |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0427712A1 (de) |
| WO (1) | WO1989004396A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4108759C2 (de) * | 1991-03-18 | 1997-07-31 | Schultz Hans Joachim Dr Ing | Verbindung zwischen einem Vielfachverteiler und einem Stoffauflauf |
| DE4318430C2 (de) * | 1993-06-03 | 1997-03-27 | Schultz Hans Joachim Dr Ing | Stoffauflaufsystem einer Papiermaschine |
| DE4336997C2 (de) * | 1993-10-29 | 1998-12-24 | Schultz Hans Joachim Dr Ing | Übergangsstück zwischen Verteiler und Formierkammer des Stoffauflaufs einer Papiermaschine |
| DE4422675C2 (de) * | 1994-06-30 | 1997-06-05 | Voith Sulzer Papiermasch Gmbh | Vorrichtung zur Dämpfung von Druckpulsationen im Stoffzuführsystem einer Papier- oder Kartonmaschine |
| DE4435860C2 (de) * | 1994-10-07 | 1998-03-19 | Voith Gmbh J M | Stoffauflauf zur Erzeugung einer mehrschichtigen Papierbahn |
| DE29811054U1 (de) * | 1998-06-23 | 1998-09-17 | Gebr. Bellmer GmbH + Co KG Maschinenfabrik, 75223 Niefern-Öschelbronn | Suspensionsegalisator |
| DE102024121688A1 (de) * | 2024-07-30 | 2026-02-05 | Andritz Küsters Gmbh | Anlage zum Fertigen einer breitenregulierten, nassgelegten Faserbahn, Verfahren zum Fertigen einer breitenregulierten, nassgelegten Faserbahn |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3296066A (en) * | 1963-11-13 | 1967-01-03 | Black Clawson Co | Headbox for papermaking machine and stock distributor thereto |
| US3846229A (en) * | 1972-01-28 | 1974-11-05 | Lodding Engineering Corp | Flow systems for inducing fine-scale turbulence |
| DE2221390C3 (de) * | 1972-05-02 | 1975-01-09 | J.M. Voith Gmbh, 7920 Heidenheim | Stoffauflauf für Papiermaschinen |
| DE3628699A1 (de) * | 1986-08-23 | 1988-03-03 | Voith Gmbh J M | Stoffauflauf |
-
1987
- 1987-11-04 EP EP19870907088 patent/EP0427712A1/de not_active Ceased
- 1987-11-04 WO PCT/AT1987/000064 patent/WO1989004396A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO8904396A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1989004396A1 (fr) | 1989-05-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 19900305 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT DE FR GB |
|
| 17Q | First examination report despatched |
Effective date: 19921117 |
|
| APAA | Appeal reference recorded |
Free format text: ORIGINAL CODE: EPIDOS REFN |
|
| APAB | Appeal dossier modified |
Free format text: ORIGINAL CODE: EPIDOS NOAPE |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED |
|
| 18R | Application refused |
Effective date: 19960621 |
|
| APAF | Appeal reference modified |
Free format text: ORIGINAL CODE: EPIDOSCREFNE |