JPS63144443U - - Google Patents
Info
- Publication number
- JPS63144443U JPS63144443U JP3562987U JP3562987U JPS63144443U JP S63144443 U JPS63144443 U JP S63144443U JP 3562987 U JP3562987 U JP 3562987U JP 3562987 U JP3562987 U JP 3562987U JP S63144443 U JPS63144443 U JP S63144443U
- Authority
- JP
- Japan
- Prior art keywords
- film
- coextrusion
- annular thermoplastic
- extruded
- plastic film
- 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.)
- Pending
Links
- 229920001169 thermoplastic Polymers 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 229920006255 plastic film Polymers 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Bag Frames (AREA)
Description
添付図面は本考案を説明するためのもので、第
１図は本考案になる包装袋材料を得るための工程
の一例を示す略線図、第２図は第１図のＸ―Ｘに
おける環状熱可塑性プラスチツクフイルムの横断
面図、第３図は第１図のＹ―Ｙにおいて環状熱可
塑性プラスチツクフイルムが扁平化されて扁平複
数層フイルムとされて本考案になる包装袋材料と
なつたものの一例を示す縦断側面図である。
Ａ：環状外層フイルム、Ｂ：環状内層フイルム
、Ｃ：扁平複数層フイルム、５：密着部、６：非
密着部。
The accompanying drawings are for explaining the present invention. Figure 1 is a schematic diagram showing an example of the process for obtaining the packaging bag material of the present invention, and Figure 2 is a diagram showing an annular shape taken along line XX in Figure 1. A cross-sectional view of a thermoplastic plastic film, FIG. 3 is an example of the packaging bag material of the present invention obtained by flattening the annular thermoplastic film at Y-Y in FIG. 1 to form a flat multilayer film. FIG. A: Annular outer layer film, B: Annular inner layer film, C: Flat multilayer film, 5: Adhering portion, 6: Non-adhering portion.
Claims (1)
つて押出される内外２層の環状熱可塑性プラスチ
ツクフイルムが挾圧されて扁平化された扁平複数
層フイルムであつて、前記内外２層の環状熱可塑
性プラスチツクフイルムのうち内層の環状熱可塑
性プラスチツクフイルムは内層同志が互に部分的
に密着して一体化されていることを特徴とするプ
ラスチツクフイルム製包装袋材料。 A flat multi-layer film in which two inner and outer annular thermoplastic films extruded by an inflation method and coextrusion are compressed and flattened, the inner and outer annular thermoplastic films being extruded by coextrusion. A plastic film packaging bag material characterized in that the inner layer of the film is an annular thermoplastic plastic film, and the inner layers are partially in close contact with each other and are integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3562987U JPS63144443U (en) | 1987-03-11 | 1987-03-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3562987U JPS63144443U (en) | 1987-03-11 | 1987-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63144443U true JPS63144443U (en) | 1988-09-22 |
Family
ID=30845287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3562987U Pending JPS63144443U (en) | 1987-03-11 | 1987-03-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63144443U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56151555A (en) * | 1980-04-28 | 1981-11-24 | Nihon Matai Co Ltd | Material for composite sheet and its manufacture |
| JPS59192562A (en) * | 1983-04-18 | 1984-10-31 | 河西工業株式会社 | Laminated film |
| JPS60198226A (en) * | 1984-03-23 | 1985-10-07 | Mitsui Toatsu Chem Inc | Preparation of multi-layered film |
-
1987
- 1987-03-11 JP JP3562987U patent/JPS63144443U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56151555A (en) * | 1980-04-28 | 1981-11-24 | Nihon Matai Co Ltd | Material for composite sheet and its manufacture |
| JPS59192562A (en) * | 1983-04-18 | 1984-10-31 | 河西工業株式会社 | Laminated film |
| JPS60198226A (en) * | 1984-03-23 | 1985-10-07 | Mitsui Toatsu Chem Inc | Preparation of multi-layered film |
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