CS181254B2 - Method of production of form units from thermoplasts containing blowing agent by die casting with closed crust and foamy core and equipment for carrying out this method - Google Patents

Method of production of form units from thermoplasts containing blowing agent by die casting with closed crust and foamy core and equipment for carrying out this method

Info

Publication number
CS181254B2
CS181254B2 CS7300006588A CS658873A CS181254B2 CS 181254 B2 CS181254 B2 CS 181254B2 CS 7300006588 A CS7300006588 A CS 7300006588A CS 658873 A CS658873 A CS 658873A CS 181254 B2 CS181254 B2 CS 181254B2
Authority
CS
Czechoslovakia
Prior art keywords
thermoplasts
carrying
production
equipment
blowing agent
Prior art date
Application number
CS7300006588A
Other languages
Czech (cs)
Inventor
Angel T Balevski
Ivan D Nikolov
Asparuch M Antonov
Stefan G Semerdziev
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 CS181254B2 publication Critical patent/CS181254B2/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
CS7300006588A 1972-09-25 1973-09-25 Method of production of form units from thermoplasts containing blowing agent by die casting with closed crust and foamy core and equipment for carrying out this method CS181254B2 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CS181254B2 true CS181254B2 (en) 1978-03-31

Family

ID=3898843

Family Applications (1)

Application Number Title Priority Date Filing Date
CS7300006588A CS181254B2 (en) 1972-09-25 1973-09-25 Method of production of form units from thermoplasts containing blowing agent by die casting with closed crust and foamy core and equipment for carrying out this 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
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
DK134472B (en) 1976-11-15
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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