DE2620084A1 - Verfahren zur formung der oberflaeche von aus fluessigkeitsgemischen in einem schritt frei verschaeumten polymeren - Google Patents

Verfahren zur formung der oberflaeche von aus fluessigkeitsgemischen in einem schritt frei verschaeumten polymeren

Info

Publication number
DE2620084A1
DE2620084A1 DE19762620084 DE2620084A DE2620084A1 DE 2620084 A1 DE2620084 A1 DE 2620084A1 DE 19762620084 DE19762620084 DE 19762620084 DE 2620084 A DE2620084 A DE 2620084A DE 2620084 A1 DE2620084 A1 DE 2620084A1
Authority
DE
Germany
Prior art keywords
caused
foaming
shaping
wall
over
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.)
Pending
Application number
DE19762620084
Other languages
German (de)
English (en)
Inventor
Otto Dipl Ing Bekefi
Laszlo Kaczmarik
Karoly Dipl Ing Dr Kadar
Lajos Dipl Ing Lako
Zoltan Dipl Ing Salamon
Sandor Toth
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.)
Eszakmagyarorszagi Vegyimuevek
Original Assignee
Eszakmagyarorszagi Vegyimuevek
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 Eszakmagyarorszagi Vegyimuevek filed Critical Eszakmagyarorszagi Vegyimuevek
Publication of DE2620084A1 publication Critical patent/DE2620084A1/de
Pending 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
    • B29C44/34—Auxiliary operations
    • B29C44/58—Moulds
    • B29C44/588—Moulds with means for venting, e.g. releasing foaming gas
    • 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
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/467—Foam spreading or levelling devices
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/006—Degassing moulding material or draining off gas during moulding

Landscapes

  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Molding Of Porous Articles (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
DE19762620084 1975-05-29 1976-05-06 Verfahren zur formung der oberflaeche von aus fluessigkeitsgemischen in einem schritt frei verschaeumten polymeren Pending DE2620084A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUEA147A HU170123B (it) 1975-05-29 1975-05-29

Publications (1)

Publication Number Publication Date
DE2620084A1 true DE2620084A1 (de) 1976-12-02

Family

ID=10995098

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762620084 Pending DE2620084A1 (de) 1975-05-29 1976-05-06 Verfahren zur formung der oberflaeche von aus fluessigkeitsgemischen in einem schritt frei verschaeumten polymeren

Country Status (21)

Country Link
JP (1) JPS5211268A (it)
AU (1) AU500938B2 (it)
BE (1) BE842140A (it)
BR (1) BR7603100A (it)
CH (1) CH595971A5 (it)
DE (1) DE2620084A1 (it)
DK (1) DK235176A (it)
ES (1) ES448306A1 (it)
FI (1) FI761394A (it)
FR (1) FR2312357A1 (it)
GR (1) GR59908B (it)
HU (1) HU170123B (it)
IT (1) IT1061717B (it)
LU (1) LU74965A1 (it)
NL (1) NL7605218A (it)
NO (1) NO761822L (it)
PL (1) PL101732B1 (it)
PT (1) PT65131B (it)
RO (1) RO83528A (it)
SE (1) SE7605407L (it)
SU (1) SU668615A3 (it)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE625615A (it) * 1961-12-05
US3240846A (en) * 1962-08-06 1966-03-15 Allied Chem Method and apparatus for preparing polyurethane foam sandwich structure
BE718157A (it) * 1967-07-18 1968-12-31
BE777216A (fr) * 1971-01-12 1972-01-14 Continental Gummi Werke Ag Procede et dispositif de fabrication de blocs en matiere moussea surface plane dans des moules ouverts

Also Published As

Publication number Publication date
HU170123B (it) 1977-04-28
BE842140A (fr) 1976-09-16
ES448306A1 (es) 1977-11-01
FR2312357A1 (fr) 1976-12-24
BR7603100A (pt) 1977-02-15
LU74965A1 (it) 1977-01-18
CH595971A5 (it) 1978-02-28
JPS5428193B2 (it) 1979-09-14
PT65131A (en) 1976-06-01
DK235176A (da) 1976-11-30
RO83528B (ro) 1984-10-30
AU1385976A (en) 1977-11-24
IT1061717B (it) 1983-04-30
JPS5211268A (en) 1977-01-28
PL101732B1 (pl) 1979-01-31
SE7605407L (sv) 1976-11-30
RO83528A (ro) 1985-10-31
FI761394A (it) 1976-11-30
GR59908B (en) 1978-03-16
SU668615A3 (ru) 1979-06-15
NL7605218A (nl) 1976-12-01
PT65131B (en) 1977-10-11
AU500938B2 (en) 1979-06-07
NO761822L (it) 1976-11-30

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