JPH0247336B2 - - Google Patents

Info

Publication number
JPH0247336B2
JPH0247336B2 JP57002522A JP252282A JPH0247336B2 JP H0247336 B2 JPH0247336 B2 JP H0247336B2 JP 57002522 A JP57002522 A JP 57002522A JP 252282 A JP252282 A JP 252282A JP H0247336 B2 JPH0247336 B2 JP H0247336B2
Authority
JP
Japan
Prior art keywords
air
cooling
tubular body
resin
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
JP57002522A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58119823A (ja
Inventor
Katsuyoshi Shioda
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 JP57002522A priority Critical patent/JPS58119823A/ja
Publication of JPS58119823A publication Critical patent/JPS58119823A/ja
Publication of JPH0247336B2 publication Critical patent/JPH0247336B2/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)
JP57002522A 1982-01-11 1982-01-11 ポリエチレン樹脂のインフレーションフィルム成形法 Granted JPS58119823A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57002522A JPS58119823A (ja) 1982-01-11 1982-01-11 ポリエチレン樹脂のインフレーションフィルム成形法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57002522A JPS58119823A (ja) 1982-01-11 1982-01-11 ポリエチレン樹脂のインフレーションフィルム成形法

Publications (2)

Publication Number Publication Date
JPS58119823A JPS58119823A (ja) 1983-07-16
JPH0247336B2 true JPH0247336B2 (en, 2012) 1990-10-19

Family

ID=11531703

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57002522A Granted JPS58119823A (ja) 1982-01-11 1982-01-11 ポリエチレン樹脂のインフレーションフィルム成形法

Country Status (1)

Country Link
JP (1) JPS58119823A (en, 2012)

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
EP0517837A1 (en) * 1990-02-28 1992-12-16 Exxon Chemical Patents Inc. Method and apparatus for producing polymeric films

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5210260A (en) * 1975-07-11 1977-01-26 Kyowa Hakko Kogyo Co Ltd Preparation of benzofuran derivatives
GB1560030A (en) * 1976-12-06 1980-01-30 Cole R J Air ring for the production of blown extruded film
JPS53146764A (en) * 1977-05-27 1978-12-20 Mitsui Petrochem Ind Ltd Film forming by inflation
JPS5429329U (en, 2012) * 1977-07-30 1979-02-26

Also Published As

Publication number Publication date
JPS58119823A (ja) 1983-07-16

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