CH557229A - METHOD OF INJECTION MOLDING OF POLYMERS. - Google Patents

METHOD OF INJECTION MOLDING OF POLYMERS.

Info

Publication number
CH557229A
CH557229A CH1128273A CH1128273A CH557229A CH 557229 A CH557229 A CH 557229A CH 1128273 A CH1128273 A CH 1128273A CH 1128273 A CH1128273 A CH 1128273A CH 557229 A CH557229 A CH 557229A
Authority
CH
Switzerland
Prior art keywords
polymers
injection molding
molding
injection
Prior art date
Application number
CH1128273A
Other languages
German (de)
Original Assignee
Stex Ts Lab
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 Stex Ts Lab filed Critical Stex Ts Lab
Publication of CH557229A publication Critical patent/CH557229A/en

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)
CH1128273A 1972-09-22 1973-08-03 METHOD OF INJECTION MOLDING OF POLYMERS. CH557229A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH557229A true CH557229A (en) 1974-12-31

Family

ID=3898839

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1128273A CH557229A (en) 1972-09-22 1973-08-03 METHOD OF INJECTION MOLDING OF POLYMERS.

Country Status (10)

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

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 (en) 1983-08-31
ATA717673A (en) 1979-01-15
BE803808A (en) 1973-12-17
BG17372A1 (en) 1973-11-10
FR2200103B1 (en) 1976-05-07
DE2343604A1 (en) 1974-03-28
IT994136B (en) 1975-10-20
NL7311172A (en) 1974-03-26
FR2200103A1 (en) 1974-04-19
JPS49101486A (en) 1974-09-25
GB1447683A (en) 1976-08-25
AT351747B (en) 1979-08-10

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Legal Events

Date Code Title Description
PL Patent ceased