GB1505286A - Polyisocyanate foam having isotropic cells and method and apparatus therefor - Google Patents
Polyisocyanate foam having isotropic cells and method and apparatus thereforInfo
- Publication number
- GB1505286A GB1505286A GB43901/75A GB4390175A GB1505286A GB 1505286 A GB1505286 A GB 1505286A GB 43901/75 A GB43901/75 A GB 43901/75A GB 4390175 A GB4390175 A GB 4390175A GB 1505286 A GB1505286 A GB 1505286A
- Authority
- GB
- United Kingdom
- Prior art keywords
- walls
- foam
- mould
- opened out
- isotropic
- 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
- 239000006260 foam Substances 0.000 title abstract 7
- 238000000034 method Methods 0.000 title abstract 2
- 229920001228 polyisocyanate Polymers 0.000 title abstract 2
- 239000005056 polyisocyanate Substances 0.000 title abstract 2
- 238000005187 foaming Methods 0.000 abstract 3
- 239000002184 metal Substances 0.000 abstract 3
- 239000000203 mixture Substances 0.000 abstract 2
- 239000011120 plywood Substances 0.000 abstract 2
- 230000000630 rising effect Effects 0.000 abstract 2
- 239000010425 asbestos Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 229920000582 polyisocyanurate Polymers 0.000 abstract 1
- 239000011495 polyisocyanurate Substances 0.000 abstract 1
- 229920002635 polyurethane Polymers 0.000 abstract 1
- 239000004814 polyurethane Substances 0.000 abstract 1
- 229910052895 riebeckite Inorganic materials 0.000 abstract 1
- 125000006850 spacer group Chemical group 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
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
- B29C44/58—Moulds
- B29C44/586—Moulds with a cavity increasing in size during foaming
-
- 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
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/10—Applying counter-pressure during expanding
Landscapes
- Polyurethanes Or Polyureas (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50111453A JPS5848338B2 (ja) | 1975-09-12 | 1975-09-12 | トウホウセイキホウオユウスルポリイソシアネ−トケイハツポウタイノセイゾウホウホウ ナラビニ ソノソウチ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1505286A true GB1505286A (en) | 1978-03-30 |
Family
ID=14561594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB43901/75A Expired GB1505286A (en) | 1975-09-12 | 1975-10-24 | Polyisocyanate foam having isotropic cells and method and apparatus therefor |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5848338B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1048699A (enrdf_load_stackoverflow) |
| DE (1) | DE2547549C3 (enrdf_load_stackoverflow) |
| FR (1) | FR2323518A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1505286A (enrdf_load_stackoverflow) |
| IT (1) | IT1043738B (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4104346A (en) * | 1976-07-29 | 1978-08-01 | The Upjohn Company | Process for molding a substantially isotropic isocyanate-based polymer foam bun |
| DE2929165C2 (de) | 1979-07-19 | 1981-12-24 | Röhm GmbH, 6100 Darmstadt | Verfahren zur Herstellung einer Schaumstoffplatte |
| JPS63160809A (ja) * | 1986-12-25 | 1988-07-04 | Human Ind Corp | ウレタンフオ−ムスラブのバツチ式発泡装置 |
| DE102008007078B3 (de) * | 2008-01-31 | 2009-05-28 | Bayer Materialscience Ag | Verfahren und Vorrichtung zur Herstellung von Blockschaumstoff |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5250060A (en) * | 1975-10-20 | 1977-04-21 | Kyowa Shinku Gijutsu Kk | Vacuum defreezing process for freezed substance and its apparatus |
-
1975
- 1975-09-12 JP JP50111453A patent/JPS5848338B2/ja not_active Expired
- 1975-10-23 DE DE2547549A patent/DE2547549C3/de not_active Expired
- 1975-10-24 CA CA75238253A patent/CA1048699A/en not_active Expired
- 1975-10-24 GB GB43901/75A patent/GB1505286A/en not_active Expired
- 1975-10-28 FR FR7532971A patent/FR2323518A1/fr active Granted
- 1975-10-29 IT IT28796/75A patent/IT1043738B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| AU8596475A (en) | 1977-05-19 |
| DE2547549C3 (de) | 1979-05-10 |
| FR2323518B1 (enrdf_load_stackoverflow) | 1979-04-06 |
| FR2323518A1 (fr) | 1977-04-08 |
| DE2547549A1 (de) | 1977-03-24 |
| CA1048699A (en) | 1979-02-13 |
| IT1043738B (it) | 1980-02-29 |
| JPS5848338B2 (ja) | 1983-10-27 |
| DE2547549B2 (de) | 1978-09-21 |
| JPS5235296A (en) | 1977-03-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |