AU500938B2 - Blowing top of free-rising polymer foam into shape - Google Patents

Blowing top of free-rising polymer foam into shape

Info

Publication number
AU500938B2
AU500938B2 AU13859/76A AU1385976A AU500938B2 AU 500938 B2 AU500938 B2 AU 500938B2 AU 13859/76 A AU13859/76 A AU 13859/76A AU 1385976 A AU1385976 A AU 1385976A AU 500938 B2 AU500938 B2 AU 500938B2
Authority
AU
Australia
Prior art keywords
free
shape
polymer foam
blowing top
rising
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
AU13859/76A
Other versions
AU1385976A (en
Inventor
O Bekefi
K Kadar
L Kacsmarik
L Lako
Z Salamon
S 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 AU1385976A publication Critical patent/AU1385976A/en
Application granted granted Critical
Publication of AU500938B2 publication Critical patent/AU500938B2/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
    • B29C44/34—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
AU13859/76A 1975-05-29 1976-05-12 Blowing top of free-rising polymer foam into shape Expired AU500938B2 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
AU1385976A AU1385976A (en) 1977-11-24
AU500938B2 true AU500938B2 (en) 1979-06-07

Family

ID=10995098

Family Applications (1)

Application Number Title Priority Date Filing Date
AU13859/76A Expired AU500938B2 (en) 1975-05-29 1976-05-12 Blowing top of free-rising polymer foam into shape

Country Status (21)

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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL286346A (en) * 1961-12-05
US3240846A (en) * 1962-08-06 1966-03-15 Allied Chem Method and apparatus for preparing polyurethane foam sandwich structure
BE718157A (en) * 1967-07-18 1968-12-31
BE777216A (en) * 1971-01-12 1972-01-14 Continental Gummi Werke Ag METHOD AND DEVICE FOR MANUFACTURING BLOCKS FROM FLAT SURFACE MOUSSEA MATERIAL IN OPEN MOLDS

Also Published As

Publication number Publication date
FI761394A (en) 1976-11-30
RO83528B (en) 1984-10-30
PL101732B1 (en) 1979-01-31
DE2620084A1 (en) 1976-12-02
FR2312357A1 (en) 1976-12-24
BE842140A (en) 1976-09-16
DK235176A (en) 1976-11-30
JPS5211268A (en) 1977-01-28
JPS5428193B2 (en) 1979-09-14
LU74965A1 (en) 1977-01-18
BR7603100A (en) 1977-02-15
PT65131A (en) 1976-06-01
NL7605218A (en) 1976-12-01
HU170123B (en) 1977-04-28
RO83528A (en) 1985-10-31
AU1385976A (en) 1977-11-24
IT1061717B (en) 1983-04-30
NO761822L (en) 1976-11-30
GR59908B (en) 1978-03-16
SE7605407L (en) 1976-11-30
SU668615A3 (en) 1979-06-15
CH595971A5 (en) 1978-02-28
PT65131B (en) 1977-10-11
ES448306A1 (en) 1977-11-01

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