DE69608711D1 - Drückwellenregler für einen Extruder und Verfahren dafür - Google Patents
Drückwellenregler für einen Extruder und Verfahren dafürInfo
- Publication number
- DE69608711D1 DE69608711D1 DE69608711T DE69608711T DE69608711D1 DE 69608711 D1 DE69608711 D1 DE 69608711D1 DE 69608711 T DE69608711 T DE 69608711T DE 69608711 T DE69608711 T DE 69608711T DE 69608711 D1 DE69608711 D1 DE 69608711D1
- Authority
- DE
- Germany
- Prior art keywords
- polymer
- surges
- extruder
- compressor shaft
- process therefor
- 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 - Fee Related
Links
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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/455—Screws arranged to convey material towards each other, e.g. separate screws arranged after each other and feeding in opposite directions
-
- 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
- B29C48/254—Sealing means
-
- 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
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92514—Pressure
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/926—Flow or feed rate
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
-
- 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
- B29C48/06—Rod-shaped
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/358,601 US5518672A (en) | 1994-05-31 | 1995-01-23 | Extrusion surge controller and method |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69608711D1 true DE69608711D1 (de) | 2000-07-13 |
DE69608711T2 DE69608711T2 (de) | 2000-12-28 |
Family
ID=23410317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69608711T Expired - Fee Related DE69608711T2 (de) | 1995-01-23 | 1996-01-19 | Drückwellenregler für einen Extruder und Verfahren dafür |
Country Status (5)
Country | Link |
---|---|
US (1) | US5518672A (de) |
EP (1) | EP0723850B1 (de) |
AT (1) | ATE193673T1 (de) |
CA (1) | CA2167782A1 (de) |
DE (1) | DE69608711T2 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5764521A (en) * | 1995-11-13 | 1998-06-09 | Stratasys Inc. | Method and apparatus for solid prototyping |
US6511217B1 (en) * | 2000-11-03 | 2003-01-28 | General Electric Company | Method and system to compound silicone compositions |
AU2002316850B8 (en) * | 2001-05-30 | 2006-11-23 | Evonik Rohm Gmbh | Method and device for regulating pressure in a single-screw degassing extruder or in a cascade extruder |
DE10132002C5 (de) * | 2001-07-03 | 2009-12-31 | Windmöller & Hölscher Kg | Direktangetriebener Extruder |
PT1696822E (pt) | 2003-11-13 | 2010-04-28 | Psivida Inc | Implante de libertação controlada injectável com um núcleo de matriz biocorrosível e crosta biocorrosível |
DE102007045155A1 (de) * | 2007-09-20 | 2009-04-02 | Evonik Röhm Gmbh | Anordnung des Antriebs bei einem Entgasungsextruder |
AT505618B1 (de) * | 2007-10-22 | 2009-03-15 | Erema | Verfahren zur extrusion von kunststoffmaterial sowie extruder |
US8579494B2 (en) | 2008-08-22 | 2013-11-12 | Sara Lee Tm Holdings, Llc | System and method for dough extrusion |
RU2738386C2 (ru) * | 2015-11-02 | 2020-12-11 | Тетра Лаваль Холдингз Энд Файнэнс С.А. | Формовочное устройство |
EP3453514A1 (de) * | 2017-09-12 | 2019-03-13 | Next Generation Analytics GmbH | Vorrichtung und verfahren zum filtern und entgasen einer kunststoffschmelze |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3023455A (en) * | 1959-03-09 | 1962-03-06 | Herbert F Geier | Mixers |
US3148231A (en) * | 1961-03-20 | 1964-09-08 | Eastman Kodak Co | Plastic extrusion, apparatus and control |
GB1262285A (en) * | 1968-03-28 | 1972-02-02 | Ici Ltd | Method and apparatus for flow rate control in continuous extrusion |
