FR2312357A1 - Procede pour faconner la surface de polymeres - Google Patents

Procede pour faconner la surface de polymeres

Info

Publication number
FR2312357A1
FR2312357A1 FR7616068A FR7616068A FR2312357A1 FR 2312357 A1 FR2312357 A1 FR 2312357A1 FR 7616068 A FR7616068 A FR 7616068A FR 7616068 A FR7616068 A FR 7616068A FR 2312357 A1 FR2312357 A1 FR 2312357A1
Authority
FR
France
Prior art keywords
foam
air flow
shaping
polymer surface
mould
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.)
Withdrawn
Application number
FR7616068A
Other languages
English (en)
French (fr)
Inventor
Otto Bekefi
Karoly Kadar
Laszlo Kacsmarik
Lajos Lako
Zoltan 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 FR2312357A1 publication Critical patent/FR2312357A1/fr
Withdrawn legal-status Critical Current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)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Polyurethanes Or Polyureas (AREA)
FR7616068A 1975-05-29 1976-05-26 Procede pour faconner la surface de polymeres Withdrawn FR2312357A1 (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR2312357A1 true FR2312357A1 (fr) 1976-12-24

Family

ID=10995098

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7616068A Withdrawn FR2312357A1 (fr) 1975-05-29 1976-05-26 Procede pour faconner la surface de polymeres

Country Status (21)

Country Link
JP (1) JPS5211268A (OSRAM)
AU (1) AU500938B2 (OSRAM)
BE (1) BE842140A (OSRAM)
BR (1) BR7603100A (OSRAM)
CH (1) CH595971A5 (OSRAM)
DE (1) DE2620084A1 (OSRAM)
DK (1) DK235176A (OSRAM)
ES (1) ES448306A1 (OSRAM)
FI (1) FI761394A7 (OSRAM)
FR (1) FR2312357A1 (OSRAM)
GR (1) GR59908B (OSRAM)
HU (1) HU170123B (OSRAM)
IT (1) IT1061717B (OSRAM)
LU (1) LU74965A1 (OSRAM)
NL (1) NL7605218A (OSRAM)
NO (1) NO761822L (OSRAM)
PL (1) PL101732B1 (OSRAM)
PT (1) PT65131B (OSRAM)
RO (1) RO83528A (OSRAM)
SE (1) SE7605407L (OSRAM)
SU (1) SU668615A3 (OSRAM)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1296791B (de) * 1961-12-05 1969-06-04 Allied Chem Verfahren und Vorrichtung zur Herstellung von beschichteten Bahnen
FR1574989A (OSRAM) * 1967-07-18 1969-07-18
FR2121520A1 (OSRAM) * 1971-01-12 1972-08-25 Continental Gummi Werke Ag

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3240846A (en) * 1962-08-06 1966-03-15 Allied Chem Method and apparatus for preparing polyurethane foam sandwich structure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1296791B (de) * 1961-12-05 1969-06-04 Allied Chem Verfahren und Vorrichtung zur Herstellung von beschichteten Bahnen
FR1574989A (OSRAM) * 1967-07-18 1969-07-18
FR2121520A1 (OSRAM) * 1971-01-12 1972-08-25 Continental Gummi Werke Ag

Also Published As

Publication number Publication date
GR59908B (en) 1978-03-16
FI761394A7 (OSRAM) 1976-11-30
BE842140A (fr) 1976-09-16
AU1385976A (en) 1977-11-24
NO761822L (OSRAM) 1976-11-30
PL101732B1 (pl) 1979-01-31
CH595971A5 (OSRAM) 1978-02-28
JPS5211268A (en) 1977-01-28
NL7605218A (nl) 1976-12-01
RO83528A (ro) 1985-10-31
DE2620084A1 (de) 1976-12-02
ES448306A1 (es) 1977-11-01
DK235176A (da) 1976-11-30
AU500938B2 (en) 1979-06-07
BR7603100A (pt) 1977-02-15
SE7605407L (sv) 1976-11-30
JPS5428193B2 (OSRAM) 1979-09-14
IT1061717B (it) 1983-04-30
SU668615A3 (ru) 1979-06-15
RO83528B (ro) 1984-10-30
PT65131B (en) 1977-10-11
HU170123B (OSRAM) 1977-04-28
PT65131A (en) 1976-06-01
LU74965A1 (OSRAM) 1977-01-18

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Legal Events

Date Code Title Description
ST Notification of lapse