JPS5587532A - Production of synthetic resin band for heavy package - Google Patents
Production of synthetic resin band for heavy packageInfo
- Publication number
- JPS5587532A JPS5587532A JP16193478A JP16193478A JPS5587532A JP S5587532 A JPS5587532 A JP S5587532A JP 16193478 A JP16193478 A JP 16193478A JP 16193478 A JP16193478 A JP 16193478A JP S5587532 A JPS5587532 A JP S5587532A
- Authority
- JP
- Japan
- Prior art keywords
- band
- rolls
- blank
- factor
- preheated
- 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.)
- Granted
Links
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
PURPOSE: To provide a titled material of high toughness and perfectly free of longitudinal cracks by a method wherein an extruded blank material consisting of polypropylene and a propylene/ethylene copolymer is cooled, preheated, and then rolled and simultaneously drawn to a specified deforming factor.
CONSTITUTION: A material consisting of polypropylene and a propylene/ethylene copolymer at a ratio of 1:2 is added with a filler such as calcium carbonate, charged from a hopper 2 into an extruder 1, heated to a temperature of about 22°C to melt, extruded through a metal die 3, and passed through a cooling tank 5 to obtain a blank band 4. The blank band 4 is passed from first take-up rolls 6 through a heating tank 7, where it is preheated to a temperature of 80W110°C, and biaxially rolled by a rolling mill 8 to form a band member 10. Simultaneously, the band 10 is taken up by second take-up rolls 9 and drawn to a drawing factor of more than 3, leading to a total deforming factor ranging from 2W5. Further, as needed, the bad band member 10 may be embossed by embossing rolls 11 to obtain the objective material.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53161934A JPS5842012B2 (en) | 1978-12-27 | 1978-12-27 | Manufacturing method of synthetic resin band for heavy packaging |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53161934A JPS5842012B2 (en) | 1978-12-27 | 1978-12-27 | Manufacturing method of synthetic resin band for heavy packaging |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5587532A true JPS5587532A (en) | 1980-07-02 |
JPS5842012B2 JPS5842012B2 (en) | 1983-09-16 |
Family
ID=15744806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53161934A Expired JPS5842012B2 (en) | 1978-12-27 | 1978-12-27 | Manufacturing method of synthetic resin band for heavy packaging |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5842012B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6445268A (en) * | 1987-08-07 | 1989-02-17 | Ube Nitto Kasei Co | Plastic band for packing |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5090645A (en) * | 1973-12-14 | 1975-07-19 | ||
JPS5277180A (en) * | 1975-12-23 | 1977-06-29 | Nippon Petrochemicals Co Ltd | Method of manufacturing highly elongated poly olefin film |
JPS538675A (en) * | 1976-07-13 | 1978-01-26 | Nippon Petrochemicals Co Ltd | Method for elongation of thermo plastic resin sheet or film |
JPS5367781A (en) * | 1976-11-29 | 1978-06-16 | Sekisui Jushi Kk | Production of thermoplastic resin band |
-
1978
- 1978-12-27 JP JP53161934A patent/JPS5842012B2/en not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5090645A (en) * | 1973-12-14 | 1975-07-19 | ||
JPS5277180A (en) * | 1975-12-23 | 1977-06-29 | Nippon Petrochemicals Co Ltd | Method of manufacturing highly elongated poly olefin film |
JPS538675A (en) * | 1976-07-13 | 1978-01-26 | Nippon Petrochemicals Co Ltd | Method for elongation of thermo plastic resin sheet or film |
JPS5367781A (en) * | 1976-11-29 | 1978-06-16 | Sekisui Jushi Kk | Production of thermoplastic resin band |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6445268A (en) * | 1987-08-07 | 1989-02-17 | Ube Nitto Kasei Co | Plastic band for packing |
Also Published As
Publication number | Publication date |
---|---|
JPS5842012B2 (en) | 1983-09-16 |
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