CA1070073A - Method and apparatus for molten polymer filtration - Google Patents
Method and apparatus for molten polymer filtrationInfo
- Publication number
- CA1070073A CA1070073A CA246,665A CA246665A CA1070073A CA 1070073 A CA1070073 A CA 1070073A CA 246665 A CA246665 A CA 246665A CA 1070073 A CA1070073 A CA 1070073A
- Authority
- CA
- Canada
- Prior art keywords
- screen
- filter
- zone
- molten polymer
- plate
- 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.)
- Expired
Links
- 229920000642 polymer Polymers 0.000 title claims description 42
- 238000001914 filtration Methods 0.000 title claims description 21
- 238000000034 method Methods 0.000 title abstract description 6
- 238000001125 extrusion Methods 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000013011 mating Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 229920001169 thermoplastic Polymers 0.000 abstract description 2
- 239000004416 thermosoftening plastic Substances 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 abstract 2
- 239000012768 molten material Substances 0.000 abstract 1
- 238000009288 screen filtration Methods 0.000 abstract 1
- 230000000712 assembly Effects 0.000 description 15
- 238000000429 assembly Methods 0.000 description 15
- 239000012535 impurity Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 239000004698 Polyethylene Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 241000243251 Hydra Species 0.000 description 1
- POSKOXIJDWDKPH-UHFFFAOYSA-N Kelevan Chemical compound ClC1(Cl)C2(Cl)C3(Cl)C4(Cl)C(CC(=O)CCC(=O)OCC)(O)C5(Cl)C3(Cl)C1(Cl)C5(Cl)C42Cl POSKOXIJDWDKPH-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000002844 continuous effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- QRXWMOHMRWLFEY-UHFFFAOYSA-N isoniazide Chemical compound NNC(=O)C1=CC=NC=C1 QRXWMOHMRWLFEY-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001179 medium density polyethylene Polymers 0.000 description 1
- 239000004701 medium-density polyethylene Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Filtration Of Liquid (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US56912275A | 1975-04-17 | 1975-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1070073A true CA1070073A (en) | 1980-01-22 |
Family
ID=24274182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA246,665A Expired CA1070073A (en) | 1975-04-17 | 1976-02-26 | Method and apparatus for molten polymer filtration |
Country Status (9)
| Country | Link |
|---|---|
| JP (2) | JPS51124184A (enrdf_load_html_response) |
| BE (1) | BE839455A (enrdf_load_html_response) |
| CA (1) | CA1070073A (enrdf_load_html_response) |
| DE (1) | DE2610816C3 (enrdf_load_html_response) |
| ES (1) | ES445903A1 (enrdf_load_html_response) |
| FR (1) | FR2307629A1 (enrdf_load_html_response) |
| GB (1) | GB1489148A (enrdf_load_html_response) |
| IT (1) | IT1059107B (enrdf_load_html_response) |
| NL (1) | NL7601569A (enrdf_load_html_response) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| AR215981A1 (es) * | 1978-02-09 | 1979-11-15 | Dart Ind Inc | Tobera para moldear por inyeccion plasticos |
| US4237014A (en) * | 1979-03-12 | 1980-12-02 | Beringer Co., Inc. | Flowable material passage with interposable slide member |
| US4359387A (en) | 1979-03-12 | 1982-11-16 | Beringer Co., Inc. | Flowable material passage with interposable slide member |
| US4268391A (en) * | 1979-11-28 | 1981-05-19 | The Berlyn Corporation | Leak proof filter plate system for slide plate filters |
| DE3309505C1 (de) * | 1983-03-17 | 1984-06-14 | Werner & Pfleiderer, 7000 Stuttgart | Kassettenfilter für schmelzflüssige Kunststoffe |
| FR2579516B1 (fr) * | 1985-04-01 | 1987-06-12 | Solvay | Bloc d'alimentation pour filiere plate de coextrusion |
| DE4105867C2 (de) * | 1991-02-25 | 1993-11-18 | Rielmann Hans Georg | Filtereinrichtung für flüssigen Kunststoff führende Druckleitungen |
| DE4227137C2 (de) * | 1991-02-25 | 1995-04-27 | Rielmann Hans Georg | Filtereinrichtung für flüssigen Kunststoff führende Druckleitungen |
| DE10116408C1 (de) * | 2001-04-02 | 2002-11-21 | Maag Pump Systems Textron Gmbh | Vorrichtung zum Filtrieren einer Flüssigkeit, insbesondere zum Filtrieren einer polymeren Kunststoffschmelze |
| DE102007056594B4 (de) * | 2007-11-23 | 2009-07-23 | Kreyenborg Verwaltungen Und Beteiligungen Gmbh & Co. Kg | Siebwechsler |
| CN114714594B (zh) * | 2022-03-10 | 2024-11-15 | 浦江诚谊精密机械有限公司 | 一种适用再生料生产的双流道过滤模头及筛网结构 |
| CN117160096B (zh) * | 2023-11-03 | 2024-03-26 | 佛山市顺德区创世纪实业有限公司 | 一种用于玻璃胶生产的杂质过滤设备 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1527722A (fr) * | 1966-07-15 | 1968-06-07 | Dispositif de filtration pour machine à extruder les matières plastiques |
-
1976
- 1976-02-16 NL NL7601569A patent/NL7601569A/xx not_active Application Discontinuation
- 1976-02-18 GB GB6478/76A patent/GB1489148A/en not_active Expired
- 1976-02-26 CA CA246,665A patent/CA1070073A/en not_active Expired
- 1976-03-09 ES ES445903A patent/ES445903A1/es not_active Expired
- 1976-03-11 BE BE165073A patent/BE839455A/xx unknown
- 1976-03-15 DE DE2610816A patent/DE2610816C3/de not_active Expired
- 1976-03-24 JP JP51031515A patent/JPS51124184A/ja active Pending
- 1976-04-13 FR FR7610848A patent/FR2307629A1/fr active Granted
- 1976-04-14 IT IT22321/76A patent/IT1059107B/it active
-
1978
- 1978-05-10 JP JP1978061686U patent/JPS5648507Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1489148A (en) | 1977-10-19 |
| FR2307629B1 (enrdf_load_html_response) | 1978-11-17 |
| BE839455A (fr) | 1976-09-13 |
| ES445903A1 (es) | 1977-05-01 |
| JPS544281U (enrdf_load_html_response) | 1979-01-12 |
| DE2610816B2 (de) | 1978-05-11 |
| IT1059107B (it) | 1982-05-31 |
| DE2610816C3 (de) | 1979-01-04 |
| JPS5648507Y2 (enrdf_load_html_response) | 1981-11-12 |
| JPS51124184A (en) | 1976-10-29 |
| NL7601569A (nl) | 1976-10-19 |
| FR2307629A1 (fr) | 1976-11-12 |
| DE2610816A1 (de) | 1976-10-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1070073A (en) | Method and apparatus for molten polymer filtration | |
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| DE1611132C2 (de) | Verfahren zum Filtern insbesondere von durch Warme weichgemachten, thermo plastischen Substanzen | |
| US4159953A (en) | Slide plate filters for thermoplastic and similar materials | |
| US4070293A (en) | Filter media | |
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| WO2010138602A1 (en) | Filtration apparatus for filtering a fluid and methods of using the same | |
| WO1992008599A2 (en) | Filtering method and apparatus | |
| US4442002A (en) | Filtration devices | |
| CA1143527A (en) | Flowable material passage with interposable slide member | |
| US4629411A (en) | Apparatus for the separation of admixtures from contaminated thermoplastic materials | |
| DE3612549C2 (enrdf_load_html_response) | ||
| US4511320A (en) | Extruder with a cassette filter for molten plastic material | |
| US20040026339A1 (en) | Filtration system utilizing a single valve to direct fluid streams between filter assemblies and corresponding methods | |
| EP0030077B1 (en) | Slide filter apparatus for filtering contaminants from a fluid working material | |
| KR100189476B1 (ko) | 물질에서 오염물질을 여과하는 방법 및 장치 | |
| CA1285498C (en) | Pressure segregation equipment | |
| JP3394555B2 (ja) | 押出成形機のフィルタ装置 | |
| ITVI940101A1 (it) | Dispositivo di filtrazione per la separazione di materiali inquinanti da masse plastiche fuse in presse per l'estrusione di materiali plastici riciclati. | |
| JPH04168025A (ja) | Ｔダイ | |
| KR100340983B1 (ko) | 용융 수지의 필터장치 | |
| JPS61175016A (ja) | 回転するスクリ−ンを備える押出機 | |
| GB2176414A (en) | Filtering processes and apparatus | |
| EP0233064A2 (en) | Extrusion apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry | ||
| MKEX | Expiry |
Effective date: 19970122 |