IT1076936B - Dispositivo per fabbricare tubi di materia artificiale termoplastica con modiche tensioni interne - Google Patents
Dispositivo per fabbricare tubi di materia artificiale termoplastica con modiche tensioni interneInfo
- Publication number
- IT1076936B IT1076936B IT26396/76A IT2639676A IT1076936B IT 1076936 B IT1076936 B IT 1076936B IT 26396/76 A IT26396/76 A IT 26396/76A IT 2639676 A IT2639676 A IT 2639676A IT 1076936 B IT1076936 B IT 1076936B
- Authority
- IT
- Italy
- Prior art keywords
- internal voltages
- modern internal
- manufacturing thermoplastic
- thermoplastic artificial
- artificial tubes
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 229920001169 thermoplastic Polymers 0.000 title 1
- 239000004416 thermosoftening plastic Substances 0.000 title 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
- 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 (1)
| Publication Number | Publication Date |
|---|---|
| IT1076936B true IT1076936B (it) | 1985-04-27 |
Family
ID=5954675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT26396/76A IT1076936B (it) | 1975-08-23 | 1976-08-20 | Dispositivo per fabbricare tubi di materia artificiale termoplastica con modiche tensioni interne |
Country Status (10)
| Country | Link |
|---|---|
| BE (1) | BE845423R (enrdf_load_stackoverflow) |
| DE (1) | DE2537588A1 (enrdf_load_stackoverflow) |
| DK (1) | DK378076A (enrdf_load_stackoverflow) |
| FI (1) | FI762389A7 (enrdf_load_stackoverflow) |
| FR (1) | FR2321999A1 (enrdf_load_stackoverflow) |
| IT (1) | IT1076936B (enrdf_load_stackoverflow) |
| LU (1) | LU75639A1 (enrdf_load_stackoverflow) |
| NL (1) | NL7609277A (enrdf_load_stackoverflow) |
| NO (1) | NO762883L (enrdf_load_stackoverflow) |
| SE (1) | SE7609280L (enrdf_load_stackoverflow) |
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 DK DK378076A patent/DK378076A/da unknown
- 1976-08-20 IT IT26396/76A patent/IT1076936B/it active
- 1976-08-20 NL NL7609277A patent/NL7609277A/xx not_active Application Discontinuation
- 1976-08-20 NO NO762883A patent/NO762883L/no unknown
- 1976-08-20 SE SE7609280A patent/SE7609280L/xx unknown
- 1976-08-20 LU LU75639A patent/LU75639A1/xx unknown
- 1976-08-20 FI FI762389A patent/FI762389A7/fi not_active Application Discontinuation
- 1976-08-23 FR FR7625521A patent/FR2321999A1/fr active Granted
- 1976-08-23 BE BE169998A patent/BE845423R/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| SE7609280L (sv) | 1977-02-24 |
| FR2321999B3 (enrdf_load_stackoverflow) | 1979-05-18 |
| FR2321999A1 (fr) | 1977-03-25 |
| FI762389A7 (enrdf_load_stackoverflow) | 1977-02-24 |
| DK378076A (da) | 1977-02-24 |
| LU75639A1 (enrdf_load_stackoverflow) | 1977-03-31 |
| NL7609277A (nl) | 1977-02-25 |
| BE845423R (fr) | 1976-12-16 |
| DE2537588A1 (de) | 1977-02-24 |
| NO762883L (enrdf_load_stackoverflow) | 1977-02-24 |
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