FR2377878B3 - - Google Patents
Info
- Publication number
- FR2377878B3 FR2377878B3 FR7701668A FR7701668A FR2377878B3 FR 2377878 B3 FR2377878 B3 FR 2377878B3 FR 7701668 A FR7701668 A FR 7701668A FR 7701668 A FR7701668 A FR 7701668A FR 2377878 B3 FR2377878 B3 FR 2377878B3
- 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
- B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7701668A FR2377878A1 (fr) | 1977-01-21 | 1977-01-21 | Perfectionnement aux tetes d'extrusion pour films tubulaires en matiere plastique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7701668A FR2377878A1 (fr) | 1977-01-21 | 1977-01-21 | Perfectionnement aux tetes d'extrusion pour films tubulaires en matiere plastique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2377878A1 FR2377878A1 (fr) | 1978-08-18 |
| FR2377878B3 true FR2377878B3 (US08188275-20120529-C00054.png) | 1979-09-21 |
Family
ID=9185751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7701668A Granted FR2377878A1 (fr) | 1977-01-21 | 1977-01-21 | Perfectionnement aux tetes d'extrusion pour films tubulaires en matiere plastique |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2377878A1 (US08188275-20120529-C00054.png) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3910493A1 (de) * | 1989-04-01 | 1990-10-04 | Erich Beck | Extrusionsduese fuer blasfolien- und rohrproduktionen aus thermoplastischen kunststoffen |
| US5531952A (en) * | 1994-12-27 | 1996-07-02 | James River Paper Company, Inc. | Method and apparatus for forming tubular plastic film |
| CN114633454A (zh) * | 2022-03-26 | 2022-06-17 | 江苏君华特种工程塑料制品有限公司 | 一种peek管材生产用挤出机头及peek管材生产工艺 |
-
1977
- 1977-01-21 FR FR7701668A patent/FR2377878A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2377878A1 (fr) | 1978-08-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CA | Change of address | ||
| TP | Transmission of property |