JPS57140125A - Air ring for bubble-cooling in inflation film-forming machine - Google Patents

Air ring for bubble-cooling in inflation film-forming machine

Info

Publication number
JPS57140125A
JPS57140125A JP56027821A JP2782181A JPS57140125A JP S57140125 A JPS57140125 A JP S57140125A JP 56027821 A JP56027821 A JP 56027821A JP 2782181 A JP2782181 A JP 2782181A JP S57140125 A JPS57140125 A JP S57140125A
Authority
JP
Japan
Prior art keywords
funnel
divided
bubble
air ring
cooling
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
JP56027821A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6345937B2 (enrdf_load_stackoverflow
Inventor
Toyoaki Hiu
Tadayoshi Shiomura
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.)
Mitsui Petrochemical Industries Ltd
Original Assignee
Mitsui Petrochemical Industries 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 Mitsui Petrochemical Industries Ltd filed Critical Mitsui Petrochemical Industries Ltd
Priority to JP56027821A priority Critical patent/JPS57140125A/ja
Publication of JPS57140125A publication Critical patent/JPS57140125A/ja
Publication of JPS6345937B2 publication Critical patent/JPS6345937B2/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
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/907—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using adjustable calibrators, e.g. the dimensions of the calibrator being changeable
    • 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
    • B29C48/885—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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • 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)
JP56027821A 1981-02-26 1981-02-26 Air ring for bubble-cooling in inflation film-forming machine Granted JPS57140125A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56027821A JPS57140125A (en) 1981-02-26 1981-02-26 Air ring for bubble-cooling in inflation film-forming machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56027821A JPS57140125A (en) 1981-02-26 1981-02-26 Air ring for bubble-cooling in inflation film-forming machine

Publications (2)

Publication Number Publication Date
JPS57140125A true JPS57140125A (en) 1982-08-30
JPS6345937B2 JPS6345937B2 (enrdf_load_stackoverflow) 1988-09-13

Family

ID=12231616

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56027821A Granted JPS57140125A (en) 1981-02-26 1981-02-26 Air ring for bubble-cooling in inflation film-forming machine

Country Status (1)

Country Link
JP (1) JPS57140125A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59146817A (ja) * 1983-02-10 1984-08-22 Tomy Kikai Kogyo Kk インフレ−シヨンフイルム成形用エアリング
ITUB20151292A1 (it) * 2015-05-28 2016-11-28 Doteco S P A Apparato e metodo per produrre un film estruso in bolla
CN111844708A (zh) * 2020-07-29 2020-10-30 尤晨曦 一种农用环保可降解塑料薄膜制备工艺

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180058394A (ko) * 2016-11-24 2018-06-01 백인호 비닐 제조 장치

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59146817A (ja) * 1983-02-10 1984-08-22 Tomy Kikai Kogyo Kk インフレ−シヨンフイルム成形用エアリング
ITUB20151292A1 (it) * 2015-05-28 2016-11-28 Doteco S P A Apparato e metodo per produrre un film estruso in bolla
CN111844708A (zh) * 2020-07-29 2020-10-30 尤晨曦 一种农用环保可降解塑料薄膜制备工艺

Also Published As

Publication number Publication date
JPS6345937B2 (enrdf_load_stackoverflow) 1988-09-13

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