JPH0124057B2 - - Google Patents

Info

Publication number
JPH0124057B2
JPH0124057B2 JP57106487A JP10648782A JPH0124057B2 JP H0124057 B2 JPH0124057 B2 JP H0124057B2 JP 57106487 A JP57106487 A JP 57106487A JP 10648782 A JP10648782 A JP 10648782A JP H0124057 B2 JPH0124057 B2 JP H0124057B2
Authority
JP
Japan
Prior art keywords
resin
air
cooling air
cooling
extrusion
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.)
Expired
Application number
JP57106487A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58222820A (ja
Inventor
Shinji Kawamura
Masato Doi
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.)
Filing date
Publication date
Application filed by Idemitsu Petrochemical Co Ltd filed Critical Idemitsu Petrochemical Co Ltd
Priority to JP57106487A priority Critical patent/JPS58222820A/ja
Priority to GB08233242A priority patent/GB2112703B/en
Priority to US06/443,724 priority patent/US4472343A/en
Priority to IT68377/82A priority patent/IT1157097B/it
Priority to DE19823243884 priority patent/DE3243884A1/de
Priority to FR8219904A priority patent/FR2517248B1/fr
Publication of JPS58222820A publication Critical patent/JPS58222820A/ja
Publication of JPH0124057B2 publication Critical patent/JPH0124057B2/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)
JP57106487A 1981-11-28 1982-06-21 インフレ−シヨンフイルムの成形方法 Granted JPS58222820A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP57106487A JPS58222820A (ja) 1982-06-21 1982-06-21 インフレ−シヨンフイルムの成形方法
GB08233242A GB2112703B (en) 1981-11-28 1982-11-22 Cooling extruded tubular plastics film
US06/443,724 US4472343A (en) 1981-11-28 1982-11-22 Tubular film process
IT68377/82A IT1157097B (it) 1981-11-28 1982-11-26 Procedimento per la produzione di pellicola tubolare in resina termoplastica
DE19823243884 DE3243884A1 (de) 1981-11-28 1982-11-26 Verfahren zur herstellung einer schlauchfoermigen folie
FR8219904A FR2517248B1 (fr) 1981-11-28 1982-11-26 Procede de fabrication et de traitement (refroidissement) d'une pellicule tubulaire en resine extrudee

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57106487A JPS58222820A (ja) 1982-06-21 1982-06-21 インフレ−シヨンフイルムの成形方法

Publications (2)

Publication Number Publication Date
JPS58222820A JPS58222820A (ja) 1983-12-24
JPH0124057B2 true JPH0124057B2 (enrdf_load_stackoverflow) 1989-05-10

Family

ID=14434816

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57106487A Granted JPS58222820A (ja) 1981-11-28 1982-06-21 インフレ−シヨンフイルムの成形方法

Country Status (1)

Country Link
JP (1) JPS58222820A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59171620A (ja) * 1983-03-19 1984-09-28 Sumitomo Chem Co Ltd インフレーションフイルムの成形方法ならびに装置
US4626397A (en) * 1984-10-29 1986-12-02 Union Camp Corporation Method for controlled orientation of extruded resins

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5894434A (ja) * 1981-12-01 1983-06-04 Nippon Petrochem Co Ltd インフレ−シヨンフイルムの成形法
JPS58191126A (ja) * 1982-05-04 1983-11-08 Modern Mach Kk インフレ−シヨンフイルムの冷却装置

Also Published As

Publication number Publication date
JPS58222820A (ja) 1983-12-24

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