DE2705291C2 - - Google Patents

Info

Publication number
DE2705291C2
DE2705291C2 DE2705291A DE2705291A DE2705291C2 DE 2705291 C2 DE2705291 C2 DE 2705291C2 DE 2705291 A DE2705291 A DE 2705291A DE 2705291 A DE2705291 A DE 2705291A DE 2705291 C2 DE2705291 C2 DE 2705291C2
Authority
DE
Germany
Prior art keywords
compact
mold
mold cavity
plastic
inlet channels
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
DE2705291A
Other languages
German (de)
English (en)
Other versions
DE2705291A1 (de
Inventor
Helmut Dipl.-Ing. Eckardt
Juergen 5912 Hilchenbach De Ehritt
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 DE19772705291 priority Critical patent/DE2705291A1/de
Priority to BR7800712A priority patent/BR7800712A/pt
Priority to IT19966/78A priority patent/IT1092414B/it
Priority to FR7804179A priority patent/FR2380122A1/fr
Priority to GB5210/78A priority patent/GB1588785A/en
Priority to US05/887,182 priority patent/US4210616A/en
Publication of DE2705291A1 publication Critical patent/DE2705291A1/de
Application granted granted Critical
Publication of DE2705291C2 publication Critical patent/DE2705291C2/de
Granted 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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • 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
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • B29C2045/1651—Independent injection runners or nozzles
    • 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)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
DE19772705291 1977-02-09 1977-02-09 Verfahren und vorrichtung zur herstellung von formteilen aus thermoplastischem kunststoff Granted DE2705291A1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE19772705291 DE2705291A1 (de) 1977-02-09 1977-02-09 Verfahren und vorrichtung zur herstellung von formteilen aus thermoplastischem kunststoff
BR7800712A BR7800712A (pt) 1977-02-09 1978-02-03 Processo e dispositivo para fabricacao de pecas moldadas de material sintetico termoplastico
IT19966/78A IT1092414B (it) 1977-02-09 1978-02-03 Procedimento e dispositivo per produrre pezzi sagomati di materia artificiale termoplastica
FR7804179A FR2380122A1 (fr) 1977-02-09 1978-02-08 Procede et dispositif de fabrication de moulages en matiere synthetique thermoplastique
GB5210/78A GB1588785A (en) 1977-02-09 1978-02-09 Thermoplastic articles
US05/887,182 US4210616A (en) 1977-02-09 1978-03-16 Apparatus for forming plastic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772705291 DE2705291A1 (de) 1977-02-09 1977-02-09 Verfahren und vorrichtung zur herstellung von formteilen aus thermoplastischem kunststoff

Publications (2)

Publication Number Publication Date
DE2705291A1 DE2705291A1 (de) 1978-08-10
DE2705291C2 true DE2705291C2 (en, 2012) 1988-07-28

Family

ID=6000668

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772705291 Granted DE2705291A1 (de) 1977-02-09 1977-02-09 Verfahren und vorrichtung zur herstellung von formteilen aus thermoplastischem kunststoff

Country Status (6)

