NO762883L - - Google Patents
Info
- Publication number
- NO762883L NO762883L NO762883A NO762883A NO762883L NO 762883 L NO762883 L NO 762883L NO 762883 A NO762883 A NO 762883A NO 762883 A NO762883 A NO 762883A NO 762883 L NO762883 L NO 762883L
- Authority
- NO
- Norway
- Prior art keywords
- cooling
- cooling body
- pipe
- plastic pipe
- plastic
- Prior art date
Links
- 238000001816 cooling Methods 0.000 claims description 43
- 239000004033 plastic Substances 0.000 claims description 17
- 229920003023 plastic Polymers 0.000 claims description 17
- 238000001125 extrusion Methods 0.000 claims description 8
- 229920001169 thermoplastic Polymers 0.000 claims description 8
- 239000004416 thermosoftening plastic Substances 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004792 oxidative damage Effects 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 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 |
|---|---|
| NO762883L true NO762883L (enrdf_load_stackoverflow) | 1977-02-24 |
Family
ID=5954675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO762883A NO762883L (enrdf_load_stackoverflow) | 1975-08-23 | 1976-08-20 |
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 |
| IT1076936B (it) | 1985-04-27 |
| LU75639A1 (enrdf_load_stackoverflow) | 1977-03-31 |
| NL7609277A (nl) | 1977-02-25 |
| BE845423R (fr) | 1976-12-16 |
| DE2537588A1 (de) | 1977-02-24 |
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