IT7850571A0 - Metodo di estrusione di materiali plastici e relativo dispositivo - Google Patents

Metodo di estrusione di materiali plastici e relativo dispositivo

Info

Publication number
IT7850571A0
IT7850571A0 IT7850571A IT5057178A IT7850571A0 IT 7850571 A0 IT7850571 A0 IT 7850571A0 IT 7850571 A IT7850571 A IT 7850571A IT 5057178 A IT5057178 A IT 5057178A IT 7850571 A0 IT7850571 A0 IT 7850571A0
Authority
IT
Italy
Prior art keywords
extrusion
plastic materials
related device
plastic
materials
Prior art date
Application number
IT7850571A
Other languages
English (en)
Other versions
IT1109419B (it
Original Assignee
Gen Eng Radcliffe
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 Gen Eng Radcliffe filed Critical Gen Eng Radcliffe
Publication of IT7850571A0 publication Critical patent/IT7850571A0/it
Application granted granted Critical
Publication of IT1109419B publication Critical patent/IT1109419B/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
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/695Flow dividers, e.g. breaker plates
    • B29C48/70Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
    • B29C48/705Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows in the die zone, e.g. to create flow homogeneity
    • 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
    • B29C48/06Rod-shaped
    • 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
    • B29C48/17Articles comprising two or more components, e.g. co-extruded layers the components having different colours
    • 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
    • B29C48/19Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their edges
    • 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
    • B29C48/20Articles comprising two or more components, e.g. co-extruded layers the components being layers one of the layers being a strip, e.g. a partially embedded strip
    • 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
    • B29C48/285Feeding the extrusion material to the extruder
    • B29C48/29Feeding the extrusion material to the extruder in liquid form
    • 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
    • B29C48/304Extrusion nozzles or dies 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
    • B29C48/32Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • 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
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/365Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pumps, e.g. piston pumps
    • B29C48/37Gear pumps
    • 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
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/375Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/385Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in separate barrels
    • 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
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/375Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/387Plasticisers, homogenisers or feeders comprising two or more stages using a screw extruder and a gear pump
    • 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
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • 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
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/67Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66
    • 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
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/695Flow dividers, e.g. breaker plates
    • 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
    • B29C48/92Measuring, controlling or regulating
    • 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/9258Velocity
    • B29C2948/926Flow or feed rate
    • 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92961Auxiliary unit, e.g. for external melt filtering, re-combining or transfer between units
    • 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
    • B29C48/05Filamentary, e.g. strands
    • 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/15Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/154Coating solid articles, i.e. non-hollow articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0005Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/20Inserts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/34Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3462Cables

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT50571/78A 1977-08-20 1978-08-02 Metodo di estrusione di materiali plastici e relativo dispositivo IT1109419B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB35035/77A GB1601698A (en) 1977-08-20 1977-08-20 Extrusion method and apparatus therefor

Publications (2)

Publication Number Publication Date
IT7850571A0 true IT7850571A0 (it) 1978-08-02
IT1109419B IT1109419B (it) 1985-12-16

Family

ID=10373042

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50571/78A IT1109419B (it) 1977-08-20 1978-08-02 Metodo di estrusione di materiali plastici e relativo dispositivo

Country Status (8)

