PT70450A - Process and apparatus for continuous production of polyurethane foam - Google Patents

Process and apparatus for continuous production of polyurethane foam

Info

Publication number
PT70450A
PT70450A PT70450A PT7045079A PT70450A PT 70450 A PT70450 A PT 70450A PT 70450 A PT70450 A PT 70450A PT 7045079 A PT7045079 A PT 7045079A PT 70450 A PT70450 A PT 70450A
Authority
PT
Portugal
Prior art keywords
polyurethane foam
continuous production
continuous
production
polyurethane
Prior art date
Application number
PT70450A
Other languages
English (en)
Portuguese (pt)
Original Assignee
Reeves Bros Inc
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
Priority claimed from US05/962,166 external-priority patent/US4207279A/en
Application filed by Reeves Bros Inc filed Critical Reeves Bros Inc
Publication of PT70450A publication Critical patent/PT70450A/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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/26—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length using several expanding steps
    • 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
    • B29C44/461—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length dispensing apparatus, e.g. dispensing foaming resin over the whole width of the moving surface
    • B29C44/462—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length dispensing apparatus, e.g. dispensing foaming resin over the whole width of the moving surface provided with pre-foaming devices
PT70450A 1978-11-20 1979-11-14 Process and apparatus for continuous production of polyurethane foam PT70450A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/962,166 US4207279A (en) 1977-05-03 1978-11-20 Process and apparatus for continuous production of polyurethane foam

Publications (1)

Publication Number Publication Date
PT70450A true PT70450A (en) 1979-12-01

Family

ID=25505502

Family Applications (1)

Application Number Title Priority Date Filing Date
PT70450A PT70450A (en) 1978-11-20 1979-11-14 Process and apparatus for continuous production of polyurethane foam

Country Status (24)

Country Link
JP (1) JPS5571536A (fr)
AR (1) AR221119A1 (fr)
AU (1) AU531575B2 (fr)
BE (1) BE880113A (fr)
BR (1) BR7907493A (fr)
CA (1) CA1142314A (fr)
CH (1) CH632446A5 (fr)
DE (1) DE2946396A1 (fr)
DK (1) DK491979A (fr)
ES (2) ES486104A1 (fr)
FI (1) FI793618A (fr)
FR (1) FR2441480A1 (fr)
GB (1) GB2035887B (fr)
GR (1) GR72930B (fr)
IE (1) IE48877B1 (fr)
IN (1) IN153400B (fr)
IT (1) IT1119506B (fr)
MX (1) MX151491A (fr)
NL (1) NL7908419A (fr)
NO (1) NO793602L (fr)
NZ (1) NZ192115A (fr)
PT (1) PT70450A (fr)
SE (1) SE7909283L (fr)
ZA (1) ZA796068B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4363610A (en) * 1981-01-26 1982-12-14 Miller Foam Enterprises, Inc. Apparatus for continuously molding cylindrical blocks of foamed polymeric material
DK149223C (da) * 1983-08-12 1987-07-06 Hyma Engineering Aps Fremgangsmaade og anlaeg til fremstilling af produkter af polyurethanskum eller lignende
US4572865A (en) * 1983-12-05 1986-02-25 The Celotex Corporation Faced foam insulation board and froth-foaming method for making same
KR101966203B1 (ko) * 2017-09-08 2019-04-05 (주)디유티코리아 연속 발포 공정에 의한 다경도·다탄성 폼 매트리스의 제조방법
EP3482904A1 (fr) * 2017-11-14 2019-05-15 Covestro Deutschland AG Dispositif variable et procédé d'application d'un mélange de réaction expansible à une couche de revêtement en mouvement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR78595E (fr) * 1960-10-24 1962-08-10 Cie De Prod Chim Moulage de feuilles minces de résine cellulaire
US3278659A (en) * 1963-02-26 1966-10-11 Specialty Converters Method and apparatus for casting foam plastic sheets on a curved casting surface
US3560599A (en) * 1968-08-05 1971-02-02 Tenneco Chem Method of regulating the upper surface contour of polyurethane foam
DE2135672A1 (de) * 1971-07-16 1973-02-01 Bayer Ag Vorrichtung zum kontinuierlichen herstellen einer schaumstoffblockbahn mit rechteckigem querschnitt
GB1564604A (en) * 1975-11-07 1980-04-10 Unifoam Ag Manufacture of polymeric foam
DE2231084A1 (de) * 1972-06-24 1974-01-03 Hennecke Gmbh Maschf Vorrichtung zum kontinuierlichen herstellen von schaumstoffbloecken
ES215157Y (es) * 1975-09-16 1976-12-01 Policastilla, S. A. Dispositivo perfeccionado para la fabricacion continua de bloques de material celular expandido con seccion circular.

Also Published As

Publication number Publication date
IN153400B (fr) 1984-07-14
CH632446A5 (fr) 1982-10-15
CA1142314A (fr) 1983-03-08
FI793618A (fi) 1980-05-21
BE880113A (fr) 1980-05-19
SE7909283L (sv) 1980-05-21
NZ192115A (en) 1981-05-29
NO793602L (no) 1980-05-21
DK491979A (da) 1980-05-21
GR72930B (fr) 1984-01-12
FR2441480B1 (fr) 1984-03-16
AU5298179A (en) 1980-05-29
MX151491A (es) 1984-12-04
FR2441480A1 (fr) 1980-06-13
JPS5571536A (en) 1980-05-29
AR221119A1 (es) 1980-12-30
ES492926A0 (es) 1981-02-16
NL7908419A (nl) 1980-05-22
ES486104A1 (es) 1980-10-01
BR7907493A (pt) 1980-07-08
IT7969240A0 (it) 1979-11-19
GB2035887A (en) 1980-06-25
IE48877B1 (en) 1985-06-12
AU531575B2 (en) 1983-09-01
ES8102902A1 (es) 1981-02-16
IT1119506B (it) 1986-03-10
GB2035887B (en) 1982-11-03
IE792176L (en) 1980-05-20
ZA796068B (en) 1980-10-29
DE2946396A1 (de) 1980-05-29

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