JPH0118851B2 - - Google Patents

Info

Publication number
JPH0118851B2
JPH0118851B2 JP57152763A JP15276382A JPH0118851B2 JP H0118851 B2 JPH0118851 B2 JP H0118851B2 JP 57152763 A JP57152763 A JP 57152763A JP 15276382 A JP15276382 A JP 15276382A JP H0118851 B2 JPH0118851 B2 JP H0118851B2
Authority
JP
Japan
Prior art keywords
guide column
bubble
cold air
bubbles
cooling
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
JP57152763A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5942931A (ja
Inventor
Takumi Maruyama
Koichiro Ikuta
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.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
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 Showa Denko KK filed Critical Showa Denko KK
Priority to JP57152763A priority Critical patent/JPS5942931A/ja
Publication of JPS5942931A publication Critical patent/JPS5942931A/ja
Publication of JPH0118851B2 publication Critical patent/JPH0118851B2/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)
JP57152763A 1982-09-03 1982-09-03 インフレ−シヨンフイルムの成形法 Granted JPS5942931A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57152763A JPS5942931A (ja) 1982-09-03 1982-09-03 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
JP57152763A JPS5942931A (ja) 1982-09-03 1982-09-03 インフレ−シヨンフイルムの成形法

Publications (2)

Publication Number Publication Date
JPS5942931A JPS5942931A (ja) 1984-03-09
JPH0118851B2 true JPH0118851B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-04-07

Family

ID=15547611

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57152763A Granted JPS5942931A (ja) 1982-09-03 1982-09-03 インフレ−シヨンフイルムの成形法

Country Status (1)

Country Link
JP (1) JPS5942931A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (5)

* 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
JPH0698680B2 (ja) * 1985-04-05 1994-12-07 三菱化成株式会社 線状低密度ポリエチレンインフレ−シヨンフイルムの成形方法
JPH0321430A (ja) * 1989-06-20 1991-01-30 Asahi Chem Ind Co Ltd インフレーションフィルムの成形方法
CA2100431C (en) * 1992-07-15 1997-04-15 Toshio Taka Method and apparatus for molding inflation film

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS561210A (en) * 1979-06-19 1981-01-08 Kawasaki Steel Corp Operating method for steel bar cooling apparatus

Also Published As

Publication number Publication date
JPS5942931A (ja) 1984-03-09

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