BE812205A - Perfectionnement au procede et aux machines de moulage par injection - Google Patents

Perfectionnement au procede et aux machines de moulage par injection

Info

Publication number
BE812205A
BE812205A BE141929A BE141929A BE812205A BE 812205 A BE812205 A BE 812205A BE 141929 A BE141929 A BE 141929A BE 141929 A BE141929 A BE 141929A BE 812205 A BE812205 A BE 812205A
Authority
BE
Belgium
Prior art keywords
improvement
injection molding
molding machines
machines
injection
Prior art date
Application number
BE141929A
Other languages
English (en)
French (fr)
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 BE812205A publication Critical patent/BE812205A/xx

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
    • B29C45/1645—Injecting skin and core materials from the same injection cylinder, e.g. mono-sandwich moulding
    • 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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Laminated Bodies (AREA)
BE141929A 1973-03-14 1974-03-12 Perfectionnement au procede et aux machines de moulage par injection BE812205A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7309087A FR2221267A1 (en) 1973-03-14 1973-03-14 Thermoplastic products with skin and core - by separately supplying two compositions to single injection block

Publications (1)

Publication Number Publication Date
BE812205A true BE812205A (fr) 1974-09-12

Family

ID=9116282

Family Applications (1)

Application Number Title Priority Date Filing Date
BE141929A BE812205A (fr) 1973-03-14 1974-03-12 Perfectionnement au procede et aux machines de moulage par injection

Country Status (7)

Country Link
JP (1) JPS5046768A (xx)
BE (1) BE812205A (xx)
DE (1) DE2411808A1 (xx)
FR (1) FR2221267A1 (xx)
IT (1) IT1003796B (xx)
LU (1) LU69623A1 (xx)
NL (1) NL7403291A (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2372016A1 (fr) * 1976-11-29 1978-06-23 Ex Cell O Corp Procede et dispositif de moulage de mousses par injection
FR2486864A1 (fr) * 1980-07-21 1982-01-22 Pont A Mousson Procede de moulage par injection de pieces revetues en matiere plastique et dispositif destine a sa mise en oeuvre
NL8601883A (nl) * 1986-07-21 1988-02-16 Stamicarbon Werkwijze en inrichting voor het door spuitgieten vervaardigen van een uit een aantal lagen van verschillende materialen bestaand voorwerp.
FR2622501B1 (fr) * 1987-10-29 1990-01-05 Cibie Projecteurs Procede de moulage par injection de matiere thermoplastique, composition a mouler pour realiser un objet a structure multicouche et objet ainsi realise, notamment corps de reflecteur
DE3932416A1 (de) * 1989-09-28 1991-04-11 Kloeckner Ferromatik Desma Verfahren zum spritzgiessen von mehrkomponenten-kunststoffkoerpern und vorrichtung zur durchfuehrung des verfahrens
CN110171093B (zh) * 2019-06-20 2021-04-16 滁州益佳模具设备制造有限公司 一种均匀上料混合注射的生产用发泡注塑模具

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1156217A (en) * 1967-05-03 1969-06-25 Ici Ltd Process for the Production of Cellular Articles

Also Published As

Publication number Publication date
IT1003796B (it) 1976-06-10
DE2411808A1 (de) 1974-09-26
JPS5046768A (xx) 1975-04-25
FR2221267B1 (xx) 1976-05-21
FR2221267A1 (en) 1974-10-11
LU69623A1 (xx) 1974-10-09
NL7403291A (xx) 1974-09-17

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