JPS4864143A - - Google Patents

Info

Publication number
JPS4864143A
JPS4864143A JP11973872A JP11973872A JPS4864143A JP S4864143 A JPS4864143 A JP S4864143A JP 11973872 A JP11973872 A JP 11973872A JP 11973872 A JP11973872 A JP 11973872A JP S4864143 A JPS4864143 A JP S4864143A
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.)
Pending
Application number
JP11973872A
Other languages
Japanese (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 JPS4864143A publication Critical patent/JPS4864143A/ja
Pending 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
    • B29C44/0461—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 by having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other
    • 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)
JP11973872A 1971-11-29 1972-11-29 Pending JPS4864143A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712159089 DE2159089A1 (en) 1971-11-29 1971-11-29 PROCESS FOR PRODUCING MOLDED PARTS FROM MULTIPLE PLASTICS ON INJECTION MOLDING MACHINES

Publications (1)

Publication Number Publication Date
JPS4864143A true JPS4864143A (en) 1973-09-05

Family

ID=5826453

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11973872A Pending JPS4864143A (en) 1971-11-29 1972-11-29

Country Status (9)

Country Link
JP (1) JPS4864143A (en)
AT (1) AT325843B (en)
BR (1) BR7208215D0 (en)
CH (1) CH538929A (en)
DE (1) DE2159089A1 (en)
FR (1) FR2162014B1 (en)
GB (1) GB1418034A (en)
IT (1) IT972265B (en)
NL (1) NL7216169A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3735099A1 (en) * 1987-10-16 1989-04-27 Battenfeld Gmbh METHOD AND DEVICE FOR PRODUCING MULTILAYER MOLDED PARTS

Also Published As

Publication number Publication date
CH538929A (en) 1973-07-15
NL7216169A (en) 1973-06-01
DE2159089A1 (en) 1973-05-30
BR7208215D0 (en) 1973-08-30
GB1418034A (en) 1975-12-17
IT972265B (en) 1974-05-20
FR2162014A1 (en) 1973-07-13
FR2162014B1 (en) 1975-05-30
AT325843B (en) 1975-11-10
ATA965472A (en) 1975-01-15

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