ES492994A0 - Procedimiento y aparato para la fabricacion de articulos de espuma de poliuretano flexible - Google Patents
Procedimiento y aparato para la fabricacion de articulos de espuma de poliuretano flexibleInfo
- Publication number
- ES492994A0 ES492994A0 ES492994A ES492994A ES492994A0 ES 492994 A0 ES492994 A0 ES 492994A0 ES 492994 A ES492994 A ES 492994A ES 492994 A ES492994 A ES 492994A ES 492994 A0 ES492994 A0 ES 492994A0
- Authority
- ES
- Spain
- Prior art keywords
- procedure
- manufacture
- polyurethane foam
- flexible polyurethane
- foam items
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
-
- 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
- B29C44/3403—Foaming under special conditions, e.g. in sub-atmospheric pressure, in or on a liquid
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
-
- 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
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/006—Degassing moulding material or draining off gas during moulding
-
- 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
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7922988 | 1979-07-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8101990A1 ES8101990A1 (es) | 1980-12-16 |
ES492994A0 true ES492994A0 (es) | 1980-12-16 |
Family
ID=10506248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES492994A Granted ES492994A0 (es) | 1979-07-02 | 1980-07-01 | Procedimiento y aparato para la fabricacion de articulos de espuma de poliuretano flexible |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0023749B1 (es) |
DE (1) | DE3064017D1 (es) |
ES (1) | ES492994A0 (es) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1982000297A1 (en) * | 1980-07-15 | 1982-02-04 | J Blackwell | Production of synthetic plastics foam material |
GB8314010D0 (en) * | 1983-05-20 | 1983-06-29 | Unifoam Ag | Polymeric foam |
CA1290895C (en) * | 1986-12-25 | 1991-10-15 | Sadao Kumasaka | Method and an apparatus for producing polyurethane foam |
BE1004588A3 (nl) * | 1990-09-14 | 1992-12-15 | Recticel | Werkwijze voor het vervaardigen van soepel polyurethaanschuim. |
US5182313A (en) * | 1992-01-09 | 1993-01-26 | Scott Carson | Method and apparatus for forming articles made of polyurethane |
US5456586A (en) | 1993-07-07 | 1995-10-10 | Carson; Scott | Apparatus for manufacturing articles made of polyurethane |
DE19701728C2 (de) | 1997-01-20 | 1998-12-10 | Hennecke Gmbh | Verfahren und Vorrichtung zur Herstellung geschäumter Polyurethan-Formkörper |
DE10258546B4 (de) * | 2002-12-14 | 2005-03-10 | Stankiewicz Gmbh | Verfahren und Vorrichtung zur Herstellung geschäumter Polyurethan-Formkörper |
DE102004028803A1 (de) * | 2004-06-15 | 2006-01-12 | Stankiewicz Gmbh | Verfahren und Vorrichtung zur Herstellung hinterschäumter luftdurchlässiger textiler Produkte |
CN110171093B (zh) * | 2019-06-20 | 2021-04-16 | 滁州益佳模具设备制造有限公司 | 一种均匀上料混合注射的生产用发泡注塑模具 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2613719B2 (de) * | 1976-03-31 | 1980-09-11 | Krauss-Maffei Ag, 8000 Muenchen | Vorrichtung zum Herstellen von Formkörpern aus einem Gemisch von Kunststoffkomponenten |
DE2647482A1 (de) * | 1976-10-21 | 1978-04-27 | Bayer Ag | Verfahren zur herstellung von kalthaertenden, urethangruppen aufweisenden schaumstoffen |
-
1980
- 1980-05-09 EP EP19800301526 patent/EP0023749B1/en not_active Expired
- 1980-05-09 DE DE8080301526T patent/DE3064017D1/de not_active Expired
- 1980-07-01 ES ES492994A patent/ES492994A0/es active Granted
Also Published As
Publication number | Publication date |
---|---|
ES8101990A1 (es) | 1980-12-16 |
EP0023749A1 (en) | 1981-02-11 |
EP0023749B1 (en) | 1983-07-06 |
DE3064017D1 (en) | 1983-08-11 |
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