JPS5892023U - Inflation film forming equipment - Google Patents
Inflation film forming equipmentInfo
- Publication number
- JPS5892023U JPS5892023U JP18746881U JP18746881U JPS5892023U JP S5892023 U JPS5892023 U JP S5892023U JP 18746881 U JP18746881 U JP 18746881U JP 18746881 U JP18746881 U JP 18746881U JP S5892023 U JPS5892023 U JP S5892023U
- Authority
- JP
- Japan
- Prior art keywords
- slit
- film forming
- guide tube
- air ring
- forming apparatus
- 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
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案のインフレーションフィルム成形装置の
一例の縦断面図、第２図は第１図に示した装置のりツブ
シールを示す部分縦断面図、第３図疎び第４図は本考案
のりツブシールの他の一例を示す第２図と同様の図面、
第５図は第２図に示したリップシールのスリット部分を
拡大して示す部分縦断面図、第６図イル二はリップシー
ルの連結ピンの一例を示す断面図である。
図中１はインフレーションフィルム成形装置、２はグイ
、３は円形スリツ十、４は筒状フィルム、５はエアーリ
ング、６はリップシール、７はスリット、８は連結ピン
、１３は案内筒をそれぞれ示す。
（４） （ロ）Fig. 1 is a longitudinal sectional view of an example of the blown film forming apparatus of the present invention, Fig. 2 is a partial longitudinal sectional view showing the glue lug seal of the apparatus shown in Fig. A drawing similar to FIG. 2 showing another example of the tube seal,
FIG. 5 is a partial longitudinal sectional view showing an enlarged slit portion of the lip seal shown in FIG. 2, and FIG. 6 is a sectional view showing an example of a connecting pin of the lip seal. In the figure, 1 is a blown film forming device, 2 is a guide, 3 is a circular slit, 4 is a cylindrical film, 5 is an air ring, 6 is a lip seal, 7 is a slit, 8 is a connecting pin, and 13 is a guide cylinder. show. (4) (b)
Claims (4)
才と、円形スリットを囲繞するように設けられたエアー
リングと、円形スリットとエアーリングとの間に円形ス
リットから押出された筒状フィルムを囲繞するように鰻
けられたリップシールと、該リップシールを囲繞するよ
うにエアーリング上にｉけられた案内筒とからなるイン
フレーションフィルム成形装置であって、前記リップシ
ールには、リップシールを貫通し、筒状フィルムを囲繞
するスリットを設け、該スリットのりツブシール外面か
ら直線的に測れるスリット流路長とスリット幅との比を
３〜１２とし、かつスリットのりツブシール外面に開口
するスリットの方向とエアーリングから吹出される気流
の方向との交差角を９０°未満とし、前記案内筒は筒状
フィルムの引取方向に向って開いた構造とされており、
該案内筒と垂直方向とのなす角度を１０〜４５″とする
ことを特徴とするインフレーションフィルム成形装置。(1) An inflation molding device having a circular slit, an air ring provided to surround the circular slit, and a cylindrical film extruded from the circular slit between the circular slit and the air ring. A blown film forming device comprising a lip seal cut into an air ring and a guide tube cut into an air ring to surround the lip seal, A slit surrounding the cylindrical film is provided, the ratio of the slit flow path length measured linearly from the outer surface of the slit glue tube seal to the slit width is 3 to 12, and the direction of the slit and the air ring that open to the outer surface of the slit glue tube seal are set. The intersecting angle with the direction of the airflow blown out from the guide tube is less than 90°, and the guide tube has a structure that opens in the direction in which the cylindrical film is taken.
A blown film forming apparatus characterized in that the angle between the guide tube and the vertical direction is 10 to 45''.
り、この２つの筒状部材を間隙を設けて連結ピンにより
連結した構造とされていることを特徴とする実用新案登
録請求の範囲第１項に記載のインフレーションフィルム
成形装置。(2) The lip seal is composed of two cylindrical members, and the two cylindrical members are connected by a connecting pin with a gap between them. The blown film forming apparatus according to item 1.
最大径をスリットの幅のＯ０８以下としたことを特徴と
する実用新案登録請求の範囲第２項に記載のインフレー
ションフィルム成形装置。(3) The blown film forming apparatus according to claim 2, wherein the maximum diameter of the slit of the connecting pin in the direction perpendicular to the airflow direction is equal to or less than O08 of the width of the slit.
り高くすることを特徴とする実用新案登録請求の範囲第
１項に記載のインフレーションフィルム成形装置。(4) The blown film forming apparatus according to claim 1, wherein the tip of the guide tube is located higher than the tip of the lip seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18746881U JPS5892023U (en) | 1981-12-16 | 1981-12-16 | Inflation film forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18746881U JPS5892023U (en) | 1981-12-16 | 1981-12-16 | Inflation film forming equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5892023U true JPS5892023U (en) | 1983-06-22 |
Family
ID=29990299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18746881U Pending JPS5892023U (en) | 1981-12-16 | 1981-12-16 | Inflation film forming equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5892023U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6185425U (en) * | 1984-11-09 | 1986-06-05 |
-
1981
- 1981-12-16 JP JP18746881U patent/JPS5892023U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6185425U (en) * | 1984-11-09 | 1986-06-05 |
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