SE378208B - - Google Patents
Info
- Publication number
- SE378208B SE378208B SE7303751A SE7303751A SE378208B SE 378208 B SE378208 B SE 378208B SE 7303751 A SE7303751 A SE 7303751A SE 7303751 A SE7303751 A SE 7303751A SE 378208 B SE378208 B SE 378208B
- Authority
- SE
- Sweden
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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0013—Extrusion moulding in several steps, i.e. components merging outside the die
- B29C48/0015—Extrusion moulding in several steps, i.e. components merging outside the die producing hollow articles having components brought in contact outside the extrusion die
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7303751A SE378208B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-03-16 | 1973-03-16 | |
| GB1100974A GB1464135A (en) | 1973-03-16 | 1974-03-12 | Process and apparatus for the preparation of a multilayer film |
| DE2412572A DE2412572C2 (de) | 1973-03-16 | 1974-03-15 | Verfahren zur kontinuierlichen Herstellung von Mehrschichtkunststoffolien |
| US05/830,579 US4177103A (en) | 1973-03-16 | 1977-09-06 | Apparatus for the preparation of a multilayer film |
| US06/035,285 US4254175A (en) | 1973-03-16 | 1979-05-02 | Multilayer thermoplastic film laminate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7303751A SE378208B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-03-16 | 1973-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE378208B true SE378208B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-08-25 |
Family
ID=20316945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7303751A SE378208B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-03-16 | 1973-03-16 |
Country Status (3)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118124120B (zh) * | 2024-04-24 | 2024-09-20 | 浙江佑威新材料股份有限公司 | 吹膜物料加热输送装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH392867A (de) * | 1962-05-18 | 1965-05-31 | Stanniolfabrik Burgdorf Ag | Düsenkopf zur Herstellung porenfreier Kunststoffschläuche |
| US3640659A (en) * | 1968-08-01 | 1972-02-08 | Bristol Myers Co | Split die for extruding laminated tubing |
| BE756616A (fr) * | 1969-10-31 | 1971-03-01 | Reifenhauser K G | Procede et installation de soufflage permettant de fabriquer des feuilles multicouches en matieres plastiques |
-
1973
- 1973-03-16 SE SE7303751A patent/SE378208B/xx unknown
-
1974
- 1974-03-12 GB GB1100974A patent/GB1464135A/en not_active Expired
- 1974-03-15 DE DE2412572A patent/DE2412572C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2412572A1 (de) | 1974-10-03 |
| GB1464135A (en) | 1977-02-09 |
| DE2412572C2 (de) | 1984-09-13 |