DE3482552D1 - Verfahren zum extrudieren von thermoplastischen materialien. - Google Patents

Verfahren zum extrudieren von thermoplastischen materialien.

Info

Publication number
DE3482552D1
DE3482552D1 DE8484114561T DE3482552T DE3482552D1 DE 3482552 D1 DE3482552 D1 DE 3482552D1 DE 8484114561 T DE8484114561 T DE 8484114561T DE 3482552 T DE3482552 T DE 3482552T DE 3482552 D1 DE3482552 D1 DE 3482552D1
Authority
DE
Germany
Prior art keywords
screw
gear pump
melted
screw conveyor
work station
Prior art date
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 - Fee Related
Application number
DE8484114561T
Other languages
English (en)
Inventor
James M Dr Mckelvey
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.)
Luwa Corp
Original Assignee
Luwa Corp
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=24227950&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3482552(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Luwa Corp filed Critical Luwa Corp
Application granted granted Critical
Publication of DE3482552D1 publication Critical patent/DE3482552D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C48/78—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
    • B29C48/845—Heating
    • 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
    • B29C48/362—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using static mixing devices
    • 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
    • B29C48/387—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
    • 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
    • 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
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
    • 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
    • B29C48/82—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
    • B29C48/83—Heating or cooling the cylinders
    • B29C48/832—Heating
    • 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
    • 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
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • 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
    • B29C48/363—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using non-actuated dynamic mixing devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • General Details Of Gearings (AREA)
DE8484114561T 1983-12-05 1984-11-30 Verfahren zum extrudieren von thermoplastischen materialien. Expired - Fee Related DE3482552D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/558,042 US4501498A (en) 1983-12-05 1983-12-05 Method and apparatus for extruding thermoplastic material

Publications (1)

Publication Number Publication Date
DE3482552D1 true DE3482552D1 (de) 1990-07-26

Family

ID=24227950

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484114561T Expired - Fee Related DE3482552D1 (de) 1983-12-05 1984-11-30 Verfahren zum extrudieren von thermoplastischen materialien.

Country Status (8)

Country Link
US (1) US4501498A (de)
EP (1) EP0144932B1 (de)
JP (1) JPS60242034A (de)
AT (1) ATE53957T1 (de)
AU (1) AU565277B2 (de)
BR (1) BR8406194A (de)
CA (1) CA1223416A (de)
DE (1) DE3482552D1 (de)

Families Citing this family (43)

