JPH0447611B2 - - Google Patents
Info
- Publication number
- JPH0447611B2 JPH0447611B2 JP13211584A JP13211584A JPH0447611B2 JP H0447611 B2 JPH0447611 B2 JP H0447611B2 JP 13211584 A JP13211584 A JP 13211584A JP 13211584 A JP13211584 A JP 13211584A JP H0447611 B2 JPH0447611 B2 JP H0447611B2
- Authority
- JP
- Japan
- Prior art keywords
- cooling device
- tubular parison
- air flow
- opening
- air
- 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
- 238000001816 cooling Methods 0.000 claims description 41
- 239000000463 material Substances 0.000 claims description 22
- 238000007664 blowing Methods 0.000 claims description 16
- -1 polyethylene Polymers 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- 125000006850 spacer group Chemical group 0.000 claims description 12
- 239000004698 Polyethylene Substances 0.000 claims description 11
- 229920000573 polyethylene Polymers 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 9
- 239000002985 plastic film Substances 0.000 claims description 6
- 229920006255 plastic film Polymers 0.000 claims description 6
- 238000000071 blow moulding Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 229920001748 polybutylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 11
- 230000003287 optical effect Effects 0.000 description 8
- 238000005259 measurement Methods 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 229920000092 linear low density polyethylene Polymers 0.000 description 3
- 239000004707 linear low-density polyethylene Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 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
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
- B29C48/912—Cooling of hollow articles of tubular films
- B29C48/913—Cooling of hollow articles of tubular films externally
-
- 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
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)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8310721 | 1983-06-29 | ||
| FR8310721A FR2548085B1 (fr) | 1983-06-29 | 1983-06-29 | Dispositif de refroidissement et procede de fabrication de feuilles plastiques obtenues par soufflage de gaine |
| FR8408123 | 1984-05-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6048326A JPS6048326A (ja) | 1985-03-16 |
| JPH0447611B2 true JPH0447611B2 (da) | 1992-08-04 |
Family
ID=9290284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59132115A Granted JPS6048326A (ja) | 1983-06-29 | 1984-06-28 | 管状パリソンの冷却装置と、それを用いたプラスチックフイルムの製造方法 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS6048326A (da) |
| FR (1) | FR2548085B1 (da) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101327815B1 (ko) * | 2012-07-16 | 2013-11-08 | 강소대 | 압축공기발생기 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0764025B2 (ja) * | 1986-06-03 | 1995-07-12 | 旭化成工業株式会社 | インフレ−シヨン用冷却装置 |
| CN118024549B (zh) * | 2024-04-10 | 2024-06-11 | 培迪新材料科技(江苏)有限责任公司 | 一种模头风环机构及吹膜机 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2256942A1 (de) * | 1972-11-21 | 1974-05-22 | Reifenhaeuser Kg | Vorrichtung zur herstellung von blasfolien |
| CH594490A5 (en) * | 1976-06-18 | 1978-01-13 | Oerlikon Buehrle Ag | High strength thermoplastic film tubing |
| JPS538339A (en) * | 1976-07-12 | 1978-01-25 | Hitachi Shipbuilding Eng Co | Means for welding narrow groove |
| FR2428803A1 (fr) * | 1978-06-12 | 1980-01-11 | Pont A Mousson | Dispositif de refroidissement, notamment pour le refroidissement exterieur de gaines tubulaires en matiere plastique obtenues par extrusion-soufflage |
| JPS5637122A (en) * | 1979-09-01 | 1981-04-10 | Gunze Ltd | Method and apparatus for production of stretched tubular film |
| JPS5865630A (ja) * | 1981-10-16 | 1983-04-19 | Nippon Yunikaa Kk | インフレ−シヨンフイルムの成形方法および装置 |
-
1983
- 1983-06-29 FR FR8310721A patent/FR2548085B1/fr not_active Expired
-
1984
- 1984-06-28 JP JP59132115A patent/JPS6048326A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101327815B1 (ko) * | 2012-07-16 | 2013-11-08 | 강소대 | 압축공기발생기 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6048326A (ja) | 1985-03-16 |
| FR2548085A1 (fr) | 1985-01-04 |
| FR2548085B1 (fr) | 1985-12-27 |
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