JPH0340689B2 - - Google Patents
Info
- Publication number
- JPH0340689B2 JPH0340689B2 JP57101968A JP10196882A JPH0340689B2 JP H0340689 B2 JPH0340689 B2 JP H0340689B2 JP 57101968 A JP57101968 A JP 57101968A JP 10196882 A JP10196882 A JP 10196882A JP H0340689 B2 JPH0340689 B2 JP H0340689B2
- Authority
- JP
- Japan
- Prior art keywords
- cooling
- ethylene
- molding
- bubble
- cooling ring
- 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
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
- B29C48/885—External treatment, e.g. by using air rings for cooling tubular films
-
- 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)
- Manufacture Of Macromolecular Shaped Articles (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 |
---|---|---|---|
JP57101968A JPS58219021A (ja) | 1982-06-16 | 1982-06-16 | インフレーションフィルムの成形法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57101968A JPS58219021A (ja) | 1982-06-16 | 1982-06-16 | インフレーションフィルムの成形法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58219021A JPS58219021A (ja) | 1983-12-20 |
JPH0340689B2 true JPH0340689B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-06-19 |
Family
ID=14314663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57101968A Granted JPS58219021A (ja) | 1982-06-16 | 1982-06-16 | インフレーションフィルムの成形法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58219021A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5975017U (ja) * | 1982-11-12 | 1984-05-22 | 株式会社プラコー | バブル冷却装置 |
CA1239261A (en) * | 1984-04-09 | 1988-07-19 | Quantum Chemical Corporation | Blown film extrusion |
US4626397A (en) * | 1984-10-29 | 1986-12-02 | Union Camp Corporation | Method for controlled orientation of extruded resins |
JPH0698680B2 (ja) * | 1985-04-05 | 1994-12-07 | 三菱化成株式会社 | 線状低密度ポリエチレンインフレ−シヨンフイルムの成形方法 |
JPH0617925U (ja) * | 1992-08-06 | 1994-03-08 | 昭和電工株式会社 | エアリング |
CA2629990C (en) * | 2007-04-17 | 2011-07-19 | Kdesign Gmbh | A method of and device for cooling blown film during the production of blown film |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5892528A (ja) * | 1981-11-28 | 1983-06-01 | Idemitsu Petrochem Co Ltd | エア−リングおよび前記エア−リングを用いたインフレ−シヨンフイルム成形方法 |
JPS58222819A (ja) * | 1982-06-21 | 1983-12-24 | Idemitsu Petrochem Co Ltd | インフレ−シヨンフイルムの成形方法 |
JPS58191126A (ja) * | 1982-05-04 | 1983-11-08 | Modern Mach Kk | インフレ−シヨンフイルムの冷却装置 |
-
1982
- 1982-06-16 JP JP57101968A patent/JPS58219021A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58219021A (ja) | 1983-12-20 |