CS224480B1 - Method and device for forming a formed profile - Google Patents
Method and device for forming a formed profile Download PDFInfo
- Publication number
- CS224480B1 CS224480B1 CS803569A CS356980A CS224480B1 CS 224480 B1 CS224480 B1 CS 224480B1 CS 803569 A CS803569 A CS 803569A CS 356980 A CS356980 A CS 356980A CS 224480 B1 CS224480 B1 CS 224480B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- head
- foaming
- extrusion
- cross
- foaming head
- Prior art date
Links
- 238000005187 foaming Methods 0.000 claims 12
- 238000001125 extrusion Methods 0.000 claims 11
- 239000004033 plastic Substances 0.000 claims 5
- 238000004519 manufacturing process Methods 0.000 claims 4
- 239000000463 material Substances 0.000 claims 4
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 229920002313 fluoropolymer Polymers 0.000 claims 1
- 239000004088 foaming agent Substances 0.000 claims 1
- 230000009477 glass transition Effects 0.000 claims 1
- 239000002985 plastic film Substances 0.000 claims 1
- 229920006255 plastic film Polymers 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 1
- 241000186216 Corynebacterium Species 0.000 description 1
- 241001553014 Myrsine salicina Species 0.000 description 1
- 108091029474 Y RNA Proteins 0.000 description 1
- 239000010952 cobalt-chrome Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 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
- B29C44/36—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
- B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD79213607A DD143229A1 (de) | 1979-06-14 | 1979-06-14 | Verfahren und vorrichtung zur herstellung geschaeumter kunststoffprofile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS224480B1 true CS224480B1 (en) | 1984-01-16 |
Family
ID=5518685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS803569A CS224480B1 (en) | 1979-06-14 | 1980-05-21 | Method and device for forming a formed profile |
Country Status (5)
| Country | Link |
|---|---|
| BG (1) | BG41349A1 (de) |
| CS (1) | CS224480B1 (de) |
| DD (1) | DD143229A1 (de) |
| DE (1) | DE3017120A1 (de) |
| FR (1) | FR2459122A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2580542B1 (fr) * | 1985-04-23 | 1987-07-17 | Atochem | Procede d'extrusion de matieres plastiques expansibles |
-
1979
- 1979-06-14 DD DD79213607A patent/DD143229A1/de not_active IP Right Cessation
-
1980
- 1980-05-03 DE DE19803017120 patent/DE3017120A1/de not_active Withdrawn
- 1980-05-21 CS CS803569A patent/CS224480B1/cs unknown
- 1980-05-23 BG BG8047886A patent/BG41349A1/xx unknown
- 1980-06-13 FR FR8013223A patent/FR2459122A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3017120A1 (de) | 1981-01-08 |
| FR2459122A1 (fr) | 1981-01-09 |
| DD143229A1 (de) | 1980-08-13 |
| FR2459122B3 (de) | 1982-05-07 |
| BG41349A1 (en) | 1987-06-15 |
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