JPS52145472A - Process for minimize skin of polyurethane foam - Google Patents

Process for minimize skin of polyurethane foam

Info

Publication number
JPS52145472A
JPS52145472A JP3145877A JP3145877A JPS52145472A JP S52145472 A JPS52145472 A JP S52145472A JP 3145877 A JP3145877 A JP 3145877A JP 3145877 A JP3145877 A JP 3145877A JP S52145472 A JPS52145472 A JP S52145472A
Authority
JP
Japan
Prior art keywords
polyurethane foam
minimize skin
minimize
skin
polyurethane
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP3145877A
Other languages
English (en)
Inventor
Yaruza Ruakesu Roman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RODAY ESPUMACIONES IND
Original Assignee
RODAY ESPUMACIONES IND
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
Application filed by RODAY ESPUMACIONES IND filed Critical RODAY ESPUMACIONES IND
Publication of JPS52145472A publication Critical patent/JPS52145472A/ja
Pending legal-status Critical Current

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
    • B29C44/28—Expanding the moulding material on continuous moving surfaces without restricting the upwards growth of the foam

Landscapes

  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
JP3145877A 1976-05-24 1977-03-22 Process for minimize skin of polyurethane foam Pending JPS52145472A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES448190A ES448190A1 (es) 1976-05-24 1976-05-24 Procedimiento para reducir al minimo la densificacion de laszonas perifericas de bloques de espuma flexible de poliure- tano.

Publications (1)

Publication Number Publication Date
JPS52145472A true JPS52145472A (en) 1977-12-03

Family

ID=8471629

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3145877A Pending JPS52145472A (en) 1976-05-24 1977-03-22 Process for minimize skin of polyurethane foam

Country Status (8)

Country Link
JP (1) JPS52145472A (ja)
BE (1) BE858339A (ja)
DE (1) DE2722841A1 (ja)
ES (1) ES448190A1 (ja)
FR (1) FR2352855A1 (ja)
GB (1) GB1534824A (ja)
IT (1) IT1116446B (ja)
PT (1) PT66487B (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES475522A2 (es) * 1978-11-29 1979-08-16 Tecfoam Sa Mejoras introducidas en el objeto de la patente pirncipal sobre perfeccionamientos introducidos en una instalacion de bloques continuos de espuma de poliuretano carentes de costr
ES466951A1 (es) * 1978-02-14 1978-10-01 Tec Foam Sa Perfeccionamientos introducidos en una instalacion para la obtencion de bloques continuos de espuma de poliuretano ca- rentes de "costra" o capa de mayor densidad en su parte de fondo.
DE2748733A1 (de) * 1977-10-29 1979-05-10 5090 Leverkusen Verfahren und einrichtung zum kontinuierlichen herstellen von blockfoermigem schaumstoff
FI783792A7 (fi) * 1978-01-18 1979-07-19 Tecfoam Sa Foerfarande foer eliminering av en foertaetning av bottenpartiet vid framstaellning av polyuretanskumblock

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4966763A (ja) * 1972-08-25 1974-06-28
JPS50126764A (ja) * 1974-03-27 1975-10-06

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4966763A (ja) * 1972-08-25 1974-06-28
JPS50126764A (ja) * 1974-03-27 1975-10-06

Also Published As

Publication number Publication date
ES448190A1 (es) 1977-08-01
PT66487B (en) 1978-09-29
FR2352855A1 (fr) 1977-12-23
BE858339A (fr) 1978-01-02
PT66487A (en) 1977-05-01
DE2722841A1 (de) 1977-12-08
IT1116446B (it) 1986-02-10
GB1534824A (en) 1978-12-06

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