JPS52128955A - Method and device for producing inflation film - Google Patents

Method and device for producing inflation film

Info

Publication number
JPS52128955A
JPS52128955A JP4495076A JP4495076A JPS52128955A JP S52128955 A JPS52128955 A JP S52128955A JP 4495076 A JP4495076 A JP 4495076A JP 4495076 A JP4495076 A JP 4495076A JP S52128955 A JPS52128955 A JP S52128955A
Authority
JP
Japan
Prior art keywords
inflation film
producing inflation
producing
film
inflation
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
JP4495076A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5714295B2 (OSRAM
Inventor
Takenobu Matsumura
Hiroshige Sasaki
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.)
Ube Corp
Original Assignee
Ube Industries 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.)
Filing date
Publication date
Application filed by Ube Industries Ltd filed Critical Ube Industries Ltd
Priority to JP4495076A priority Critical patent/JPS52128955A/ja
Publication of JPS52128955A publication Critical patent/JPS52128955A/ja
Publication of JPS5714295B2 publication Critical patent/JPS5714295B2/ja
Granted legal-status Critical Current

Links

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
    • B29C48/885—External treatment, e.g. by using air rings for cooling tubular films
    • 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
    • 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

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)
JP4495076A 1976-04-22 1976-04-22 Method and device for producing inflation film Granted JPS52128955A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4495076A JPS52128955A (en) 1976-04-22 1976-04-22 Method and device for producing inflation film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4495076A JPS52128955A (en) 1976-04-22 1976-04-22 Method and device for producing inflation film

Publications (2)

Publication Number Publication Date
JPS52128955A true JPS52128955A (en) 1977-10-28
JPS5714295B2 JPS5714295B2 (OSRAM) 1982-03-24

Family

ID=12705755

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4495076A Granted JPS52128955A (en) 1976-04-22 1976-04-22 Method and device for producing inflation film

Country Status (1)

Country Link
JP (1) JPS52128955A (OSRAM)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55123424A (en) * 1979-03-15 1980-09-22 Sumitomo Bakelite Co Ltd Biaxially oriented plastic film and its preparation
JPS5811116A (ja) * 1981-07-14 1983-01-21 Modern Mach Kk バブル冷却装置
JPS61108531A (ja) * 1984-10-29 1986-05-27 ユニオン・キヤンプ・コーポレイシヨン 二軸に配向された高密度ポリエチレンフイルムとその押出し‐吹込方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4931542A (OSRAM) * 1972-07-25 1974-03-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4931542A (OSRAM) * 1972-07-25 1974-03-22

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55123424A (en) * 1979-03-15 1980-09-22 Sumitomo Bakelite Co Ltd Biaxially oriented plastic film and its preparation
JPS5811116A (ja) * 1981-07-14 1983-01-21 Modern Mach Kk バブル冷却装置
JPS61108531A (ja) * 1984-10-29 1986-05-27 ユニオン・キヤンプ・コーポレイシヨン 二軸に配向された高密度ポリエチレンフイルムとその押出し‐吹込方法

Also Published As

Publication number Publication date
JPS5714295B2 (OSRAM) 1982-03-24

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