FR1478675A - - Google Patents
Info
- Publication number
- FR1478675A FR1478675A FR1478675DA FR1478675A FR 1478675 A FR1478675 A FR 1478675A FR 1478675D A FR1478675D A FR 1478675DA FR 1478675 A FR1478675 A FR 1478675A
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
- B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
-
- 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
- B29C48/16—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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1478675A true FR1478675A (pl) | 1967-07-12 |
Family
ID=1584973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1478675D Expired FR1478675A (pl) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1478675A (pl) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4204821A (en) * | 1972-09-22 | 1980-05-27 | Dynamit Nobel Aktiengesellschaft | Process and apparatus for the extrusion of coated skein-shaped profiles, preferably of thermoplastic synthetic resins |
| EP0113071A1 (en) * | 1982-12-06 | 1984-07-11 | Borg-Warner Chemicals Inc. | Coextrusion feedblock for making lightweight, rigid thermoplastic pipe |
-
0
- FR FR1478675D patent/FR1478675A/fr not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4204821A (en) * | 1972-09-22 | 1980-05-27 | Dynamit Nobel Aktiengesellschaft | Process and apparatus for the extrusion of coated skein-shaped profiles, preferably of thermoplastic synthetic resins |
| US4296062A (en) * | 1972-09-22 | 1981-10-20 | Dynamit Nobel Aktiengesellschaft | Process for the extrusion of coated skein-shaped profiles, preferably of thermoplastic synthetic resins |
| EP0113071A1 (en) * | 1982-12-06 | 1984-07-11 | Borg-Warner Chemicals Inc. | Coextrusion feedblock for making lightweight, rigid thermoplastic pipe |