BE842140A - Procede de faconnage de surfaces de polymeres - Google Patents

Procede de faconnage de surfaces de polymeres

Info

Publication number
BE842140A
BE842140A BE167266A BE167266A BE842140A BE 842140 A BE842140 A BE 842140A BE 167266 A BE167266 A BE 167266A BE 167266 A BE167266 A BE 167266A BE 842140 A BE842140 A BE 842140A
Authority
BE
Belgium
Prior art keywords
polymer surfaces
shaping polymer
shaping
polymer
Prior art date
Application number
BE167266A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE842140A publication Critical patent/BE842140A/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/58Moulds
    • B29C44/588Moulds with means for venting, e.g. releasing foaming gas
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/36Feeding the material to be shaped
    • B29C44/46Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/467Foam spreading or levelling devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/10Moulds or cores; Details thereof or accessories therefor with incorporated venting means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/006Degassing moulding material or draining off gas during moulding
BE167266A 1975-05-29 1976-05-24 Procede de faconnage de surfaces de polymeres BE842140A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE842140A true BE842140A (fr) 1976-09-16

Family

ID=10995098

Family Applications (1)

Application Number Title Priority Date Filing Date
BE167266A BE842140A (fr) 1975-05-29 1976-05-24 Procede de faconnage de surfaces de polymeres

Country Status (21)

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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL286346A (is) * 1961-12-05
US3240846A (en) * 1962-08-06 1966-03-15 Allied Chem Method and apparatus for preparing polyurethane foam sandwich structure
BE718157A (is) * 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
FI761394A (is) 1976-11-30
RO83528B (ro) 1984-10-30
PL101732B1 (pl) 1979-01-31
DE2620084A1 (de) 1976-12-02
FR2312357A1 (fr) 1976-12-24
DK235176A (da) 1976-11-30
AU500938B2 (en) 1979-06-07
JPS5211268A (en) 1977-01-28
JPS5428193B2 (is) 1979-09-14
LU74965A1 (is) 1977-01-18
BR7603100A (pt) 1977-02-15
PT65131A (en) 1976-06-01
NL7605218A (nl) 1976-12-01
HU170123B (is) 1977-04-28
RO83528A (ro) 1985-10-31
AU1385976A (en) 1977-11-24
IT1061717B (it) 1983-04-30
NO761822L (is) 1976-11-30
GR59908B (en) 1978-03-16
SE7605407L (sv) 1976-11-30
SU668615A3 (ru) 1979-06-15
CH595971A5 (is) 1978-02-28
PT65131B (en) 1977-10-11
ES448306A1 (es) 1977-11-01

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: ESZAKMAGYARORSZAGI VEGYIMUVEK

Effective date: 19860531