CH556733A - PROCESS AND EQUIPMENT FOR THE MANUFACTURE OF MOLDED PARTS WITH CLOSED SKIN AND CELLULAR CORE FROM THERMOPLASTIC - Google Patents

PROCESS AND EQUIPMENT FOR THE MANUFACTURE OF MOLDED PARTS WITH CLOSED SKIN AND CELLULAR CORE FROM THERMOPLASTIC

Info

Publication number
CH556733A
CH556733A CH1348073A CH1348073A CH556733A CH 556733 A CH556733 A CH 556733A CH 1348073 A CH1348073 A CH 1348073A CH 1348073 A CH1348073 A CH 1348073A CH 556733 A CH556733 A CH 556733A
Authority
CH
Switzerland
Prior art keywords
thermoplastic
manufacture
equipment
molded parts
cellular core
Prior art date
Application number
CH1348073A
Other languages
German (de)
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 CH556733A publication Critical patent/CH556733A/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
CH1348073A 1972-09-25 1973-09-19 PROCESS AND EQUIPMENT FOR THE MANUFACTURE OF MOLDED PARTS WITH CLOSED SKIN AND CELLULAR CORE FROM THERMOPLASTIC CH556733A (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
CH556733A true CH556733A (en) 1974-12-13

Family

ID=3898843

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1348073A CH556733A (en) 1972-09-25 1973-09-19 PROCESS AND EQUIPMENT FOR THE MANUFACTURE OF MOLDED PARTS WITH CLOSED SKIN AND CELLULAR CORE FROM THERMOPLASTIC

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
JPS5729253B2 (en) 1982-06-22
NO139039C (en) 1978-12-27
AT349743B (en) 1979-04-25
FR2200099B1 (en) 1977-03-11
GB1442766A (en) 1976-07-14
CA1028460A (en) 1978-03-28
DE2348006A1 (en) 1974-04-18
SU574160A3 (en) 1977-09-25
IN141881B (en) 1977-04-30
DK134472B (en) 1976-11-15
NL7313216A (en) 1974-03-27
JPS49101493A (en) 1974-09-25
AU6052973A (en) 1975-03-20
BG18242A1 (en) 1974-10-25
DD112730A5 (en) 1975-05-05
SU579877A3 (en) 1977-11-05
DE2348006C2 (en) 1982-10-21
NO139039B (en) 1978-09-18
AU476239B2 (en) 1976-09-16
CS181254B2 (en) 1978-03-31
DK134472C (en) 1977-04-18
IT994804B (en) 1975-10-20
ATA819673A (en) 1978-09-15
SE380471B (en) 1975-11-10
NL181856C (en) 1987-11-16
FR2200099A1 (en) 1974-04-19
NL181856B (en) 1987-06-16
BE805194A (en) 1974-01-16

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Legal Events

Date Code Title Description
PL Patent ceased