IT983906B - Metodo ed apparecchio per lo stampaggio ad iniezione - Google Patents

Metodo ed apparecchio per lo stampaggio ad iniezione

Info

Publication number
IT983906B
IT983906B IT2304973A IT2304973A IT983906B IT 983906 B IT983906 B IT 983906B IT 2304973 A IT2304973 A IT 2304973A IT 2304973 A IT2304973 A IT 2304973A IT 983906 B IT983906 B IT 983906B
Authority
IT
Italy
Prior art keywords
injection molding
molding
injection
Prior art date
Application number
IT2304973A
Other languages
English (en)
Italian (it)
Original Assignee
Usm Corp
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 Usm Corp filed Critical Usm Corp
Application granted granted Critical
Publication of IT983906B publication Critical patent/IT983906B/it

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
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
IT2304973A 1972-04-17 1973-04-16 Metodo ed apparecchio per lo stampaggio ad iniezione IT983906B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1754572 1972-04-17

Publications (1)

Publication Number Publication Date
IT983906B true IT983906B (it) 1974-11-11

Family

ID=10097063

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2304973A IT983906B (it) 1972-04-17 1973-04-16 Metodo ed apparecchio per lo stampaggio ad iniezione

Country Status (3)

Country Link
DE (1) DE2319543A1 (OSRAM)
FR (1) FR2180831B3 (OSRAM)
IT (1) IT983906B (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2557622A1 (fr) 2004-03-01 2005-09-15 Aisapack Holding S.A. Dose multicouche ayant une surface concave

Also Published As

Publication number Publication date
DE2319543A1 (de) 1973-10-31
FR2180831A1 (OSRAM) 1973-11-30
FR2180831B3 (OSRAM) 1976-04-02

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