JPH0154182B2 - - Google Patents
Info
- Publication number
- JPH0154182B2 JPH0154182B2 JP62025324A JP2532487A JPH0154182B2 JP H0154182 B2 JPH0154182 B2 JP H0154182B2 JP 62025324 A JP62025324 A JP 62025324A JP 2532487 A JP2532487 A JP 2532487A JP H0154182 B2 JPH0154182 B2 JP H0154182B2
- Authority
- JP
- Japan
- Prior art keywords
- air
- resin
- air ring
- slit
- thermoplastic resin
- 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
Links
- 238000001125 extrusion Methods 0.000 claims description 48
- 238000001816 cooling Methods 0.000 claims description 31
- 229920005992 thermoplastic resin Polymers 0.000 claims description 22
- 238000000465 moulding Methods 0.000 claims description 21
- 229920005989 resin Polymers 0.000 description 57
- 239000011347 resin Substances 0.000 description 57
- 239000010408 film Substances 0.000 description 18
- 230000002093 peripheral effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000005192 partition Methods 0.000 description 7
- 229920001903 high density polyethylene Polymers 0.000 description 5
- 239000004700 high-density polyethylene Substances 0.000 description 5
- -1 polypropylene Polymers 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 102100025490 Slit homolog 1 protein Human genes 0.000 description 1
- 101710123186 Slit homolog 1 protein Proteins 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000010409 thin film Substances 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)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62025324A JPS62246714A (ja) | 1987-02-04 | 1987-02-04 | エア−リング |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62025324A JPS62246714A (ja) | 1987-02-04 | 1987-02-04 | エア−リング |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56191011A Division JPS5892528A (ja) | 1981-11-28 | 1981-11-28 | 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62246714A JPS62246714A (ja) | 1987-10-27 |
| JPH0154182B2 true JPH0154182B2 (de) | 1989-11-17 |
Family
ID=12162789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62025324A Granted JPS62246714A (ja) | 1987-02-04 | 1987-02-04 | エア−リング |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62246714A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5562926A (en) * | 1991-05-10 | 1996-10-08 | Karl; Veit-Holger | Film-blowing plant for manufacturing plastic films |
-
1987
- 1987-02-04 JP JP62025324A patent/JPS62246714A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62246714A (ja) | 1987-10-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4632801A (en) | Blown film extrusion | |
| US4472343A (en) | Tubular film process | |
| US4606879A (en) | High stalk blown film extrusion apparatus and method | |
| CA1109216A (en) | Air ring for the production of blown film | |
| EP0340335B1 (de) | Hochleistungskühlverfahren und Vorrichtung für die Herstellung von bi-orientierten Folien aus hoch- und mittelmolaren Thermoplasten | |
| US4022558A (en) | Apparatus for the extrusion of tubular thermo-plastic film | |
| US4259047A (en) | Air ring for the production of blown film | |
| US4174932A (en) | Apparatus for extruding tubular thermoplastic film | |
| US3867083A (en) | Shape imposition apparatus for the extrusion of tubular thermoplastic film | |
| CA1274366A (en) | Bubble forming and stabilizing device for use in a continuous extrusion process for making a blown film | |
| US4478564A (en) | Air ring for inflation film molding | |
| US3207823A (en) | Production of flattened tubular plastic film | |
| JPH0147286B2 (de) | ||
| JPH0154182B2 (de) | ||
| EP0077661A2 (de) | Verfahren und Vorrichtung zum Herstellen einer Kunststoffolie | |
| CA1097862A (en) | Tubular extrusion apparatus | |
| US4204819A (en) | Shaping apparatus for tubular film | |
| JPH0247339B2 (de) | ||
| JPH0152171B2 (de) | ||
| JPS5837138B2 (ja) | インフレ−シヨンフイルムノセイケイソウチ | |
| JPH0513550Y2 (de) | ||
| CA1099467A (en) | Method and apparatus for shaping of tubular film | |
| CA1060164A (en) | Shaping apparatus for the extrusion of tubular thermoplastic film | |
| JPH0247338B2 (de) | ||
| JPH0551452B2 (de) |