IT980712B - Metodo ed apparecchiatura per fabbricare fogli a piu strati - Google Patents

Metodo ed apparecchiatura per fabbricare fogli a piu strati

Info

Publication number
IT980712B
IT980712B IT67892/73A IT6789273A IT980712B IT 980712 B IT980712 B IT 980712B IT 67892/73 A IT67892/73 A IT 67892/73A IT 6789273 A IT6789273 A IT 6789273A IT 980712 B IT980712 B IT 980712B
Authority
IT
Italy
Prior art keywords
equipment
layer sheets
manufacturing multi
manufacturing
sheets
Prior art date
Application number
IT67892/73A
Other languages
English (en)
Italian (it)
Original Assignee
Welex Inc
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 US00264387A external-priority patent/US3833704A/en
Application filed by Welex Inc filed Critical Welex Inc
Application granted granted Critical
Publication of IT980712B publication Critical patent/IT980712B/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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the die
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. 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
    • B29C48/16—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
    • B29C48/03—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
    • B29C48/07—Flat, e.g. panels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT67892/73A 1972-06-19 1973-03-28 Metodo ed apparecchiatura per fabbricare fogli a piu strati IT980712B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00264387A US3833704A (en) 1971-02-24 1972-06-19 Method of extracting a plural layered sheet
US28750972A 1972-09-08 1972-09-08

Publications (1)

Publication Number Publication Date
IT980712B true IT980712B (it) 1974-10-10

Family

ID=26950508

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67892/73A IT980712B (it) 1972-06-19 1973-03-28 Metodo ed apparecchiatura per fabbricare fogli a piu strati

Country Status (5)

Country Link
JP (1) JPS4935467A (US08066781-20111129-C00013.png)
DE (1) DE2311164A1 (US08066781-20111129-C00013.png)
FR (1) FR2189189B1 (US08066781-20111129-C00013.png)
IT (1) IT980712B (US08066781-20111129-C00013.png)
NL (1) NL7306327A (US08066781-20111129-C00013.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50159575A (US08066781-20111129-C00013.png) * 1974-06-18 1975-12-24
US4316868A (en) * 1980-11-17 1982-02-23 Monsanto Company Extruding colored thermoplastic resin sheets
EP0264708A1 (de) * 1986-10-11 1988-04-27 ER-WE-PA Maschinenfabrik und Eisengiesserei GmbH Verfahren und Vorrichtung zum Extrudieren einer mehrschichtigen Folienbahn aus thermoplastischem Kunststoffmaterial

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1309717A (fr) * 1962-01-06 1962-11-16 Basf Ag Dispositif pour la production de feuilles composées en matières thermoplastiques, étanches aux gaz
FR1424703A (fr) * 1965-02-12 1966-01-14 Dow Chemical Co Procédé et appareil pour la préparation d'articles composites résineux thermoplastiques et pellicules résineuses minces
GB1115007A (en) * 1965-04-11 1968-05-22 Nat Distillers Chem Corp Method of producing laminated products
FR1489598A (fr) * 1965-08-19 1967-07-21 Dow Chemical Co Procédé et appareil d'extrusion d'un film composite
DE1948442C3 (de) * 1969-09-25 1981-02-05 Bellaplast Gmbh, 6200 Wiesbaden Verfahren und Vorrichtung zum Strangpressen einer Verbundfolie aus thermoplastischen Kunststoffen

Also Published As

Publication number Publication date
NL7306327A (US08066781-20111129-C00013.png) 1973-12-21
JPS4935467A (US08066781-20111129-C00013.png) 1974-04-02
FR2189189B1 (US08066781-20111129-C00013.png) 1976-05-21
FR2189189A1 (US08066781-20111129-C00013.png) 1974-01-25
DE2311164A1 (de) 1974-01-17

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