IT1119506B - Procedimento e dispositivo per la produzione in continuo di schiuma poliuretanica - Google Patents

Procedimento e dispositivo per la produzione in continuo di schiuma poliuretanica

Info

Publication number
IT1119506B
IT1119506B IT69240/79A IT6924079A IT1119506B IT 1119506 B IT1119506 B IT 1119506B IT 69240/79 A IT69240/79 A IT 69240/79A IT 6924079 A IT6924079 A IT 6924079A IT 1119506 B IT1119506 B IT 1119506B
Authority
IT
Italy
Prior art keywords
procedure
polyurethane foam
continuous production
continuous
production
Prior art date
Application number
IT69240/79A
Other languages
English (en)
Italian (it)
Other versions
IT7969240A0 (it
Inventor
Derk Jan Boon
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 IT7969240A0 publication Critical patent/IT7969240A0/it
Application granted granted Critical
Publication of IT1119506B publication Critical patent/IT1119506B/it

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
IT69240/79A 1978-11-20 1979-11-19 Procedimento e dispositivo per la produzione in continuo di schiuma poliuretanica IT1119506B (it)

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 (2)

Publication Number Publication Date
IT7969240A0 IT7969240A0 (it) 1979-11-19
IT1119506B true IT1119506B (it) 1986-03-10

Family

ID=25505502

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69240/79A IT1119506B (it) 1978-11-20 1979-11-19 Procedimento e dispositivo per la produzione in continuo di schiuma poliuretanica

Country Status (24)

Country Link
JP (1) JPS5571536A (da)
AR (1) AR221119A1 (da)
AU (1) AU531575B2 (da)
BE (1) BE880113A (da)
BR (1) BR7907493A (da)
CA (1) CA1142314A (da)
CH (1) CH632446A5 (da)
DE (1) DE2946396A1 (da)
DK (1) DK491979A (da)
ES (2) ES486104A1 (da)
FI (1) FI793618A7 (da)
FR (1) FR2441480A1 (da)
GB (1) GB2035887B (da)
GR (1) GR72930B (da)
IE (1) IE48877B1 (da)
IN (1) IN153400B (da)
IT (1) IT1119506B (da)
MX (1) MX151491A (da)
NL (1) NL7908419A (da)
NO (1) NO793602L (da)
NZ (1) NZ192115A (da)
PT (1) PT70450A (da)
SE (1) SE7909283L (da)
ZA (1) ZA796068B (da)

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 (de) * 2017-11-14 2019-05-15 Covestro Deutschland AG Variable vorrichtung und verfahren zum auftragen einer schäumbaren reaktionsmischung auf eine sich bewegende deckschicht

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
IE48877B1 (en) 1985-06-12
ES8102902A1 (es) 1981-02-16
GB2035887B (en) 1982-11-03
AU531575B2 (en) 1983-09-01
IT7969240A0 (it) 1979-11-19
IE792176L (en) 1980-05-20
BR7907493A (pt) 1980-07-08
JPS5571536A (en) 1980-05-29
DE2946396A1 (de) 1980-05-29
NZ192115A (en) 1981-05-29
FR2441480B1 (da) 1984-03-16
ES486104A1 (es) 1980-10-01
GR72930B (da) 1984-01-12
ZA796068B (en) 1980-10-29
MX151491A (es) 1984-12-04
PT70450A (en) 1979-12-01
CA1142314A (en) 1983-03-08
NL7908419A (nl) 1980-05-22
ES492926A0 (es) 1981-02-16
AU5298179A (en) 1980-05-29
BE880113A (fr) 1980-05-19
NO793602L (no) 1980-05-21
GB2035887A (en) 1980-06-25
DK491979A (da) 1980-05-21
CH632446A5 (fr) 1982-10-15
IN153400B (da) 1984-07-14
SE7909283L (sv) 1980-05-21
FI793618A7 (fi) 1981-01-01
FR2441480A1 (fr) 1980-06-13
AR221119A1 (es) 1980-12-30

Similar Documents

Publication Publication Date Title
IT1193583B (it) Prodotto di schiuma composito ed integrato e metodo per produrlo
IT7948360A0 (it) Procedimento ed apparecchio per il trattamento di miscugli termoplastici per la produzione di espansi
IT1191119B (it) Espansi di poliuretano e relativi procedimento di preparazione
IT7950725A0 (it) Procedimento per produrre oggetti con superficie microstrutturata eprodotto ottenuto
DK347880A (da) Hudrensemiddel med foroeget skummeevne
BR8106146A (pt) Processo para produzir espuma felxivel de poliester poliuretano e espuma flexivel de poliuretano
IT1086727B (it) Procedimento per la colata a zone di schiume poliuretaniche
IT1058454B (it) Tprcedimento per la produzione di schiume poliuretaniche soffici ed extra supersoffici
IT1057694B (it) Procedimento e dispositivo per la produzione in continuo di polpettone di carne
IT1117113B (it) Procedimento e dispositivo per la sagomatura di laminati di plastica
IT8221532A0 (it) Procedimento per la produzione di pezzi stampati in poliuretano espanso ed apparecchio per il medesimo.
IT7851759A0 (it) Polieteri-polioli utili per la produzione di espansi poliuretanici eprocedimento di preparazione relativo
IT1088510B (it) Procedimento per la produzione continua di articoli e/o il trattamento continuo di oggetti
IT7849943A0 (it) Procedimento per produrre in continuo acido naftalin-1-solfonico e 1/5-disolfonico
ES492994A0 (es) Procedimiento y aparato para la fabricacion de articulos de espuma de poliuretano flexible
IT7969240A0 (it) Procedimento e dispositivo per laproduzione in continuo di schiuma poliuretanica
IT1112106B (it) Procedimento in continuo per la epossidazione di alcheni
IT1132527B (it) Procedimento e dispositivo per la produzione continua di poliuretani
IT1112107B (it) Procedimento in continuo per la epossidazione di alcheni con l'impiego di pfrossiacidi
GB2014168B (en) Method of desifying open-celled polyurethane material
IT7850514A0 (it) Materie plastiche poliuretaniche contenenti tiogruppi e procedimento per produrle
IT1119438B (it) Procedimento per la rpoduzione di schiume di materie plastiche particolarmente di poliuretani
IT1117224B (it) Procedimento per produrre cisteammine e oppure cistammine
IT1118963B (it) Procedimento e dispositivo per la formatura in continuo di schume sintetiche
ES529049A0 (es) Procedimiento y maquina para la produccion continua de material espumado