BE866726A - Procede de refroidissement de films tubulaires extrudes et dispositif en vue de sa mise en oeuvre - Google Patents

Procede de refroidissement de films tubulaires extrudes et dispositif en vue de sa mise en oeuvre

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
English (en)
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/fr
Application filed by Ato Emballage filed Critical Ato Emballage
Priority to BE187410A priority patent/BE866726A/xx
Publication of BE866726A publication Critical patent/BE866726A/xx

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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/89—Internal treatment, e.g. by applying an internal cooling fluid stream
    • 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
    • B29C48/03—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)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
BE187410A 1976-11-10 1978-05-05 Procede de refroidissement de films tubulaires extrudes et dispositif en vue de sa mise en oeuvre BE866726A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7633841A FR2370568A1 (fr) 1976-11-10 1976-11-10 Procede de refroidissement de films tubulaires extrudes et dispositif en vue de sa mise en oeuvre
BE187410A BE866726A (fr) 1976-11-10 1978-05-05 Procede de refroidissement de films tubulaires extrudes et dispositif en vue de sa mise en oeuvre

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR7633841A FR2370568A1 (fr) 1976-11-10 1976-11-10 Procede de refroidissement de films tubulaires extrudes et dispositif en vue de sa mise en oeuvre
BE187410A BE866726A (fr) 1976-11-10 1978-05-05 Procede de refroidissement de films tubulaires extrudes et dispositif en vue de sa mise en oeuvre
BE866726 1978-05-05

Publications (1)

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

Family

ID=27158656

Family Applications (1)

Application Number Title Priority Date Filing Date
BE187410A BE866726A (fr) 1976-11-10 1978-05-05 Procede de refroidissement de films tubulaires extrudes et dispositif en vue de sa mise en oeuvre

Country Status (2)

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

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 (de) * 1978-08-23 1980-03-06 Demag Kunststofftech Blaskopf zur herstellung von schlauchfolien im extrusionsverfahren
DE2926262A1 (de) * 1979-06-29 1981-01-15 Demag Kunststofftech Kuehlvorrichtung fuer mittels eines blaskopfes hergestellte kunststoff- schlauchfolien
DE9214647U1 (de) * 1992-10-28 1993-03-11 Windmöller & Hölscher, 4540 Lengerich Vorrichtung zur Zentrierung einer Folienschlauchblase am Kopf eines Blasfolienextruders

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 (fr) 1978-06-09
FR2370568B1 (enExample) 1979-03-02

Similar Documents

Publication Publication Date Title
JPS5329365A (en) Method and device for producing extruded tubular film
MY6900201A (en) Device and process for cooling an extruded tubular thermoplastic film
FR2299146A1 (fr) Procede et dispositif de reduction du retrait de profiles extrudes en matieres thermoplastiques
BR7101307D0 (pt) Processo e aparelho com sistema aperfeicoado de arrefecimento para producao de tubos e de peliculas tubulares extrudados
CH641305B (fr) Procede d'etirage de fils synthetiques et appareil pour sa mise en oeuvre.
LU77776A1 (fr) Procede de fabrication de produits en matieres thermoplastiques reticulees et dispositif pour sa mise en oeuvre
FR2310813A1 (fr) Procede et dispositif d'extrusion continue
FR2338128A1 (fr) Procede de fabrication d'elements helicoidaux en matiere synthetique extrudes, dispositif pour sa mise en oeuvre et elements helicoidaux obtenus
FR2306445A2 (fr) Procede de tomographie et dispositif de mise en oeuvre de ce procede
BE866726A (fr) Procede de refroidissement de films tubulaires extrudes et dispositif en vue de sa mise en oeuvre
RO73029A (ro) Procedeu si dispozitiv pentru extrudarea materialelor plastice expansibile
FR2313697A1 (fr) Procede pour l'enregistrement sur microfilms et appareils pour la mise en oeuvre de ce procede
JPS52116765A (en) Method and device for continuous extrusion
BE796284A (fr) Procede et dispositif de refroidissement de filiere d'etirage de fibres de verre
DK140751B (da) Fremgangsmåde til køling af et extruderet folierør af termoplastisk materiale og apparat til udøvelse af fremgangsmåden.
BE867653A (fr) Procede de formage de pieces creuses courbes et dispositif pour la mise en oeuvre de ce procede
FR2299141A1 (fr) Procede de regeneration de dechets de matieres plastiques et dispositif de mise en oeuvre
BE850576A (fr) Procede et dispositif pour la realisation de coudes de tuyaux en matiere thermoplastique
BE765686A (fr) Procede et dispositif de conformation de profiles plastiques extrudes
BE860702A (fr) Procede de fabrication de tubes detensionnes dispositif pour la mise en oeuvre de ce procede et tubes detensionnes obtenus
FR1423754A (fr) Procédé et dispositif pour refroidir des films thermoplastiques tubulaires
BE746366A (fr) Procede et dispositif pour la plastification de masses resilientes
FR2344058A1 (fr) Procede d'enregistrement radiographique et dispositif pour la mise en oeuvre de ce procede
BE851331A (fr) Procede de surveillance d'espaces et dispositif pour la mise en oeuvre de ce procede
BE842115A (fr) Procede de couchage par extrusion et appareil pour la mise en oeuvre de ce procede