JPS4836255A - - Google Patents

Info

Publication number
JPS4836255A
JPS4836255A JP47089174A JP8917472A JPS4836255A JP S4836255 A JPS4836255 A JP S4836255A JP 47089174 A JP47089174 A JP 47089174A JP 8917472 A JP8917472 A JP 8917472A JP S4836255 A JPS4836255 A JP S4836255A
Authority
JP
Japan
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.)
Granted
Application number
JP47089174A
Other versions
JPS5211336B2 (ja
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 filed Critical
Publication of JPS4836255A publication Critical patent/JPS4836255A/ja
Publication of JPS5211336B2 publication Critical patent/JPS5211336B2/ja
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
    • B29C45/1642—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
    • 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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • B29C2045/1653—Making multilayered or multicoloured articles having a "sandwich" structure using a core injection nozzle penetrating through the skin or into the mould cavity
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP47089174A 1971-09-07 1972-09-07 Expired JPS5211336B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1306971A CH528359A (de) 1971-09-07 1971-09-07 Verfahren und Vorrichtung zum Spritzgiessen von Kunststoffteilen

Publications (2)

Publication Number Publication Date
JPS4836255A true JPS4836255A (ja) 1973-05-28
JPS5211336B2 JPS5211336B2 (ja) 1977-03-30

Family

ID=4389009

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47089174A Expired JPS5211336B2 (ja) 1971-09-07 1972-09-07

Country Status (6)

Country Link
JP (1) JPS5211336B2 (ja)
BR (1) BR7206126D0 (ja)
CH (1) CH528359A (ja)
FR (1) FR2152743B1 (ja)
GB (2) GB1399279A (ja)
IT (1) IT967172B (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5314759A (en) * 1976-07-27 1978-02-09 Asahi Dow Ltd Method and device for injection molding multiilayer molded article
JPS61173924A (ja) * 1985-01-30 1986-08-05 東洋製罐株式会社 延伸多層プラスチック容器の製法

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2442136C3 (de) 1973-09-19 1979-03-01 Societa Internazionale Per Lo Sfruttamento Di Brevetti S.A., Panama Verfahren zur Herstellung von Kunststofformkörpern aus Hautmaterial und Kernmaterial
CH570867A5 (ja) * 1973-09-19 1975-12-31 Lo Sfruttamento Di Brevetti Sa
DE2462659C3 (de) * 1973-09-19 1982-05-27 Societa Internazionale Per Lo Sfruttamento Di Brevetti S.A., Panama Verfahren zum spritzgiessen von kunststofformkoerpern
FR2257404B1 (ja) * 1973-09-21 1976-05-14 Billion Sa
DE2705291A1 (de) * 1977-02-09 1978-08-10 Schloemann Siemag Ag Verfahren und vorrichtung zur herstellung von formteilen aus thermoplastischem kunststoff
US4457511A (en) * 1982-03-15 1984-07-03 William Witkowski Plastic bowling pin and method of making the same
US4842795A (en) * 1987-07-27 1989-06-27 Internal Business Machines Corporation Method of making coinjection molded daisywheel printhead
DE3932047A1 (de) * 1989-09-26 1991-04-11 Kloeckner Ferromatik Desma Verfahren und vorrichtung zum herstellen von behaeltern fuer lebensmittel u. dgl.
DE19747573C5 (de) * 1996-10-29 2007-10-18 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.), Kobe Spritzeinheitsverbindungsvorrichtung für eine Mehrschichtspritzformmaschine
FR2763014B1 (fr) * 1997-05-07 2000-07-13 Allibert Ind Procede et dispositif de moulage par injection bi-matiere selective d'une piece en matieres plastiques, et piece realisee avec ce procede

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5314759A (en) * 1976-07-27 1978-02-09 Asahi Dow Ltd Method and device for injection molding multiilayer molded article
JPS6139174B2 (ja) * 1976-07-27 1986-09-02 Asahi Chemical Ind
JPS61173924A (ja) * 1985-01-30 1986-08-05 東洋製罐株式会社 延伸多層プラスチック容器の製法
JPS6367469B2 (ja) * 1985-01-30 1988-12-26 Toyo Seikan Kaisha Ltd

Also Published As

Publication number Publication date
IT967172B (it) 1974-02-28
GB1399279A (en) 1975-07-02
GB1399280A (en) 1975-07-02
CH528359A (de) 1972-09-30
BR7206126D0 (pt) 1973-09-13
JPS5211336B2 (ja) 1977-03-30
FR2152743A1 (ja) 1973-04-27
FR2152743B1 (ja) 1975-03-07

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