IT994804B - PROCEDURE AND EQUIPMENT TO PRODUCE FROM THERMOPLASTS PRINTED PIECES WITH CLOSED SKIN WITH CELL CORE - Google Patents

PROCEDURE AND EQUIPMENT TO PRODUCE FROM THERMOPLASTS PRINTED PIECES WITH CLOSED SKIN WITH CELL CORE

Info

Publication number
IT994804B
IT994804B IT52675/73A IT5267573A IT994804B IT 994804 B IT994804 B IT 994804B IT 52675/73 A IT52675/73 A IT 52675/73A IT 5267573 A IT5267573 A IT 5267573A IT 994804 B IT994804 B IT 994804B
Authority
IT
Italy
Prior art keywords
thermoplasts
procedure
produce
equipment
cell core
Prior art date
Application number
IT52675/73A
Other languages
Italian (it)
Inventor
A Balevski
I Nikolov
Michajlov Antonov Asparuch
S Semerdjiev
Original Assignee
Inst Metalosnanie I Techno Log
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 Metalosnanie I Techno Log filed Critical Inst Metalosnanie I Techno Log
Application granted granted Critical
Publication of IT994804B publication Critical patent/IT994804B/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
IT52675/73A 1972-09-25 1973-09-20 PROCEDURE AND EQUIPMENT TO PRODUCE FROM THERMOPLASTS PRINTED PIECES WITH CLOSED SKIN WITH CELL CORE IT994804B (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
IT994804B true IT994804B (en) 1975-10-20

Family

ID=3898843

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52675/73A IT994804B (en) 1972-09-25 1973-09-20 PROCEDURE AND EQUIPMENT TO PRODUCE FROM THERMOPLASTS PRINTED PIECES WITH CLOSED SKIN WITH CELL 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 (5)

* 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)
US4315726A (en) 1980-04-30 1982-02-16 Institute Po Metaloznanie I Technologia Na Metalite Distributing device for machines for injection molding of thermoplastic parts with solid skin and cellular core
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
DE2348006A1 (en) 1974-04-18
SU574160A3 (en) 1977-09-25
JPS49101493A (en) 1974-09-25
IN141881B (en) 1977-04-30
AU476239B2 (en) 1976-09-16
ATA819673A (en) 1978-09-15
AU6052973A (en) 1975-03-20
BG18242A1 (en) 1974-10-25
JPS5729253B2 (en) 1982-06-22
CS181254B2 (en) 1978-03-31
DE2348006C2 (en) 1982-10-21
NL7313216A (en) 1974-03-27
NO139039C (en) 1978-12-27
CH556733A (en) 1974-12-13
GB1442766A (en) 1976-07-14
BE805194A (en) 1974-01-16
FR2200099A1 (en) 1974-04-19
NL181856C (en) 1987-11-16
SU579877A3 (en) 1977-11-05
DK134472C (en) 1977-04-18
NL181856B (en) 1987-06-16
DD112730A5 (en) 1975-05-05
SE380471B (en) 1975-11-10
FR2200099B1 (en) 1977-03-11
AT349743B (en) 1979-04-25
NO139039B (en) 1978-09-18
CA1028460A (en) 1978-03-28
DK134472B (en) 1976-11-15

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