FR1367935A - Process for the production of articles of thermoplastic materials of several colors or of various fluidities, and press for the application of said process - Google Patents

Process for the production of articles of thermoplastic materials of several colors or of various fluidities, and press for the application of said process

Info

Publication number
FR1367935A
FR1367935A FR946049A FR946049A FR1367935A FR 1367935 A FR1367935 A FR 1367935A FR 946049 A FR946049 A FR 946049A FR 946049 A FR946049 A FR 946049A FR 1367935 A FR1367935 A FR 1367935A
Authority
FR
France
Prior art keywords
articles
press
production
application
thermoplastic materials
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
FR946049A
Other languages
French (fr)
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.)
oHG Negri Bossi & C SpA
Original Assignee
oHG Negri Bossi & C SpA
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 oHG Negri Bossi & C SpA filed Critical oHG Negri Bossi & C SpA
Priority to FR946049A priority Critical patent/FR1367935A/en
Application granted granted Critical
Publication of FR1367935A publication Critical patent/FR1367935A/en
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
    • 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
    • B29C45/1634—Making multilayered or multicoloured articles with a non-uniform dispersion of the moulding material in the article, e.g. resulting in a marble effect
    • 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
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/53—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
FR946049A 1963-08-29 1963-08-29 Process for the production of articles of thermoplastic materials of several colors or of various fluidities, and press for the application of said process Expired FR1367935A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR946049A FR1367935A (en) 1963-08-29 1963-08-29 Process for the production of articles of thermoplastic materials of several colors or of various fluidities, and press for the application of said process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR946049A FR1367935A (en) 1963-08-29 1963-08-29 Process for the production of articles of thermoplastic materials of several colors or of various fluidities, and press for the application of said process

Publications (1)

Publication Number Publication Date
FR1367935A true FR1367935A (en) 1964-07-24

Family

ID=8811416

Family Applications (1)

Application Number Title Priority Date Filing Date
FR946049A Expired FR1367935A (en) 1963-08-29 1963-08-29 Process for the production of articles of thermoplastic materials of several colors or of various fluidities, and press for the application of said process

Country Status (1)

Country Link
FR (1) FR1367935A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0254366A1 (en) * 1986-07-21 1988-01-27 Stamicarbon B.V. Process and device for injection moulding an object consisting of a number of layers of different materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0254366A1 (en) * 1986-07-21 1988-01-27 Stamicarbon B.V. Process and device for injection moulding an object consisting of a number of layers of different materials

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