IT1216670B - Impiego come estrusore secondario di un dispositivo per il raffeddamento di una massa fusa mista in materiale sintetico e agente di espansione prodotta in un estrusore primario. - Google Patents

Impiego come estrusore secondario di un dispositivo per il raffeddamento di una massa fusa mista in materiale sintetico e agente di espansione prodotta in un estrusore primario.

Info

Publication number
IT1216670B
IT1216670B IT8820046A IT2004688A IT1216670B IT 1216670 B IT1216670 B IT 1216670B IT 8820046 A IT8820046 A IT 8820046A IT 2004688 A IT2004688 A IT 2004688A IT 1216670 B IT1216670 B IT 1216670B
Authority
IT
Italy
Prior art keywords
mixed
extruder
cooling
synthetic material
expansion agent
Prior art date
Application number
IT8820046A
Other languages
English (en)
Other versions
IT8820046A0 (it
Inventor
Werner Mueller
Original Assignee
Berstorff Gmbh Masch Hermann
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6325666&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT1216670(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Berstorff Gmbh Masch Hermann filed Critical Berstorff Gmbh Masch Hermann
Publication of IT8820046A0 publication Critical patent/IT8820046A0/it
Application granted granted Critical
Publication of IT1216670B publication Critical patent/IT1216670B/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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • 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
    • B29B7/485—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 with three or more shafts provided with screws
    • 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
    • B29B7/82—Heating or cooling
    • B29B7/826—Apparatus therefor
    • 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
    • B29C48/365—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pumps, e.g. piston pumps
    • B29C48/37—Gear pumps
    • 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
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/38—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in the same barrel
    • 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
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/385—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in separate barrels
    • 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
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/387—Plasticisers, homogenisers or feeders comprising two or more stages using a screw extruder and a gear pump
    • 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
    • B29C48/25—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
    • B29C48/435—Sub-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
    • 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
    • B29C48/435—Sub-screws
    • B29C48/44—Planetary 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • B29C48/834—Cooling
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/84—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders by heating or cooling the feeding screws
    • B29C48/85—Cooling
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
IT8820046A 1987-04-15 1988-03-31 Impiego come estrusore secondario di un dispositivo per il raffeddamento di una massa fusa mista in materiale sintetico e agente di espansione prodotta in un estrusore primario. IT1216670B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3712749A DE3712749C1 (de) 1987-04-15 1987-04-15 Verwendung eines Sekundaerextruders einer Tandemanlage zum Kuehlen einer in einem Primaerextruder hergestellten Kunststoff-Treibmittelgemischschmelze

Publications (2)

Publication Number Publication Date
IT8820046A0 IT8820046A0 (it) 1988-03-31
IT1216670B true IT1216670B (it) 1990-03-08

Family

ID=6325666

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8820046A IT1216670B (it) 1987-04-15 1988-03-31 Impiego come estrusore secondario di un dispositivo per il raffeddamento di una massa fusa mista in materiale sintetico e agente di espansione prodotta in un estrusore primario.

Country Status (4)

