JPH0221377B2 - - Google Patents

Info

Publication number
JPH0221377B2
JPH0221377B2 JP57052824A JP5282482A JPH0221377B2 JP H0221377 B2 JPH0221377 B2 JP H0221377B2 JP 57052824 A JP57052824 A JP 57052824A JP 5282482 A JP5282482 A JP 5282482A JP H0221377 B2 JPH0221377 B2 JP H0221377B2
Authority
JP
Japan
Prior art keywords
section
condensate
resin
extrusion die
pipe
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
JP57052824A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58168521A (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.)
YAMATO TAKEO
Original Assignee
YAMATO TAKEO
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 YAMATO TAKEO filed Critical YAMATO TAKEO
Priority to JP57052824A priority Critical patent/JPS58168521A/ja
Publication of JPS58168521A publication Critical patent/JPS58168521A/ja
Publication of JPH0221377B2 publication Critical patent/JPH0221377B2/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)
JP57052824A 1982-03-31 1982-03-31 インフレ−シヨン成形用冷却装置 Granted JPS58168521A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57052824A JPS58168521A (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
JP57052824A JPS58168521A (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
JPS58168521A JPS58168521A (ja) 1983-10-04
JPH0221377B2 true JPH0221377B2 (OSRAM) 1990-05-14

Family

ID=12925596

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57052824A Granted JPS58168521A (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) JPS58168521A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7393182B2 (ja) * 2019-10-31 2023-12-06 住友重機械工業株式会社 インフレーション成形装置

Also Published As

Publication number Publication date
JPS58168521A (ja) 1983-10-04

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