BE803808A - Procede pour le moulage par extrusion de polymeres - Google Patents

Procede pour le moulage par extrusion de polymeres

Info

Publication number
BE803808A
BE803808A BE2052996A BE2052996A BE803808A BE 803808 A BE803808 A BE 803808A BE 2052996 A BE2052996 A BE 2052996A BE 2052996 A BE2052996 A BE 2052996A BE 803808 A BE803808 A BE 803808A
Authority
BE
Belgium
Prior art keywords
polymers
extrusion molding
extrusion
molding
Prior art date
Application number
BE2052996A
Other languages
English (en)
French (fr)
Inventor
G D Kostov
S G Choleva
Original Assignee
Tzentralna Lab Stex
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 Tzentralna Lab Stex filed Critical Tzentralna Lab Stex
Publication of BE803808A publication Critical patent/BE803808A/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
    • 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
    • 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
    • B29C45/1703—Introducing an auxiliary fluid into the mould
    • B29C45/174—Applying a pressurised fluid to the outer surface of the injected material inside the mould cavity, e.g. for preventing shrinkage marks

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
BE2052996A 1972-09-22 1973-08-21 Procede pour le moulage par extrusion de polymeres BE803808A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG2144772A BG17372A1 (OSRAM) 1972-09-22 1972-09-22

Publications (1)

Publication Number Publication Date
BE803808A true BE803808A (fr) 1973-12-17

Family

ID=3898839

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2052996A BE803808A (fr) 1972-09-22 1973-08-21 Procede pour le moulage par extrusion de polymeres

Country Status (10)

Country Link
JP (1) JPS5839658B2 (OSRAM)
AT (1) AT351747B (OSRAM)
BE (1) BE803808A (OSRAM)
BG (1) BG17372A1 (OSRAM)
CH (1) CH557229A (OSRAM)
DE (1) DE2343604A1 (OSRAM)
FR (1) FR2200103B1 (OSRAM)
GB (1) GB1447683A (OSRAM)
IT (1) IT994136B (OSRAM)
NL (1) NL7311172A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4810444A (en) * 1987-06-08 1989-03-07 The Dow Chemical Company Method for making mat-molded rim parts

Also Published As

Publication number Publication date
JPS5839658B2 (ja) 1983-08-31
ATA717673A (de) 1979-01-15
BG17372A1 (OSRAM) 1973-11-10
FR2200103B1 (OSRAM) 1976-05-07
DE2343604A1 (de) 1974-03-28
IT994136B (it) 1975-10-20
NL7311172A (OSRAM) 1974-03-26
FR2200103A1 (OSRAM) 1974-04-19
JPS49101486A (OSRAM) 1974-09-25
GB1447683A (en) 1976-08-25
CH557229A (de) 1974-12-31
AT351747B (de) 1979-08-10

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