JPH0360303B2 - - Google Patents

Info

Publication number
JPH0360303B2
JPH0360303B2 JP60208485A JP20848585A JPH0360303B2 JP H0360303 B2 JPH0360303 B2 JP H0360303B2 JP 60208485 A JP60208485 A JP 60208485A JP 20848585 A JP20848585 A JP 20848585A JP H0360303 B2 JPH0360303 B2 JP H0360303B2
Authority
JP
Japan
Prior art keywords
tube
air
molten resin
bubble
shaped molten
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 - Lifetime
Application number
JP60208485A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6266920A (ja
Inventor
Kazutaka Nagao
Takeshi Yamaji
Masaaki Nishikawa
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.)
Okura Industrial Co Ltd
Original Assignee
Okura Industrial 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 Okura Industrial Co Ltd filed Critical Okura Industrial Co Ltd
Priority to JP60208485A priority Critical patent/JPS6266920A/ja
Publication of JPS6266920A publication Critical patent/JPS6266920A/ja
Publication of JPH0360303B2 publication Critical patent/JPH0360303B2/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)
JP60208485A 1985-09-19 1985-09-19 インフレ−シヨンフイルムの製造装置 Granted JPS6266920A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60208485A JPS6266920A (ja) 1985-09-19 1985-09-19 インフレ−シヨンフイルムの製造装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60208485A JPS6266920A (ja) 1985-09-19 1985-09-19 インフレ−シヨンフイルムの製造装置

Publications (2)

Publication Number Publication Date
JPS6266920A JPS6266920A (ja) 1987-03-26
JPH0360303B2 true JPH0360303B2 (it) 1991-09-13

Family

ID=16556939

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60208485A Granted JPS6266920A (ja) 1985-09-19 1985-09-19 インフレ−シヨンフイルムの製造装置

Country Status (1)

Country Link
JP (1) JPS6266920A (it)

Also Published As

Publication number Publication date
JPS6266920A (ja) 1987-03-26

Similar Documents

Publication Publication Date Title
US12558833B2 (en) Controlled pressure enclosure
US11919218B2 (en) High performance cooling element
US4174932A (en) Apparatus for extruding tubular thermoplastic film
CA3009079C (en) Apparatus with unidirectional cooling element for blown film cooling
US3867083A (en) Shape imposition apparatus for the extrusion of tubular thermoplastic film
JPH0360303B2 (it)
US12521930B2 (en) High performance cooling element
EP0077661A2 (en) Process and apparatus for forming a plastics film
JPH0147286B2 (it)
JPS6334119A (ja) 管状フイルムの製法
JPS6142621B2 (it)
JPH0118851B2 (it)
JPS6026010B2 (ja) 水冷インフレ−シヨンフイルムの製造方法
JPS5935375Y2 (ja) インフレ−シヨンチユ−ブ製造装置
JPS6166628A (ja) インフレ−シヨンフイルムの冷却方法及びその装置
JPH0247338B2 (it)
JPH0234324A (ja) 高密度ポリエチレンのインフレーションフィルム成形法
JPS61286117A (ja) インフレーションフィルムの成形装置
JPS61239932A (ja) 高吐出量フイルム成形法
JPS62246714A (ja) エア−リング
JPS5913967B2 (ja) 管状フイルムの成形法
JPH05220838A (ja) インフレーションフィルム成形用エアーリング
JPH0551452B2 (it)
JPS62284726A (ja) インフレ−シヨン用冷却装置
JPH0312532B2 (it)