FR2121520B1 - - Google Patents
Info
- Publication number
- FR2121520B1 FR2121520B1 FR7146549A FR7146549A FR2121520B1 FR 2121520 B1 FR2121520 B1 FR 2121520B1 FR 7146549 A FR7146549 A FR 7146549A FR 7146549 A FR7146549 A FR 7146549A FR 2121520 B1 FR2121520 B1 FR 2121520B1
- Authority
- FR
- France
- 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
- B29C44/3403—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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/005—Avoiding skin formation; Making foams with porous surfaces
-
- 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
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712101238 DE2101238C3 (de) | 1971-01-12 | Verfahren und Vorrichtung zur Herstellung von Schaumstoffblöcken mit ebener Oberfläche in offenen Formen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2121520A1 FR2121520A1 (xx) | 1972-08-25 |
| FR2121520B1 true FR2121520B1 (xx) | 1974-07-05 |
Family
ID=5795673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7146549A Expired FR2121520B1 (xx) | 1971-01-12 | 1971-12-24 |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT335168B (xx) |
| BE (1) | BE777216A (xx) |
| DK (1) | DK134889C (xx) |
| ES (1) | ES398763A1 (xx) |
| FR (1) | FR2121520B1 (xx) |
| GB (1) | GB1380645A (xx) |
| IT (1) | IT946463B (xx) |
| NL (1) | NL7118216A (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU170123B (xx) * | 1975-05-29 | 1977-04-28 | ||
| DE3842625C1 (xx) * | 1988-12-17 | 1990-05-31 | Bayer Ag, 5090 Leverkusen, De | |
| BE1004588A3 (nl) * | 1990-09-14 | 1992-12-15 | Recticel | Werkwijze voor het vervaardigen van soepel polyurethaanschuim. |
| CN110789049A (zh) * | 2019-12-10 | 2020-02-14 | 杭州塑团机械有限公司 | 一种泡塑机移模系统 |
-
1971
- 1971-12-23 BE BE777216A patent/BE777216A/xx unknown
- 1971-12-24 FR FR7146549A patent/FR2121520B1/fr not_active Expired
- 1971-12-31 NL NL7118216A patent/NL7118216A/xx not_active Application Discontinuation
-
1972
- 1972-01-11 ES ES398763A patent/ES398763A1/es not_active Expired
- 1972-01-11 IT IT1923672A patent/IT946463B/it active
- 1972-01-11 DK DK12472A patent/DK134889C/da active
- 1972-01-11 AT AT19872A patent/AT335168B/de not_active IP Right Cessation
- 1972-01-12 GB GB137072A patent/GB1380645A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1380645A (en) | 1975-01-15 |
| NL7118216A (xx) | 1972-07-14 |
| DK134889B (da) | 1977-02-07 |
| DE2101238B2 (de) | 1975-11-13 |
| ES398763A1 (es) | 1975-05-01 |
| DE2101238A1 (de) | 1972-07-27 |
| DK134889C (da) | 1977-06-27 |
| FR2121520A1 (xx) | 1972-08-25 |
| ATA19872A (de) | 1976-06-15 |
| AT335168B (de) | 1977-02-25 |
| BE777216A (fr) | 1972-01-14 |
| IT946463B (it) | 1973-05-21 |