BR9800791A - Mecanismo de extrusão de parafuso, em particular um mecanismo de extrusão de parafuso duplo, para o processamento de materiais de alta liberação de gás. - Google Patents

Mecanismo de extrusão de parafuso, em particular um mecanismo de extrusão de parafuso duplo, para o processamento de materiais de alta liberação de gás.

Info

Publication number
BR9800791A
BR9800791A BR9800791-2A BR9800791A BR9800791A BR 9800791 A BR9800791 A BR 9800791A BR 9800791 A BR9800791 A BR 9800791A BR 9800791 A BR9800791 A BR 9800791A
Authority
BR
Brazil
Prior art keywords
gas release
extrusion mechanism
screw extrusion
high gas
release materials
Prior art date
Application number
BR9800791-2A
Other languages
English (en)
Inventor
Erwin Haering
Original Assignee
Krupp Werner & Pfleiderer Gmbh
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 Krupp Werner & Pfleiderer Gmbh filed Critical Krupp Werner & Pfleiderer Gmbh
Publication of BR9800791A publication Critical patent/BR9800791A/pt

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/76Venting, drying means; Degassing means
    • B29C48/765Venting, drying means; Degassing means in the extruder apparatus
    • B29C48/766Venting, drying means; Degassing means in the extruder apparatus in screw extruders
    • B29C48/767Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a barrel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/80Component parts, details or accessories; Auxiliary operations
    • B29B7/84Venting or degassing ; Removing liquids, e.g. by evaporating components
    • B29B7/845Venting, degassing or removing evaporated components in devices with rotary stirrers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means 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
    • B29C48/40Means 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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means 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
    • B29C48/40Means 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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/405Intermeshing co-rotating screws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means 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
    • B29C48/40Means 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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/41Intermeshing counter-rotating screws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/54Screws with additional forward-feeding elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/55Screws having reverse-feeding elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/57Screws provided with kneading disc-like elements, e.g. with oval-shaped elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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)
  • Formation And Processing Of Food Products (AREA)

Abstract

Patente de Invenção:<B>"MECANISMO DE EXTRUSãO DE PARAFUSO, EM PARTICULAR UM MECANISMO DE EXTRUSãO DE PARAFUSO DUPLO, PARA O PROCESSAMENTO DE MATERIAIS DE ALTA LIBERAçãO DE GáS" <D>. Um mecanismo de extrusão de parafuso para o processamento de materiais de alta liberação de gás compreende um extrusor principal (1) para o processamento adequado do material, um dispositivo de alimentação e descarga de material (4,5) e um dispositivo de liberação de gás no extrusor principal para a descarga da corrente de gás da parte de evaporação (14). Para a corrente de gás de ramificar em pelo menos três correntes separadas (19,20,21), o dispositivo de liberação de gás compreende uma primeira porta de liberação de gás (13) e pelo menos dois elementos de liberação de gás que são radialmente opostos um ao outro com relação ao extrusor principal (1) e são dispostos entre a parte de evaporação (14) e a primeira porta de liberação de gás (13) e que são desenhados preferivelmente como extrusores de parafuso auxiliares (7,8) abrindo radialmente para dentro do extrusor principal.
BR9800791-2A 1997-02-28 1998-02-27 Mecanismo de extrusão de parafuso, em particular um mecanismo de extrusão de parafuso duplo, para o processamento de materiais de alta liberação de gás. BR9800791A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19708097A DE19708097A1 (de) 1997-02-28 1997-02-28 Schnecken-Extrusionsvorrichtung, insbesondere Doppelschnecken-Extrusionsvorrichtung, zur Verarbeitung stark ausgasender Materialien

Publications (1)

Publication Number Publication Date
BR9800791A true BR9800791A (pt) 1999-09-14

Family

ID=7821797

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9800791-2A BR9800791A (pt) 1997-02-28 1998-02-27 Mecanismo de extrusão de parafuso, em particular um mecanismo de extrusão de parafuso duplo, para o processamento de materiais de alta liberação de gás.

Country Status (9)

Country Link
US (2) US6024479A (pt)
EP (1) EP0861717B1 (pt)
JP (1) JPH10235714A (pt)
KR (1) KR19980071761A (pt)
AT (1) ATE207802T1 (pt)
BR (1) BR9800791A (pt)
CA (1) CA2229696A1 (pt)
DE (2) DE19708097A1 (pt)
NO (1) NO980807L (pt)

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US6924350B2 (en) * 2003-08-26 2005-08-02 General Electric Company Method of separating a polymer from a solvent
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ES2432156T3 (es) 2010-04-12 2013-12-02 Coperion Gmbh Máquina de tornillo sin fin de varios árboles con placa coladora integrada para la desgasificación de masas fundidas de polímero
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SA112330882B1 (ar) 2011-09-28 2018-01-24 ارلانكسيو دوتشلاند جى ام بى اتش. جهاز لإزالة مكونات متطايرة من وسط يحتوي على بوليمر
TWI649180B (zh) 2013-04-04 2019-02-01 艾朗希歐德意志有限公司 用於自含彈性體媒介移除揮發性組份之方法及為此目的之去揮發物設備
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JP6639799B2 (ja) * 2014-05-08 2020-02-05 東芝機械株式会社 混練装置および混練方法
JP6639798B2 (ja) 2014-05-08 2020-02-05 東芝機械株式会社 押出機用スクリュ並びに押出機および押出方法
JP6639800B2 (ja) * 2014-05-08 2020-02-05 東芝機械株式会社 押出機用スクリュ並びに押出機および押出方法
JP6446234B2 (ja) * 2014-10-27 2018-12-26 東芝機械株式会社 押出機用スクリュ、スクリュエレメント、押出機および押出方法
JP6073953B2 (ja) * 2015-03-27 2017-02-01 住友理工株式会社 2軸ベント式押出機及びゴム製品の製造方法
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JP6746278B2 (ja) 2015-04-28 2020-08-26 芝浦機械株式会社 押出機用スクリュ並びに押出機および押出方法
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Also Published As

Publication number Publication date
KR19980071761A (ko) 1998-10-26
ATE207802T1 (de) 2001-11-15
NO980807D0 (no) 1998-02-26
DE19708097A1 (de) 1998-09-03
DE59801907D1 (de) 2001-12-06
US6024479A (en) 2000-02-15
CA2229696A1 (en) 1998-08-28
JPH10235714A (ja) 1998-09-08
MX9801661A (es) 1998-12-31
EP0861717A1 (de) 1998-09-02
USRE44826E1 (en) 2014-04-08
EP0861717B1 (de) 2001-10-31
NO980807L (no) 1998-08-31

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Legal Events

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FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]