DK134472B - Method of injection molding thermoplastic foam articles and apparatus for performing the method. - Google Patents

Method of injection molding thermoplastic foam articles and apparatus for performing the method.

Info

Publication number
DK134472B
DK134472B DK520773AA DK520773A DK134472B DK 134472 B DK134472 B DK 134472B DK 520773A A DK520773A A DK 520773AA DK 520773 A DK520773 A DK 520773A DK 134472 B DK134472 B DK 134472B
Authority
DK
Denmark
Prior art keywords
injection molding
thermoplastic foam
foam articles
molding thermoplastic
articles
Prior art date
Application number
DK520773AA
Other languages
Danish (da)
Other versions
DK134472C (en
Inventor
Angel Tontschev Balevski
Ivan Dimov Nikolov
Asparuch Michajlov Antonov
Stefan Georgiev Semerdjiev
Original Assignee
Inst Po Metalloznanie I Tekno
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 Inst Po Metalloznanie I Tekno filed Critical Inst Po Metalloznanie I Tekno
Publication of DK134472B publication Critical patent/DK134472B/en
Application granted granted Critical
Publication of DK134472C publication Critical patent/DK134472C/da

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
DK520773AA 1972-09-25 1973-09-24 Method of injection molding thermoplastic foam articles and apparatus for performing the method. DK134472B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG21471A BG18242A1 (en) 1972-09-25 1972-09-25

Publications (2)

Publication Number Publication Date
DK134472B true DK134472B (en) 1976-11-15
DK134472C DK134472C (en) 1977-04-18

Family

ID=3898843

Family Applications (1)

Application Number Title Priority Date Filing Date
DK520773AA DK134472B (en) 1972-09-25 1973-09-24 Method of injection molding thermoplastic foam articles and apparatus for performing the method.

Country Status (19)

Country Link
JP (1) JPS5729253B2 (en)
AT (1) AT349743B (en)
AU (1) AU476239B2 (en)
BE (1) BE805194A (en)
BG (1) BG18242A1 (en)
CA (1) CA1028460A (en)
CH (1) CH556733A (en)
CS (1) CS181254B2 (en)
DD (1) DD112730A5 (en)
DE (1) DE2348006C2 (en)
DK (1) DK134472B (en)
FR (1) FR2200099B1 (en)
GB (1) GB1442766A (en)
IN (1) IN141881B (en)
IT (1) IT994804B (en)
NL (1) NL181856C (en)
NO (1) NO139039C (en)
SE (1) SE380471B (en)
SU (2) SU574160A3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE422544B (en) * 1979-10-02 1982-03-15 Fjellman Press Ab MACHINE FOR FORMING AND STRUCTURING PLASTIC MATERIALS AVAILABLE IN PACKAGING FORM
DE3014072A1 (en) * 1980-04-11 1981-10-15 Institut po Metaloznanie i Technologia na Metalite, Sofija Injection moulding distributor for mouldings with foam core - has slide valve to make connections between plasticiser storage cylinder and mould (AT 15.8.81)
JPS59120429A (en) * 1982-12-28 1984-07-12 Eng Plast Kk Molding method of molded foam article

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3211605A (en) * 1963-01-14 1965-10-12 Grace W R & Co Foamed product and process
US3384691A (en) * 1965-09-10 1968-05-21 Allied Chem Method for molding a structure having a foamed plastic core substantially enclosed within an essentially unfoamed plastic layer
DE1704545A1 (en) * 1967-08-12 1971-05-19 Huels Chemische Werke Ag Production of foamed injection molded parts
GB1213869A (en) * 1967-10-31 1970-11-25 Allied Chem Method of and apparatus for moulding articles

Also Published As

Publication number Publication date
DE2348006A1 (en) 1974-04-18
CS181254B2 (en) 1978-03-31
NL7313216A (en) 1974-03-27
SU574160A3 (en) 1977-09-25
DD112730A5 (en) 1975-05-05
SE380471B (en) 1975-11-10
NO139039C (en) 1978-12-27
ATA819673A (en) 1978-09-15
JPS49101493A (en) 1974-09-25
BE805194A (en) 1974-01-16
NL181856B (en) 1987-06-16
DE2348006C2 (en) 1982-10-21
NO139039B (en) 1978-09-18
AU6052973A (en) 1975-03-20
BG18242A1 (en) 1974-10-25
SU579877A3 (en) 1977-11-05
AU476239B2 (en) 1976-09-16
GB1442766A (en) 1976-07-14
NL181856C (en) 1987-11-16
IT994804B (en) 1975-10-20
CA1028460A (en) 1978-03-28
JPS5729253B2 (en) 1982-06-22
IN141881B (en) 1977-04-30
DK134472C (en) 1977-04-18
AT349743B (en) 1979-04-25
CH556733A (en) 1974-12-13
FR2200099B1 (en) 1977-03-11
FR2200099A1 (en) 1974-04-19

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