PT66487A - Process for reducing to a minimum the densification of peripherical areas of continuous blocks in flexible polyurethane foam - Google Patents

Process for reducing to a minimum the densification of peripherical areas of continuous blocks in flexible polyurethane foam

Info

Publication number
PT66487A
PT66487A PT66487A PT6648777A PT66487A PT 66487 A PT66487 A PT 66487A PT 66487 A PT66487 A PT 66487A PT 6648777 A PT6648777 A PT 6648777A PT 66487 A PT66487 A PT 66487A
Authority
PT
Portugal
Prior art keywords
peripherical
densification
areas
minimum
reducing
Prior art date
Application number
PT66487A
Other languages
Portuguese (pt)
Other versions
PT66487B (en
Original Assignee
Espumaciones Ind Roday Sl
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 Espumaciones Ind Roday Sl filed Critical Espumaciones Ind Roday Sl
Publication of PT66487A publication Critical patent/PT66487A/en
Publication of PT66487B publication Critical patent/PT66487B/en

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
PT66487A 1976-05-24 1977-04-28 Process for reducing to a minimum the densification of peripherical areas of continuous blocks in flexible polyurethane foam PT66487B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES448190A ES448190A1 (en) 1976-05-24 1976-05-24 Manufacture of polyurethane foam blocks with reduced compacting of peripheral portions

Publications (2)

Publication Number Publication Date
PT66487A true PT66487A (en) 1977-05-01
PT66487B PT66487B (en) 1978-09-29

Family

ID=8471629

Family Applications (1)

Application Number Title Priority Date Filing Date
PT66487A PT66487B (en) 1976-05-24 1977-04-28 Process for reducing to a minimum the densification of peripherical areas of continuous blocks in flexible polyurethane foam

Country Status (8)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES466951A1 (en) * 1978-02-14 1978-10-01 Tec Foam Sa Installations for manufacturing continuous blocks of polyurethane foam
ES475522A2 (en) * 1978-11-29 1979-08-16 Tecfoam Sa Temp. controlled conveyor tunnel for producing polyurethane foam - with temp. distribution profiles adjustable to suit different reactivities
DE2748733A1 (en) * 1977-10-29 1979-05-10 5090 Leverkusen PROCESS AND EQUIPMENT FOR THE CONTINUOUS PRODUCTION OF BLOCK-SHAPED FOAM
FI783792A (en) * 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 (en) * 1972-08-25 1974-06-28
JPS50126764A (en) * 1974-03-27 1975-10-06

Also Published As

Publication number Publication date
BE858339A (en) 1978-01-02
JPS52145472A (en) 1977-12-03
IT1116446B (en) 1986-02-10
ES448190A1 (en) 1977-08-01
DE2722841A1 (en) 1977-12-08
GB1534824A (en) 1978-12-06
PT66487B (en) 1978-09-29
FR2352855A1 (en) 1977-12-23

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