FR2234981B1 - - Google Patents

Info

Publication number
FR2234981B1
FR2234981B1 FR7422015A FR7422015A FR2234981B1 FR 2234981 B1 FR2234981 B1 FR 2234981B1 FR 7422015 A FR7422015 A FR 7422015A FR 7422015 A FR7422015 A FR 7422015A FR 2234981 B1 FR2234981 B1 FR 2234981B1
Authority
FR
France
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
FR7422015A
Other languages
French (fr)
Other versions
FR2234981A1 (en
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of FR2234981A1 publication Critical patent/FR2234981A1/en
Application granted granted Critical
Publication of FR2234981B1 publication Critical patent/FR2234981B1/fr
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
    • 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
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • B29C45/561—Injection-compression moulding
    • B29C2045/563—Enlarging the mould cavity during injection

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
FR7422015A 1973-06-27 1974-06-25 Moulding with foam core - injected between gradually closing half moulds with closure regulating mechanism Granted FR2234981A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3051373 1973-06-27

Publications (2)

Publication Number Publication Date
FR2234981A1 FR2234981A1 (en) 1975-01-24
FR2234981B1 true FR2234981B1 (en) 1976-12-24

Family

ID=10308859

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7422015A Granted FR2234981A1 (en) 1973-06-27 1974-06-25 Moulding with foam core - injected between gradually closing half moulds with closure regulating mechanism

Country Status (4)

Country Link
JP (1) JPS5038755A (en)
DE (1) DE2429789A1 (en)
FR (1) FR2234981A1 (en)
IT (1) IT1021060B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5234075A (en) * 1975-09-11 1977-03-15 Dainippon Printing Co Ltd Manufacture of netting sheet
US5314737A (en) * 1991-09-30 1994-05-24 Kimberly-Clark Corporation Area thinned thin sheet materials

Also Published As

Publication number Publication date
DE2429789A1 (en) 1975-01-16
JPS5038755A (en) 1975-04-10
FR2234981A1 (en) 1975-01-24
IT1021060B (en) 1978-01-30

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Legal Events

Date Code Title Description
ST Notification of lapse