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

Dispositivo di degassamento per estrusori a vite.

Info

Publication number
IT1216488B
IT1216488B IT8819884A IT1988488A IT1216488B IT 1216488 B IT1216488 B IT 1216488B IT 8819884 A IT8819884 A IT 8819884A IT 1988488 A IT1988488 A IT 1988488A IT 1216488 B IT1216488 B IT 1216488B
Authority
IT
Italy
Prior art keywords
screw extruders
degassing device
degassing
extruders
screw
Prior art date
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.)
Filing date
Publication date
Application filed by Werner & Pfleiderer filed Critical Werner & Pfleiderer
Publication of IT8819884A0 publication Critical patent/IT8819884A0/it
Application granted granted Critical
Publication of IT1216488B publication Critical patent/IT1216488B/it

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
    • B29C48/50—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 (it) * 1988-12-10 1990-03-01 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover, De
DE3841729C1 (it) * 1988-12-10 1990-03-01 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover, De
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
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
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
DE102004041689B4 (de) * 2004-08-27 2010-02-11 Kraussmaffei Berstorff Gmbh Vorrichtung zur Herstellung von Spritzgussteilen
BRPI0716663B1 (pt) 2006-08-15 2019-08-27 Ecosynthetix Inc processo para produzir um produto de nanopartículas de biopolímero
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

Also Published As

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

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940329