US3787160A (en) * | 1969-02-01 | 1974-01-22 | Bayer Ag | Apparatus having extrusion and mixing zones |
US3632256A (en) * | 1969-03-19 | 1972-01-04 | Union Carbide Corp | Extrusion-compounding apparatus |
CH523138A (fr) * | 1970-05-08 | 1972-05-31 | Sig Schweiz Industrieges | Extrudeuse |
US3802670A (en) * | 1970-11-05 | 1974-04-09 | Japan Steel Works Ltd | Continuous mixer for thermoplastic resin |
US3700247A (en) * | 1971-08-16 | 1972-10-24 | May V Latinen | Flush cooling of shaft sealing screw means |
US3797550A (en) * | 1971-08-16 | 1974-03-19 | Monsanto Co | Wiped film devolatilizer construction |
DE2249328B1 (de) * | 1972-10-07 | 1974-02-14 | Werner & Pfleiderer, 7000 Stuttgart | Extruder mit verstellbarer drosseleinrichtung |
JPS4985151A (de) * | 1972-12-07 | 1974-08-15 | ||
DE2413374A1 (de) * | 1974-03-20 | 1975-10-02 | Anisic Ladislav | Scher- oder mischvorrichtung zur verarbeitung von plastischen massen |
US3976285A (en) * | 1974-11-13 | 1976-08-24 | Mobil Oil Corporation | Sealing arrangement for an extrusion apparatus |
US4118163A (en) * | 1977-07-11 | 1978-10-03 | Owens-Illinois, Inc. | Plastic extrusion and apparatus |
US4336213A (en) * | 1980-02-06 | 1982-06-22 | Fox Steve A | Plastic extrusion apparatus and method |
US4465451A (en) * | 1982-07-21 | 1984-08-14 | Welding Engineers, Inc. | Apparatus and method for controlling extrusion back pressure |
DE3407789A1 (de) * | 1983-03-18 | 1984-10-25 | Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid | Schneckenextruder |
JPS6078718A (ja) * | 1983-10-04 | 1985-05-04 | Sumitomo Electric Ind Ltd | 発泡体の押出方法 |
DD230826A1 (de) * | 1984-03-05 | 1985-12-11 | Univ Dresden Tech | Verfahren und extrusionsvorrichtung zur formung fliessfaehiger massen |
US4695240A (en) * | 1984-04-04 | 1987-09-22 | Allied Corporation | Apparatus for extruding small quantities of material |
US4642041A (en) * | 1986-01-31 | 1987-02-10 | Murphy Richard W | Extruder screw for minimizing the opposing pressure flow |
DE3615586C1 (de) * | 1986-05-09 | 1987-05-07 | Berstorff Gmbh Masch Hermann | Strangpressvorrichtung zum Herstellen von Kunststoffschmelzemischungen |
JPS62290505A (ja) * | 1986-06-10 | 1987-12-17 | Nippon Buchiru Kk | 押出可能材料の乾燥機 |
JPS63319118A (ja) * | 1987-06-24 | 1988-12-27 | Toshiba Mach Co Ltd | 押出機のサ−ジング制御方法 |
ES2011346A6 (es) * | 1988-05-12 | 1990-01-01 | Pena Roca Juan | Cierre perfeccionado para husillos de piston en las maquinas de inyeccion de plastico. |
DE3917678A1 (de) * | 1989-05-31 | 1990-12-06 | Troester Maschf Paul | Vorrichtung und verfahren zum abdichten eines scherdornes oder einer schnecke einer extrusionsmaschine fuer kautschukmischungen und/oder kunststoffe |
GB2255039A (en) * | 1991-04-19 | 1992-10-28 | Frenkel Ag C D | Cold feed rubber extruder construction. |
US5215764A (en) * | 1991-06-10 | 1993-06-01 | Westland Corporation | Extruder mixing screw |
US5486328A (en) * | 1994-05-31 | 1996-01-23 | Randcastle Extrusion Systems, Inc. | Extrusion surge suppressor and method |
-
1995
- 1995-01-23 US US08/358,601 patent/US5518672A/en not_active Expired - Lifetime
-
1996
- 1996-01-19 DE DE69608711T patent/DE69608711T2/de not_active Expired - Fee Related
- 1996-01-19 AT AT96100758T patent/ATE193673T1/de not_active IP Right Cessation
- 1996-01-19 EP EP96100758A patent/EP0723850B1/de not_active Expired - Lifetime
- 1996-01-22 CA CA002167782A patent/CA2167782A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CA2167782A1 (en) | 1996-07-24 |
EP0723850A1 (de) | 1996-07-31 |
ATE193673T1 (de) | 2000-06-15 |
US5518672A (en) | 1996-05-21 |
EP0723850B1 (de) | 2000-06-07 |
DE69608711T2 (de) | 2000-12-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |