NL7204236A - - Google Patents

Info

Publication number
NL7204236A
NL7204236A NL7204236A NL7204236A NL7204236A NL 7204236 A NL7204236 A NL 7204236A NL 7204236 A NL7204236 A NL 7204236A NL 7204236 A NL7204236 A NL 7204236A NL 7204236 A NL7204236 A NL 7204236A
Authority
NL
Netherlands
Application number
NL7204236A
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 US05/128,939 external-priority patent/US3968196A/en
Application filed filed Critical
Publication of NL7204236A publication Critical patent/NL7204236A/xx

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
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911Cooling
    • B29C48/9135Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
    • 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
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • 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
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/255Flow control means, e.g. valves
    • B29C48/2556Flow control means, e.g. valves provided in or in the proximity of dies
    • 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
    • B29C48/25Component 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
    • B29C48/31Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections
    • 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
    • B29C48/78Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83Heating or cooling the cylinders
    • B29C48/832Heating
    • 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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
NL7204236A 1971-03-29 1972-03-29 NL7204236A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12872471A 1971-03-29 1971-03-29
US12894071A 1971-03-29 1971-03-29
US05/128,939 US3968196A (en) 1971-03-29 1971-03-29 Method of co-extrusion of polyvinylidene fluoride/polystyrene multiple-layered sheeting

Publications (1)

Publication Number Publication Date
NL7204236A true NL7204236A (en) 1972-10-03

Family

ID=27383778

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7204236A NL7204236A (en) 1971-03-29 1972-03-29

Country Status (6)

Country Link
BE (1) BE781335A (en)
DE (1) DE2215121A1 (en)
FR (1) FR2132142B1 (en)
GB (1) GB1364176A (en)
IT (1) IT950869B (en)
NL (1) NL7204236A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4076570A (en) 1974-11-20 1978-02-28 Cosden Technology, Inc. Process for the production of a multiple layer laminate
DE3405257C2 (en) * 1984-02-15 1986-05-22 Reifenhäuser GmbH & Co Maschinenfabrik, 5210 Troisdorf Device for the continuous extrusion of a multilayer plastic web
GB9800781D0 (en) * 1998-01-14 1998-03-11 Epwin Group Plc Co-extrusion method and apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3444031A (en) * 1964-04-22 1969-05-13 Dow Chemical Co Light screens and method of making the same
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
US3476627A (en) * 1966-04-12 1969-11-04 Du Pont Process for coextruding multiple-layered thermoplastic sheeting
FR1495368A (en) * 1966-09-30 1967-09-15 Crown Zellerbach Corp Multi-layer thermoplastic films
US3477099A (en) * 1967-12-21 1969-11-11 Dow Chemical Co Extrusion apparatus
DE7106429U (en) * 1969-03-10 1971-07-01 The Dow Chemical Co Rigid multilayer film
DE1924560A1 (en) * 1969-05-14 1970-11-26 Bellaplast Gmbh Producing thin-walled blanks from thermo- - plastic foil

Also Published As

Publication number Publication date
GB1364176A (en) 1974-08-21
IT950869B (en) 1973-06-20
FR2132142A1 (en) 1972-11-17
DE2215121A1 (en) 1972-10-19
FR2132142B1 (en) 1974-09-13
BE781335A (en) 1972-09-28

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Legal Events

Date Code Title Description
BV The patent application has lapsed