JPH0551452B2 - - Google Patents

Info

Publication number: JPH0551452B2
Authority: JP; Japan
Prior art keywords: tubular body; molten resin; slit; bubble; cylindrical member
Prior art date: 1985-07-23
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.): Expired - Lifetime

Application number

JP60162510A

Other languages

English (en)

Japanese (ja)

Other versions

JPS6221521A (ja

Inventor

Mikio Sato

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Idemitsu Petrochemical Co Ltd

Original Assignee

Idemitsu Petrochemical Co Ltd

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.)

1985-07-23

Filing date

1985-07-23

Publication date

1993-08-02

1985-07-23 Application filed by Idemitsu Petrochemical Co Ltd filed Critical Idemitsu Petrochemical Co Ltd

1985-07-23 Priority to JP60162510A priority Critical patent/JPS6221521A/ja

1987-01-29 Publication of JPS6221521A publication Critical patent/JPS6221521A/ja

1993-08-02 Publication of JPH0551452B2 publication Critical patent/JPH0551452B2/ja

Status Granted legal-status Critical Current

Links

229920005989 resin Polymers 0.000 claims description 56
239000011347 resin Substances 0.000 claims description 56
238000001816 cooling Methods 0.000 claims description 39
238000004519 manufacturing process Methods 0.000 claims description 8
238000000034 method Methods 0.000 claims description 7
229920000092 linear low density polyethylene Polymers 0.000 claims description 5
239000004707 linear low-density polyethylene Substances 0.000 claims description 5
229920001684 low density polyethylene Polymers 0.000 claims description 4
239000004702 low-density polyethylene Substances 0.000 claims description 4
229920001903 high density polyethylene Polymers 0.000 claims description 3
239000004700 high-density polyethylene Substances 0.000 claims description 3
230000000694 effects Effects 0.000 description 18
238000001125 extrusion Methods 0.000 description 15
238000000465 moulding Methods 0.000 description 9
230000000052 comparative effect Effects 0.000 description 2
238000002425 crystallisation Methods 0.000 description 2
230000008025 crystallization Effects 0.000 description 2
230000002093 peripheral effect Effects 0.000 description 2
229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
230000000903 blocking effect Effects 0.000 description 1
238000007664 blowing Methods 0.000 description 1
238000007599 discharging Methods 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
230000001771 impaired effect Effects 0.000 description 1
230000000704 physical effect Effects 0.000 description 1
230000001603 reducing effect Effects 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
229920005992 thermoplastic resin Polymers 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
- B29C48/912—Cooling of hollow articles of tubular films
- B29C48/913—Cooling of hollow articles of tubular films externally
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

JP60162510A 1985-07-23 1985-07-23 インフレ−シヨンフイルムの製造法 Granted JPS6221521A (ja)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP60162510A JPS6221521A (ja)	1985-07-23	1985-07-23	インフレ−シヨンフイルムの製造法

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP60162510A JPS6221521A (ja)	1985-07-23	1985-07-23	インフレ−シヨンフイルムの製造法

Publications (2)

Publication Number	Publication Date
JPS6221521A JPS6221521A (ja)	1987-01-29
JPH0551452B2 true JPH0551452B2 (ko)	1993-08-02

Family

ID=15755992

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP60162510A Granted JPS6221521A (ja)	1985-07-23	1985-07-23	インフレ−シヨンフイルムの製造法

Country Status (1)

Country	Link
JP (1)	JPS6221521A (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5207971A (en) *	1992-02-07	1993-05-04	Quantum Chemical Corporation	Extrusion of wrinkle-free blown film from high modulus resin
JPH0760833A (ja) *	1993-08-23	1995-03-07	Mitsubishi Chem Corp	インフレーション樹脂フィルムの成形方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5989123A (ja) *	1982-11-12	1984-05-23	Idemitsu Petrochem Co Ltd	インフレ−シヨンフイルムの成形方法および成形装置

1985
- 1985-07-23 JP JP60162510A patent/JPS6221521A/ja active Granted

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5989123A (ja) *	1982-11-12	1984-05-23	Idemitsu Petrochem Co Ltd	インフレ−シヨンフイルムの成形方法および成形装置

Also Published As

Publication number	Publication date
JPS6221521A (ja)	1987-01-29

Publication	Publication Date	Title
JPS5881128A (ja)	1983-05-16	インフレ−シヨンフイルム製造方法およびその装置
JPH0551452B2 (ko)	1993-08-02
US4204819A (en)	1980-05-27	Shaping apparatus for tubular film
EP0077661A2 (en)	1983-04-27	Process and apparatus for forming a plastics film
JPH0147286B2 (ko)	1989-10-13
JPH0247339B2 (ko)	1990-10-19
JPS6142621B2 (ko)	1986-09-22
JPS6351093B2 (ko)	1988-10-12
JPH0247336B2 (ko)	1990-10-19
JP2626945B2 (ja)	1997-07-02	インフレーションフィルムの成形方法及びその装置
JPS5913967B2 (ja)	1984-04-02	管状フイルムの成形法
JPS5939524A (ja)	1984-03-03	インフレ−シヨンフイルム成形用チヤンバ−
JPS598540B2 (ja)	1984-02-25	管状フイルムの製造方法
JPS58119824A (ja)	1983-07-16	インフレ−シヨンフイルムの成形法
JPS641066Y2 (ko)	1989-01-11
JPH0154182B2 (ko)	1989-11-17
KR820001881B1 (ko)	1982-10-18	관상(管狀) 필름의 성형법
JPH0617925U (ja)	1994-03-08	エアリング
CA1099467A (en)	1981-04-21	Method and apparatus for shaping of tubular film
JPH0513552Y2 (ko)	1993-04-09
JP2923817B2 (ja)	1999-07-26	管状フィルムの成形方法
JP2626944B2 (ja)	1997-07-02	インフレーションフィルムの成形方法及びその装置
JPS6334119A (ja)	1988-02-13	管状フイルムの製法
JPS58119825A (ja)	1983-07-16	下吹きインフレ−シヨン成形法
JPS58188626A (ja)	1983-11-04	インフレ−シヨンフイルム成形法