TW200708389A - Inflation film producing apparatus - Google Patents

Inflation film producing apparatus

Info

Publication number
TW200708389A
TW200708389A TW094129103A TW94129103A TW200708389A TW 200708389 A TW200708389 A TW 200708389A TW 094129103 A TW094129103 A TW 094129103A TW 94129103 A TW94129103 A TW 94129103A TW 200708389 A TW200708389 A TW 200708389A
Authority
TW
Taiwan
Prior art keywords
cooling air
tube
circular
synthetic resin
molten synthetic
Prior art date
Application number
TW094129103A
Other languages
Chinese (zh)
Other versions
TWI277503B (en
Inventor
Akira Shimizu
Original Assignee
Akira Shimizu
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 Akira Shimizu filed Critical Akira Shimizu
Priority to TW094129103A priority Critical patent/TWI277503B/en
Publication of TW200708389A publication Critical patent/TW200708389A/en
Application granted granted Critical
Publication of TWI277503B publication Critical patent/TWI277503B/en

Links

Landscapes

  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

This invention relates to an inflation film producing apparatus which an air ring is provided at a position above a molding die so as to surround a circular slit and cooling air is blown from the air ring to the outer periphery of a tube-like molten synthetic resin which is extruded from the circular slit of the molding die, cooling the tube-like molten synthetic resin to produce a tube-like film. A spiral cooling air flow path is formed between a cooling air intake opening of the air ring and a circular cooling air blow-out opening. The cooling air with a uniform volume and speed in a circumferential direction is blown from the circular cooling air blow-out opening to the outer periphery of the tube-like molten synthetic resin. In the circular flow regulating member, a plurality of heating means which can be individually adjusted in temperature are disposed in a circumferential direction separated with specified interval between two adjacent heating means, to control the cooling air temperature blown to the tube-like molten synthetic resin in a circumferential direction.
TW094129103A 2005-08-25 2005-08-25 Inflation film producing device TWI277503B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW094129103A TWI277503B (en) 2005-08-25 2005-08-25 Inflation film producing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW094129103A TWI277503B (en) 2005-08-25 2005-08-25 Inflation film producing device

Publications (2)

Publication Number Publication Date
TW200708389A true TW200708389A (en) 2007-03-01
TWI277503B TWI277503B (en) 2007-04-01

Family

ID=38625945

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094129103A TWI277503B (en) 2005-08-25 2005-08-25 Inflation film producing device

Country Status (1)

Country Link
TW (1) TWI277503B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI711526B (en) * 2018-03-30 2020-12-01 日商住友重機械工業股份有限公司 Film forming device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI711526B (en) * 2018-03-30 2020-12-01 日商住友重機械工業股份有限公司 Film forming device

Also Published As

Publication number Publication date
TWI277503B (en) 2007-04-01

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