PT65131B - Process for the shaping of surfaces of polymers - Google Patents

Process for the shaping of surfaces of polymers

Info

Publication number
PT65131B
PT65131B PT65131A PT6513176A PT65131B PT 65131 B PT65131 B PT 65131B PT 65131 A PT65131 A PT 65131A PT 6513176 A PT6513176 A PT 6513176A PT 65131 B PT65131 B PT 65131B
Authority
PT
Portugal
Prior art keywords
shaping
polymers
Prior art date
Application number
PT65131A
Other languages
English (en)
Portuguese (pt)
Other versions
PT65131A (en
Original Assignee
Eszakmagyar 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 Eszakmagyar Vegyimuevek filed Critical Eszakmagyar Vegyimuevek
Publication of PT65131A publication Critical patent/PT65131A/pt
Publication of PT65131B publication Critical patent/PT65131B/pt

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
PT65131A 1975-05-29 1976-05-24 Process for the shaping of surfaces of polymers PT65131B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
PT65131A PT65131A (en) 1976-06-01
PT65131B true PT65131B (en) 1977-10-11

Family

ID=10995098

Family Applications (1)

Application Number Title Priority Date Filing Date
PT65131A PT65131B (en) 1975-05-29 1976-05-24 Process for the shaping of surfaces of polymers

Country Status (21)

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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL286346A (xx) * 1961-12-05
US3240846A (en) * 1962-08-06 1966-03-15 Allied Chem Method and apparatus for preparing polyurethane foam sandwich structure
BE718157A (xx) * 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
FR2312357A1 (fr) 1976-12-24
PT65131A (en) 1976-06-01
CH595971A5 (xx) 1978-02-28
HU170123B (xx) 1977-04-28
LU74965A1 (xx) 1977-01-18
DE2620084A1 (de) 1976-12-02
RO83528A (ro) 1985-10-31
NL7605218A (nl) 1976-12-01
AU1385976A (en) 1977-11-24
RO83528B (ro) 1984-10-30
NO761822L (xx) 1976-11-30
ES448306A1 (es) 1977-11-01
DK235176A (da) 1976-11-30
GR59908B (en) 1978-03-16
JPS5211268A (en) 1977-01-28
SU668615A3 (ru) 1979-06-15
BE842140A (fr) 1976-09-16
IT1061717B (it) 1983-04-30
SE7605407L (sv) 1976-11-30
JPS5428193B2 (xx) 1979-09-14
FI761394A (xx) 1976-11-30
PL101732B1 (pl) 1979-01-31
AU500938B2 (en) 1979-06-07
BR7603100A (pt) 1977-02-15

Similar Documents

Publication Publication Date Title
ZA762076B (en) Process for the polymerisation of olefines
GB1505208A (en) Process for the production of mouldings
GB1547802A (en) Process for the preparation of poly-phenyleneterephthalamide
YU39479B (en) Process for the manufacture of thieno-pyridine derivatives
GB1542442A (en) Process for the manufacture of nucleosides
GB1517423A (en) Process for the preparation of diaryl-carbonates
ZA763171B (en) Process for the manufacture of suspension polymers of tetrafluoroethylene
GB1547274A (en) Process for the manufacture of pasteforming polymers of vynyl chloride
EG12520A (en) Polymerization process
CH608786A5 (en) Process for the preparation of acetoacetylarylamides
GB1549793A (en) Process for polymerizing alkenes-1
GB1534077A (en) Process for the preparation of 5-acetoacetylamino-benzimidazolone
GB1552718A (en) Process for the production of benzoyl caanide
GB1556422A (en) Process for preparing finely divided polymers
ZA765891B (en) Process for the manufacture of pasteextrudable polymers of tetrafluoroethylene
ZA764582B (en) Process for the manufacture of cyclohexandione-1,3
GB1520681A (en) Process for the production of phoroglucinol
GB1551120A (en) Process for the manufacture of 16-20-keto-steroids
GB1501710A (en) Process for the polymerisation of olefines
IL50249A (en) Process for the continuous manufacture of o-and p-chlorototoluene
GB1548670A (en) Pricess for the production of 2-amino-3-hydroxypyridines
IL50046A (en) Process for the manufacture of 7,8-epoxy-2-methyloctadecane
IL49492A (en) Process for the production of phenolc resins
PT65131A (en) Process for the shaping of surfaces of polymers
PT65821A (en) Process for the preparation of novel d-homosteroids