JPS5714295B2 - - Google Patents

Info

Publication number
JPS5714295B2
JPS5714295B2 JP4495076A JP4495076A JPS5714295B2 JP S5714295 B2 JPS5714295 B2 JP S5714295B2 JP 4495076 A JP4495076 A JP 4495076A JP 4495076 A JP4495076 A JP 4495076A JP S5714295 B2 JPS5714295 B2 JP S5714295B2
Authority
JP
Japan
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
Application number
JP4495076A
Other languages
Japanese (ja)
Other versions
JPS52128955A (en
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 filed Critical
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 JPS52128955A (en) 1977-10-28
JPS5714295B2 true 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)

Families Citing this family (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
US4626397A (en) * 1984-10-29 1986-12-02 Union Camp Corporation Method for controlled orientation of extruded resins

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5423336B2 (OSRAM) * 1972-07-25 1979-08-13

Also Published As

Publication number Publication date
JPS52128955A (en) 1977-10-28

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