JPS5876718U - Inflation film molding die - Google Patents

Inflation film molding die

Info

Publication number
JPS5876718U
JPS5876718U JP1981171655U JP17165581U JPS5876718U JP S5876718 U JPS5876718 U JP S5876718U JP 1981171655 U JP1981171655 U JP 1981171655U JP 17165581 U JP17165581 U JP 17165581U JP S5876718 U JPS5876718 U JP S5876718U
Authority
JP
Japan
Prior art keywords
film molding
molding die
inflation film
spiral groove
blown 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.)
Granted
Application number
JP1981171655U
Other languages
Japanese (ja)
Other versions
JPS6234746Y2 (en
Inventor
岩井　昭之
Original Assignee
出光石油化学株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 出光石油化学株式会社 filed Critical 出光石油化学株式会社
Priority to JP1981171655U priority Critical patent/JPS5876718U/en
Publication of JPS5876718U publication Critical patent/JPS5876718U/en
Application granted granted Critical
Publication of JPS6234746Y2 publication Critical patent/JPS6234746Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Extrusion Moulding Of Plastics Or 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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来のインフレーションフィルム成形用グイの
文体構成を示す断面図、第２図は前記従来例の螺旋溝の
展開図、第３図は本考案によるインフレーションフィル
ム成形用ダイの一実施例の全体構成を示す断面図、第４
図は前記実施例における螺旋溝の展開図である。 １１・・・グイ本体、１３・・・マンドレル、２７・・
・マニホールド部、３３・・・螺旋溝開始部の連通口、
”３４・・・螺旋溝。FIG. 1 is a sectional view showing the stylistic structure of a conventional blown film molding die, FIG. 2 is a developed view of the spiral groove of the conventional example, and FIG. 3 is an embodiment of a blown film molding die according to the present invention. Sectional view showing the overall configuration, No. 4
The figure is a developed view of the spiral groove in the embodiment. 11... Gui body, 13... Mandrel, 27...
・Manifold part, 33... Communication port of spiral groove starting part,
``34...Spiral groove.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] マンドレル外周に螺旋溝が刻設されたインフレーション
フィルム成形用グイにおいで、溶融樹脂の螺旋溝に沿っ
て流れるチャンネルフローの流量が螺旋溝開始部での流
量の１％〜５０％となる部分で螺旋溝は終了するととも
にマニホールド部よと連通していることを特徴とするイ
ンフレーションフィルム成形用グイ。In a blown film molding goo with a spiral groove carved on the outer periphery of the mandrel, the flow rate of the channel flow of molten resin along the spiral groove is 1% to 50% of the flow rate at the start of the spiral groove. A goo for forming blown film, characterized in that the groove ends and communicates with a manifold part.
JP1981171655U 1981-11-18 1981-11-18 Inflation film molding die Granted JPS5876718U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981171655U JPS5876718U (en) 1981-11-18 1981-11-18 Inflation film molding die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981171655U JPS5876718U (en) 1981-11-18 1981-11-18 Inflation film molding die

Publications (2)

Publication Number Publication Date
JPS5876718U true JPS5876718U (en) 1983-05-24
JPS6234746Y2 JPS6234746Y2 (en) 1987-09-04

Family

ID=29963571

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981171655U Granted JPS5876718U (en) 1981-11-18 1981-11-18 Inflation film molding die

Country Status (1)

Country Link
JP (1) JPS5876718U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56123217U (en) * 1980-02-20 1981-09-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56123217U (en) * 1980-02-20 1981-09-19

Also Published As

Publication number Publication date
JPS6234746Y2 (en) 1987-09-04

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