FR2148308A3 - Cooling extruded thermoplastic film - by immersing in cooling bath and introducing liquid cooling agent inside film - Google Patents

Cooling extruded thermoplastic film - by immersing in cooling bath and introducing liquid cooling agent inside film

Info

Publication number
FR2148308A3
FR2148308A3 FR7228490A FR7228490A FR2148308A3 FR 2148308 A3 FR2148308 A3 FR 2148308A3 FR 7228490 A FR7228490 A FR 7228490A FR 7228490 A FR7228490 A FR 7228490A FR 2148308 A3 FR2148308 A3 FR 2148308A3
Authority
FR
France
Prior art keywords
film
cooling
immersing
introducing liquid
extruded thermoplastic
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.)
Pending
Application number
FR7228490A
Other languages
English (en)
French (fr)
Inventor
Fabryka Tworz Warszawska
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.)
Politechnika Warszawska
Original Assignee
Politechnika Warszawska
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 Politechnika Warszawska filed Critical Politechnika Warszawska
Publication of FR2148308A3 publication Critical patent/FR2148308A3/fr
Pending 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
    • B29C48/901—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 of hollow bodies
    • B29C48/903—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 of hollow bodies 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
    • B29C48/03—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
    • 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
    • B29C48/90—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
    • B29C48/901—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 of hollow bodies
    • B29C48/902—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 of hollow bodies 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • 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
    • B29C48/911—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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR7228490A 1971-08-05 1972-08-07 Cooling extruded thermoplastic film - by immersing in cooling bath and introducing liquid cooling agent inside film Pending FR2148308A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL14985771A PL75796B1 (enExample) 1971-08-05 1971-08-05

Publications (1)

Publication Number Publication Date
FR2148308A3 true FR2148308A3 (en) 1973-03-11

Family

ID=19955268

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7228490A Pending FR2148308A3 (en) 1971-08-05 1972-08-07 Cooling extruded thermoplastic film - by immersing in cooling bath and introducing liquid cooling agent inside film

Country Status (6)

Country Link
BE (1) BE787204A (enExample)
DD (1) DD100197A5 (enExample)
DE (1) DE2237192A1 (enExample)
FR (1) FR2148308A3 (enExample)
IT (1) IT972433B (enExample)
PL (1) PL75796B1 (enExample)

Also Published As

Publication number Publication date
DD100197A5 (enExample) 1973-09-12
PL75796B1 (enExample) 1974-12-31
IT972433B (it) 1974-05-20
BE787204A (fr) 1972-12-01
DE2237192A1 (de) 1973-02-15

Similar Documents

Publication Publication Date Title
CH511700A (fr) Procédé d'extrusion de pellicules thermoplastiques à plusieurs couches et filière d'extrusion pour la mise en oeuvre de ce procédé
CH527098A (fr) Récipient en matière plastique, notamment pour boissons gazeuses, et procédé de fabrication de ce récipient
ES8203264A1 (es) Procedimiento y aparato para la formacion de peliculas de material plastico a partir de resinas termoplasticas por ex-trusion de pelicula soplada.
ES348184A1 (es) Un metodo para la fabricacion de articulos huecos a partir de polimeridos de cloruro de vinilo estabilizados.
US3048895A (en) Process for producing biaxially oriented plastic film
US3694538A (en) Method and apparatus for coating with plastics
JPS6471729A (en) Method and device for manufacturing mesh film
GB1192132A (en) Method for preparing Porous Reticulate Films of Thermoplastic Material
CH549455A (fr) Procede de fabrication d'un film tubulaire en matiere plastique, installation pour la mise en oeuvre de ce procede et film obtenu par ce procede.
FR2148308A3 (en) Cooling extruded thermoplastic film - by immersing in cooling bath and introducing liquid cooling agent inside film
CH537802A (fr) Procédé pour l'ébavurage du fond de corps creux en matière plastique lors de leur moulage par extrusion soufflée et dispositif pour la mise en oeuvre du procédé
US3046606A (en) Process for producing solid non-porous pellets from polyolefins and pellets produced thereby
GB862967A (en) Guide ring for use in making uniformly oriented polymer film
FR1602792A (en) Combined extrusion and injection moulding equipment for
FR1511445A (fr) Procédé et appareil pour la fabrication de produits-mousse thermoplastiques, façonnables et soudables
FR2066605A5 (en) Extruder for continuous hot resin film
GB999548A (en) Process and apparatus in the form of a flat sheeting die for the manufacture of foils with beaded edges from thermoplastic material
GB953901A (en) Improvements in or relating to a process of making polypropylene film
FR2080721A1 (en) Plastic films prodn for photographic supports
BE754851A (fr) Procede de fabrication d'un tube plat en matiere plastique et dispositif pour la mise en oeuvre de ce procede
FR1509848A (fr) Procédé et dispositif pour la fabrication de sacs à fond croisé en feuille de matière plastique
FR2092000A1 (en) Extruding hard thermoplastic foam
CH452180A (fr) Procédé de formation du col d'un corps creux, lors de l'extrusion-soufflage de matières thermoplastiques, et dispositif pour sa mise en oeuvre
DE3219092A1 (de) Verfahren und vorrichtung zur herstellung coextrudierter verbundfolien mit eingelagerten strukturierungen
JPS6241457B2 (enExample)

Legal Events

Date Code Title Description
TP Transmission of property