JPS6351094B2 - - Google Patents

Info

Publication number
JPS6351094B2
JPS6351094B2 JP56205083A JP20508381A JPS6351094B2 JP S6351094 B2 JPS6351094 B2 JP S6351094B2 JP 56205083 A JP56205083 A JP 56205083A JP 20508381 A JP20508381 A JP 20508381A JP S6351094 B2 JPS6351094 B2 JP S6351094B2
Authority
JP
Japan
Prior art keywords
cooling
molding
ethylene
suction
ring
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
JP56205083A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58107315A (ja
Inventor
Katsuhiko Fujimori
Toshiharu Futasugi
Hideyo Royama
Shiro Utsugi
Tetsuo Watanabe
Terukazu Kyota
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.)
Eneos Corp
Original Assignee
Nippon Petrochemicals 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 Nippon Petrochemicals Co Ltd filed Critical Nippon Petrochemicals Co Ltd
Priority to JP56205083A priority Critical patent/JPS58107315A/ja
Publication of JPS58107315A publication Critical patent/JPS58107315A/ja
Publication of JPS6351094B2 publication Critical patent/JPS6351094B2/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)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
JP56205083A 1981-12-21 1981-12-21 インフレ−シヨンフイルムの成形法 Granted JPS58107315A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56205083A JPS58107315A (ja) 1981-12-21 1981-12-21 インフレ−シヨンフイルムの成形法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56205083A JPS58107315A (ja) 1981-12-21 1981-12-21 インフレ−シヨンフイルムの成形法

Publications (2)

Publication Number Publication Date
JPS58107315A JPS58107315A (ja) 1983-06-27
JPS6351094B2 true JPS6351094B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-10-12

Family

ID=16501136

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56205083A Granted JPS58107315A (ja) 1981-12-21 1981-12-21 インフレ−シヨンフイルムの成形法

Country Status (1)

Country Link
JP (1) JPS58107315A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017194520A1 (de) * 2016-05-09 2017-11-16 Windmöller & Hölscher Kg Blasfolienanlage zur herstellung einer blasfolie

Also Published As

Publication number Publication date
JPS58107315A (ja) 1983-06-27

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