JPH0466172B2 - - Google Patents

Info

Publication number
JPH0466172B2
JPH0466172B2 JP62090545A JP9054587A JPH0466172B2 JP H0466172 B2 JPH0466172 B2 JP H0466172B2 JP 62090545 A JP62090545 A JP 62090545A JP 9054587 A JP9054587 A JP 9054587A JP H0466172 B2 JPH0466172 B2 JP H0466172B2
Authority
JP
Japan
Prior art keywords
annular air
bubble
air ring
outer lip
annular
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
JP62090545A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63256423A (ja
Inventor
Kazuo Fujita
Yoshihide Akyama
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.)
Kao Corp
Original Assignee
Kao Corp
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 Kao Corp filed Critical Kao Corp
Priority to JP62090545A priority Critical patent/JPS63256423A/ja
Publication of JPS63256423A publication Critical patent/JPS63256423A/ja
Publication of JPH0466172B2 publication Critical patent/JPH0466172B2/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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
JP62090545A 1987-04-13 1987-04-13 インフレ−シヨンフイルム成形装置 Granted JPS63256423A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62090545A JPS63256423A (ja) 1987-04-13 1987-04-13 インフレ−シヨンフイルム成形装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62090545A JPS63256423A (ja) 1987-04-13 1987-04-13 インフレ−シヨンフイルム成形装置

Publications (2)

Publication Number Publication Date
JPS63256423A JPS63256423A (ja) 1988-10-24
JPH0466172B2 true JPH0466172B2 (enrdf_load_stackoverflow) 1992-10-22

Family

ID=14001385

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62090545A Granted JPS63256423A (ja) 1987-04-13 1987-04-13 インフレ−シヨンフイルム成形装置

Country Status (1)

Country Link
JP (1) JPS63256423A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2289432B (en) * 1994-05-18 1998-06-17 Windmoeller & Hoelscher A film blowing head for producing tubular film webs of a thermoplastic synthetic material

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58153012U (ja) * 1982-04-08 1983-10-13 株式会社プラコ− バブル冷却装置
JPS5975017U (ja) * 1982-11-12 1984-05-22 株式会社プラコー バブル冷却装置

Also Published As

Publication number Publication date
JPS63256423A (ja) 1988-10-24

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