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US4707139A (en) * 1985-11-22 1987-11-17 Farrell Corporation Control system and method for continuous mixer with moving surface discharge device
GB8604673D0 (en) * 1986-02-25 1986-04-03 Shaw Co Manchester Ltd Francis Treating viscous material
US4908169A (en) * 1986-11-12 1990-03-13 Galic George J Method for plasticating using reciprocating-screw having a melt channel and solids channels
SE8800647L (sv) * 1987-02-27 1989-08-26 Reifenhaeuser Masch Anordning foer blandning av vaermemjukad plast
US4802140A (en) * 1987-04-29 1989-01-31 Eastman Kodak Company Method and molding screw for injection molding
AT392932B (de) * 1987-10-12 1991-07-10 Plastronica Ag Vorwaerm- und dosiervorrichtung
US4900155A (en) * 1988-04-08 1990-02-13 Reifenhauser Gmbh & Co. Maschinenfabrik Method of metering an additive into and mixing it with a thermoplastified synthetic resin
DE3816188A1 (de) * 1988-05-11 1989-11-23 Hofstetter Ag Otto Verfahren zur durchmischung eines fluessigen gutes
US5191537A (en) * 1989-03-29 1993-03-02 Quantum Chemical Corporation System and method for controlling continuous mixer with melt pump
US5179521A (en) * 1989-03-29 1993-01-12 Quantum Chemical Corporation System and method for controlling continuous mixer with melt pump
JPH0726095Y2 (ja) * 1989-04-21 1995-06-14 三菱重工業株式会社 高分子物質の押出装置
US5122315A (en) * 1990-04-30 1992-06-16 Luwa Corporation Method and appparatus for monitoring and controlling thermoplastic extruder output
US5267847A (en) * 1990-12-24 1993-12-07 Bridgestone Corporation Compact precision extrusion system
US5378415A (en) * 1991-04-07 1995-01-03 Paul Troester Maschinenfabrik Process for the production of homogeneous rubber blanks
GB9109814D0 (en) * 1991-05-07 1991-06-26 Christian Engineering Apparatus for continuously mixing and heating flowable materials
US5213737A (en) * 1991-12-02 1993-05-25 Corning Incorporated Extrusion method and apparatus for producing a body from powder material
JPH05154859A (ja) * 1991-12-06 1993-06-22 Japan Crown Cork Co Ltd 合成樹脂素材供給装置及び密封ライナー形成システム
WO1994016872A1 (en) * 1993-01-22 1994-08-04 Cincinnati Milacron Inc. Preheating apparatus for an extruder
JP2971710B2 (ja) * 1993-09-29 1999-11-08 株式会社日本製鋼所 押出機
EP0740603B1 (de) * 1994-01-19 1998-11-04 The Dow Chemical Company Einzelschneckenextruderverfahren und -gerät
US5433593A (en) * 1994-06-02 1995-07-18 Lci Corporation Gear pump mounting assembly for thermoplastic extrusion line
US5677517A (en) * 1994-12-29 1997-10-14 Lci Corporation International Gravimetric weighing hopper
US5811164A (en) * 1996-09-27 1998-09-22 Plastic Specialties And Technologies Investments, Inc. Aeration pipe and method of making same
US5811038A (en) * 1996-09-27 1998-09-22 Plastic Specialties And Technologies Investments, Inc. Method of blending components for porous plastic pipe processing
US6328919B1 (en) * 1999-02-16 2001-12-11 The Dow Chemical Company Method for extruding polycarbonate of low bulk density
DE19943738C1 (de) * 1999-09-03 2001-03-15 Mannesmann Ag Extruderanlage mit Schneckenextruder und Zahnradextruder
US6468067B1 (en) * 1999-09-16 2002-10-22 Toyo Tire & Rubber Co., Ltd. Composite extruding apparatus of rubber and method of extruding unvulcanized rubber
US7204882B2 (en) * 2005-01-12 2007-04-17 Lung-Wen Chou Polyurethane resin coating device
ES2317123T5 (es) 2005-09-27 2017-05-05 Nestec S.A. Módulo de extracción para un dispositivo de producción de bebidas a partir de cápsulas
JP2007160581A (ja) * 2005-12-12 2007-06-28 Star Seiki Co Ltd 樹脂ペレットの除湿乾燥装置及びその方法
DE102006011067A1 (de) * 2006-03-08 2007-09-13 Krauss-Maffei Kunststofftechnik Gmbh Extruder-/Spritzgießschnecke
US8038424B2 (en) 2008-09-22 2011-10-18 Xerox Corporation System and method for manufacturing sold ink sticks with an injection molding process
FR2964593B1 (fr) * 2010-09-10 2012-10-19 Michelin Soc Tech Dispositif de fabrication d'un pneumatique comprenant des organes de chauffage
US10046501B2 (en) * 2013-03-13 2018-08-14 Chevron Phillips Chemical Company Lp System and method for polymer extrusion
WO2015073366A1 (en) * 2013-11-12 2015-05-21 Zzyzx Polymers LLC Systems and methods of regulating temperature of a solid-state shear pulverization or solid-state melt extrusion device
CA2843392C (en) * 2014-02-19 2020-08-25 Redetec Inc. Apparatus for extruding plastic materials
CA2900251C (en) * 2015-08-12 2018-05-22 Omachron Intellectual Property Inc. Extruder
US11472065B2 (en) 2015-08-12 2022-10-18 Omachron Intellectual Property Inc. Plastic parts made from plastics having different melting points and a method of manufacturing same
CA3079153C (en) 2019-06-25 2022-08-02 Omachron Intellectual Property Inc. Puller apparatus with movable mounting arm
JP2023546261A (ja) * 2020-09-28 2023-11-01 ネーデルランドセ・オルガニサティ・フォール・トゥーヘパスト－ナトゥールウェテンスハッペライク・オンデルズーク・テーエヌオー 長繊維の熱可塑性材料加工のための方法およびシングルスクリュー押し出しシステム
US20230405916A1 (en) * 2020-10-23 2023-12-21 Bixby International Corporation Extrusion perforation system and method
CN112519182A (zh) * 2020-11-16 2021-03-19 江苏图瑞机械有限公司 齿轮泵式热塑性塑料挤出机

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US2692405A (en) * 1949-06-30 1954-10-26 American Viscose Corp Melt spinning apparatus
US2722716A (en) * 1953-02-02 1955-11-08 Western Electric Co Temperature control apparatus
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US3007198A (en) * 1958-12-05 1961-11-07 Monsanto Chemicals Extruder screw
US2992679A (en) * 1958-12-15 1961-07-18 Standard Oil Co Vented extruder structure for removing volatiles from solid polymer
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US3711067A (en) * 1971-01-08 1973-01-16 Midland Ross Corp Extruding and mixing equipment
US3817675A (en) * 1972-06-15 1974-06-18 Beloit Corp Apparatus for dispensing colorant in plasticized thermoplastic material
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US3991153A (en) * 1975-06-24 1976-11-09 American Cyanamid Company Single phase extrusion of acrylic polymer and water
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CA1161231A (en) * 1980-12-10 1984-01-31 Phillips Cables Limited Screw extruder
CA1190017A (en) * 1981-05-12 1985-07-09 Richard H. Handwerk Low energy processing of thermoplastic polymers

Also Published As

Publication number Publication date
AU565277B2 (en) 1987-09-10
JPS60242034A (ja) 1985-12-02
EP0144932A2 (de) 1985-06-19
CA1223416A (en) 1987-06-30
AU3632884A (en) 1985-07-04
BR8406194A (pt) 1985-10-01
ATE53957T1 (de) 1990-07-15
EP0144932A3 (en) 1987-01-21
US4501498A (en) 1985-02-26
EP0144932B1 (de) 1990-06-20

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