SU668615A3 - Способ получени пенополиуретанов - Google Patents

Способ получени пенополиуретанов

Info

Publication number
SU668615A3
SU668615A3 SU762362102A SU2362102A SU668615A3 SU 668615 A3 SU668615 A3 SU 668615A3 SU 762362102 A SU762362102 A SU 762362102A SU 2362102 A SU2362102 A SU 2362102A SU 668615 A3 SU668615 A3 SU 668615A3
Authority
SU
USSR - Soviet Union
Prior art keywords
foam
force
section
blocks
mold
Prior art date
Application number
SU762362102A
Other languages
English (en)
Russian (ru)
Inventor
Бекефи Отто
Кадар Кароль
Качмарик Ласло
Лако Лайош
Шаламон Золтан
Тот Шандор
Original Assignee
Эсакмадьярорсаги Ведьимювек (Инопредприятие)
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 Эсакмадьярорсаги Ведьимювек (Инопредприятие) filed Critical Эсакмадьярорсаги Ведьимювек (Инопредприятие)
Application granted granted Critical
Publication of SU668615A3 publication Critical patent/SU668615A3/ru

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

Landscapes

  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Polyurethanes Or Polyureas (AREA)
SU762362102A 1975-05-29 1976-05-24 Способ получени пенополиуретанов SU668615A3 (ru)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SU668615A3 true SU668615A3 (ru) 1979-06-15

Family

ID=10995098

Family Applications (1)

Application Number Title Priority Date Filing Date
SU762362102A SU668615A3 (ru) 1975-05-29 1976-05-24 Способ получени пенополиуретанов

Country Status (21)

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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE625615A (hu) * 1961-12-05
US3240846A (en) * 1962-08-06 1966-03-15 Allied Chem Method and apparatus for preparing polyurethane foam sandwich structure
BE718157A (hu) * 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
ES448306A1 (es) 1977-11-01
GR59908B (en) 1978-03-16
PT65131A (en) 1976-06-01
BR7603100A (pt) 1977-02-15
BE842140A (fr) 1976-09-16
CH595971A5 (hu) 1978-02-28
IT1061717B (it) 1983-04-30
AU1385976A (en) 1977-11-24
LU74965A1 (hu) 1977-01-18
AU500938B2 (en) 1979-06-07
RO83528A (ro) 1985-10-31
DE2620084A1 (de) 1976-12-02
PL101732B1 (pl) 1979-01-31
SE7605407L (sv) 1976-11-30
FR2312357A1 (fr) 1976-12-24
HU170123B (hu) 1977-04-28
NL7605218A (nl) 1976-12-01
JPS5211268A (en) 1977-01-28
NO761822L (hu) 1976-11-30
PT65131B (en) 1977-10-11
DK235176A (da) 1976-11-30
FI761394A (hu) 1976-11-30
RO83528B (ro) 1984-10-30
JPS5428193B2 (hu) 1979-09-14

Similar Documents

Publication Publication Date Title
USRE37012E1 (en) Froth system for continuous manufacture of polyurethane foam slab-stocks
USRE37115E1 (en) Froth system for continuous manufacture of polyurethane foam slab-stocks
EP0613415A1 (en) METHOD AND DEVICE FOR THE CONTINUOUS MANUFACTURE OF A BLOCK OF POLYURETHANE FOAM IN A PREDETERMINED PRESSURE DOMAIN.
CA2205870C (en) A process and device for producing foam using carbon dioxide dissolved under pressure
JPS5962122A (ja) 合成樹脂発泡体の製造方法及び装置
EP0058553B1 (en) Production of foams
EP1328388B1 (en) Foam plastics manufacturing method and machine
US6616886B2 (en) Method and apparatus for reducing the thickness of a skin formed on a slab of polyurethane foam
US3560599A (en) Method of regulating the upper surface contour of polyurethane foam
SU668615A3 (ru) Способ получени пенополиуретанов
ITMI971575A1 (it) Processo e dispositivo per la produzione di materiale espanso mediante biossido di carbonio disciolto sotto pressione
US3887670A (en) Apparatus for and method of producing continuous foamed plastic bunstock
CA1098669A (en) Method and apparatus for making foam
JP4020972B2 (ja) 軟質弾性連続気泡ポリウレタンフォームの不連続製造法
US4252517A (en) Apparatus for crushing partially cured freely risen foam
US4485520A (en) Foamed rubber erasers and process for the production thereof
CS202549B2 (cs) Způsob jednostupňového formováni povrchu volné zpénéných polymerů z kapalných smési
US3672348A (en) Apparatus for regulating the upper surface contour of expanded cellular products
WO2000047384A2 (en) Method and apparatus for the production of skinless flexible polyurethane foam
FI103281B1 (fi) Menetelmä muotokappaleiden valmistamiseksi polyuretaanivaahtoaineista ja tällä menetelmällä saadut muotokappaleet
US4344902A (en) Process for manufacturing flexible densified polymethane foam
IE48877B1 (en) Process and apparatus for continuous production of polyurethane foam
GB2301595A (en) Vertical production of foamed polyurethane slab-stocks
Hilado et al. Some relationships between water vapor permeability and chemical/physical structure in rigid urethane foams
US4197269A (en) Process for production of large dimension polyester-derived polyurethane foam