DE69608711D1 - Drückwellenregler für einen Extruder und Verfahren dafür - Google Patents

Drückwellenregler für einen Extruder und Verfahren dafür

Info

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
Application number
DE69608711T
Other languages
English (en)
Other versions
DE69608711T2 (de
Inventor
Keith Luker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Randcastle Extrusion Systems Inc
Original Assignee
Randcastle Extrusion Systems Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Randcastle Extrusion Systems Inc filed Critical Randcastle Extrusion Systems Inc
Application granted granted Critical
Publication of DE69608711D1 publication Critical patent/DE69608711D1/de
Publication of DE69608711T2 publication Critical patent/DE69608711T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
DE69608711T 1995-01-23 1996-01-19 Drückwellenregler für einen Extruder und Verfahren dafür Expired - Fee Related DE69608711T2 (de)

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)

* Cited by examiner, † Cited by third party
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
PL2233112T6 (pl) 2003-11-13 2014-11-28 Psivida Inc Wstrzykiwalny implant o przedłużonym uwalnianiu mający biodegradowalną matrycę i biodegradowalną warstewkę
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
BR112018008563A2 (pt) * 2015-11-02 2018-10-30 Tetra Laval Holdings & Finance S.A. conjunto de moldagem, e, método para moldagem de um produto em um conjunto de moldagem.
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)

* Cited by examiner, † Cited by third party
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
US3797550A (en) * 1971-08-16 1974-03-19 Monsanto Co Wiped film devolatilizer construction
US3700247A (en) * 1971-08-16 1972-10-24 May V Latinen Flush cooling of shaft sealing screw means
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

Also Published As

Publication number Publication date
CA2167782A1 (en) 1996-07-24
DE69608711T2 (de) 2000-12-28
EP0723850A1 (de) 1996-07-31
US5518672A (en) 1996-05-21
EP0723850B1 (de) 2000-06-07
ATE193673T1 (de) 2000-06-15

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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