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

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/305Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/307Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the die
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/07Flat, e.g. panels
    • B29C48/08Flat, e.g. panels flexible, e.g. films
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/07Flat, 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 (de)
DE (1) DE2311164A1 (de)
FR (1) FR2189189B1 (de)
IT (1) IT980712B (de)
NL (1) NL7306327A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50159575A (de) * 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
FR2189189A1 (de) 1974-01-25
NL7306327A (de) 1973-12-21
FR2189189B1 (de) 1976-05-21
DE2311164A1 (de) 1974-01-17
JPS4935467A (de) 1974-04-02

Similar Documents

Publication Publication Date Title
IT997530B (it) Procedimento e dispositivo per la fabbricazione di materiali in foglio fibrosi a piu strati
IT972919B (it) Apparecchiatura per la preparazione di pellicole tubolari a piu strati e stampo o matrici circolare a piu strati
IT1129885B (it) Procedimento per formare un laminato a piu strati
IT990621B (it) Tela formatrice doppia per la fabbricazione di un nastro di carta a piu strati
JPS57205598A (en) Method and device for manufacturing multilayer pasteboard
IT1017976B (it) Laminato plastico a piu strati
IT987517B (it) Procedimento e dispositivo per la fabbricazione di materiale alimentare a piu strati
IT998866B (it) Procedimento per produrre struttu re a piu strati metallo isolatore semiconduttore
IT979573B (it) Dispositivo per la manipolazione di strati di nobilitazione
IT950657B (it) Procedimento e dispositivo per la fabbricazione di un laminato a piu fogli
IT975214B (it) Procedimento ed apparecchiatura per la fabbricazione dellacarta
IT996800B (it) Apparecchiatura per la formatura a freddo
ZA747761B (en) A laminate and a method for manufacturing the same
IT1016023B (it) Macchina per trivellazione ed apparecchio per la sua attua zione
IT946536B (it) Procedimento per formare strati metallici su un substrato
IT980712B (it) Metodo ed apparecchiatura per fabbricare fogli a piu strati
BE793914A (fr) Procede et dispositif pour la fabrication de files a epaisseurs
IT974824B (it) Metodo ed apparecchiatura per produrre oggetti a piu strati in particolare cavi rivestiti
IT952751B (it) Gruppo a stampo e punzone per la estrusione di metalli
IT997688B (it) Apparecchio stereofonico a piu canali
IT976238B (it) Materasso a piu strati
GB1368404A (en) Method of manufacturing a device having a resistance layer
IT985003B (it) Dispositivo a verricello in particolare per aeromobili
AT331888B (de) Einrichtung zum anschliessen einer gerateklemme
IT967062B (it) Laminato e metodo per la sua fabbricazione