JPH0246377B2 - - Google Patents

Info

Publication number
JPH0246377B2
JPH0246377B2 JP56157541A JP15754181A JPH0246377B2 JP H0246377 B2 JPH0246377 B2 JP H0246377B2 JP 56157541 A JP56157541 A JP 56157541A JP 15754181 A JP15754181 A JP 15754181A JP H0246377 B2 JPH0246377 B2 JP H0246377B2
Authority
JP
Japan
Prior art keywords
film
cooling
ring
slit
injection ring
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
JP56157541A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5859069A (ja
Inventor
Toshio Taka
Hideaki Toda
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 JP56157541A priority Critical patent/JPS5859069A/ja
Publication of JPS5859069A publication Critical patent/JPS5859069A/ja
Publication of JPH0246377B2 publication Critical patent/JPH0246377B2/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)
JP56157541A 1981-10-05 1981-10-05 インフレ−シヨンフイルム成形装置 Granted JPS5859069A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56157541A JPS5859069A (ja) 1981-10-05 1981-10-05 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
JP56157541A JPS5859069A (ja) 1981-10-05 1981-10-05 インフレ−シヨンフイルム成形装置

Publications (2)

Publication Number Publication Date
JPS5859069A JPS5859069A (ja) 1983-04-07
JPH0246377B2 true JPH0246377B2 (enrdf_load_stackoverflow) 1990-10-15

Family

ID=15651928

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56157541A Granted JPS5859069A (ja) 1981-10-05 1981-10-05 インフレ−シヨンフイルム成形装置

Country Status (1)

Country Link
JP (1) JPS5859069A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4626397A (en) * 1984-10-29 1986-12-02 Union Camp Corporation Method for controlled orientation of extruded resins
CN116615324A (zh) * 2021-03-31 2023-08-18 住友重机械工业株式会社 膜成型装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53146764A (en) * 1977-05-27 1978-12-20 Mitsui Petrochem Ind Ltd Film forming by inflation
JPS6026698B2 (ja) * 1980-05-30 1985-06-25 日本ユニカ−株式会社 プラスチツクフイルムの成形方法および装置

Also Published As

Publication number Publication date
JPS5859069A (ja) 1983-04-07

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