JPH0221377B2 - - Google Patents
Info
- Publication number
- JPH0221377B2 JPH0221377B2 JP57052824A JP5282482A JPH0221377B2 JP H0221377 B2 JPH0221377 B2 JP H0221377B2 JP 57052824 A JP57052824 A JP 57052824A JP 5282482 A JP5282482 A JP 5282482A JP H0221377 B2 JPH0221377 B2 JP H0221377B2
- Authority
- JP
- Japan
- Prior art keywords
- section
- condensate
- resin
- extrusion die
- pipe
- Prior art date
- 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 - Lifetime
Links
- 229920005989 resin Polymers 0.000 claims description 52
- 239000011347 resin Substances 0.000 claims description 52
- 238000001816 cooling Methods 0.000 claims description 34
- 238000001125 extrusion Methods 0.000 claims description 26
- 238000001704 evaporation Methods 0.000 claims description 24
- 238000000465 moulding Methods 0.000 claims description 18
- 239000012530 fluid Substances 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 230000008020 evaporation Effects 0.000 description 15
- 230000000694 effects Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 7
- 230000017525 heat dissipation Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000004711 α-olefin Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B29C48/89—Internal treatment, e.g. by applying an internal cooling fluid stream
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
- B29C48/912—Cooling of hollow articles of tubular films
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57052824A JPS58168521A (ja) | 1982-03-31 | 1982-03-31 | インフレ−シヨン成形用冷却装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57052824A JPS58168521A (ja) | 1982-03-31 | 1982-03-31 | インフレ−シヨン成形用冷却装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58168521A JPS58168521A (ja) | 1983-10-04 |
| JPH0221377B2 true JPH0221377B2 (enExample) | 1990-05-14 |
Family
ID=12925596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57052824A Granted JPS58168521A (ja) | 1982-03-31 | 1982-03-31 | インフレ−シヨン成形用冷却装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58168521A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7393182B2 (ja) * | 2019-10-31 | 2023-12-06 | 住友重機械工業株式会社 | インフレーション成形装置 |
-
1982
- 1982-03-31 JP JP57052824A patent/JPS58168521A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58168521A (ja) | 1983-10-04 |
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