DE3841728C1 - - Google Patents

Info

Publication number
DE3841728C1
DE3841728C1 DE3841728A DE3841728A DE3841728C1 DE 3841728 C1 DE3841728 C1 DE 3841728C1 DE 3841728 A DE3841728 A DE 3841728A DE 3841728 A DE3841728 A DE 3841728A DE 3841728 C1 DE3841728 C1 DE 3841728C1
Authority
DE
Germany
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE3841728A
Inventor
Manfred Dipl.-Ing. 3167 Burgdorf De Dienst
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KraussMaffei Extrusion GmbH
Original Assignee
Hermann Berstorff Maschinenbau 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 Hermann Berstorff Maschinenbau GmbH filed Critical Hermann Berstorff Maschinenbau GmbH
Priority to DE3841728A priority Critical patent/DE3841728C1/de
Priority to GB8927384A priority patent/GB2226273A/en
Priority to JP1316613A priority patent/JP2732920B2/ja
Priority to FR898916289A priority patent/FR2640190B1/fr
Priority to US07/447,853 priority patent/US5044757A/en
Application granted granted Critical
Publication of DE3841728C1 publication Critical patent/DE3841728C1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B29C48/57—Screws provided with kneading disc-like elements, e.g. with oval-shaped elements
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
    • B29C48/2886—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules of fibrous, filamentary or filling materials, e.g. thin fibrous reinforcements or fillers
    • 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
    • B29C48/395—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
    • B29C48/405—Intermeshing co-rotating 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
    • B29C48/03—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
DE3841728A 1988-12-10 1988-12-10 Expired - Lifetime DE3841728C1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE3841728A DE3841728C1 (de) 1988-12-10 1988-12-10
GB8927384A GB2226273A (en) 1988-12-10 1989-12-04 An extrusion device for incorporating additives into a thermoplastics material melt
JP1316613A JP2732920B2 (ja) 1988-12-10 1989-12-07 熱可塑性プラスチック溶融体に粉末状又は織維状の添加剤を混合するための単軸又は二軸スクリュー型押出し機
FR898916289A FR2640190B1 (fr) 1988-12-10 1989-12-08 Extrudeuse a une ou deux vis pour l'insertion d'additifs sous forme de poudres ou de fibres dans une masse fondue de matiere thermoplastique
US07/447,853 US5044757A (en) 1988-12-10 1989-12-08 Extrusion device for incorporating additives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3841728A DE3841728C1 (de) 1988-12-10 1988-12-10

Publications (1)

Publication Number Publication Date
DE3841728C1 true DE3841728C1 (de) 1990-03-01

Family

ID=6368933

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3841728A Expired - Lifetime DE3841728C1 (de) 1988-12-10 1988-12-10

Country Status (5)

Country Link
US (1) US5044757A (de)
JP (1) JP2732920B2 (de)
DE (1) DE3841728C1 (de)
FR (1) FR2640190B1 (de)
GB (1) GB2226273A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10050295A1 (de) * 2000-10-10 2002-04-11 Buehler Ag Mehrwellen-Extruder und Verfahren zur Aufbereitung und/oder Vorarbeitung von mit Füllstoff versetzten Elastomeren
US6821101B2 (en) 2001-04-12 2004-11-23 Demag Ergotech Gmbh Injection unit for injection molding machines with continuously operating plasticizing unit
DE10163519B4 (de) * 2001-12-25 2016-03-03 Dieffenbacher GmbH Maschinen- und Anlagenbau Plastifizierextruder zur Herstellung von faserverstärkten Kunststoffmassen

