FR2321999B3 - - Google Patents
Info
- Publication number
- FR2321999B3 FR2321999B3 FR7625521A FR7625521A FR2321999B3 FR 2321999 B3 FR2321999 B3 FR 2321999B3 FR 7625521 A FR7625521 A FR 7625521A FR 7625521 A FR7625521 A FR 7625521A FR 2321999 B3 FR2321999 B3 FR 2321999B3
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/908—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
- B29C48/902—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies internally
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752537588 DE2537588A1 (de) | 1975-08-23 | 1975-08-23 | Vorrichtung zur herstellung spannungsarmer rohre aus thermoplastischem kunststoff |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2321999A1 FR2321999A1 (fr) | 1977-03-25 |
FR2321999B3 true FR2321999B3 (zh) | 1979-05-18 |
Family
ID=5954675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7625521A Granted FR2321999A1 (fr) | 1975-08-23 | 1976-08-23 | Dispositif pour la fabrication de tuyaux en matiere thermoplastique, a faibles tensions internes |
Country Status (10)
Country | Link |
---|---|
BE (1) | BE845423R (zh) |
DE (1) | DE2537588A1 (zh) |
DK (1) | DK378076A (zh) |
FI (1) | FI762389A (zh) |
FR (1) | FR2321999A1 (zh) |
IT (1) | IT1076936B (zh) |
LU (1) | LU75639A1 (zh) |
NL (1) | NL7609277A (zh) |
NO (1) | NO762883L (zh) |
SE (1) | SE7609280L (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040047932A1 (en) * | 2002-09-09 | 2004-03-11 | Lupke Manfred A. A. | Pipe mold apparatus with contact and air cooling of plastic in a mold tunnel |
-
1975
- 1975-08-23 DE DE19752537588 patent/DE2537588A1/de active Pending
-
1976
- 1976-08-20 IT IT26396/76A patent/IT1076936B/it active
- 1976-08-20 LU LU75639A patent/LU75639A1/xx unknown
- 1976-08-20 NL NL7609277A patent/NL7609277A/xx not_active Application Discontinuation
- 1976-08-20 FI FI762389A patent/FI762389A/fi not_active Application Discontinuation
- 1976-08-20 DK DK378076A patent/DK378076A/da unknown
- 1976-08-20 NO NO762883A patent/NO762883L/no unknown
- 1976-08-20 SE SE7609280A patent/SE7609280L/xx unknown
- 1976-08-23 BE BE169998A patent/BE845423R/xx active
- 1976-08-23 FR FR7625521A patent/FR2321999A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FI762389A (zh) | 1977-02-24 |
LU75639A1 (zh) | 1977-03-31 |
DE2537588A1 (de) | 1977-02-24 |
BE845423R (fr) | 1976-12-16 |
IT1076936B (it) | 1985-04-27 |
NO762883L (zh) | 1977-02-24 |
NL7609277A (nl) | 1977-02-25 |
FR2321999A1 (fr) | 1977-03-25 |
DK378076A (da) | 1977-02-24 |
SE7609280L (sv) | 1977-02-24 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |