YU7479A - Process for the elimination of the densification in the lower parts of blocs made of polyurethane foam during production thereof - Google Patents

Process for the elimination of the densification in the lower parts of blocs made of polyurethane foam during production thereof

Info

Publication number
YU7479A
YU7479A YU00074/79A YU7479A YU7479A YU 7479 A YU7479 A YU 7479A YU 00074/79 A YU00074/79 A YU 00074/79A YU 7479 A YU7479 A YU 7479A YU 7479 A YU7479 A YU 7479A
Authority
YU
Yugoslavia
Prior art keywords
blocs
densification
elimination
polyurethane foam
lower parts
Prior art date
Application number
YU00074/79A
Other languages
English (en)
Inventor
Y R 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 YU7479A publication Critical patent/YU7479A/xx

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
YU00074/79A 1978-01-18 1979-01-15 Process for the elimination of the densification in the lower parts of blocs made of polyurethane foam during production thereof YU7479A (en)

Applications Claiming Priority (2)

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.
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 (1)

Publication Number Publication Date
YU7479A true YU7479A (en) 1982-10-31

Family

ID=26155941

Family Applications (1)

Application Number Title Priority Date Filing Date
YU00074/79A YU7479A (en) 1978-01-18 1979-01-15 Process for the elimination of the densification in the lower parts of blocs made of polyurethane foam during production thereof

Country Status (18)

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

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
FI783792A (fi) 1979-07-19
BR7900294A (pt) 1979-08-14
IT1114302B (it) 1986-01-27
FR2414996B1 (sv) 1983-11-18
CA1130523A (en) 1982-08-31
GR63066B (en) 1979-08-06
DE2900525A1 (de) 1979-07-19
SE7900266L (sv) 1979-07-19
AU521610B2 (en) 1982-04-22
FR2414996A1 (fr) 1979-08-17
NO790027L (no) 1979-07-19
DK153303B (da) 1988-07-04
NL7900372A (nl) 1979-07-20
AU4278978A (en) 1979-07-26
MX150391A (es) 1984-04-30
DE2900525C2 (sv) 1988-03-31
PT69056A (en) 1979-02-01
DK153303C (da) 1988-11-14
CH635028A5 (de) 1983-03-15
SE420582B (sv) 1981-10-19
GB2012657A (en) 1979-08-01
IT7947543A0 (it) 1979-01-05
AT381277B (de) 1986-09-25
GB2012657B (en) 1982-03-31
DK21979A (da) 1979-07-19
ATA937278A (de) 1986-02-15

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