ES2056442T3 - Procedimiento para la fabricacion de piezas moldeadas en plastico. - Google Patents

Procedimiento para la fabricacion de piezas moldeadas en plastico.

Info

Publication number
ES2056442T3
ES2056442T3 ES90901777T ES90901777T ES2056442T3 ES 2056442 T3 ES2056442 T3 ES 2056442T3 ES 90901777 T ES90901777 T ES 90901777T ES 90901777 T ES90901777 T ES 90901777T ES 2056442 T3 ES2056442 T3 ES 2056442T3
Authority
ES
Spain
Prior art keywords
plastic
section
melt
procedure
manufacture
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 - Lifetime
Application number
ES90901777T
Other languages
English (en)
Inventor
Kurt Kniss
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.)
JV Kunststoffwerk GmbH
Original Assignee
JV Kunststoffwerk 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 JV Kunststoffwerk GmbH filed Critical JV Kunststoffwerk GmbH
Application granted granted Critical
Publication of ES2056442T3 publication Critical patent/ES2056442T3/es
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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0013—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor using fillers dispersed in the moulding material, e.g. metal particles
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58—Details
    • B29C45/60—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
    • B29C48/268—Throttling of the flow, e.g. for cooperating with plasticising elements or for degassing
    • 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
    • B29C48/297—Feeding the extrusion material to the extruder at several locations, e.g. using several hoppers or using a separate additive feeding
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; 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
    • B29C48/03—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
    • 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
    • B29C48/04—Particle-shaped
    • 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
    • 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
    • B29C48/25—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
    • 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
    • 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
    • B29K2105/0058—Liquid or visquous
    • B29K2105/0067—Melt
    • 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
    • B29K2105/16—Fillers
    • 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
    • B29K2105/25—Solid
    • B29K2105/251—Particles, powder or granules

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

EN UN PROCESO PARA PRODUCIR MOLDEADOS GRUESOS, PREFERIBLEMENTE EN FORMA DE DISCO O MOLDEADOS CON ZONAS DE SECCION CRUZADA MUY DIFERENTE DESDE TERMOPLASTICOS, AL MENOS PARTE DEL PLASTICO ES INTRODUCIDO DERRETIDO EN UN MOLDE DE COMPRESION QUE PUEDE SER CALENTADO Y, SI ES NECESARIO, ENFRIADO, Y DESPUES SE COMPRIME. DE ACUERDO CON LA INVENCION, EL DERRETIDO ES MEZCLADO CON GRANULOS DE PLASTICO ANTES DE ENTRAR L MOLDE DE COMPRESION. UN DISPOSITIVO PARA PRODUCIR UNA MEZCLA DE UN DERRETIDO Y UN PLASTICO GRANULAR, EN PARTICULAR EN EL PROCESO QUE SE MENCIONA ARRIBA, COMPRENDE UNA PRIMERA SECCION EN LA FORMA DE UN EXPRIMIDOR DE DERRETIDO Y UNA SEGUNDA SECCION EN FORMA DE UN EXPRIMIDOR DE MEZCLA. EL PLASTICO GRANULADO ES AÑADIDO AL DERRETIDO ENTRE LAS DOS SECCIONES DE EXPRIMIDO EN LA SEGUNDA SECCION DE EXPRIMIDO.
ES90901777T 1988-12-23 1989-12-22 Procedimiento para la fabricacion de piezas moldeadas en plastico. Expired - Lifetime ES2056442T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3843576A DE3843576A1 (de) 1988-12-23 1988-12-23 Verfahren und vorrichtung zur herstellung von kunststoffformteilen

Publications (1)

Publication Number Publication Date
ES2056442T3 true ES2056442T3 (es) 1994-10-01

Family

ID=6370071

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90901777T Expired - Lifetime ES2056442T3 (es) 1988-12-23 1989-12-22 Procedimiento para la fabricacion de piezas moldeadas en plastico.

Country Status (6)