Country Link
US (1) US4210616A (en, 2012)
BR (1) BR7800712A (en, 2012)
DE (1) DE2705291A1 (en, 2012)
FR (1) FR2380122A1 (en, 2012)
GB (1) GB1588785A (en, 2012)
IT (1) IT1092414B (en, 2012)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4399697A (en) * 1980-03-26 1983-08-23 Nippon Soken, Inc. Gas flow measuring apparatus
US4289191A (en) * 1980-04-02 1981-09-15 United Technologies Corporation Injection molding thermoplastic patterns having ceramic cores
JPS57203524A (en) * 1981-06-10 1982-12-13 Orion Kasei Kk Method and apparatus for injection molding of expanded molding
US5523045A (en) 1983-04-13 1996-06-04 American National Can Company Methods for injection molding and blow-molding multi-layer plastic 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
US5037285A (en) 1983-04-13 1991-08-06 American National Can Company Apparatus for injection molding and injection blow molding multi-layer articles
US4925161B1 (en) * 1984-12-21 1994-12-20 British Tech Group Process for molding directionally-orientable material using shear force
CA1243462A (en) * 1984-12-21 1988-10-25 Peter S. Allan Moulding process
US5156858A (en) * 1984-12-21 1992-10-20 National Research Development Corporation Apparatus for controlling the molding of a solid product in a mold cavity from molten material which is repeatedly moved within the mold cavity
DE3626848A1 (de) * 1986-08-08 1988-02-18 Werner K Zilg Wkz Industriever Isoliergefaess fuer lebensmittel
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
JPH01252003A (ja) * 1988-03-31 1989-10-06 Kyowa Denki Kagaku Kk 衛星放送受信用パラボラアンテナの反射器およびその製造方法
FR2631883B1 (fr) * 1988-05-27 1990-08-24 Neiman Sa Procede et dispositif d'injection d'au moins deux matieres constituant un reflecteur et reflecteur ainsi obtenu
FR2646950B1 (fr) * 1989-05-09 1991-08-30 Norton Procede d'isolation phonique de corps creux
FR2646949B1 (fr) * 1989-05-09 1991-08-30 Norton Procede d'isolation phonique de corps creux
AT395126B (de) * 1989-10-31 1992-09-25 Engel Gmbh Maschbau Spritzgussduesensatz fuer eine spritzgussmaschine
DE4022530C2 (de) * 1990-07-16 1993-10-21 Kloeckner Ferromatik Desma Düse für Spritzgießmaschinen
US5380187A (en) * 1992-02-21 1995-01-10 Sodick Co., Ltd. Pre-plasticization type injection molding machine
US5494426A (en) * 1992-05-11 1996-02-27 Thermold Partners L.P. Vibrating wall surfaces for molding deformable materials
DE4229254C2 (de) * 1992-09-02 1999-04-01 Teves Gmbh Alfred Spritzaggregat für eine Zweikomponentenspritzgießmaschine
IT1271538B (it) * 1993-10-15 1997-05-30 Sviluppo Settori Impiego Srl Dispositivo per lo stampaggio di articoli di materiale composito e procedimento che utilizza tale dispositivo
WO1995011122A1 (en) * 1993-10-18 1995-04-27 Thermold Partners L.P. Method and apparatus for injection molding
US5993719A (en) * 1994-09-08 1999-11-30 Idemitsu Petrochemical Co., Ltd. Method of producing a laminated molding
DE19624386C1 (de) * 1996-06-19 1998-02-26 Battenfeld Gmbh Vorrichtung zur Herstellung von Kunststoff-Formteilen aus mindestens zwei unterschiedlichen Kunststoff-Materialien
US6423254B1 (en) * 1998-12-22 2002-07-23 Elma Chemicals Srl Method for manufacturing products through the use of waste materials of various kind
GB0008553D0 (en) 2000-04-06 2000-05-24 Unilever Plc Process and apparatus for the production of a detergent bar
US20130214450A1 (en) 2012-02-17 2013-08-22 Apple Inc. Method and apparatus for molding parts
US9707898B1 (en) * 2016-07-11 2017-07-18 Ford Global Technologies, Llc Extruded multi-layer molded running board

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2226408A (en) * 1936-07-21 1940-12-24 New Brunswick Die Molding Corp Apparatus for manufacturing compound molded bodies
US2279380A (en) * 1939-01-28 1942-04-14 Standard Products Co Injection mold gating
US3061879A (en) * 1959-04-18 1962-11-06 Montpeat Ramon Rocafort Apparatus for producing many-coloured artificial flowers of thermoplastic material
FR1542645A (fr) * 1967-08-11 1968-10-18 Engel Kg L Machine à injection destinée à des thermoplastiques
US3809519A (en) * 1967-12-15 1974-05-07 Ici Ltd Injection moulding machines
CH528359A (de) * 1971-09-07 1972-09-30 Hanning Robert Verfahren und Vorrichtung zum Spritzgiessen von Kunststoffteilen
DE2241002B2 (de) * 1971-09-07 1975-04-30 Hanning, Robert, Campinone D'italia (Italien) Verfahren und Vorrichtung zum Spritzgießen von Kunststotf-Formteilen mit glatter Hülle und porigem Kern
US4014966A (en) * 1972-09-06 1977-03-29 Robert Hanning Method for injection molding a composite foamed body having a foamed core and a continuous surface layer
CH566207A5 (en, 2012) * 1972-12-07 1975-09-15 Siemag Siegener Masch Bau
DD103192A1 (en, 2012) * 1973-04-27 1974-01-12
DE2340772A1 (de) * 1973-08-11 1975-02-27 Schloemann Siemag Ag Verfahren und einrichtung zum beschicken einer form mit treibmittelhaltigem, plastifizierten kunststoff
DE2342794C3 (de) * 1973-08-24 1981-09-17 Schloemann-Siemag AG, 4000 Düsseldorf Verfahren und Vorrichtung zum diskontinuierlichen Herstellen von Mehrschicht- Formteilen aus thermoplastischem Kunststoff
DE2346135C2 (de) * 1973-09-13 1982-11-04 Battenfeld Maschinenfabriken Gmbh, 5882 Meinerzhagen Verfahren und Vorrichtung zum Spritzgießen von Kunststofformkörpern, die aus einer Füllschicht aus einem thermoplastischen Kunststoff und aus einer diese einschließenden Deckschicht aus einem anderen thermoplastischen Kunststoff bestehen
US3945784A (en) * 1974-01-18 1976-03-23 Imperial Chemical Industries Limited Injection moulding machinery
US4078875A (en) * 1974-10-19 1978-03-14 Schloemann-Siemag Akt. Injection molding

Also Published As

Publication number Publication date
GB1588785A (en) 1981-04-29
IT1092414B (it) 1985-07-12
FR2380122B1 (en, 2012) 1983-05-27
FR2380122A1 (fr) 1978-09-08
DE2705291A1 (de) 1978-08-10
IT7819966A0 (it) 1978-02-03
US4210616A (en) 1980-07-01
BR7800712A (pt) 1978-10-03

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: B29C 45/16

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee