IT1216488B - Dispositivo di degassamento per estrusori a vite. - Google Patents

Dispositivo di degassamento per estrusori a vite.

Info

Publication number: IT1216488B
Authority: IT; Italy
Prior art keywords: screw extruders; degassing device; degassing; extruders; screw
Prior art date: 1987-04-03

Application number

IT8819884A

Other languages

English (en)

Other versions

IT8819884A0 (it

Inventor

Herbert Ocker

Gerhard Weihrich

Original Assignee

Werner & Pfleiderer

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.)

1987-04-03

Filing date

1988-03-22

Publication date

1990-03-08

1988-03-22 Application filed by Werner & Pfleiderer filed Critical Werner & Pfleiderer

1988-03-22 Publication of IT8819884A0 publication Critical patent/IT8819884A0/it

1990-03-08 Application granted granted Critical

1990-03-08 Publication of IT1216488B publication Critical patent/IT1216488B/it

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
- B29C48/76—Venting, drying means; Degassing means
- B29C48/763—Vent constructions, e.g. venting means avoiding melt escape
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/84—Venting or degassing ; Removing liquids, e.g. by evaporating components
- B29B7/842—Removing liquids in liquid form
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/84—Venting or degassing ; Removing liquids, e.g. by evaporating components
- B29B7/845—Venting, degassing or removing evaporated components in devices with rotary stirrers
- 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
- B29C48/76—Venting, drying means; Degassing 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
- B29C48/03—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)
Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

IT8819884A 1987-04-03 1988-03-22 Dispositivo di degassamento per estrusori a vite. IT1216488B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE3711328A DE3711328C1 (de)	1987-04-03	1987-04-03	Entgasungsvorrichtung fuer Schneckenextruder

Publications (2)

Publication Number	Publication Date
IT8819884A0 IT8819884A0 (it)	1988-03-22
IT1216488B true IT1216488B (it)	1990-03-08

Family

ID=6324833

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT8819884A IT1216488B (it)	1987-04-03	1988-03-22	Dispositivo di degassamento per estrusori a vite.

Country Status (5)

Country	Link
US (1)	US4877390A (it)
JP (1)	JPS63257621A (it)
DE (1)	DE3711328C1 (it)
GB (1)	GB2203091B (it)
IT (1)	IT1216488B (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3841728C1 (de) *	1988-12-10	1990-03-01	Hermann Berstorff Maschinenbau Gmbh, 30627 Hannover	Ein- oder Doppelschneckenextruder zum Einarbeiten von pulverförmigen oder faserförmigen Additiven in eine thermoplastische Kunststoffschmelze
DE3841729C1 (de) *	1988-12-10	1990-03-01	Hermann Berstorff Maschinenbau Gmbh, 30627 Hannover	Ein- oder Doppelschneckenextruder zum Entgasen von thermoplastischen Kunststoffschmelzen
DE4010692C2 (de) *	1990-04-03	1994-08-25	Werner & Pfleiderer	Verfahren zur Entgasung von Kunststoffschmelze in einem Schneckenextruder
DE19708097A1 (de) *	1997-02-28	1998-09-03	Krupp Werner & Pfleiderer Gmbh	Schnecken-Extrusionsvorrichtung, insbesondere Doppelschnecken-Extrusionsvorrichtung, zur Verarbeitung stark ausgasender Materialien
CN1176877A (zh) *	1997-09-03	1998-03-25	青岛化工学院	挤出机螺旋啮合喂料方法
IT246782Y1 (it) *	1999-06-11	2002-04-10	Rossa Giovanni Della	Estrusore compatto a piu' viti parallele
US6833096B2 (en) *	2001-08-29	2004-12-21	General Electric Company	Method for removing water and other volatile components from polymer powders
JP4800521B2 (ja) *	2001-08-31	2011-10-26	古河機械金属株式会社	ポンプ設備のガス抜き装置
US20060089487A1 (en) *	2003-08-26	2006-04-27	Norberto Silvi	Method of separating a polymer from a solvent
US20070225479A1 (en) *	2003-08-26	2007-09-27	General Electric Company	Method of separating a polymer from a solvent
US6924350B2 (en) *	2003-08-26	2005-08-02	General Electric Company	Method of separating a polymer from a solvent
US6949622B2 (en)	2003-08-26	2005-09-27	General Electric Company	Method of separating a polymer from a solvent
DE102004041689B4 (de) *	2004-08-27	2010-02-11	Kraussmaffei Berstorff Gmbh	Vorrichtung zur Herstellung von Spritzgussteilen
MX341826B (es)	2006-08-15	2016-09-05	Ecosynthetix Ltd	Proceso para producir nanoparticulas biopolimericas.
DE102007051923B4 (de) *	2007-10-29	2011-03-10	Troester Gmbh & Co. Kg	Vorrichtung und Verfahren zur Verarbeitung polymerer Werkstoffe
DE102009033532B4 (de) *	2009-07-10	2020-11-19	Dr. Ing. H.C. F. Porsche Aktiengesellschaft	Extruder zur Herstellung eines Bauteils aus Leichtmetall
US9180618B2 (en) *	2012-03-16	2015-11-10	King Abdulaziz City For Science And Technology	Twin screw extruder
CN108790103B (zh) *	2018-06-25	2020-04-07	贵州荣兴新型建材科技有限公司	Pe木塑复合材料的加工设备
CN110901010A (zh) *	2019-12-10	2020-03-24	湖南工业大学	间歇式自然排气口溢料回送装置
CN116691039B (zh) *	2023-08-03	2023-09-29	携晟挤出技术(江苏)有限公司	一种eva材料用的双螺杆挤出压片机及其使用方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE915689C (de) *	1951-12-30	1954-07-26	Bayer Ag	Vorrichtung zum Abscheiden von Fluessigkeiten oder Gasen aus zaehen, plastischen oder koernigen Massen
CH360492A (it) *	1957-11-14	1962-02-28	Lavorazione Mat Plastiche Sas	Pressa a viti per l'estrusione di materie plastiche
GB1132898A (en) *	1965-08-13	1968-11-06	Werner & Pfleiderer	Multi-stage screw treatment device
GB1167850A (en) *	1967-10-21	1969-10-22	Werner & Pfleiderer	Apparatus for Processing Plastifiable Masses.
DE2129839B2 (de) *	1971-06-16	1973-05-17	Werner & Pfleiderer, 7000 Stuttgart	Schneckenpresse fuer die verarbeitung und entgasung plastischer massen
GB1536542A (en) *	1975-01-10	1978-12-20	Farrel Bridge Ltd	Apparatus suitable for use in processing rubber or plastics materials
JPS5245606A (en) *	1975-10-09	1977-04-11	Ideal Setsuken Kk	Apparatus for extruding stick of solid soap having stripe patterns
DE2612827C3 (de) *	1976-03-26	1982-11-18	Werner & Pfleiderer, 7000 Stuttgart	Schneckenstrangpresse zur kontinuierlichen Aufbereitung und Entgasung von Elastomeren und Polymeren mit einer Viskosität über 1000 d Pa s
IT1117750B (it) *	1977-08-05	1986-02-17	Bersano Terenzio	Estrusore bivite/bistadio e pluristadio a doppia alimentazione
US4269582A (en) *	1978-11-21	1981-05-26	Mario Mella	Pasta-making machine
DE3248659A1 (de) *	1982-12-30	1984-07-05	Peroxid-Chemie GmbH, 8023 Höllriegelskreuth	Entgasungseinrichtung an einem schnecken-extruder oder dergl.
DE8414285U1 (de) *	1984-05-10	1985-11-28	Kalwar, Klaus, 4803 Steinhagen	Vorrichtung zum Extrudieren einer aus thermoplastischen Kunststoffen bestehenden Folienbahn
JPH05123987A (ja) *	1991-11-01	1993-05-21	Fujitsu Ltd	把持装置

1987
- 1987-04-03 DE DE3711328A patent/DE3711328C1/de not_active Expired
1988
- 1988-03-10 GB GB8805657A patent/GB2203091B/en not_active Expired - Fee Related
- 1988-03-22 IT IT8819884A patent/IT1216488B/it active
- 1988-04-01 US US07/176,703 patent/US4877390A/en not_active Expired - Fee Related
- 1988-04-01 JP JP63078292A patent/JPS63257621A/ja active Granted

Also Published As

Publication number	Publication date
DE3711328C1 (de)	1988-03-24
GB2203091A (en)	1988-10-12
JPS63257621A (ja)	1988-10-25
US4877390A (en)	1989-10-31
GB8805657D0 (en)	1988-04-07
JPH0571022B2 (it)	1993-10-06
GB2203091B (en)	1990-05-02
IT8819884A0 (it)	1988-03-22

Publication	Publication Date	Title
IT8520893A0 (it)	1985-05-24	Dispositivo di filtrazione per estrusori a vite.
IT1216488B (it)	1990-03-08	Dispositivo di degassamento per estrusori a vite.
IT220507Z2 (it)	1993-09-24	Fermo per vite.
IT8323127A0 (it)	1983-10-04	Meccanismo di trasmissione per estrusore a doppia vite.
IT8123487V0 (it)	1981-11-12	Dispositivo cambia-vaglio e cambia-attrezzo per estrusore a vite.
IT8122181V0 (it)	1981-06-25	Estrusore di degassamento a vite doppia per degassare materie termoplastiche o similari.
DE59002271D1 (de)	1993-09-16	Schraubwerkzeugmaschine.
DE3864340D1 (de)	1991-09-26	Gesicherter schraubeinsatz fuer hochbeanspruchungs-anwendung.
IT1215499B (it)	1990-02-14	Vite a sfere.
DE3376394D1 (en)	1988-06-01	Degassing device at a screw extruder or the like
IT8521116A0 (it)	1985-06-12	Apparecchiatura di avanzamento impiegante una vite a sfere.
DE58901426D1 (de)	1992-06-17	Schnelltrennbare schraubvorrichtung.
IT8721106A0 (it)	1987-06-30	Estrusore per materiali polimerici.
IT8621343A0 (it)	1986-07-31	Pressa a vite.
DE69016766D1 (de)	1995-03-23	Vorschubeinrichtung mit Schraubgetriebe.
IT8719614A0 (it)	1987-03-06	Vite perfezionata.
IT8805172A0 (it)	1988-05-31	Particolarmente per presse a vite. sistema di insonorizzazione
IT8322627A0 (it)	1983-08-24	Pressa a vite.
IT1213152B (it)	1989-12-14	Pressa a vite.
IT8783517A0 (it)	1987-12-22	Vite per levatappi a sezione differenziata.
IT8367958A0 (it)	1983-09-15	Estrusore a vite
IT1226132B (it)	1990-12-12	Vite per estrusore.
IT8722289A0 (it)	1987-10-15	Morsa a vite.
IT8784165A0 (it)	1987-10-09	Dispositivo estrusore per materie plastiche.
IT8722955A0 (it)	1987-12-11	Pressa a vite.

Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19940329