Country Link
US (1) US4182601A (it)
JP (1) JPS5434369A (it)
CH (1) CH631915A5 (it)
DE (1) DE2835139A1 (it)
FI (1) FI65397C (it)
FR (1) FR2400424A1 (it)
GB (1) GB1601698A (it)
IT (1) IT1109419B (it)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2416106A1 (fr) * 1978-02-02 1979-08-31 Silec Liaisons Elec Procede et dispositif d'extrusion d'un produit reticule
FI65683C (fi) * 1979-05-11 1984-06-11 Nokia Oy Ab Metod och anordning foer foam-skin isolering av telefonkabelledare
GB2066140B (en) * 1979-10-12 1983-05-25 Gen Eng Radcliffe Method and apparatus for the incorporation of additives into plastics materials
DE3122043C2 (de) * 1981-05-29 1984-06-14 Mannesmann AG, 4000 Düsseldorf Verfahren zum Ummanteln eines Stahlrohres
GB2119295B (en) * 1982-05-05 1986-08-28 Hartridge Ltd Leslie Machine tool
GB8305214D0 (en) * 1983-02-25 1983-03-30 Gen Eng Radcliffe Gear pump
US4511528A (en) * 1983-04-13 1985-04-16 American Can Company Flow stream channel splitter devices for multi-coinjection nozzle injection molding machines
US4892699A (en) * 1983-04-13 1990-01-09 American National Can Company Methods for injection molding and injection blow molding multi-layer articles
US4946365A (en) * 1983-04-13 1990-08-07 American National Can Company Apparatus for injection molding and injection blow molding multi-layer articles
US5523045A (en) 1983-04-13 1996-06-04 American National Can Company Methods for injection molding and blow-molding multi-layer plastic articles
US5037285A (en) 1983-04-13 1991-08-06 American National Can Company Apparatus for injection molding and injection blow molding multi-layer articles
US6129960A (en) 1983-04-13 2000-10-10 Pechiney Plastic Packaging, Inc. Methods and apparatus for injection molding and injection blow molding multi-layer plastic and the articles made thereby
GB8411539D0 (en) * 1984-05-04 1984-06-13 Gen Eng Radcliffe Ltd Modifying extruded material
FR2566700B1 (fr) * 1984-06-27 1987-01-23 Clextral Procede de traitement de matiere par extrusion et machine a plusieurs vis pour la mise en oeuvre de ce procede
FR2589781A1 (fr) * 1985-11-08 1987-05-15 Swisscab E A Schon Sa Procede de changement de couleur en cours d'extrusion d'une gaine autour d'un conducteur et dispositif pour la mise en oeuvre de ce procede
JPS6198014U (it) * 1985-11-21 1986-06-23
GB8604673D0 (en) * 1986-02-25 1986-04-03 Shaw Co Manchester Ltd Francis Treating viscous material
CH678507A5 (it) * 1986-03-06 1991-09-30 Maillefer Sa
DE3615586C1 (de) * 1986-05-09 1987-05-07 Berstorff Gmbh Masch Hermann Strangpressvorrichtung zum Herstellen von Kunststoffschmelzemischungen
IT1197020B (it) * 1986-07-29 1988-11-25 Fare Spa Testa piana per l'estruzione di materiali termopolastici in lastra e foglia, provvista di due o piu' condotti, di alimentazione dei materiali stessi
US4761129A (en) * 1987-07-07 1988-08-02 Swisscab E.A. Schoen S.A. Device for changing color during the extrusion of a sheath around a conductor
DE3802049A1 (de) * 1987-07-08 1989-01-19 Soplar Sa Koextrusionsvorrichtung
DE3741627C1 (de) * 1987-12-04 1988-12-15 Mannesmann Ag Verfahren zum kontinuierlichen Ummanteln von Stahlrohren mit Kunststoff
JP2731799B2 (ja) * 1989-06-06 1998-03-25 株式会社フジクラ 樹脂の押出被覆方法
GB8913743D0 (en) * 1989-06-15 1989-08-02 Bicc Plc Manufacture of extruded products
US5110276A (en) * 1989-12-28 1992-05-05 Farnsworth John T Extrusion die assembly
EP0457441A3 (en) * 1990-04-24 1992-04-01 Mobil Oil Corporation Process for compounding a polymer with an antioxidant
DE4013553A1 (de) * 1990-04-27 1991-10-31 Hoechst Ag Verfahren und vorrichtung zur herstellung von formkoerpern aus thermotropen, fluessigkristallinen stoffen sowie formkoerper, hergestellt nach dem verfahren
US5215691A (en) * 1990-09-05 1993-06-01 The Dow Chemical Company Method of forming a coextruded foam composite
DE4039857A1 (de) * 1990-10-19 1992-04-23 Inventa Ag Verfahren und vorrichtung zur direkten, kontinuierlichen modifizierung von polymerschmelzen
