BE866726A - COOLING PROCESS FOR EXTRUDED TUBULAR FILMS AND DEVICE FOR ITS IMPLEMENTATION - Google Patents

COOLING PROCESS FOR EXTRUDED TUBULAR FILMS AND DEVICE FOR ITS IMPLEMENTATION

Info

Publication number
BE866726A
BE866726A BE187410A BE187410A BE866726A BE 866726 A BE866726 A BE 866726A BE 187410 A BE187410 A BE 187410A BE 187410 A BE187410 A BE 187410A BE 866726 A BE866726 A BE 866726A
Authority
BE
Belgium
Prior art keywords
implementation
cooling process
extruded tubular
tubular films
films
Prior art date
Application number
BE187410A
Other languages
French (fr)
Original Assignee
Ato Emballage
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
Priority to FR7633841A priority Critical patent/FR2370568A1/en
Application filed by Ato Emballage filed Critical Ato Emballage
Priority to BE187410A priority patent/BE866726A/en
Publication of BE866726A publication Critical patent/BE866726A/en

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
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/913—Cooling of hollow articles of tubular films externally
    • 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
    • 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
    • B29C48/9125—Cooling of hollow articles of tubular films internally
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
BE187410A 1976-11-10 1978-05-05 COOLING PROCESS FOR EXTRUDED TUBULAR FILMS AND DEVICE FOR ITS IMPLEMENTATION BE866726A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7633841A FR2370568A1 (en) 1976-11-10 1976-11-10 Manifolds to direct coolant air against tubular extruded film surface - with internal and external balance control for rapid throughput
BE187410A BE866726A (en) 1976-11-10 1978-05-05 COOLING PROCESS FOR EXTRUDED TUBULAR FILMS AND DEVICE FOR ITS IMPLEMENTATION

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR7633841A FR2370568A1 (en) 1976-11-10 1976-11-10 Manifolds to direct coolant air against tubular extruded film surface - with internal and external balance control for rapid throughput
BE866726 1978-05-05
BE187410A BE866726A (en) 1976-11-10 1978-05-05 COOLING PROCESS FOR EXTRUDED TUBULAR FILMS AND DEVICE FOR ITS IMPLEMENTATION

Publications (1)

Publication Number Publication Date
BE866726A true BE866726A (en) 1978-09-01

Family

ID=27158656

Family Applications (1)

Application Number Title Priority Date Filing Date
BE187410A BE866726A (en) 1976-11-10 1978-05-05 COOLING PROCESS FOR EXTRUDED TUBULAR FILMS AND DEVICE FOR ITS IMPLEMENTATION

Country Status (2)

Country Link
BE (1) BE866726A (en)
FR (1) FR2370568A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052886A1 (en) * 1980-11-26 1982-06-02 Union Carbide Corporation Air ring lip extension for blowing film from olefin resins

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2836808A1 (en) * 1978-08-23 1980-03-06 Demag Kunststofftech BLOW HEAD FOR THE PRODUCTION OF TUBE FILMS IN THE EXTRUSION PROCESS
DE2926262A1 (de) * 1979-06-29 1981-01-15 Demag Kunststofftech Kuehlvorrichtung fuer mittels eines blaskopfes hergestellte kunststoff- schlauchfolien
DE9214647U1 (en) * 1992-10-28 1993-03-11 Windmöller & Hölscher, 4540 Lengerich Device for centering a film tubular bubble at the head of a blown film extruder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052886A1 (en) * 1980-11-26 1982-06-02 Union Carbide Corporation Air ring lip extension for blowing film from olefin resins

Also Published As

Publication number Publication date
FR2370568A1 (en) 1978-06-09
FR2370568B1 (en) 1979-03-02

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