ATE431237T1 - Doppelschneckenextruder mit mischelemente und verfahren zum extrudieren. - Google Patents

Doppelschneckenextruder mit mischelemente und verfahren zum extrudieren.

Info

Publication number
ATE431237T1
ATE431237T1 AT01107053T AT01107053T ATE431237T1 AT E431237 T1 ATE431237 T1 AT E431237T1 AT 01107053 T AT01107053 T AT 01107053T AT 01107053 T AT01107053 T AT 01107053T AT E431237 T1 ATE431237 T1 AT E431237T1
Authority
AT
Austria
Prior art keywords
circular element
circle
twin
screw extruder
mixing elements
Prior art date
Application number
AT01107053T
Other languages
English (en)
Inventor
Gianfranco Maris
Original Assignee
Maris Flli Spa
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 Maris Flli Spa filed Critical Maris Flli Spa
Application granted granted Critical
Publication of ATE431237T1 publication Critical patent/ATE431237T1/de

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
    • B29C48/655—Screws with two or more threads having three or more threads
    • 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
    • B29C48/36—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
    • 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
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more threads
    • B29C48/645—Screws with two or more threads neighbouring threads and channels having identical configurations
    • 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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Formation And Processing Of Food Products (AREA)
AT01107053T 2000-03-23 2001-03-21 Doppelschneckenextruder mit mischelemente und verfahren zum extrudieren. ATE431237T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2000TO000278A IT1319996B1 (it) 2000-03-23 2000-03-23 Elemento di miscelazione per vite di estrusore bivite corotante edestrusore che lo comprende.

Publications (1)

Publication Number Publication Date
ATE431237T1 true ATE431237T1 (de) 2009-05-15

Family

ID=11457614

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01107053T ATE431237T1 (de) 2000-03-23 2001-03-21 Doppelschneckenextruder mit mischelemente und verfahren zum extrudieren.

Country Status (6)

Country Link
US (1) US6447156B2 (de)
EP (1) EP1136228B1 (de)
AT (1) ATE431237T1 (de)
DE (1) DE60138666D1 (de)
ES (1) ES2327097T3 (de)
IT (1) IT1319996B1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002009919A2 (en) * 2000-07-31 2002-02-07 Babu Padmanabhan Fractional and higher lobed co-rotating twin-screw elements
US7188992B2 (en) * 2003-07-30 2007-03-13 Americhem, Inc. Kneading element and related articles
JP4445478B2 (ja) * 2006-03-10 2010-04-07 株式会社日本製鋼所 プラスチック原料の可塑化混練押出機
DE102008029306A1 (de) * 2008-06-20 2009-12-24 Bayer Technology Services Gmbh Schneckenelemente mit reduziertem Energieeintrag beim Druckaufbau
DE102008029305A1 (de) * 2008-06-20 2009-12-24 Bayer Technology Services Gmbh Schneckenelemente mit reduziertem Kammwinkel
DE102008029304A1 (de) * 2008-06-20 2009-12-24 Bayer Technology Services Gmbh Verfahren zur Erzeugung von Schneckenelementen
JP5363577B2 (ja) * 2008-09-29 2013-12-11 スティール エンジニアリング プライベート リミテッド 押出機および押出機の動作方法
EP2272651B1 (de) * 2009-07-10 2012-05-16 Coperion GmbH Schneckenmaschine mit Dehn-Knetelement
WO2011021273A1 (ja) * 2009-08-18 2011-02-24 トヨタ自動車株式会社 シールリング
US20110063940A1 (en) * 2009-09-14 2011-03-17 Steer Engineering Private Limited Method of extruder operation
AU2010326690B2 (en) * 2009-12-04 2016-06-30 Union Carbide Chemicals & Plastics Technology Llc Extruder screw
IT1406769B1 (it) 2010-08-05 2014-03-07 Maris Flli Spa Procedimento per il recupero e la de-vulcanizzazione di gomma
JP6038557B2 (ja) * 2012-09-06 2016-12-07 トヨタ自動車株式会社 電極ペースト製造装置および電極ペースト製造方法
DE202013001817U1 (de) * 2013-02-26 2014-06-04 Vemag Maschinenbau Gmbh Anordnung von dichtschließenden Förderschnecken
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
IT201900016061A1 (it) * 2019-09-11 2021-03-11 F Lli Maris S P A Impianto per il recupero e la devulcanizzazione di gomma reticolata e procedimento di devulcanizzazione