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2664197B1 (fr) * 1990-07-06 1994-05-06 Clextral Fourreau pour machine d'extrusion de matieres.
JP2814833B2 (ja) * 1992-04-10 1998-10-27 岩崎電気株式会社 始動器内蔵形高圧蒸気放電灯
JP3138838B2 (ja) * 1992-04-30 2001-02-26 東レ・ダウコーニング・シリコーン株式会社 混合粉体の製造方法
JP2572711B2 (ja) * 1993-08-12 1997-01-16 ライオン株式会社 導電性カーボンブラック含有熱可塑性組成物の製造方法
US5876647A (en) * 1994-04-21 1999-03-02 Lion Corporation Method for preparing conductive thermoplastic resin compositions
US5776281A (en) * 1995-03-08 1998-07-07 Evans; Daniel W. Method of manufacturing a pallet made of composite fiber reinforced polyolefin
US5585054A (en) * 1995-03-08 1996-12-17 Evans; Daniel W. Method of making a composite fiber reinforced polyethylene
DE19604637A1 (de) * 1996-02-08 1997-03-27 Brueckner Maschbau Verfahren zur Herstellung einer füllstoffhaltigen biaxial orientierten Polymerfolie und Anlage zur Durchführung dieses Verfahrens
DE19718292A1 (de) * 1997-04-30 1998-11-05 Krupp Werner & Pfleiderer Gmbh Mehrwellen-Schneckenmaschine, insbesondere Zwei-Wellen-Extruder
US6170975B1 (en) * 1999-02-08 2001-01-09 Krupp Werner & Pfleiderer Multi-shaft extruder kneading discs, kneading disc blocks and extruder
DE10149765B4 (de) * 2001-10-02 2004-03-18 Krauss-Maffei Kunststofftechnik Gmbh Kämmelement
US6939383B2 (en) * 2002-05-03 2005-09-06 3M Innovative Properties Company Method for making electrode
DE10233213B4 (de) * 2002-07-22 2004-09-09 3+Extruder Gmbh Extruder
US7246936B2 (en) * 2004-06-04 2007-07-24 Certainteed Corp. Dynamic mixer screw tip
DE102004052055B4 (de) * 2004-10-26 2014-11-20 Blach Verwaltung Gmbh & Co.Kg Extruder
US20060103045A1 (en) * 2004-11-17 2006-05-18 O'brien-Bernini Frank C Wet use chopped strand glass as reinforcement in extruded products
US20070177451A1 (en) * 2006-02-02 2007-08-02 Benjamin Craig A Serrated kneading disk and kneading block
DE102006014692B3 (de) * 2006-03-28 2007-08-02 Berstorff Gmbh Schneckenelement
JP4746014B2 (ja) * 2007-07-09 2011-08-10 株式会社日本製鋼所 溶融混練脱揮押出機
DE102008029303A1 (de) * 2008-06-20 2009-12-24 Bayer Technology Services Gmbh Schneckenelemente mit verbesserter Dispergierwirkung und geringem Energieeintrag
US8187651B2 (en) * 2008-11-24 2012-05-29 Kraft Foods Global Brands Llc Method and apparatus for continuous processing of whole muscle meat products
US8308342B2 (en) * 2008-11-24 2012-11-13 Kraft Foods Global Brands Llc Processing elements for mixing meat products
US8641263B2 (en) * 2008-11-24 2014-02-04 Kraft Foods Group Brands Llc Method and apparatus for continuous processing of whole muscle meat products
US9079334B2 (en) 2012-04-27 2015-07-14 King Abdulaziz City For Science And Technology Integrated single and twin screw extruder
JP5635047B2 (ja) * 2012-09-07 2014-12-03 株式会社日本製鋼所 二軸スクリュ押出機及び混練方法
US8864486B2 (en) 2013-03-15 2014-10-21 Corning Incorporated Twin screw shaft spacer bearing
US11820603B2 (en) 2019-02-11 2023-11-21 Gea Process Engineering Nv Feeder device for feeding a powder material

Citations (5)

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Publication number Priority date Publication date Assignee Title
DE813154C (de) * 1949-09-29 1951-09-06 Bayer Ag Misch- und Knetvorrichtung
CH453666A (de) * 1966-03-08 1968-03-31 Werner & Pfleiderer Verfahren und Einrichtung zur Aufbereitung von Kunststoffmischungen
US3453356A (en) * 1964-02-24 1969-07-01 Dow Chemical Co Mixing of filamentary reinforcing material with thermoplastic resins
AT284424B (de) * 1962-10-03 1970-09-10 Shell Int Research Verfahren und Strangpresse zur Herstellung von Filmen aus schäumbarem Polystyrol
DE3014643A1 (de) * 1980-04-16 1981-10-22 Bayer Ag, 5090 Leverkusen Gleichsinnig rotierbare doppelschnecke

