BE796217A - Methode et appareil de fabrication de feuilles a couches multiples - Google Patents

Methode et appareil de fabrication de feuilles a couches multiples

Info

Publication number
BE796217A
BE796217A BE128322A BE128322A BE796217A BE 796217 A BE796217 A BE 796217A BE 128322 A BE128322 A BE 128322A BE 128322 A BE128322 A BE 128322A BE 796217 A BE796217 A BE 796217A
Authority
BE
Belgium
Prior art keywords
layer sheets
manufacturing multi
manufacturing
sheets
layer
Prior art date
Application number
BE128322A
Other languages
English (en)
Inventor
F R Nissel
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
Publication of BE796217A publication Critical patent/BE796217A/fr

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)
BE128322A 1972-06-19 1973-03-02 Methode et appareil de fabrication de feuilles a couches multiples BE796217A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE796217A true BE796217A (fr) 1973-07-02

Family

ID=23005839

Family Applications (1)

Application Number Title Priority Date Filing Date
BE128322A BE796217A (fr) 1972-06-19 1973-03-02 Methode et appareil de fabrication de feuilles a couches multiples

Country Status (2)

Country Link
BE (1) BE796217A (fr)
GB (1) GB1408506A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2588797B1 (fr) * 1985-10-18 1988-07-22 Siamp Cedap Reunies Procede pour la fabrication d'une feuille plastique multicolore
GB9800781D0 (en) * 1998-01-14 1998-03-11 Epwin Group Plc Co-extrusion method and apparatus

Also Published As

Publication number Publication date
GB1408506A (en) 1975-10-01

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: WELEX INC.

Effective date: 19930302