Country Link
US (1) US5234656A (es)
EP (1) EP0449978B1 (es)
BR (1) BR8907851A (es)
DE (2) DE3843576A1 (es)
ES (1) ES2056442T3 (es)
WO (1) WO1990007412A1 (es)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0563012A1 (de) * 1992-03-18 1993-09-29 Gottlieb Looser Vorrichtung zum Mischen von fliessfähigem Material
AT399311B (de) * 1992-09-25 1995-04-25 Engel Gmbh Maschbau Einspritzaggregat für eine spritzgiessmaschine
JPH0929812A (ja) * 1995-07-18 1997-02-04 Toshiba Mach Co Ltd 成形機用スクリュー
DE19930920A1 (de) * 1999-07-06 2001-01-11 Fact Future Advanced Composite Langfaserverstärktes thermoplastisches Material und Verfahren zum Herstellen desselben
ITMI20011406A1 (it) * 2001-07-03 2003-01-03 Gimac Di Maccagnan Giorgio Dispositivo miscelatore
GB0122216D0 (en) * 2001-09-14 2001-11-07 Dow Corning Iberica S A Extruder
JP4034124B2 (ja) * 2002-06-05 2008-01-16 株式会社ブリヂストン 押出機用スクリュー及びその製造方法
DE10233213B4 (de) * 2002-07-22 2004-09-09 3+Extruder Gmbh Extruder
DE102004052055B4 (de) * 2004-10-26 2014-11-20 Blach Verwaltung Gmbh & Co.Kg Extruder
EP1754530A1 (de) * 2005-08-18 2007-02-21 StaMixCo Technology AG Mischelement zum Invertieren und Mischen von strömenden Stoffen in einem Strömungskanal, Bausatz und Mischer enthaltend dergestalte Mischelemente, sowie Verfahren zum Mischen eines strömenden Stoffes in einem Strömungskanal
CN101262996B (zh) * 2005-09-16 2014-05-07 尤尼威蒂恩技术有限责任公司 增加连续混合机或挤压机的生产率的方法
US20070190198A1 (en) * 2006-02-16 2007-08-16 Hyundai Mobis Co., Ltd. Apparatus for processing polypropylene compound containing glass bubble
DE102006022123C5 (de) * 2006-05-11 2010-07-29 Kiefel Extrusion Gmbh Schneckenpresse für die Verarbeitung thermoplastischer und nicht vernetzender Polymere
US20100052206A1 (en) * 2008-08-29 2010-03-04 Christopher Lane Kerr Extrusion Mixing Screw And Method Of Use
US8308342B2 (en) * 2008-11-24 2012-11-13 Kraft Foods Global Brands Llc Processing elements for mixing meat products
US8187651B2 (en) 2008-11-24 2012-05-29 Kraft Foods Global Brands Llc Method and apparatus for continuous processing of whole muscle 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
PL2393647T3 (pl) * 2009-02-09 2013-09-30 Basf Se Sposób wytwarzania elementów kształtowych z polimeru polioksymetylenowego
WO2020254467A1 (en) * 2019-06-21 2020-12-24 Lego A/S An extruder screw, an injection molding apparatus and a method of injection molding
DE102022132684A1 (de) 2022-12-08 2024-06-13 Bayerische Motoren Werke Aktiengesellschaft Tragbares Gerät zur Herstellung eines Probenkörpers und Verfahren zur Bewertung eines Probenkörpers

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FR1526053A (fr) * 1966-03-26 1968-05-24 Werner & Pfleiderer Procédé et dispositif pour la préparation de mélanges thermoplastiques par homogénéisation continue de plusieurs portions
DE1604396A1 (de) * 1966-03-26 1970-09-17 Werner & Pfleiderer Verfahren und Vorrichtung zur Herstellung thermoplastischer Mischungen durch kontinuierliches Homogenisieren mehrerer Mischungsteile
DE2321634A1 (de) * 1973-04-28 1974-11-14 Vowinckel Fa Joh J Verfahren zum herstellen dickwandiger platten aus einem polyolefin
DE2632335C2 (de) * 1976-07-17 1987-04-09 Fried. Krupp Gmbh, 4300 Essen Mischeinrichtung
DD134615A1 (de) * 1977-12-01 1979-03-14 Manfred Graeser Mischer fuer plastiziersysteme,insbesondere ein-und mehrschneckenextruder
DE2801499C3 (de) * 1978-01-11 1981-05-27 Siemens AG, 1000 Berlin und 8000 München Extruder zur Behandlung hochtemperaturempfindlicher Kunststoffe
JPS57110429A (en) * 1980-12-27 1982-07-09 Ishikawajima Harima Heavy Ind Co Ltd Mixing and dispersing apparatus in molten resin extruder
DE3138858C2 (de) * 1981-09-30 1986-02-06 Lenser Kunststoff-Presswerk Gmbh + Co Kg, 7913 Senden Verfahren zur Herstellung von Fertigformlingen unterschiedlichen Querschnitts aus thermoplastischem Werkstoff
DE3138857C2 (de) * 1981-09-30 1986-02-06 Lenser Kunststoff-Presswerk Gmbh + Co Kg, 7913 Senden Verfahren zur Herstellung von Fertigformlingen mit Bereichen unterschiedlichen Querschnitts, insbesondere von Kammer- und Membranfilterplatten für Fest-Flüssigtrennung
DE3233416C3 (de) * 1982-09-09 1996-08-29 Klaus Kalwar Schneckenpresse zur Verarbeitung von Kunststoffen
EP0113041B1 (de) * 1982-12-06 1987-07-08 Windmöller & Hölscher Verfahren und Vorrichtung zur Bildung und Umschichtung von Teilströmen von aus bzw. in einer Strangpresse geförderten thermoplastischen und/oder elastomeren Massen
DD233270A3 (de) * 1982-12-27 1986-02-26 Orbitaplast Veb Mischelement fuer plastizier- und/oder foerderschnecken
DE3309007C2 (de) * 1983-03-14 1986-01-30 AUTOMATIK Apparate-Maschinenbau GmbH, 8754 Großostheim Verfahren und Vorrichtung zum Herstellen von mit Verstärkungsfasern zu füllendem thermoplastischen Material

Also Published As

Publication number Publication date
DE3843576A1 (de) 1990-07-12
US5234656A (en) 1993-08-10
DE58907531D1 (de) 1994-05-26
DE3843576C2 (es) 1992-06-25
EP0449978A1 (de) 1991-10-09
BR8907851A (pt) 1991-10-22
WO1990007412A1 (de) 1990-07-12
EP0449978B1 (de) 1994-04-20

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