IT1062172B - Procedimento per rendere piana una pellicola in materia plastica prodotta per estrusione e soffiaggio e dispositivo per la messa in opera di questo procedimento - Google Patents

Procedimento per rendere piana una pellicola in materia plastica prodotta per estrusione e soffiaggio e dispositivo per la messa in opera di questo procedimento

Info

Publication number
IT1062172B
IT1062172B IT24063/76A IT2406376A IT1062172B IT 1062172 B IT1062172 B IT 1062172B IT 24063/76 A IT24063/76 A IT 24063/76A IT 2406376 A IT2406376 A IT 2406376A IT 1062172 B IT1062172 B IT 1062172B
Authority
IT
Italy
Prior art keywords
procedure
blowing
extrusion
implementation
making
Prior art date
Application number
IT24063/76A
Other languages
English (en)
Inventor
C Lindenlaub
Original Assignee
Ato Chimie
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 Ato Chimie filed Critical Ato Chimie
Application granted granted Critical
Publication of IT1062172B publication Critical patent/IT1062172B/it

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
    • B29C48/03—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
    • B29C48/001—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
    • B29C48/03—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

  • 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)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
IT24063/76A 1975-06-09 1976-06-09 Procedimento per rendere piana una pellicola in materia plastica prodotta per estrusione e soffiaggio e dispositivo per la messa in opera di questo procedimento IT1062172B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7517883A FR2314036A1 (fr) 1975-06-09 1975-06-09 Procede de mise a plat d'une gaine en matiere plastique realisee par extrusion soufflage et dispositif pour la mise en oeuvre de ce procede

Publications (1)

Publication Number Publication Date
IT1062172B true IT1062172B (it) 1983-07-28

Family

ID=9156200

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24063/76A IT1062172B (it) 1975-06-09 1976-06-09 Procedimento per rendere piana una pellicola in materia plastica prodotta per estrusione e soffiaggio e dispositivo per la messa in opera di questo procedimento

Country Status (4)

Country Link
DE (1) DE2623580A1 (it)
FR (1) FR2314036A1 (it)
GB (1) GB1509114A (it)
IT (1) IT1062172B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10115259C1 (de) * 2001-03-28 2002-10-02 Kiefel Extrusion Gmbh Luftwendestange

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2322040A1 (de) * 1973-05-02 1974-11-21 Demag Ag Flachlegevorrichtung fuer eine kunststoffschlauchfolienbahn

Also Published As

Publication number Publication date
FR2314036A1 (fr) 1977-01-07
GB1509114A (en) 1978-04-26
DE2623580A1 (de) 1976-12-30
FR2314036B1 (it) 1977-12-09

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