MX150391A - IMPROVED PROCEDURE TO ELIMINATE DENSIFICATION OF THE BACKGROUND AREA OF POLYURETHANE FOAM BLOCKS - Google Patents

IMPROVED PROCEDURE TO ELIMINATE DENSIFICATION OF THE BACKGROUND AREA OF POLYURETHANE FOAM BLOCKS

Info

Publication number
MX150391A
MX150391A MX176314A MX17631479A MX150391A MX 150391 A MX150391 A MX 150391A MX 176314 A MX176314 A MX 176314A MX 17631479 A MX17631479 A MX 17631479A MX 150391 A MX150391 A MX 150391A
Authority
MX
Mexico
Prior art keywords
densification
eliminate
polyurethane foam
background area
foam blocks
Prior art date
Application number
MX176314A
Other languages
Spanish (es)
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/en
Priority claimed from ES473730A external-priority patent/ES473730A2/en
Application filed by Tecfoam Sa filed Critical Tecfoam Sa
Publication of MX150391A publication Critical patent/MX150391A/en

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
MX176314A 1978-01-18 1979-01-17 IMPROVED PROCEDURE TO ELIMINATE DENSIFICATION OF THE BACKGROUND AREA OF POLYURETHANE FOAM BLOCKS MX150391A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES466102A ES466102A1 (en) 1978-01-18 1978-01-18 Improved production of polyurethane for foam block
ES473730A ES473730A2 (en) 1978-09-28 1978-09-28 Improved manufacture of block of polyurethane foam

Publications (1)

Publication Number Publication Date
MX150391A true MX150391A (en) 1984-04-30

Family

ID=26155941

Family Applications (1)

Application Number Title Priority Date Filing Date
MX176314A MX150391A (en) 1978-01-18 1979-01-17 IMPROVED PROCEDURE TO ELIMINATE DENSIFICATION OF THE BACKGROUND AREA OF POLYURETHANE FOAM BLOCKS

Country Status (18)

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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES423754A1 (en) * 1974-02-28 1976-05-01 Policastilla Apparatus and methods of manufacturing expanded foam blocks of circular cross-section
DE2517664C3 (en) * 1975-04-22 1981-06-19 Metzeler Schaum Gmbh, 8940 Memmingen Process for the continuous production of rectangular foam blocks
ES215157Y (en) * 1975-09-16 1976-12-01 Policastilla, S. A. PERFECTED DEVICE FOR THE CONTINUOUS MANUFACTURE OF BLOCKS OF EXPANDED CELLULAR MATERIAL WITH CIRCULAR SECTION.
ES448190A1 (en) * 1976-05-24 1977-08-01 Roday Espumaciones Ind Manufacture of polyurethane foam blocks with reduced compacting of peripheral portions
DE2748733A1 (en) * 1977-10-29 1979-05-10 5090 Leverkusen PROCESS AND EQUIPMENT FOR THE CONTINUOUS PRODUCTION OF BLOCK-SHAPED FOAM

Also Published As

Publication number Publication date
FI783792A (en) 1979-07-19
BR7900294A (en) 1979-08-14
IT1114302B (en) 1986-01-27
FR2414996B1 (en) 1983-11-18
CA1130523A (en) 1982-08-31
GR63066B (en) 1979-08-06
DE2900525A1 (en) 1979-07-19
SE7900266L (en) 1979-07-19
AU521610B2 (en) 1982-04-22
FR2414996A1 (en) 1979-08-17
NO790027L (en) 1979-07-19
DK153303B (en) 1988-07-04
NL7900372A (en) 1979-07-20
AU4278978A (en) 1979-07-26
DE2900525C2 (en) 1988-03-31
PT69056A (en) 1979-02-01
DK153303C (en) 1988-11-14
CH635028A5 (en) 1983-03-15
SE420582B (en) 1981-10-19
YU7479A (en) 1982-10-31
GB2012657A (en) 1979-08-01
IT7947543A0 (en) 1979-01-05
AT381277B (en) 1986-09-25
GB2012657B (en) 1982-03-31
DK21979A (en) 1979-07-19
ATA937278A (en) 1986-02-15

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