FR2352855A1 - Procede perfectionne pour la fabrication de blocs de mousse de polyurethane - Google Patents

Procede perfectionne pour la fabrication de blocs de mousse de polyurethane

Info

Publication number
FR2352855A1
FR2352855A1 FR7715763A FR7715763A FR2352855A1 FR 2352855 A1 FR2352855 A1 FR 2352855A1 FR 7715763 A FR7715763 A FR 7715763A FR 7715763 A FR7715763 A FR 7715763A FR 2352855 A1 FR2352855 A1 FR 2352855A1
Authority
FR
France
Prior art keywords
manufacture
polyurethane foam
foam blocks
perfected process
perfected
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.)
Withdrawn
Application number
FR7715763A
Other languages
English (en)
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 FR2352855A1 publication Critical patent/FR2352855A1/fr
Withdrawn legal-status Critical Current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
FR7715763A 1976-05-24 1977-05-23 Procede perfectionne pour la fabrication de blocs de mousse de polyurethane Withdrawn FR2352855A1 (fr)

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
FR2352855A1 true FR2352855A1 (fr) 1977-12-23

Family

ID=8471629

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7715763A Withdrawn FR2352855A1 (fr) 1976-05-24 1977-05-23 Procede perfectionne pour la fabrication de blocs de mousse de polyurethane

Country Status (8)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.
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
DE2748733A1 (de) * 1977-10-29 1979-05-10 5090 Leverkusen Verfahren und einrichtung zum kontinuierlichen herstellen von blockfoermigem schaumstoff
FI783792A (fi) * 1978-01-18 1979-07-19 Tecfoam Sa Foerfarande foer eliminering av en foertaetning av bottenpartiet vid framstaellning av polyuretanskumblock

Family Cites Families (2)

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

Also Published As

Publication number Publication date
BE858339A (fr) 1978-01-02
PT66487A (en) 1977-05-01
JPS52145472A (en) 1977-12-03
IT1116446B (it) 1986-02-10
ES448190A1 (es) 1977-08-01
DE2722841A1 (de) 1977-12-08
GB1534824A (en) 1978-12-06
PT66487B (en) 1978-09-29

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse