IT980712B - METHOD AND EQUIPMENT FOR MANUFACTURING MULTI-LAYER SHEETS - Google Patents

METHOD AND EQUIPMENT FOR MANUFACTURING MULTI-LAYER SHEETS

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
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/en

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 METHOD AND EQUIPMENT FOR MANUFACTURING MULTI-LAYER SHEETS IT980712B (en)

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 (en) 1974-10-10

Family

ID=26950508

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67892/73A IT980712B (en) 1972-06-19 1973-03-28 METHOD AND EQUIPMENT FOR MANUFACTURING MULTI-LAYER SHEETS

Country Status (5)

Country Link
JP (1) JPS4935467A (en)
DE (1) DE2311164A1 (en)
FR (1) FR2189189B1 (en)
IT (1) IT980712B (en)
NL (1) NL7306327A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50159575A (en) * 1974-06-18 1975-12-24
US4316868A (en) * 1980-11-17 1982-02-23 Monsanto Company Extruding colored thermoplastic resin sheets
EP0264708A1 (en) * 1986-10-11 1988-04-27 ER-WE-PA Maschinenfabrik und Eisengiesserei GmbH Process and apparatus for extruding a multilayered sheeting from a synthetic thermoplastic material

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1309717A (en) * 1962-01-06 1962-11-16 Basf Ag Device for the production of composite sheets of thermoplastic materials, gas-tight
FR1424703A (en) * 1965-02-12 1966-01-14 Dow Chemical Co Method and apparatus for the preparation of thermoplastic resinous composite articles and resinous thin films
GB1115007A (en) * 1965-04-11 1968-05-22 Nat Distillers Chem Corp Method of producing laminated products
FR1489598A (en) * 1965-08-19 1967-07-21 Dow Chemical Co Method and apparatus for extruding a composite film
DE1948442C3 (en) * 1969-09-25 1981-02-05 Bellaplast Gmbh, 6200 Wiesbaden Method and device for extruding a composite film made of thermoplastics

Also Published As

Publication number Publication date
NL7306327A (en) 1973-12-21
JPS4935467A (en) 1974-04-02
DE2311164A1 (en) 1974-01-17
FR2189189A1 (en) 1974-01-25
FR2189189B1 (en) 1976-05-21

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