JPS6079928A - プラスチツクスの冷却成型法 - Google Patents

プラスチツクスの冷却成型法

Info

Publication number
JPS6079928A
JPS6079928A JP58186954A JP18695483A JPS6079928A JP S6079928 A JPS6079928 A JP S6079928A JP 58186954 A JP58186954 A JP 58186954A JP 18695483 A JP18695483 A JP 18695483A JP S6079928 A JPS6079928 A JP S6079928A
Authority
JP
Japan
Prior art keywords
bubbles
foam
tube
large number
secondary air
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.)
Granted
Application number
JP58186954A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6311970B2 (OSRAM
Inventor
Takashi Yonehara
隆 米原
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.)
TOKYO COPAL KAGAKU KK
Original Assignee
TOKYO COPAL KAGAKU 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 TOKYO COPAL KAGAKU KK filed Critical TOKYO COPAL KAGAKU KK
Priority to JP58186954A priority Critical patent/JPS6079928A/ja
Publication of JPS6079928A publication Critical patent/JPS6079928A/ja
Publication of JPS6311970B2 publication Critical patent/JPS6311970B2/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
    • 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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
JP58186954A 1983-10-07 1983-10-07 プラスチツクスの冷却成型法 Granted JPS6079928A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58186954A JPS6079928A (ja) 1983-10-07 1983-10-07 プラスチツクスの冷却成型法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58186954A JPS6079928A (ja) 1983-10-07 1983-10-07 プラスチツクスの冷却成型法

Publications (2)

Publication Number Publication Date
JPS6079928A true JPS6079928A (ja) 1985-05-07
JPS6311970B2 JPS6311970B2 (OSRAM) 1988-03-16

Family

ID=16197627

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58186954A Granted JPS6079928A (ja) 1983-10-07 1983-10-07 プラスチツクスの冷却成型法

Country Status (1)

Country Link
JP (1) JPS6079928A (OSRAM)

Also Published As

Publication number Publication date
JPS6311970B2 (OSRAM) 1988-03-16

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