SE420582B - Forfarande for framstellning av polyuretanskumblock - Google Patents
Forfarande for framstellning av polyuretanskumblockInfo
- Publication number
- SE420582B SE420582B SE7900266A SE7900266A SE420582B SE 420582 B SE420582 B SE 420582B SE 7900266 A SE7900266 A SE 7900266A SE 7900266 A SE7900266 A SE 7900266A SE 420582 B SE420582 B SE 420582B
- Authority
- SE
- Sweden
- Prior art keywords
- foam
- temperature
- belt
- web
- tunnel
- Prior art date
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)
- Laminated Bodies (AREA)
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 (2)
| Publication Number | Publication Date |
|---|---|
| SE7900266L SE7900266L (sv) | 1979-07-19 |
| SE420582B true SE420582B (sv) | 1981-10-19 |
Family
ID=26155941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7900266A SE420582B (sv) | 1978-01-18 | 1979-01-11 | Forfarande for framstellning av polyuretanskumblock |
Country Status (18)
Family Cites Families (5)
| 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 |
-
1978
- 1978-12-08 FI FI783792A patent/FI783792A/fi unknown
- 1978-12-21 AU AU42789/78A patent/AU521610B2/en not_active Expired
- 1978-12-29 GB GB7850274A patent/GB2012657B/en not_active Expired
- 1978-12-29 AT AT0937278A patent/AT381277B/de active
-
1979
- 1979-01-03 FR FR7900122A patent/FR2414996A1/fr active Granted
- 1979-01-04 NO NO790027A patent/NO790027L/no unknown
- 1979-01-05 IT IT47543/79A patent/IT1114302B/it active
- 1979-01-08 DE DE19792900525 patent/DE2900525A1/de active Granted
- 1979-01-10 PT PT69056A patent/PT69056A/pt unknown
- 1979-01-11 SE SE7900266A patent/SE420582B/sv not_active IP Right Cessation
- 1979-01-15 YU YU00074/79A patent/YU7479A/xx unknown
- 1979-01-16 CH CH40779A patent/CH635028A5/de not_active IP Right Cessation
- 1979-01-16 BR BR7900294A patent/BR7900294A/pt unknown
- 1979-01-17 GR GR58116A patent/GR63066B/el unknown
- 1979-01-17 CA CA319,766A patent/CA1130523A/en not_active Expired
- 1979-01-17 MX MX176314A patent/MX150391A/es unknown
- 1979-01-17 NL NL7900372A patent/NL7900372A/xx not_active Application Discontinuation
- 1979-01-18 DK DK021979A patent/DK153303C/da not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IT1114302B (it) | 1986-01-27 |
| FI783792A (fi) | 1979-07-19 |
| GR63066B (en) | 1979-08-06 |
| YU7479A (en) | 1982-10-31 |
| IT7947543A0 (it) | 1979-01-05 |
| DE2900525A1 (de) | 1979-07-19 |
| DE2900525C2 (US20020095090A1-20020718-M00002.png) | 1988-03-31 |
| NO790027L (no) | 1979-07-19 |
| AT381277B (de) | 1986-09-25 |
| DK21979A (da) | 1979-07-19 |
| PT69056A (en) | 1979-02-01 |
| NL7900372A (nl) | 1979-07-20 |
| FR2414996B1 (US20020095090A1-20020718-M00002.png) | 1983-11-18 |
| BR7900294A (pt) | 1979-08-14 |
| MX150391A (es) | 1984-04-30 |
| CH635028A5 (de) | 1983-03-15 |
| SE7900266L (sv) | 1979-07-19 |
| GB2012657B (en) | 1982-03-31 |
| DK153303B (da) | 1988-07-04 |
| GB2012657A (en) | 1979-08-01 |
| ATA937278A (de) | 1986-02-15 |
| FR2414996A1 (fr) | 1979-08-17 |
| AU4278978A (en) | 1979-07-26 |
| AU521610B2 (en) | 1982-04-22 |
| CA1130523A (en) | 1982-08-31 |
| DK153303C (da) | 1988-11-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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