DE2939926A1 - Wechselvorrichtung fuer siebe zum filtrieren von plastischem material - Google Patents
Wechselvorrichtung fuer siebe zum filtrieren von plastischem materialInfo
- Publication number
- DE2939926A1 DE2939926A1 DE19792939926 DE2939926A DE2939926A1 DE 2939926 A1 DE2939926 A1 DE 2939926A1 DE 19792939926 DE19792939926 DE 19792939926 DE 2939926 A DE2939926 A DE 2939926A DE 2939926 A1 DE2939926 A1 DE 2939926A1
- Authority
- DE
- Germany
- Prior art keywords
- portafilter
- perforated plate
- sleeve
- bore
- sieve
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims description 29
- 239000004033 plastic Substances 0.000 title claims description 8
- 229920003023 plastic Polymers 0.000 title claims description 8
- 238000007789 sealing Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 8
- 239000013072 incoming material Substances 0.000 claims 1
- 230000000284 resting effect Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 9
- 239000007795 chemical reaction product Substances 0.000 description 8
- 239000007921 spray Substances 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000011109 contamination Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
- B01D29/01—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 flat filtering elements
-
- 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
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- 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
- B29C48/691—Arrangements for replacing filters, e.g. with two parallel filters for alternate use
- B29C48/6912—Arrangements for replacing filters, e.g. with two parallel filters for alternate use the filters being fitted on a single rectilinearly reciprocating slide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/34—Seals or gaskets for filtering elements
-
- 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
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH86579A CH637872A5 (de) | 1979-01-29 | 1979-01-29 | Wechselvorrichtung fuer siebe zum filtrieren von plastischem material. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2939926A1 true DE2939926A1 (de) | 1980-08-07 |
| DE2939926C2 DE2939926C2 (US08087162-20120103-C00010.png) | 1988-09-15 |
Family
ID=4196978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19792939926 Granted DE2939926A1 (de) | 1979-01-29 | 1979-10-02 | Wechselvorrichtung fuer siebe zum filtrieren von plastischem material |
Country Status (9)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3017337A1 (de) * | 1980-05-06 | 1981-11-12 | Windmöller & Hölscher, 4540 Lengerich | Vorrichtung zum wechseln von siebsaetzen im auslaufbereich von extruder-strangpressen |
| JPS58175645A (ja) * | 1982-04-08 | 1983-10-14 | Mitsui Toatsu Chem Inc | レストリクタ−装置 |
| DE3535269C1 (de) * | 1985-10-03 | 1986-12-18 | Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover | Abdichteinrichtung fuer eine Siebwechselvorrichtung |
| DE8716626U1 (de) * | 1987-12-17 | 1988-02-11 | Gneuß Kunststofftechnik GmbH, 4970 Bad Oeynhausen | Siebvorrichtung zur Reinigung von Kunststoffschmelzen |
| US6171504B1 (en) | 1995-03-21 | 2001-01-09 | A. Steven Patterson | Magnetic water conditioner |
| US6010625A (en) * | 1997-10-16 | 2000-01-04 | Beringer Llc | Screen changer with controlled gap |
| DE19810690A1 (de) * | 1998-03-12 | 1999-09-16 | Josef Gail | Vorrichtung zum Filtrieren viskosen Materials |
| DE102009035790B4 (de) * | 2009-07-31 | 2011-05-19 | Kreyenborg Beteiligungen Und Verwaltungen Gmbh & Co. Kg | Platten-Filtriervorrichtung für Kunststoffschmelzen |
| US9943872B2 (en) | 2013-03-14 | 2018-04-17 | Agricultural Magnetics, Ltd. | Apparatus for reconfiguring spray equipment, and method |
| EP3308940A1 (de) * | 2016-10-17 | 2018-04-18 | Next Generation Analytics GmbH | Filtersystem für viskose oder hochviskose flüssigkeiten, insbesondere kunststoffschmelzen und verfahren zur filtration von viskosen oder hochviskosen flüssigkeiten |
