DE2342794C3 - Verfahren und Vorrichtung zum diskontinuierlichen Herstellen von Mehrschicht- Formteilen aus thermoplastischem Kunststoff - Google Patents

Verfahren und Vorrichtung zum diskontinuierlichen Herstellen von Mehrschicht- Formteilen aus thermoplastischem Kunststoff

Info

Publication number
DE2342794C3
DE2342794C3 DE2342794A DE2342794A DE2342794C3 DE 2342794 C3 DE2342794 C3 DE 2342794C3 DE 2342794 A DE2342794 A DE 2342794A DE 2342794 A DE2342794 A DE 2342794A DE 2342794 C3 DE2342794 C3 DE 2342794C3
Authority
DE
Germany
Prior art keywords
plastic
mold
foamed
injected
nozzle
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
Application number
DE2342794A
Other languages
German (de)
English (en)
Other versions
DE2342794B2 (de
DE2342794A1 (de
Inventor
Werner Ing.(Grad.) 5912 Hilchenbach-Allenbach Fillmann
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.)
SMS Siemag AG
Original Assignee
Schloemann Siemag AG
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 Schloemann Siemag AG filed Critical Schloemann Siemag AG
Priority to DE2342794A priority Critical patent/DE2342794C3/de
Priority to GB3394774A priority patent/GB1441346A/en
Priority to US05/498,324 priority patent/US3972664A/en
Priority to JP9628774A priority patent/JPS5729254B2/ja
Priority to FR7429027A priority patent/FR2241396B3/fr
Publication of DE2342794A1 publication Critical patent/DE2342794A1/de
Publication of DE2342794B2 publication Critical patent/DE2342794B2/de
Application granted granted Critical
Publication of DE2342794C3 publication Critical patent/DE2342794C3/de
Expired 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0492—Devices for feeding the different materials
    • 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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1603—Multi-way nozzles specially adapted 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • B29C2045/1656—Injecting the skin material through the central passage of the multiway nozzle
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/83—Injection molding of polyolefin-type foam

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
DE2342794A 1973-08-24 1973-08-24 Verfahren und Vorrichtung zum diskontinuierlichen Herstellen von Mehrschicht- Formteilen aus thermoplastischem Kunststoff Expired DE2342794C3 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE2342794A DE2342794C3 (de) 1973-08-24 1973-08-24 Verfahren und Vorrichtung zum diskontinuierlichen Herstellen von Mehrschicht- Formteilen aus thermoplastischem Kunststoff
GB3394774A GB1441346A (en) 1973-08-24 1974-08-01 Method and apparatus for manufacturing moulded parts of thermo plastic synthetic material
US05/498,324 US3972664A (en) 1973-08-24 1974-08-19 Injection molding apparatus for manufacturing layered articles
JP9628774A JPS5729254B2 (enExample) 1973-08-24 1974-08-23
FR7429027A FR2241396B3 (enExample) 1973-08-24 1974-08-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2342794A DE2342794C3 (de) 1973-08-24 1973-08-24 Verfahren und Vorrichtung zum diskontinuierlichen Herstellen von Mehrschicht- Formteilen aus thermoplastischem Kunststoff

Publications (3)

Publication Number Publication Date
DE2342794A1 DE2342794A1 (de) 1975-03-13
DE2342794B2 DE2342794B2 (de) 1981-02-05
DE2342794C3 true DE2342794C3 (de) 1981-09-17

Family

ID=5890616

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2342794A Expired DE2342794C3 (de) 1973-08-24 1973-08-24 Verfahren und Vorrichtung zum diskontinuierlichen Herstellen von Mehrschicht- Formteilen aus thermoplastischem Kunststoff

Country Status (5)

Country Link
US (1) US3972664A (enExample)
JP (1) JPS5729254B2 (enExample)
DE (1) DE2342794C3 (enExample)
FR (1) FR2241396B3 (enExample)
GB (1) GB1441346A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4376625A (en) 1980-07-05 1983-03-15 Battenfeld Maschinenfabrik Gmbh Injection-molding apparatus for making objects of two different resins
DE4340990A1 (de) * 1993-11-05 1995-05-11 Battenfeld Gmbh Verfahren und Vorrichtung zum Spritzgießen von mehrschichtigen Gegenständen