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2670188A (en) * 1949-09-23 1954-02-23 Bayer Ag Mixing and kneading machine
US3446485A (en) * 1966-09-22 1969-05-27 Colgate Palmolive Co Mixing apparatus
DE1679884B2 (de) * 1967-12-16 1971-08-26 Werner & Pfleiderer Mehrwellige kontinuierlich arbeitende misch und knetmaschine fuer plastizierbare massen
CH548270A (fr) * 1970-02-26 1974-04-30 Union Carbide Corp Procede pour fluidiser et melanger une matiere thermoplastique en particules et extrudeur a vis pour sa mise en oeuvre.
US4084263A (en) * 1973-04-30 1978-04-11 Firma Werner & Pfleiderer Kneading and mixing machine
JPS5386794A (en) * 1976-11-29 1978-07-31 Mitsubishi Gas Chem Co Inc Continuous polymerization
US4131371A (en) * 1977-08-03 1978-12-26 E. I. Du Pont De Nemours And Company Co-rotating multiple screw processor
CA1115690A (en) * 1977-08-11 1982-01-05 Henry Ellwood Mixer rotor with a shear edge
DE2750767A1 (de) * 1977-11-12 1979-05-17 Werner & Pfleiderer Knetkoerper fuer extruderschneckenmaschinen
JPS5659824A (en) * 1979-10-23 1981-05-23 Mitsubishi Gas Chem Co Inc Continuous polymerization of trioxane
GB8804313D0 (en) * 1988-02-24 1988-03-23 Apv Plc Improvements in/relating to mixers
DE4122912A1 (de) * 1991-07-11 1993-01-14 Theysohn Friedrich Fa Doppelschneckenextruder
WO1994022649A1 (fr) * 1993-04-05 1994-10-13 Kabushiki Kaisha Kobeseikosho Malaxeur hermetiquement ferme
JP2909577B2 (ja) * 1993-10-29 1999-06-23 トヨタ自動車株式会社 樹脂廃材の再生方法及び装置
DE19536289C2 (de) * 1995-09-29 1999-01-07 Krupp Werner & Pfleiderer Gmbh Verfahren zur Durchführung von kontinuierlichen Aufbereitungsprozessen mit gleichsinnig drehenden, dicht kämmenden Doppelschneckenextrudern
DE19718292A1 (de) * 1997-04-30 1998-11-05 Krupp Werner & Pfleiderer Gmbh Mehrwellen-Schneckenmaschine, insbesondere Zwei-Wellen-Extruder
US5932159A (en) * 1997-11-07 1999-08-03 Rauwendaal Extrusion Engineering, Inc. Screw extruder with improved dispersive mixing
JP3820312B2 (ja) * 1998-03-31 2006-09-13 住重機器システム株式会社 連続式混練機での混練物の混練方法
US6116770A (en) * 1998-10-02 2000-09-12 Krupp Werner & Pfleiderer Corporation Mixing element for screw extruder

Also Published As

Publication number Publication date
EP1136228A2 (de) 2001-09-26
US6447156B2 (en) 2002-09-10
IT1319996B1 (it) 2003-11-12
ITTO20000278A1 (it) 2001-09-23
ITTO20000278A0 (it) 2000-03-23
EP1136228A3 (de) 2004-02-04
DE60138666D1 (de) 2009-06-25
EP1136228B1 (de) 2009-05-13
US20010031289A1 (en) 2001-10-18
ES2327097T3 (es) 2009-10-26

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