DK153303C - Fremgangsmaade til fremstilling af blokke af polyurethanskum - Google Patents

Fremgangsmaade til fremstilling af blokke af polyurethanskum

Info

Publication number
DK153303C
DK153303C DK021979A DK21979A DK153303C DK 153303 C DK153303 C DK 153303C DK 021979 A DK021979 A DK 021979A DK 21979 A DK21979 A DK 21979A DK 153303 C DK153303 C DK 153303C
Authority
DK
Denmark
Prior art keywords
polyurethan
procedure
preparation
food blocks
food
Prior art date
Application number
DK021979A
Other languages
Danish (da)
English (en)
Other versions
DK21979A (da
DK153303B (da
Inventor
Roman Yarza Luaces
Original Assignee
Tecfoam Sa
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 ES466102A external-priority patent/ES466102A1/es
Priority claimed from ES473730A external-priority patent/ES473730A2/es
Application filed by Tecfoam Sa filed Critical Tecfoam Sa
Publication of DK21979A publication Critical patent/DK21979A/da
Publication of DK153303B publication Critical patent/DK153303B/da
Application granted granted Critical
Publication of DK153303C publication Critical patent/DK153303C/da

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
    • B29C44/20Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/28Expanding the moulding material on continuous moving surfaces without restricting the upwards growth of the foam
DK021979A 1978-01-18 1979-01-18 Fremgangsmaade til fremstilling af blokke af polyurethanskum DK153303C (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ES466102A ES466102A1 (es) 1978-01-18 1978-01-18 Procedimiento para eliminar la densificacion de la zona del fondo en la fabricacion de bloques de espuma de poliuretano.
ES466102 1978-01-18
ES473730 1978-09-28
ES473730A ES473730A2 (es) 1978-09-28 1978-09-28 Mejoras introducidas en el objeto de la patente principal por procedimiento para eliminar la densificacion de la zona del fondo en la fabricacion de bloques de espuma de poliure-tano.

Publications (3)

Publication Number Publication Date
DK21979A DK21979A (da) 1979-07-19
DK153303B DK153303B (da) 1988-07-04
DK153303C true DK153303C (da) 1988-11-14

Family

ID=26155941

Family Applications (1)

Application Number Title Priority Date Filing Date
DK021979A DK153303C (da) 1978-01-18 1979-01-18 Fremgangsmaade til fremstilling af blokke af polyurethanskum

Country Status (18)

Country Link
AT (1) AT381277B (ja)
AU (1) AU521610B2 (ja)
BR (1) BR7900294A (ja)
CA (1) CA1130523A (ja)
CH (1) CH635028A5 (ja)
DE (1) DE2900525A1 (ja)
DK (1) DK153303C (ja)
FI (1) FI783792A (ja)
FR (1) FR2414996A1 (ja)
GB (1) GB2012657B (ja)
GR (1) GR63066B (ja)
IT (1) IT1114302B (ja)
MX (1) MX150391A (ja)
NL (1) NL7900372A (ja)
NO (1) NO790027L (ja)
PT (1) PT69056A (ja)
SE (1) SE420582B (ja)
YU (1) YU7479A (ja)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES423754A1 (es) * 1974-02-28 1976-05-01 Policastilla Nuevo procedimiento para la fabricacion de un bloque de ma-terial celular expandido con seccion circular y diametro va-riable.
DE2517664C3 (de) * 1975-04-22 1981-06-19 Metzeler Schaum Gmbh, 8940 Memmingen Verfahren zur kontinuierlichen Herstellen von rechteckigen Schaumstoffblöcken
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.
ES448190A1 (es) * 1976-05-24 1977-08-01 Roday Espumaciones Ind Procedimiento para reducir al minimo la densificacion de laszonas perifericas de bloques de espuma flexible de poliure- tano.
DE2748733A1 (de) * 1977-10-29 1979-05-10 5090 Leverkusen Verfahren und einrichtung zum kontinuierlichen herstellen von blockfoermigem schaumstoff

Also Published As

Publication number Publication date
YU7479A (en) 1982-10-31
FR2414996A1 (fr) 1979-08-17
MX150391A (es) 1984-04-30
NO790027L (no) 1979-07-19
DE2900525C2 (ja) 1988-03-31
SE420582B (sv) 1981-10-19
SE7900266L (sv) 1979-07-19
AU521610B2 (en) 1982-04-22
GB2012657B (en) 1982-03-31
CH635028A5 (de) 1983-03-15
FR2414996B1 (ja) 1983-11-18
ATA937278A (de) 1986-02-15
AT381277B (de) 1986-09-25
DK21979A (da) 1979-07-19
GB2012657A (en) 1979-08-01
DK153303B (da) 1988-07-04
GR63066B (en) 1979-08-06
IT1114302B (it) 1986-01-27
CA1130523A (en) 1982-08-31
AU4278978A (en) 1979-07-26
DE2900525A1 (de) 1979-07-19
FI783792A (fi) 1979-07-19
IT7947543A0 (it) 1979-01-05
BR7900294A (pt) 1979-08-14
PT69056A (en) 1979-02-01
NL7900372A (nl) 1979-07-20

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Legal Events

Date Code Title Description
PBP Patent lapsed