BR9711397A - Extrusora de rosca m·ltipla corroativa, método para reduzir fluxo de desaeração nesta e rosca para a mesma. - Google Patents

Extrusora de rosca m·ltipla corroativa, método para reduzir fluxo de desaeração nesta e rosca para a mesma.

Info

Publication number
BR9711397A
BR9711397A BR9711397-2A BR9711397A BR9711397A BR 9711397 A BR9711397 A BR 9711397A BR 9711397 A BR9711397 A BR 9711397A BR 9711397 A BR9711397 A BR 9711397A
Authority
BR
Brazil
Prior art keywords
thread
extruder
corrosive
reduce
deaeration flow
Prior art date
Application number
BR9711397-2A
Other languages
English (en)
Inventor
Ray A Herring
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of BR9711397A publication Critical patent/BR9711397A/pt

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
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more threads
    • B29C48/65—Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
    • 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
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
    • B29B7/489—Screws
    • 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
    • B29C48/256—Exchangeable extruder parts
    • B29C48/2564—Screw parts
    • 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
    • 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
    • B29C48/40—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/402—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders the screws having intermeshing parts
    • 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
    • B29C48/40—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/42—Non-identical or non-mirrored screws
    • 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
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more threads
    • B29C48/66—Barrier threads, i.e. comprising primary and secondary threads whereby the secondary thread provides clearance to the barrel for material movement
    • 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)

Abstract

"EXTRUSORA DE ROSCA MúLTIPLA CORROTATIVA, MéTODO PARA REDUZIR FLUXO DE DESAERAçãO NESTA E ROSCA PARA A MESMA", compreendendo uma extrusora de rosca múltipla, na qual roscas emparelhadas, ou segmentos das mesmas, contêm números desiguais de palhetas; e uma rosca para uso em tal extrusora.
BR9711397-2A 1996-09-24 1997-09-23 Extrusora de rosca m·ltipla corroativa, método para reduzir fluxo de desaeração nesta e rosca para a mesma. BR9711397A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2661596P 1996-09-24 1996-09-24
PCT/US1997/017007 WO1998013189A1 (en) 1996-09-24 1997-09-23 Multiple-screw extruder

Publications (1)

Publication Number Publication Date
BR9711397A true BR9711397A (pt) 1999-09-28

Family

ID=21832856

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9711397-2A BR9711397A (pt) 1996-09-24 1997-09-23 Extrusora de rosca m·ltipla corroativa, método para reduzir fluxo de desaeração nesta e rosca para a mesma.

Country Status (10)

