IT1208500B - Dispositivo per l'esclusione continua di un nastro di materiale plastico a piu'strati - Google Patents

Dispositivo per l'esclusione continua di un nastro di materiale plastico a piu'strati

Info

Publication number
IT1208500B
IT1208500B IT8519446A IT1944685A IT1208500B IT 1208500 B IT1208500 B IT 1208500B IT 8519446 A IT8519446 A IT 8519446A IT 1944685 A IT1944685 A IT 1944685A IT 1208500 B IT1208500 B IT 1208500B
Authority
IT
Italy
Prior art keywords
multiple layer
plastic tape
layer plastic
continuous exclusion
exclusion
Prior art date
Application number
IT8519446A
Other languages
English (en)
Other versions
IT8519446A0 (it
Inventor
Schmettkamp Hugo
Original Assignee
Reifenhaeuser Masch
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
Application filed by Reifenhaeuser Masch filed Critical Reifenhaeuser Masch
Publication of IT8519446A0 publication Critical patent/IT8519446A0/it
Application granted granted Critical
Publication of IT1208500B publication Critical patent/IT1208500B/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
    • B29C48/03—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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/255—Flow control means, e.g. valves
    • B29C48/2556—Flow control means, e.g. valves provided in or in the proximity of dies
    • 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
    • B29C48/25—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
    • B29C48/31—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/49—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
    • B29C48/495—Feed-blocks
    • 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)
IT8519446A 1984-02-15 1985-02-08 Dispositivo per l'esclusione continua di un nastro di materiale plastico a piu'strati IT1208500B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843405256 DE3405256A1 (de) 1984-02-15 1984-02-15 Vorrichtung zum kontinuierlichen strangpressen einer mehrschichtigen kunststoffbahn

Publications (2)

Publication Number Publication Date
IT8519446A0 IT8519446A0 (it) 1985-02-08
IT1208500B true IT1208500B (it) 1989-07-10

Family

ID=6227695

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8519446A IT1208500B (it) 1984-02-15 1985-02-08 Dispositivo per l'esclusione continua di un nastro di materiale plastico a piu'strati

Country Status (5)

Country Link
JP (1) JPS60192613A (it)
DE (1) DE3405256A1 (it)
FR (1) FR2559419B1 (it)
GB (1) GB2154932B (it)
IT (1) IT1208500B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2593111B1 (fr) * 1986-01-17 1988-07-22 Ono Dispositif de repartition de matiere thermoplastique pour l'extrusion de feuilles multicouches.
US4784815A (en) * 1987-06-05 1988-11-15 P.C.E. Corp. Edge-laminating apparatus and process
US4789513A (en) * 1987-06-05 1988-12-06 P.C.E. Corp. Coextrusion apparatus and process
US5087488A (en) * 1989-10-19 1992-02-11 Aeroquip Corporation Method and apparatus for forming a plastic article with an overlay of varying thickness having a shaded color appearance
US5234330A (en) * 1991-06-14 1993-08-10 Eastman Kodak Company Dies

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR999947A (fr) * 1946-02-06 1952-02-06 Comp Generale Electricite Dispositif applicable aux machines à extrusion pour la fabrication de bandes
USRE26237E (en) * 1959-03-12 1967-07-18 Manufacture of spectacle frames
DE1226778B (de) * 1961-11-10 1966-10-13 Metzeler Ag Strangpresskopf zur Herstellung von aus Gummi od. dgl. bestehenden strangfoermigen Koerpern
GB1188264A (en) * 1968-04-19 1970-04-15 Monsanto Chemicals Process for the Extrusion of Resins
FR2087706A5 (en) * 1970-05-28 1971-12-31 Samafor Extrusion die for laminate prodn - with at least two slots of variable section
DE2143597A1 (de) * 1970-09-09 1972-03-16 Leesona Corp Strangpreßvorrichtung zur Herstellung von Kunstharzverbundgebilden oder -laminaten
US3860372A (en) * 1971-02-26 1975-01-14 Dow Chemical Co Adjustable feedblock for encapsulated multilayer extrusion
US3759653A (en) * 1971-06-30 1973-09-18 Standard Oil Co Extrusion die with arched choke bar
JPS5634653B2 (it) * 1971-09-27 1981-08-12
DE2311685C3 (de) * 1973-03-09 1978-08-31 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Breitschlitzdüse zum Herstellen von Platten oder Folien
JPS54124067A (en) * 1978-03-20 1979-09-26 Mitsubishi Heavy Ind Ltd Extrusion die
US4283168A (en) * 1979-09-13 1981-08-11 Westvaco Corporation Thermoplastic film extrusion apparatus
IT1129467B (it) * 1980-12-19 1986-06-04 Lavorazione Mat Plast Adattatore per l'estrusione simultanea di piu filoni di schiuma sintetica termoplastica mediante un unico estrusore
GB2097710A (en) * 1981-05-01 1982-11-10 Silvatrim Ass Padded molding strip
US4413973A (en) * 1981-06-24 1983-11-08 Automation International Corp. Extrusion die
US4411614A (en) * 1982-02-18 1983-10-25 E. I. Du Pont De Nemours & Co. Removable contoured insert for an extrusion die
US4483812A (en) * 1983-04-15 1984-11-20 Cosden Technology, Inc. Valve plate and feedblock design for co-extrusion apparatus and co-extrusion process using same

Also Published As

Publication number Publication date
FR2559419A1 (fr) 1985-08-16
GB2154932A (en) 1985-09-18
IT8519446A0 (it) 1985-02-08
FR2559419B1 (fr) 1988-11-10
JPH0249898B2 (it) 1990-10-31
DE3405256C2 (it) 1987-07-09
GB2154932B (en) 1987-04-15
DE3405256A1 (de) 1985-08-22
JPS60192613A (ja) 1985-10-01
GB8502063D0 (en) 1985-02-27

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