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135870A (en) * 1976-06-03 1979-01-23 Standard Oil Company (Indiana) Machine for producing additive containing plastic articles
DE2705291A1 (de) * 1977-02-09 1978-08-10 Schloemann Siemag Ag Verfahren und vorrichtung zur herstellung von formteilen aus thermoplastischem kunststoff
US4117955A (en) * 1977-04-13 1978-10-03 Beloit Corporation Multi-port valved nozzle for co-injection molding
US4355721A (en) * 1979-05-11 1982-10-26 American Can Company Package for food products
US4568261A (en) * 1979-07-20 1986-02-04 American Can Company Apparatus for making a multi-layer injection blow molded container
US4526821A (en) * 1979-07-20 1985-07-02 American Can Company Multi-layer container and method of making same
US4297092A (en) * 1980-06-30 1981-10-27 Midland-Ross Corporation Accumulator head used in the formation of a multi-layer parison
US4518557A (en) * 1981-05-18 1985-05-21 James River-Norwalk, Inc. Process for skin foam
US4411849A (en) * 1981-08-03 1983-10-25 James River-Dixie/Northern, Inc. Method for forming a plurality of objects from a plurality of superimposed sheets
US4457511A (en) * 1982-03-15 1984-07-03 William Witkowski Plastic bowling pin and method of making the same
US4934915A (en) * 1983-04-13 1990-06-19 American National Can Company Apparatus for injection molding multi-layer articles
US4946365A (en) * 1983-04-13 1990-08-07 American National Can Company Apparatus for injection molding and injection blow molding multi-layer articles
US6129960A (en) 1983-04-13 2000-10-10 Pechiney Plastic Packaging, Inc. Methods and apparatus for injection molding and injection blow molding multi-layer plastic and the articles made thereby
US4712990A (en) * 1983-04-13 1987-12-15 American Can Company Apparatus for injection molding and injection blow molding multi-layer articles
US4892699A (en) * 1983-04-13 1990-01-09 American National Can Company Methods for injection molding and injection blow molding multi-layer articles
US5523045A (en) 1983-04-13 1996-06-04 American National Can Company Methods for injection molding and blow-molding multi-layer plastic articles
US5037285A (en) 1983-04-13 1991-08-06 American National Can Company Apparatus for injection molding and injection blow molding multi-layer articles
US4895504A (en) * 1983-04-13 1990-01-23 American National Can Company Apparatus for injection molding and injection blow molding multi-layer articles
US4931246A (en) * 1983-04-13 1990-06-05 American National Can Company Method for injection molding multi-layer articles
NO163087C (no) * 1983-09-03 1990-04-04 Hennecke Gmbh Maschf Flerstoffdyse til sammenfoering av minst to flytbare reaksjonskomponenter for fremstilling av en flytbar, til kunststoff, spesielt til skumstoff, utreagerende reaksjonsblanding.
US4657496A (en) * 1984-06-04 1987-04-14 Gifu Husky Co., Ltd. Hot-runner mold for injection molding
DE3735099A1 (de) * 1987-10-16 1989-04-27 Battenfeld Gmbh Verfahren und vorrichtung zur herstellung von mehrschicht-formteilen
US5294385A (en) * 1988-03-25 1994-03-15 Kyowa Electric & Chemical Co., Ltd. Method of forming thick-walled front cabinet for image display device
US5221507A (en) * 1990-04-24 1993-06-22 Devtech Labs, Inc. Process for coinjection molding of preforms for multi-layer containers
US5433910A (en) * 1991-05-14 1995-07-18 Toyoda Gosei Co., Ltd. Method of producing molding
US5232712A (en) * 1991-06-28 1993-08-03 Brown University Research Foundation Extrusion apparatus and systems
US5389317A (en) * 1993-08-19 1995-02-14 Davidson Textron Inc. Method for molding composite articles including a shaped foam cushion by spraying foamable components
US5920943A (en) * 1995-08-17 1999-07-13 The Wooster Brush Company Paint brush with co-injection molded handle and method of making same
US5840228A (en) * 1996-10-08 1998-11-24 Ritchey; Eugene B. Method of creating indicia on a molded article
ES2177959T3 (es) * 1996-11-28 2002-12-16 Rafael Zvi Karl Kilim Modelar articulos plasticos al variar ciclicamente su composicion.
US5882693A (en) * 1996-12-31 1999-03-16 Incoe Corporation Fluid assist valve-gate bushing with concentric pin members
CH692573A5 (de) * 1997-11-04 2002-08-15 Otto Hofstetter Ag Werkzeug Un Verfahren zur Herstellung von mehrschichtigen Vorformlingen.
CA2253042C (en) * 1998-11-05 2007-04-17 Jobst Ulrich Gellert Method of three layer injection molding with sequential and simultaneous coinjection
US6423254B1 (en) * 1998-12-22 2002-07-23 Elma Chemicals Srl Method for manufacturing products through the use of waste materials of various kind
US6305563B1 (en) 1999-01-12 2001-10-23 Aptargroup, Inc, One-piece dispensing structure and method and apparatus for making same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3070126A (en) * 1959-07-14 1962-12-25 Novo Ind Corp Vacuum casting nozzle
FR1290262A (fr) * 1961-03-01 1962-04-13 Perfectionnements aux machines d'injection pour matières plastiques
US3488810A (en) * 1967-03-17 1970-01-13 Jobst U Gellert Valve-gated mold construction
US3778209A (en) * 1971-12-16 1973-12-11 Dan Morrison Meat Pies Inc Extruder for food products such as tamales
JPS5545374A (en) * 1978-09-29 1980-03-31 Shimadaya Honten:Kk Preparation of won ton having long-term preservability

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4376625A (en) 1980-07-05 1983-03-15 Battenfeld Maschinenfabrik Gmbh Injection-molding apparatus for making objects of two different resins
DE4340990A1 (de) * 1993-11-05 1995-05-11 Battenfeld Gmbh Verfahren und Vorrichtung zum Spritzgießen von mehrschichtigen Gegenständen

Also Published As

Publication number Publication date
FR2241396A1 (enExample) 1975-03-21
DE2342794B2 (de) 1981-02-05
DE2342794A1 (de) 1975-03-13
JPS5729254B2 (enExample) 1982-06-22
FR2241396B3 (enExample) 1977-06-17
JPS5051165A (enExample) 1975-05-07
GB1441346A (en) 1976-06-30
US3972664A (en) 1976-08-03

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Legal Events

Date Code Title Description
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee