AT338504B - METHOD AND INJECTION MOLD FOR INJECTION MOLDING FROM POLYMER - Google Patents

METHOD AND INJECTION MOLD FOR INJECTION MOLDING FROM POLYMER

Info

Publication number
AT338504B
AT338504B AT893972A AT893972A AT338504B AT 338504 B AT338504 B AT 338504B AT 893972 A AT893972 A AT 893972A AT 893972 A AT893972 A AT 893972A AT 338504 B AT338504 B AT 338504B
Authority
AT
Austria
Prior art keywords
polymer
injection
injection molding
injection mold
mold
Prior art date
Application number
AT893972A
Other languages
German (de)
Other versions
ATA893972A (en
Inventor
Georgi Dimitrov Dipl In Kostov
Sofia Georgieva Dipl Tscholeva
Original Assignee
Ts 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 Ts Lab Stex filed Critical Ts Lab Stex
Publication of ATA893972A publication Critical patent/ATA893972A/en
Application granted granted Critical
Publication of AT338504B publication Critical patent/AT338504B/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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/10—Applying counter-pressure during expanding
    • B29C44/105—Applying counter-pressure during expanding the counterpressure being exerted by a fluid
    • 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
    • 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
AT893972A 1971-10-23 1972-10-19 METHOD AND INJECTION MOLD FOR INJECTION MOLDING FROM POLYMER AT338504B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG1884971 1971-10-23

Publications (2)

Publication Number Publication Date
ATA893972A ATA893972A (en) 1976-12-15
AT338504B true AT338504B (en) 1977-08-25

Family

ID=3898153

Family Applications (1)

Application Number Title Priority Date Filing Date
AT893972A AT338504B (en) 1971-10-23 1972-10-19 METHOD AND INJECTION MOLD FOR INJECTION MOLDING FROM POLYMER

Country Status (8)

Country Link
JP (1) JPS4851057A (en)
AT (1) AT338504B (en)
BE (1) BE786969A (en)
DE (1) DE2235994A1 (en)
FR (1) FR2156558B1 (en)
GB (1) GB1372959A (en)
IT (1) IT965932B (en)
NL (1) NL7214227A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH616106A5 (en) * 1976-09-17 1980-03-14 Buehler Ag Geb Process and device for producing plastic mouldings with a smooth, compact surface and a cellular-porous core by injection moulding
FR2645068A1 (en) * 1989-04-03 1990-10-05 Vanotti Gerard PROCESS FOR MANUFACTURING THERMOPLASTIC MATERIALS WITH THIN WALLS AND INSTALLATION FOR IMPLEMENTING THE PROCESS
GB9114324D0 (en) * 1991-07-03 1991-08-21 Kontor Moulding Systems Ltd Injection moulding of thermoplastic polymers
US5602188A (en) * 1993-07-13 1997-02-11 Suzuki Sogyo Co., Ltd. Biodegradable resin foam and method and apparatus for producing same
DE19743838C2 (en) 1997-10-04 2000-08-24 Battenfeld Gmbh Device for injection molding plastic objects
EP3883739A1 (en) * 2018-11-21 2021-09-29 NIKE Innovate C.V. System and methods for a foaming process
US11673358B2 (en) 2018-11-21 2023-06-13 Nike, Inc. System and methods for forming a sole structure

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3044118A (en) * 1958-06-23 1962-07-17 Du Pont Molding method and apparatus

Also Published As

Publication number Publication date
BE786969A (en) 1972-11-16
DE2235994A1 (en) 1973-05-03
GB1372959A (en) 1974-11-06
IT965932B (en) 1974-02-11
FR2156558A1 (en) 1973-06-01
FR2156558B1 (en) 1975-03-07
NL7214227A (en) 1973-04-25
ATA893972A (en) 1976-12-15
JPS4851057A (en) 1973-07-18

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Legal Events

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ELJ Ceased due to non-payment of the annual fee