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USRE23948E (en) * 1955-02-15 Material treating apparatus
US963122A (en) * 1908-08-18 1910-07-05 William Edwin Damon Disintegrator.
FR1119651A (fr) * 1949-07-15 1956-06-22 Dispositif homogénéiseur pour machine à extruder ou à injecter les matières thermoplastiques
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US3122356A (en) * 1958-08-23 1964-02-25 Bayer Ag Worm arrangement
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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.
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JPS562149A (en) * 1979-06-19 1981-01-10 Mitsubishi Petrochem Co Ltd Continuous manufacture of aqueous dispersion of olefin resin
DE3026842C2 (de) * 1980-07-16 1984-02-16 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Doppelschnecken-Entgasungsextruder für thermoplastische Materialien
JPS5722032A (en) * 1980-07-17 1982-02-04 Toshiba Mach Co Ltd Extrusion by multiple shaft extruder and screw used for it
DE3206325C2 (de) * 1982-02-22 1985-10-10 AUTOMATIK Apparate-Maschinenbau GmbH, 8754 Großostheim Mehrwellige, kontinuierlich arbeitende Misch- und Knetmaschine für plastifizierbare Massen
US4663103A (en) * 1983-08-09 1987-05-05 Collins & Aikman Corporation Apparatus and method of extrusion
FR2550922A1 (fr) * 1983-08-26 1985-03-01 Creusot Loire Procede et installation de preparation d'une pate de chocolat
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US4875847A (en) * 1984-04-23 1989-10-24 Wenger Manufacturing, Inc. Twin-screw extruder having respective conical nose screw sections
DE3668577D1 (de) * 1985-08-16 1990-03-08 Idemitsu Petrochemical Co Schnecke zum verarbeiten von thermoplastischem kunststoff.
US4752135A (en) * 1986-12-01 1988-06-21 Baker Perkins, Inc. Mixing apparatus and methods
DE3711328C1 (de) * 1987-04-03 1988-03-24 Werner & Pfleiderer Entgasungsvorrichtung fuer Schneckenextruder
US4895688A (en) * 1988-10-24 1990-01-23 Oji Paper Co., Ltd. Method of producing a support for photographic paper
DE3841729C1 (de) * 1988-12-10 1990-03-01 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover, De

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE813154C (de) * 1949-09-29 1951-09-06 Bayer Ag Misch- und Knetvorrichtung
AT284424B (de) * 1962-10-03 1970-09-10 Shell Int Research Verfahren und Strangpresse zur Herstellung von Filmen aus schäumbarem Polystyrol
US3453356A (en) * 1964-02-24 1969-07-01 Dow Chemical Co Mixing of filamentary reinforcing material with thermoplastic resins
CH453666A (de) * 1966-03-08 1968-03-31 Werner & Pfleiderer Verfahren und Einrichtung zur Aufbereitung von Kunststoffmischungen
DE3014643A1 (de) * 1980-04-16 1981-10-22 Bayer Ag, 5090 Leverkusen Gleichsinnig rotierbare doppelschnecke

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10050295A1 (de) * 2000-10-10 2002-04-11 Buehler Ag Mehrwellen-Extruder und Verfahren zur Aufbereitung und/oder Vorarbeitung von mit Füllstoff versetzten Elastomeren
US6821101B2 (en) 2001-04-12 2004-11-23 Demag Ergotech Gmbh Injection unit for injection molding machines with continuously operating plasticizing unit
DE10163519B4 (de) * 2001-12-25 2016-03-03 Dieffenbacher GmbH Maschinen- und Anlagenbau Plastifizierextruder zur Herstellung von faserverstärkten Kunststoffmassen

Also Published As

Publication number Publication date
JP2732920B2 (ja) 1998-03-30
FR2640190B1 (fr) 1992-08-07
US5044757A (en) 1991-09-03
GB8927384D0 (en) 1990-01-31
FR2640190A1 (fr) 1990-06-15
GB2226273A (en) 1990-06-27
JPH02202425A (ja) 1990-08-10

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Legal Events

Date Code Title Description
8100 Publication of patent without earlier publication of application
D1 Grant (no unexamined application published) patent law 81
8363 Opposition against the patent
8331 Complete revocation