FR2673568A1 (fr) * 1991-03-08 1992-09-11 Atochem Dispositif pour extrudeuse permettant le gainage d'au moins deux ames par un materiau de meme nature. procede de gainage en resultant.
US5262119A (en) * 1992-04-27 1993-11-16 Owens-Illinois Plastics Products Inc. Plastic system for injection molding and extruding a hollow tube for forming a plastic container by blowing
US5238148A (en) * 1992-08-10 1993-08-24 Courtaulds Packaging Inc. Thermoplastic composite layered squeeze tube and method of making same
DE4235101C2 (de) * 1992-10-17 1994-11-10 Krupp Bellaform Maschbau Verfahren und Spritzkopf zum Herstellen und/oder Umhüllen von Strangprofilen
US5672303A (en) * 1992-10-17 1997-09-30 Bellaform Extrusionstechnik Gmbh Process and extruding head for the manufacture and/or coating of extruding profiles
FR2698581B1 (fr) * 1992-11-30 1995-04-14 Lefort Olivier Procédé de fabrication d'une paraison en extrusion-soufflage de thermo-plastiques pour réaliser des corps creux.
US5372765A (en) * 1993-06-01 1994-12-13 Chi Mei Corporation Continuous process for extrusion of thermoplastic resin
DE4337832C2 (de) * 1993-11-05 1997-07-31 Battenfeld Extrusionstech Verfahren zum Herstellen von mehrschichtigen Produkten durch Extrusion oder Pultrusion
EP0773097B1 (fr) * 1995-11-10 2001-04-11 Nokia - Maillefer Holding SA Tête d'extrusion munie d'un dispositif de changement de couleur du produit extrudé
US6174478B1 (en) * 1998-09-25 2001-01-16 Silver-Line Plastics Corporation Method and apparatus for simultaneous extrusion of two triple-wall pipes
WO2001051267A2 (de) * 2000-01-10 2001-07-19 Georg Michael Ickinger Verfahren zum einbringen von zuschlagstoffen (additiven)
US6899453B2 (en) * 2000-10-17 2005-05-31 Sika Schweiz Ag Static mixer and method for mixing a main component with an additive
CN1279549C (zh) * 2001-10-12 2006-10-11 矢崎总业株式会社 电线的制造方法、制造装置以及电线
WO2004015268A2 (en) * 2002-08-13 2004-02-19 Hannaford Christopher S Roll-fed progressing cavity pump/extruder
WO2004032632A2 (en) * 2002-10-09 2004-04-22 Hannaford Christopher S Progressing cavity extruder
US20050260320A1 (en) * 2003-10-09 2005-11-24 Hannaford Christopher S Multicolored flow divider
CH694291A5 (de) * 2003-11-07 2004-11-15 Inventa Fischer Ag Verfahren zum Direktverformen einer PET- Schmelze zu Mehrschicht-Folien.
FI20040229A (fi) * 2004-02-13 2005-08-14 Maillefer Sa Menetelmä ekstruusioprosessin yhteydessä, ekstruusioprosessi ja laite ekstruusioprosessia varten
DE102004013201A1 (de) * 2004-03-17 2005-10-06 Kuraray Specialities Europe Gmbh Verfahren zur Coextrusion von Schmelzeströmen unterschiedlicher Zusammensetzung
US20070085235A1 (en) * 2005-10-18 2007-04-19 Boyle Timothy J Method and apparatus for continuously preparing crosslinked, solution-cast polymer film
US20070085234A1 (en) * 2005-10-19 2007-04-19 Boyle Timothy J Method and apparatus for solution casting film with secondary component
EP2012911A4 (en) * 2006-04-21 2014-03-26 Southwire Co METHOD AND DEVICE FOR MEASURED MULTI-CURRENT EXTRUSION
US20090162492A1 (en) * 2007-12-19 2009-06-25 Conway Jr W Frederick Consumable candy drinking straw and a method of using the same
BR112014013166B1 (pt) * 2011-12-31 2021-02-09 Univation Technologies, Llc sistema para a formação de diferentes produtos plásticos a partir de uma única fusão
US8827676B1 (en) 2012-03-02 2014-09-09 Encore Wire Corporation Apparatus and method for extruding stripes onto an extruded product
ITBO20120567A1 (it) * 2012-10-17 2014-04-18 Samp Spa Con Unico Socio Apparecchiatura per la produzione di un filo provvisto di almeno uno strato di materiale plastico di ricoprimento
CN112917861A (zh) * 2019-12-05 2021-06-08 安徽联嘉祥特种电缆有限公司 一种用于电缆双线挤出的挤出装置和方法
CN112917860A (zh) * 2019-12-05 2021-06-08 安徽联嘉祥特种电缆有限公司 一种用于双线挤出的单模多孔机头及其挤出方法
DE102020105362A1 (de) 2020-02-28 2021-09-02 Hans Weber Maschinenfabrik Gmbh Extrusionseinrichtung zur extrusionsbasierten Herstellung wenigstens eines dreidimensionalen Objekts