Country Link
US (1) US6022133A (pt)
EP (1) EP0934151A1 (pt)
JP (1) JP2001501144A (pt)
KR (1) KR20000048550A (pt)
CN (1) CN1231633A (pt)
AU (1) AU715469B2 (pt)
BR (1) BR9711397A (pt)
CA (1) CA2264807A1 (pt)
TW (1) TW348103B (pt)
WO (1) WO1998013189A1 (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6062719A (en) * 1996-09-24 2000-05-16 The Dow Chemical Company High efficiency extruder
JPWO2003045664A1 (ja) 2001-11-30 2005-04-07 宏平 澤 押出機
JP4149283B2 (ja) * 2003-02-07 2008-09-10 住友ゴム工業株式会社 二軸混練押出機
US6908573B2 (en) * 2003-04-17 2005-06-21 General Electric Polymeric resin blends and methods of manufacture thereof
DE102004052055B4 (de) * 2004-10-26 2014-11-20 Blach Verwaltung Gmbh & Co.Kg Extruder
US20100062093A1 (en) * 2008-09-11 2010-03-11 Wenger Manufacturing, Inc. Method and apparatus for producing fully cooked extrudates with significantly reduced specific mechanical energy inputs
WO2013128463A1 (en) * 2012-02-28 2013-09-06 Steer Engineering Private Limited An extruder mixing element
CN103182775B (zh) * 2013-03-05 2015-12-02 华南理工大学 一种双螺杆体积置换拉伸形变塑化加工方法及设备
US9713893B2 (en) * 2013-07-09 2017-07-25 Wenger Manufacturing, Inc. Method of preconditioning comestible materials using steam/water static mixer
KR102532361B1 (ko) * 2017-11-24 2023-05-15 현대자동차주식회사 차량용 클러치의 맥동 저감 구조
FR3093456A1 (fr) 2019-03-06 2020-09-11 Compagnie Generale Des Etablissements Michelin Mécanisme de Sortie d’un Mélangeur à Bi-Vis Conique Convergente
FR3093458A1 (fr) 2019-03-06 2020-09-11 Compagnie Generale Des Etablissements Michelin Machine de Mélangeage et d’Extrusion à Bi-Vis Autonettoyante et Méthode d’Utilisation
FR3093457A1 (fr) 2019-03-06 2020-09-11 Compagnie Generale Des Etablissements Michelin Machine de Mélangeage et d’Extrusion à Bi-Vis avec Éléments Amovibles
FR3093459A1 (fr) 2019-03-06 2020-09-11 Compagnie Generale Des Etablissements Michelin Gestion de Température des Mélanges de Caoutchouc Sortant un Mélangeur à Bi-Vis Conique Convergente
CN111483073A (zh) * 2020-04-21 2020-08-04 安徽绿谷新材料有限公司 热塑性弹性体加工用双螺杆挤出机及其使用方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3104420A (en) * 1960-12-06 1963-09-24 Gerhard Kestermann K G Masticator for plastic materials
FR1337310A (fr) * 1962-07-03 1963-09-13 Loire Atel Forges Perfectionnement aux boudineuses à vis pour l'extrusion de matières thermoplastiques
DE1529994B1 (de) * 1965-06-26 1970-08-20 Kestermann Maschf Rolf Schnecken-Strangpresse
DE1679884B2 (de) * 1967-12-16 1971-08-26 Werner & Pfleiderer Mehrwellige kontinuierlich arbeitende misch und knetmaschine fuer plastizierbare massen
US3667733A (en) * 1970-01-28 1972-06-06 Rudolf Paul Fritsch Device for the plastication of powdery plastic materials
GB1389594A (en) * 1972-11-08 1975-04-03 Beken Eng Ltd Continuous mixing machines
DE2719095C2 (de) * 1977-04-29 1984-07-05 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Schneckenpresse zur Verarbeitung von plastischen Massen, insbesondere von Kunststoffen und Kautschuk
JPS5829733B2 (ja) * 1977-11-19 1983-06-24 積水化学工業株式会社 押出機
JPS55137941A (en) * 1979-04-15 1980-10-28 Matsushita Electric Works Ltd Screw structure for extrusion molding machine
JPS5656841A (en) * 1979-10-15 1981-05-19 Matsushita Electric Works Ltd Structure of screw for extrusion molding machine
DE3026842C2 (de) * 1980-07-16 1984-02-16 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Doppelschnecken-Entgasungsextruder für thermoplastische Materialien
DE3038973A1 (de) * 1980-10-15 1982-05-27 Bayer Ag, 5090 Leverkusen Verfahren und vorrichtung zum kristallisieren von schmelzen mit gleichzeitiger zerkleinerung
US4416606A (en) * 1980-10-22 1983-11-22 Mitsubishi Gas Chemical Company, Inc. Apparatus for granulating sodium percarbonate
JPS6033528B2 (ja) * 1980-10-25 1985-08-03 松下電工株式会社 連続混練装置
JPS61171319A (ja) * 1985-01-25 1986-08-02 Ikegai Corp 二軸押出機におけるシリンダ内供給素材の加液又は脱液方法及びその装置
DE3738700A1 (de) * 1987-11-14 1989-06-01 Werner & Pfleiderer Doppelschneckenextruder
SU1634511A2 (ru) * 1988-07-04 1991-03-15 Тамбовское Научно-Производственное Объединение Полимерного Машиностроения "Полимермаш" Черв чный смеситель дл переработки полимеров
DE4338795C1 (de) * 1993-11-12 1995-06-14 S Rockstedt Gmbh Maschf Mehrwellige kontinuierlich arbeitende Mischmaschine für plastifizierbare Massen

Also Published As

Publication number Publication date
US6022133A (en) 2000-02-08
AU4495897A (en) 1998-04-17
CN1231633A (zh) 1999-10-13
AU715469B2 (en) 2000-02-03
WO1998013189A1 (en) 1998-04-02
TW348103B (en) 1998-12-21
EP0934151A1 (en) 1999-08-11
CA2264807A1 (en) 1998-04-02
JP2001501144A (ja) 2001-01-30
KR20000048550A (ko) 2000-07-25

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Legal Events

Date Code Title Description
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time