IT1194942B - Metodo ed attrezzatura per la produzione tramite il sistema di estrusione soffiata di films coestrusi di pvc o di altri materiali termoplastici a due o piu' strati,sotto forma di pellicola estensibile o tal quale o termoretraibile sia monorientata che biorientata,sia monofoglio che monopiega - Google Patents

Metodo ed attrezzatura per la produzione tramite il sistema di estrusione soffiata di films coestrusi di pvc o di altri materiali termoplastici a due o piu' strati,sotto forma di pellicola estensibile o tal quale o termoretraibile sia monorientata che biorientata,sia monofoglio che monopiega

Info

Publication number
IT1194942B
IT1194942B IT09426/80A IT942680A IT1194942B IT 1194942 B IT1194942 B IT 1194942B IT 09426/80 A IT09426/80 A IT 09426/80A IT 942680 A IT942680 A IT 942680A IT 1194942 B IT1194942 B IT 1194942B
Authority
IT
Italy
Prior art keywords
pointed
mono
oriented
threaded
layers
Prior art date
Application number
IT09426/80A
Other languages
English (en)
Other versions
IT8009426A0 (it
Inventor
Gaspare Puleo
Original Assignee
Gaspare Puleo
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 Gaspare Puleo filed Critical Gaspare Puleo
Priority to IT09426/80A priority Critical patent/IT1194942B/it
Publication of IT8009426A0 publication Critical patent/IT8009426A0/it
Priority to CH953380A priority patent/CH645841A5/it
Priority to DE19813102005 priority patent/DE3102005A1/de
Application granted granted Critical
Publication of IT1194942B publication Critical patent/IT1194942B/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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/49—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
    • 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
    • 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
    • B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • B29C48/147—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle
    • B29C48/1472—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle at the die nozzle exit zone
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/007—Using fluid under pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT09426/80A 1980-05-09 1980-05-09 Metodo ed attrezzatura per la produzione tramite il sistema di estrusione soffiata di films coestrusi di pvc o di altri materiali termoplastici a due o piu' strati,sotto forma di pellicola estensibile o tal quale o termoretraibile sia monorientata che biorientata,sia monofoglio che monopiega IT1194942B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT09426/80A IT1194942B (it) 1980-05-09 1980-05-09 Metodo ed attrezzatura per la produzione tramite il sistema di estrusione soffiata di films coestrusi di pvc o di altri materiali termoplastici a due o piu' strati,sotto forma di pellicola estensibile o tal quale o termoretraibile sia monorientata che biorientata,sia monofoglio che monopiega
CH953380A CH645841A5 (it) 1980-05-09 1980-12-23 Procedimento ed attrezzatura per la produzione di films coestrusi a due o piu strati, di cui uno di pvc.
DE19813102005 DE3102005A1 (de) 1980-05-09 1981-01-22 Verfahren zur herstellung von koextrudierten folien und vorrichtung zur durchfuehrung des verfahrens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT09426/80A IT1194942B (it) 1980-05-09 1980-05-09 Metodo ed attrezzatura per la produzione tramite il sistema di estrusione soffiata di films coestrusi di pvc o di altri materiali termoplastici a due o piu' strati,sotto forma di pellicola estensibile o tal quale o termoretraibile sia monorientata che biorientata,sia monofoglio che monopiega

Publications (2)

Publication Number Publication Date
IT8009426A0 IT8009426A0 (it) 1980-05-09
IT1194942B true IT1194942B (it) 1988-09-28

Family

ID=11129959

Family Applications (1)

Application Number Title Priority Date Filing Date
IT09426/80A IT1194942B (it) 1980-05-09 1980-05-09 Metodo ed attrezzatura per la produzione tramite il sistema di estrusione soffiata di films coestrusi di pvc o di altri materiali termoplastici a due o piu' strati,sotto forma di pellicola estensibile o tal quale o termoretraibile sia monorientata che biorientata,sia monofoglio che monopiega

Country Status (3)

Country Link
CH (1) CH645841A5 (it)
DE (1) DE3102005A1 (it)
IT (1) IT1194942B (it)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1966466C3 (de) * 1969-05-09 1974-10-10 Alkor-Werk, Karl Lissmann Kg, 8000 Muenchen Verfahren und Vorrichtung zum Herstellen einer Verbundfolienbahn. Ausscheidung aus: 1923852
US3926706A (en) * 1969-10-31 1975-12-16 Reifenhaeuser Kg Film blowing method
CA1028110A (en) * 1972-12-27 1978-03-21 Sumitomo Bakelite Company Adhesive comprising post-chlorinated polyethylene and polyvinyl chloride

Also Published As

Publication number Publication date
DE3102005A1 (de) 1981-12-03
IT8009426A0 (it) 1980-05-09
CH645841A5 (it) 1984-10-31

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