CH673009A5 - - Google Patents
Download PDFInfo
- Publication number
- CH673009A5 CH673009A5 CH242/87A CH24287A CH673009A5 CH 673009 A5 CH673009 A5 CH 673009A5 CH 242/87 A CH242/87 A CH 242/87A CH 24287 A CH24287 A CH 24287A CH 673009 A5 CH673009 A5 CH 673009A5
- Authority
- CH
- Switzerland
- Prior art keywords
- filter
- filter belt
- flow
- belt means
- warm
- Prior art date
Links
- 229920003023 plastic Polymers 0.000 claims description 21
- 239000004033 plastic Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 16
- 238000001125 extrusion Methods 0.000 claims description 12
- 238000011109 contamination Methods 0.000 claims description 5
- 239000000523 sample Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000011001 backwashing Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/18—Heating or cooling the filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/09—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with filtering bands, e.g. movable between filtering operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/27—Cleaning; Purging; Avoiding contamination
- B29C48/2725—Cleaning; Purging; Avoiding contamination of filters
- B29C48/273—Cleaning; Purging; Avoiding contamination of filters using back flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/69—Filters or screens for the moulding material
- B29C48/692—Filters or screens for the moulding material in the form of webs displaceable for using adjacent areas consecutively
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH242/87A CH673009A5 (enEXAMPLES) | 1987-01-23 | 1987-01-23 | |
| EP87118303A EP0275462A3 (de) | 1987-01-23 | 1987-12-10 | Verfahren zum Filtern eines warmweichen Kunststoffes und Filtereinrichtung für Extrusionsanlagen zur Durchführung des Verfahrens |
| IN990/CAL/87A IN168768B (enEXAMPLES) | 1987-01-23 | 1987-12-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH242/87A CH673009A5 (enEXAMPLES) | 1987-01-23 | 1987-01-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH673009A5 true CH673009A5 (enEXAMPLES) | 1990-01-31 |
Family
ID=4182530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH242/87A CH673009A5 (enEXAMPLES) | 1987-01-23 | 1987-01-23 |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0275462A3 (enEXAMPLES) |
| CH (1) | CH673009A5 (enEXAMPLES) |
| IN (1) | IN168768B (enEXAMPLES) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9024938D0 (en) * | 1990-11-16 | 1991-01-02 | Process Dev Ltd | Filtering |
| DE19508658A1 (de) * | 1994-03-15 | 1995-10-12 | Wil Man Polymer Filtration Gmb | Verfahren zur Nachrüstung eines Filterkopfes eines Kunststoffextruders sowie Steueradapter zur Durchführung des Verfahrens |
| DE19704621A1 (de) | 1997-01-14 | 1998-09-24 | Josef Gail | Vorrichtung zum Reinigen viskosen Materials |
| DE19961426B4 (de) * | 1999-12-17 | 2004-04-08 | Gneuß Kunststofftechnik GmbH | Anordnung zum Filtern von Kunststoffschmelzen |
| DE102007009419A1 (de) * | 2007-02-23 | 2008-09-04 | Rielmann, Maik | Filtereinrichtung für flüssige Medien |
| CN101288869B (zh) * | 2008-06-12 | 2011-07-20 | 郑州大学 | 煤粉全自动过滤装置 |
| ITMI20130597A1 (it) * | 2013-04-12 | 2014-10-13 | Alfatech Srl | Dispositivo cambia-filtro automatico |
| ITUA20161836A1 (it) * | 2016-03-21 | 2017-09-21 | C M Produzione S R L | Dispositivo di filtrazione per processi di estrusione senza interruzioni. |
| CN107738431A (zh) * | 2017-11-29 | 2018-02-27 | 河南安吉塑料机械有限公司 | 一种反冲洗网带换网器 |
| DE102021125712B4 (de) * | 2021-10-04 | 2023-09-21 | Next Generation Analytics Gmbh | Verfahren sowie eine Anlage zur Filtration von Flüssigkeiten und/oder Schmelzen |
| AT526286A1 (de) * | 2022-07-11 | 2024-01-15 | Engel Austria Gmbh | Filtervorrichtung |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL278425A (enEXAMPLES) * | 1961-02-07 | 1900-01-01 | ||
| DE1269595B (de) * | 1965-07-30 | 1968-06-06 | Buss Ag | Extruderschnecke |
| DE1779497A1 (de) * | 1968-08-20 | 1971-09-16 | Sieg Kunststoffe Gmbh | Spritzkopf in der Extruderleitung |
| US3856674A (en) * | 1972-04-19 | 1974-12-24 | P Kalman | Filtering process and apparatus |
| DE2403765C3 (de) * | 1974-01-26 | 1978-08-10 | Rudolf Paul 7000 Stuttgart Fritsch | Siebvorrichtung für die Reinigung schmelzflüssigen Kunststoffs, insbesondere an einen Extruder anbaubare Siebvorrichtung |
| FR2332113A1 (fr) * | 1975-11-24 | 1977-06-17 | Rigot Stalars & Vandesmet | Procede et dispositif de filtrage automatique de matieres plastiques |
| JPS53112962A (en) * | 1977-03-15 | 1978-10-02 | Tomoo Kinoshita | Wireenet replacement device of plastic filter |
| JPS5927698B2 (ja) * | 1977-11-28 | 1984-07-07 | 株式会社日本製鋼所 | プラスチツク押出機における自動「ろ」網交換装置 |
| US4159953A (en) * | 1978-06-05 | 1979-07-03 | The Berlyn Corporation | Slide plate filters for thermoplastic and similar materials |
| DE2947673C2 (de) * | 1979-11-27 | 1982-06-16 | Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover | Filtervorrichtung für thermoplastische Formmassen verarbeitende Schneckenextruder |
| GB2102691B (en) * | 1981-08-05 | 1985-01-09 | Cresta Tech | Rotary filter |
| US4511472A (en) * | 1983-03-30 | 1985-04-16 | Beringer Co., Inc. | Apparatus for continuous polymer filtration |
-
1987
- 1987-01-23 CH CH242/87A patent/CH673009A5/de not_active IP Right Cessation
- 1987-12-10 EP EP87118303A patent/EP0275462A3/de not_active Withdrawn
- 1987-12-21 IN IN990/CAL/87A patent/IN168768B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0275462A3 (de) | 1989-06-28 |
| IN168768B (enEXAMPLES) | 1991-06-01 |
| EP0275462A2 (de) | 1988-07-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |