IT1087889B - Procedimento di raffreddamento di pellicole tubolari estruse e dispositivo per la sua messa in opera. - Google Patents

Procedimento di raffreddamento di pellicole tubolari estruse e dispositivo per la sua messa in opera.

Info

Publication number
IT1087889B
IT1087889B IT2953177A IT2953177A IT1087889B IT 1087889 B IT1087889 B IT 1087889B IT 2953177 A IT2953177 A IT 2953177A IT 2953177 A IT2953177 A IT 2953177A IT 1087889 B IT1087889 B IT 1087889B
Authority
IT
Italy
Prior art keywords
internal
manifolds
bubble
film surface
balance control
Prior art date
Application number
IT2953177A
Other languages
English (en)
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 claimed from FR7633841A external-priority patent/FR2370568A1/fr
Application filed by Ato Emballage filed Critical Ato Emballage
Application granted granted Critical
Publication of IT1087889B publication Critical patent/IT1087889B/it

Links

Landscapes

  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT2953177A 1976-11-10 1977-11-10 Procedimento di raffreddamento di pellicole tubolari estruse e dispositivo per la sua messa in opera. IT1087889B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT1087889B true IT1087889B (it) 1985-06-04

Family

ID=9179737

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2953177A IT1087889B (it) 1976-11-10 1977-11-10 Procedimento di raffreddamento di pellicole tubolari estruse e dispositivo per la sua messa in opera.

Country Status (1)

Country Link
IT (1) IT1087889B (it)

Similar Documents

Publication Publication Date Title
DE3879513D1 (de) Luftkuehlring fuer kunststoffolie.
FR2370568A1 (fr) Procede de refroidissement de films tubulaires extrudes et dispositif en vue de sa mise en oeuvre
GB938032A (en) Improvements relating to the manufacture of tubes and tubular films
BR9704974A (pt) Dispositivo para a fabricação de tubos compostos de plástico
GB1422624A (en) Extrusion blow-head for tubular film
GB1326771A (en) Cooling equipment for tubular plastic film
IT1087889B (it) Procedimento di raffreddamento di pellicole tubolari estruse e dispositivo per la sua messa in opera.
JPS6471729A (en) Method and device for manufacturing mesh film
EP0112290A3 (en) Screw extruder for plastic material
US3331103A (en) Extrusion die for foamable thermoplastic compositions
SE8204934L (en) Plastics extruder with cooling device - comprising shells defining three concentric flow passages along the outer and inner of which coolant flows
GB971021A (en) Method of and apparatus for making plastic tubes
JPS53146764A (en) Film forming by inflation
GB1159308A (en) Method and Apparatus for Extruding Tubes and Pipes
GB805858A (en) Improvements in or relating to apparatus for the extrusion of thermoplastic material
JPS636827U (it)
JPS5839876Y2 (ja) 樹脂フイルム吹膨用ダイス
JPS57195625A (en) Film bubble guide in inflation film-stretching apparatus
FI963917A0 (fi) Parannus yksi- ja monikerroksisten kestomuovikalvojen valmistuksessa
JPS5464563A (en) Production of tubular synthetic resin film
JPS57197129A (en) Extrusion molding apparatus of tubular object
DE3219092A1 (de) Verfahren und vorrichtung zur herstellung coextrudierter verbundfolien mit eingelagerten strukturierungen
GB1270865A (en) Improvement in process and apparatus for extruding thermoplastic tubing and tubular films
FR2420416A1 (fr) Appareil de refroidissement interieur de pellicules tubulaires en matiere plastique extrudee
JPS61125805A (ja) 無機質シ−ト状物の押し出し成形用金型の構造