BR7900294A - Processo para eliminar a densificacao da zona do fundo durante a fabricacao de blocos de espuma de poliuretano - Google Patents

Processo para eliminar a densificacao da zona do fundo durante a fabricacao de blocos de espuma de poliuretano

Info

Publication number
BR7900294A
BR7900294A BR7900294A BR7900294A BR7900294A BR 7900294 A BR7900294 A BR 7900294A BR 7900294 A BR7900294 A BR 7900294A BR 7900294 A BR7900294 A BR 7900294A BR 7900294 A BR7900294 A BR 7900294A
Authority
BR
Brazil
Prior art keywords
fund
densification
eliminate
manufacture
polyurethane foam
Prior art date
Application number
BR7900294A
Other languages
English (en)
Portuguese (pt)
Inventor
R Luaces
Original Assignee
Tec Foam 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 Tec Foam Sa filed Critical Tec Foam Sa
Publication of BR7900294A publication Critical patent/BR7900294A/pt

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
BR7900294A 1978-01-18 1979-01-16 Processo para eliminar a densificacao da zona do fundo durante a fabricacao de blocos de espuma de poliuretano BR7900294A (pt)

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
BR7900294A true BR7900294A (pt) 1979-08-14

Family

ID=26155941

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7900294A BR7900294A (pt) 1978-01-18 1979-01-16 Processo para eliminar a densificacao da zona do fundo durante a fabricacao de blocos de espuma de poliuretano

Country Status (18)

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

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
AT381277B (de) 1986-09-25
GB2012657A (en) 1979-08-01
CH635028A5 (de) 1983-03-15
MX150391A (es) 1984-04-30
GR63066B (en) 1979-08-06
SE7900266L (sv) 1979-07-19
NL7900372A (nl) 1979-07-20
IT1114302B (it) 1986-01-27
DK21979A (da) 1979-07-19
FR2414996B1 (pt-PT) 1983-11-18
YU7479A (en) 1982-10-31
IT7947543A0 (it) 1979-01-05
DE2900525C2 (pt-PT) 1988-03-31
FR2414996A1 (fr) 1979-08-17
NO790027L (no) 1979-07-19
GB2012657B (en) 1982-03-31
FI783792A (fi) 1979-07-19
CA1130523A (en) 1982-08-31
DK153303C (da) 1988-11-14
SE420582B (sv) 1981-10-19
DK153303B (da) 1988-07-04
PT69056A (en) 1979-02-01
ATA937278A (de) 1986-02-15
AU4278978A (en) 1979-07-26
AU521610B2 (en) 1982-04-22
DE2900525A1 (de) 1979-07-19

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