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US324739A (en) * 1885-08-18 Name and clip
LU30831A1 (it) * 1900-01-01
US2805465A (en) * 1954-12-21 1957-09-10 American Viscose Corp Composite yarns and fabrics
US3318988A (en) * 1956-08-09 1967-05-09 Fmc Corp Process for preparing conjugated viscose filaments containing contact agents
GB831434A (en) * 1957-02-12 1960-03-30 Courtaulds Ltd Improvements relating to the production of artificial slub yarns
BE634069A (it) * 1962-06-25
GB997212A (en) * 1962-12-31 1965-07-07 Ici Ltd The production of striped thermoplastic extrudates
FR1384293A (fr) * 1964-01-30 1965-01-04 Procédé pour la décoration de matière plastique en feuille, dispositif pour la mise en oeuvre du procédé précédent ou procédé similaire et produit obtenu par ces procédé et dispositif ou produit similaire
FR1393572A (fr) * 1964-02-14 1965-03-26 Rhodiaceta Procédé et dispositif pour l'obtention de fils synthétiques volumineux
DE1435462A1 (de) * 1964-05-26 1969-11-13 Hoechst Ag Verfahren zur Herstellung von kraeuselbaren Faeden aus synthetischen linearen Polymeren
DE1286296B (de) * 1964-10-19 1969-01-02 Fischer Rainer Verfahren und Vorrichtung zum gleichzeitigen Beschicken von mindestens zwei Spritzkoepfen bei Kunststoffverarbeitungsmaschinen von einer Strangpresse aus
US3414644A (en) * 1965-01-04 1968-12-03 Celanese Corp Method for spinning bicomponent cellulose esters
US3459846A (en) * 1965-12-01 1969-08-05 Kanebo Ltd Method and spinneret device for spinning two-component filaments
US3780149A (en) * 1966-02-07 1973-12-18 Celanese Corp Conjugate spinning process
CA937720A (en) * 1966-08-31 1973-12-04 Shell Internationale Research Maatschappij, N.V. Method for the production of crimped fibres from thermoplastic macromolecular materials
JPS4323868B1 (it) * 1966-12-28 1968-10-15
DE1941390C3 (de) * 1968-08-16 1978-06-15 Toho Beslon Co., Ltd., Tokio Verfahren zum Herstellen von Bikomponenten-Acrylfasern
DE2108936C3 (de) * 1971-02-25 1979-12-13 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Verfahren und Vorrichtung zum Herstellen von Kunststoffhalbzeug mit Schaumstoffkern und ungeschäumtem Mantel
US3798296A (en) * 1972-07-28 1974-03-19 American Cyanamid Co Spinning self-crimping composite fibers
DE2352538A1 (de) * 1973-10-19 1975-04-30 Huels Chemische Werke Ag Verfahren zur herstellung von strangfoermigen kunststoffprofilen sowie vorrichtung zur durchfuehrung dieses verfahrens

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FI65397C (fi) 1984-05-10
JPS6216809B2 (it) 1987-04-14
DE2835139A1 (de) 1979-03-01
FR2400424A1 (fr) 1979-03-16
FR2400424B1 (it) 1983-04-29
IT1109419B (it) 1985-12-16
FI65397B (fi) 1984-01-31
FI782038A (fi) 1979-02-21
GB1601698A (en) 1981-11-04
JPS5434369A (en) 1979-03-13
US4182601A (en) 1980-01-08
DE2835139C2 (it) 1988-05-19
CH631915A5 (de) 1982-09-15

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