| US11260570B2 (en) * | 2018-05-07 | 2022-03-01 | PSI-Polymer Systems, Inc. | Filtration apparatuses and screen changer devices for polymer processing and related methods |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1919269B1 (de) * | 1969-04-16 | 1970-07-23 | Hermann Berstorff Maschb Gmbh | Siebwechseleinrichtung fuer einen Extruder |
| US3675934A (en) * | 1970-06-01 | 1972-07-11 | Eugene E Heston | Screen changer mounting |
| DE1729396B2 (de) * | 1968-03-13 | 1972-07-20 | Windmöller & Hölscher, 4540 Lengerich | Siebwechselvorrichtung fuer den spritzkopf einer strangpresse |
| DE2153962B1 (de) * | 1971-10-29 | 1972-08-03 | Werner & Pfleiderer, 7000 Stuttgart | Filtereinrichtung fuer eine schneckenstrangpresse zur kontinuierlichen verarbeitung von kunststoffen |
| US3856277A (en) * | 1973-09-28 | 1974-12-24 | Gloucester Eng Co Inc | Screen assembly for processing plastic |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3059276A (en) * | 1960-12-05 | 1962-10-23 | Sterling Extruder Corp | Extrusion apparatus |
| CH453675A (de) * | 1967-03-09 | 1968-03-31 | Looser Gottlieb | An Extruder anbaubare Ausstossvorrichtung |
| FR1534106A (fr) * | 1967-06-09 | 1968-07-26 | Cotelle & Foucher Ets | Dispositif pour assurer l'immobilisation et l'étanchéité d'un coulisseau changeur de tamis sur extrudeuse |
| DE2256639C2 (de) * | 1972-11-18 | 1978-09-14 | Joachim Kreyenborg & Co, 4400 Muenster | Filtereinrichtung für Strangpressen und Spritzgießmaschinen |
| US3962092A (en) * | 1975-01-10 | 1976-06-08 | The Dow Chemical Company | Screen changer |
| CH593786A5 (en) * | 1976-03-17 | 1977-12-15 | Riwisa Ag | Continuously cleaned filter for extrusion moulder - rotates eccentrically to main feed passage and is cleaned by reverse flow |
-
1979
- 1979-01-29 CH CH86579A patent/CH637872A5/de not_active IP Right Cessation
- 1979-09-28 SE SE7908077A patent/SE7908077L/xx not_active Application Discontinuation
- 1979-10-02 DE DE19792939926 patent/DE2939926A1/de active Granted
- 1979-10-11 IT IT50540/79A patent/IT1120861B/it active
- 1979-10-16 FR FR7925660A patent/FR2447220A1/fr active Granted
- 1979-11-19 JP JP14993079A patent/JPS55101437A/ja active Pending
- 1979-12-13 US US06/103,169 patent/US4265756A/en not_active Expired - Lifetime
-
1980
- 1980-01-23 BR BR8000417A patent/BR8000417A/pt unknown
- 1980-01-29 GB GB8002986A patent/GB2041232B/en not_active Expired
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1729396B2 (de) * | 1968-03-13 | 1972-07-20 | Windmöller & Hölscher, 4540 Lengerich | Siebwechselvorrichtung fuer den spritzkopf einer strangpresse |
| DE1919269B1 (de) * | 1969-04-16 | 1970-07-23 | Hermann Berstorff Maschb Gmbh | Siebwechseleinrichtung fuer einen Extruder |
| US3675934A (en) * | 1970-06-01 | 1972-07-11 | Eugene E Heston | Screen changer mounting |
| DE2153962B1 (de) * | 1971-10-29 | 1972-08-03 | Werner & Pfleiderer, 7000 Stuttgart | Filtereinrichtung fuer eine schneckenstrangpresse zur kontinuierlichen verarbeitung von kunststoffen |
| US3856277A (en) * | 1973-09-28 | 1974-12-24 | Gloucester Eng Co Inc | Screen assembly for processing plastic |
Also Published As
| Publication number | Publication date |
|---|---|
| BR8000417A (pt) | 1980-09-30 |
| SE7908077L (sv) | 1980-07-30 |
| JPS55101437A (en) | 1980-08-02 |
| IT7950540A0 (it) | 1979-10-11 |
| IT1120861B (it) | 1986-03-26 |
| GB2041232B (en) | 1983-03-23 |
| DE2939926C2 (US08087162-20120103-C00010.png) | 1988-09-15 |
| FR2447220A1 (fr) | 1980-08-22 |
| CH637872A5 (de) | 1983-08-31 |
| FR2447220B1 (US08087162-20120103-C00010.png) | 1984-11-30 |
| US4265756A (en) | 1981-05-05 |
| GB2041232A (en) | 1980-09-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: RCM RUBBER CONSULTING & MACHINERY AG, HOERI, CH |
|
| 8363 | Opposition against the patent | ||
| 8365 | Fully valid after opposition proceedings | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: A-Z FORMEN- UND MASCHINENBAU GMBH, 80992 MUENCHEN, |
|
| 8339 | Ceased/non-payment of the annual fee |