CA1028460A - Method and apparatus for the production of thermoplastic mouldings with a solid skin and a cellular core - Google Patents

Method and apparatus for the production of thermoplastic mouldings with a solid skin and a cellular core

Info

Publication number
CA1028460A
CA1028460A CA181,700A CA181700A CA1028460A CA 1028460 A CA1028460 A CA 1028460A CA 181700 A CA181700 A CA 181700A CA 1028460 A CA1028460 A CA 1028460A
Authority
CA
Canada
Prior art keywords
production
cellular core
solid skin
thermoplastic mouldings
mouldings
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA181,700A
Other languages
French (fr)
Other versions
CA181700S (en
Inventor
Anguel T. Balevski
Ivan D. Nikolov
Asparuh M. Antonov
Stefan G. Semerdjiev
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institute po Metaloznanie i Technologia na Metalite
Original Assignee
Institute po Metaloznanie i Technologia na Metalite
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 Institute po Metaloznanie i Technologia na Metalite filed Critical Institute po Metaloznanie i Technologia na Metalite
Application granted granted Critical
Publication of CA1028460A publication Critical patent/CA1028460A/en
Expired legal-status Critical Current

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
CA181,700A 1972-09-25 1973-09-24 Method and apparatus for the production of thermoplastic mouldings with a solid skin and a cellular core Expired CA1028460A (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
CA1028460A true CA1028460A (en) 1978-03-28

Family

ID=3898843

Family Applications (1)

Application Number Title Priority Date Filing Date
CA181,700A Expired CA1028460A (en) 1972-09-25 1973-09-24 Method and apparatus for the production of thermoplastic mouldings with a solid skin and a cellular core

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 (4)

* 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
GB201911141D0 (en) * 2019-08-05 2019-09-18 Qinetiq Ltd Materials and method

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
CS181254B2 (en) 1978-03-31
AU6052973A (en) 1975-03-20
BG18242A1 (en) 1974-10-25
FR2200099B1 (en) 1977-03-11
NO139039C (en) 1978-12-27
DE2348006A1 (en) 1974-04-18
NL7313216A (en) 1974-03-27
GB1442766A (en) 1976-07-14
BE805194A (en) 1974-01-16
DK134472B (en) 1976-11-15
SU574160A3 (en) 1977-09-25
IN141881B (en) 1977-04-30
ATA819673A (en) 1978-09-15
AU476239B2 (en) 1976-09-16
JPS49101493A (en) 1974-09-25
DK134472C (en) 1977-04-18
JPS5729253B2 (en) 1982-06-22
AT349743B (en) 1979-04-25
FR2200099A1 (en) 1974-04-19
DE2348006C2 (en) 1982-10-21
SU579877A3 (en) 1977-11-05
CH556733A (en) 1974-12-13
NL181856B (en) 1987-06-16
NO139039B (en) 1978-09-18
NL181856C (en) 1987-11-16
IT994804B (en) 1975-10-20
SE380471B (en) 1975-11-10
DD112730A5 (en) 1975-05-05

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