Country Link
JP (1) JPS63278818A (it)
DE (1) DE3712749C1 (it)
GB (1) GB2204524A (it)
IT (1) IT1216670B (it)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2006361A1 (en) * 1988-12-27 1990-06-27 Jean G. Korb Method and apparatus for preparing thermoplastic foam
DE4308098B4 (de) * 1993-03-15 2005-03-10 Rust & Mitschke Entex Planetwalzenextruder
EP0629479B1 (en) * 1993-06-16 1999-02-10 Union Carbide Chemicals And Plastics Company, Inc. Apparatus and process for continuously pelletizing synthetic thermoplastic materials
DE19812889B4 (de) * 1998-03-24 2008-05-29 Entex Rust & Mitschke Gmbh Flüssigkeitsgekühlter Planetwalzenextruder
DE19815695C2 (de) * 1998-04-08 2001-09-20 Battenfeld Extrusionstech Planetwalzenextruder
DE20003297U1 (de) * 2000-02-23 2000-07-06 Battenfeld Extrusionstechnik Gmbh, 32547 Bad Oeynhausen Vorrichtung zum Plastifizieren von Kunststoffmaterial
US6974310B2 (en) * 2000-09-28 2005-12-13 Berstorff Gmbh Screw extruder and gear pump arrangement for highly viscous media
DE10055772A1 (de) * 2000-11-10 2002-05-29 Buehler Ag Ring-Extruder-Einzug
DE10150006A1 (de) * 2001-10-11 2003-04-17 Buehler Ag Ringextruder mit teilgekappten Förderelementen im Einzugsbereich
ES2272880T3 (es) * 2003-02-09 2007-05-01 ENTEX RUST & MITSCHKE GMBH Procedimiento para el tratamiento de pet.
DE10317357B4 (de) * 2003-04-15 2006-10-26 3+Extruder Gmbh Extruder
DE10356350B4 (de) * 2003-11-28 2008-04-30 Battenfeld Extrusionstechnik Gmbh Verfahren zum Temperieren eines Walzenteils eines Planetwalzenextruders
IT1397297B1 (it) * 2009-11-25 2013-01-04 Polymtec Trading Ag Ora Polymtec Engineering Ag Articolo a base di polistirolo estruso, procedimento ed impianto per ottenere tale articolo
CN101966746A (zh) * 2010-06-23 2011-02-09 昆山科信橡塑机械有限公司 一种用于连接上下流道的单双连接体
DE102013008202B4 (de) * 2013-05-14 2017-10-26 Frank van Lück Verfahren zur Herstellung eines Schaumkörpers durch Extrusion und Extrusionsvorrichtung zur Herstellung eines Schaumkörpers
DE102013008201B4 (de) * 2013-05-14 2017-08-17 Gneuss Gmbh Verfahren zur Herstellung eines Schaumkörpers durch Extrusion und Extrusionsvorrichtung zur Herstellung eines Schaumkörpers
JP2015218318A (ja) * 2014-05-21 2015-12-07 テーザ・ソシエタス・ヨーロピア シンタクチックフォーム型のポリマー組成物、好ましくは感圧接着性組成物を製造する方法、その方法を実施するための装置、押出し物、および自己接着テープ
WO2016059572A2 (en) * 2014-10-16 2016-04-21 Polimer S.A.S. Di Federici Renato E C. A plant and method for making a plastic film
DE102017006638A1 (de) 2017-07-13 2019-01-17 Entex Rust & Mitschke Gmbh Füllteilmodul in Planetwalzenextruderbauweise
WO2020028004A1 (en) * 2018-07-30 2020-02-06 Corning Incorporated Extrusion apparatus for ceramic structures and honeycomb filters
DE102019121854A1 (de) * 2019-08-14 2021-02-18 Brückner Maschinenbau GmbH & Co. KG Anlage zur Herstellung einer Kunststoffschmelze und Verwendung einer solchen Anlage zur Herstellung einer Kunststoffschmelze für eine poröse Folie
EP3827962A1 (en) * 2019-11-26 2021-06-02 3M Innovative Properties Company Foamed polymeric composition
DE102020114392A1 (de) * 2020-05-28 2021-12-02 Edgar Gandelheidt Blasfolienanlage aufweisend ein plastifizierungs- und/oder konditionierungsmittel umfassend eine zentralwelle und zumindest eine planetwalze, herstellverfahren, folienbahn und umrüstverfahren
DE102021125395A1 (de) 2021-09-30 2023-03-30 Battenfeld-Cincinnati Germany Gmbh Planetwalzenextruder zum Verarbeiten von biologisch abbaubaren Materialien und Verfahren zum Reinigen des Planetwalzenextruders

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Publication number Priority date Publication date Assignee Title
DE1135652B (de) * 1950-06-29 1962-08-30 Dow Chemical Co Ununterbrochenes Verfahren zum Herstellen eines thermoplastischen Zellkoerpers
SE318703B (it) * 1963-11-15 1969-12-15 W M B International Ab
DE2554712A1 (de) * 1975-12-05 1977-06-08 Bayer Ag Vorrichtung zum extrudieren von temperaturempfindlichen, thermoplastischen kunststoffen zu halbzeugen
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
DE2905717A1 (de) * 1979-02-15 1980-08-28 Berstorff Gmbh Masch Hermann Einschneckenextruder zum verarbeiten und strangpressen von thermoplastischen massen
JPS6052925B2 (ja) * 1980-04-24 1985-11-22 積水化成品工業株式会社 樹脂発泡体製造用温度調節装置
DE3316838C2 (de) * 1983-05-07 1986-08-21 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Tandem-Extruderanlage zur Herstellung einer geschäumten Materialbahn aus thermoplastischem Material, insbesondere aus Polystyrol
CA1255866A (en) * 1985-07-24 1989-06-20 Hiromu Fujisaki Method and apparatus for production of foamed thermoplastic material
JPS6223725A (ja) * 1985-07-24 1987-01-31 Sekisui Plastics Co Ltd 熱可塑性樹脂発泡体の製造装置
JPS6256144A (ja) * 1985-09-06 1987-03-11 川崎製鉄株式会社 複合積層鋼板の接着状態検出方法

Also Published As

Publication number Publication date
IT8820046A0 (it) 1988-03-31
GB8808237D0 (en) 1988-05-11
DE3712749C1 (de) 1988-07-07
GB2204524A (en) 1988-11-16
JPS63278818A (ja) 1988-11-16

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