ES8501783A1 - Procedimiento para la regulacion de la conformacion transversal de polimeros, principalmente poliuretanos libremente esponjantes. - Google Patents
Procedimiento para la regulacion de la conformacion transversal de polimeros, principalmente poliuretanos libremente esponjantes.Info
- Publication number
- ES8501783A1 ES8501783A1 ES520821A ES520821A ES8501783A1 ES 8501783 A1 ES8501783 A1 ES 8501783A1 ES 520821 A ES520821 A ES 520821A ES 520821 A ES520821 A ES 520821A ES 8501783 A1 ES8501783 A1 ES 8501783A1
- Authority
- ES
- Spain
- Prior art keywords
- polymers
- polyurethanes
- regulation
- spongeant
- transversal
- 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.)
- Expired
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
- B29C44/34—Auxiliary operations
- B29C44/60—Measuring, controlling or regulating
-
- 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
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/467—Foam spreading or levelling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Molding Of Porous Articles (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Polyurethanes Or Polyureas (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Air-Flow Control Members (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
PROCEDIMIENTO Y APARATO PARA REGULAR CON LA AYUDA DE GASES LA CONFORMACION DE LA SECCION TRANSVERSAL DE POLIMEROS, PRINCIPALMENTE POLIURETANOS, LIBREMENTE ESPONJANTES, EN LA PRODUCCION DE BLOQUES DE ESPUMA O ESPONJA.EL PROCEDIMIENTO CONSISTE EN PRODUCIR UNA DIFERENCIA DE PRESIONES CUYO VALOR ES LLEVADO MEDIANTE REGULACION BASTA A LA PROXIMIDAD DE UN PUNTO DE TRABAJO EN UN MARGEN DE COMO MAXIMO 10 MM DE COLUMNA DE AGUA, Y SE LE MANTIENE EN UN ESTADO ESTABILIZADO EN LA PROXIMIDAD DE ESTE PUNTO DE TRABAJO, DENTRO DE UN LIMITE DE G0,1 MM DE COLUMNA DE AGUA.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU82896A HU185699B (en) | 1982-03-24 | 1982-03-24 | Method and apparatus for regulating the shaping of the cross section of freely foamable polimers, preferably poliuretans |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES8501783A1 true ES8501783A1 (es) | 1984-12-01 |
| ES520821A0 ES520821A0 (es) | 1984-12-01 |
Family
ID=10951927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES520821A Granted ES520821A0 (es) | 1982-03-24 | 1983-03-22 | Procedimiento para la regulacion de la conformacion transversal de polimeros, principalmente poliuretanos libremente esponjantes. |
Country Status (18)
| Country | Link |
|---|---|
| EP (1) | EP0089663A3 (es) |
| JP (1) | JPS58173633A (es) |
| AU (1) | AU552853B2 (es) |
| BR (1) | BR8301494A (es) |
| CA (1) | CA1217012A (es) |
| CS (1) | CS244926B2 (es) |
| DD (1) | DD236406A5 (es) |
| DK (1) | DK89883A (es) |
| ES (1) | ES520821A0 (es) |
| FI (1) | FI830572L (es) |
| GR (1) | GR77938B (es) |
| HU (1) | HU185699B (es) |
| NO (1) | NO831029L (es) |
| PL (1) | PL136211B1 (es) |
| PT (1) | PT76350B (es) |
| RO (1) | RO88364B (es) |
| SU (1) | SU1389670A3 (es) |
| YU (1) | YU66083A (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4666393A (en) * | 1986-06-13 | 1987-05-19 | Human Industry Corporation | Apparatus for manufacturing polyurethane foam slabs in a batch |
| US4856548A (en) * | 1988-03-10 | 1989-08-15 | Paluch Bernard R | Resuscitation valve |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2445271A1 (de) * | 1974-09-21 | 1976-04-08 | Continental Gummi Werke Ag | Vorrichtung zum kontinuierlichen herstellen von bloecken mit im vertikalschnitt rechteckigem querschnitt aus kunststoffschaeumen insbesondere polyurethan-kunststoffschaeumen |
| GB1531131A (en) * | 1975-04-18 | 1978-11-01 | Ici Ltd | Laminating process and apparatus therefor |
-
1982
- 1982-03-24 HU HU82896A patent/HU185699B/hu not_active IP Right Cessation
-
1983
- 1983-02-21 FI FI830572A patent/FI830572L/fi not_active Application Discontinuation
- 1983-02-25 DK DK89883A patent/DK89883A/da not_active Application Discontinuation
- 1983-03-02 GR GR70654A patent/GR77938B/el unknown
- 1983-03-04 SU SU833559503A patent/SU1389670A3/ru active
- 1983-03-07 PT PT76350A patent/PT76350B/pt unknown
- 1983-03-11 CS CS831685A patent/CS244926B2/cs unknown
- 1983-03-18 AU AU12582/83A patent/AU552853B2/en not_active Ceased
- 1983-03-18 YU YU00660/83A patent/YU66083A/xx unknown
- 1983-03-21 EP EP83102785A patent/EP0089663A3/de not_active Withdrawn
- 1983-03-22 DD DD83249055A patent/DD236406A5/de unknown
- 1983-03-22 RO RO110415A patent/RO88364B/ro unknown
- 1983-03-22 JP JP58046095A patent/JPS58173633A/ja active Pending
- 1983-03-22 ES ES520821A patent/ES520821A0/es active Granted
- 1983-03-23 BR BR8301494A patent/BR8301494A/pt unknown
- 1983-03-23 PL PL1983241144A patent/PL136211B1/pl unknown
- 1983-03-23 NO NO831029A patent/NO831029L/no unknown
- 1983-03-24 CA CA000424410A patent/CA1217012A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| PT76350A (en) | 1983-04-01 |
| RO88364A (ro) | 1987-06-30 |
| HU185699B (en) | 1985-03-28 |
| FI830572A7 (fi) | 1983-09-25 |
| GR77938B (es) | 1984-09-25 |
| CS244926B2 (en) | 1986-08-14 |
| AU1258283A (en) | 1983-09-29 |
| DK89883D0 (da) | 1983-02-25 |
| EP0089663A3 (de) | 1987-09-16 |
| PL136211B1 (en) | 1986-02-28 |
| BR8301494A (pt) | 1983-12-06 |
| ES520821A0 (es) | 1984-12-01 |
| CA1217012A (en) | 1987-01-27 |
| RO88364B (ro) | 1987-07-01 |
| SU1389670A3 (ru) | 1988-04-15 |
| FI830572A0 (fi) | 1983-02-21 |
| AU552853B2 (en) | 1986-06-26 |
| PT76350B (en) | 1986-01-10 |
| PL241144A1 (en) | 1984-07-02 |
| YU66083A (en) | 1986-02-28 |
| NO831029L (no) | 1983-09-26 |
| DD236406A5 (de) | 1986-06-04 |
| FI830572L (fi) | 1983-09-25 |
| JPS58173633A (ja) | 1983-10-12 |
| DK89883A (da) | 1983-09-25 |
| EP0089663A2 (de) | 1983-09-28 |
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