JPH0249216B2 - - Google Patents

Info

Publication number
JPH0249216B2
JPH0249216B2 JP57052823A JP5282382A JPH0249216B2 JP H0249216 B2 JPH0249216 B2 JP H0249216B2 JP 57052823 A JP57052823 A JP 57052823A JP 5282382 A JP5282382 A JP 5282382A JP H0249216 B2 JPH0249216 B2 JP H0249216B2
Authority
JP
Japan
Prior art keywords
resin
molten resin
tubular body
flow path
tubular
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
JP57052823A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58168520A (ja
Inventor
Shinji Kawamura
Akyuki Iwai
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 JP57052823A priority Critical patent/JPS58168520A/ja
Publication of JPS58168520A publication Critical patent/JPS58168520A/ja
Publication of JPH0249216B2 publication Critical patent/JPH0249216B2/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
    • B29C48/89—Internal treatment, e.g. by applying an internal cooling fluid stream
    • 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)
JP57052823A 1982-03-31 1982-03-31 インフレ−シヨン成形用冷却装置 Granted JPS58168520A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57052823A JPS58168520A (ja) 1982-03-31 1982-03-31 インフレ−シヨン成形用冷却装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57052823A JPS58168520A (ja) 1982-03-31 1982-03-31 インフレ−シヨン成形用冷却装置

Publications (2)

Publication Number Publication Date
JPS58168520A JPS58168520A (ja) 1983-10-04
JPH0249216B2 true JPH0249216B2 (enExample) 1990-10-29

Family

ID=12925566

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57052823A Granted JPS58168520A (ja) 1982-03-31 1982-03-31 インフレ−シヨン成形用冷却装置

Country Status (1)

Country Link
JP (1) JPS58168520A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013016898A1 (de) * 2013-10-13 2015-04-16 Reifenhäuser GmbH & Co. KG Maschinenfabrik Innenkühlkörper für eine Blasfolienanlage, Blasfolienanlage mit einem solchen Innenkörper sowie Verfahren zum Betreiben einer solchen Blasfolienanlage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5055671A (enExample) * 1973-09-17 1975-05-15
JPS50109962A (enExample) * 1974-02-08 1975-08-29
JPS5675829A (en) * 1979-11-27 1981-06-23 Yazaki Kako Kk Mandrel for inflation forming of plastic film, operation of mandrel and inflation forming apparatus

Also Published As

Publication number Publication date
JPS58168520A (ja) 1983-10-04

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