IT1213469B - Dispositivo di testa di estrusione per polimeri termoplastici. - Google Patents

Dispositivo di testa di estrusione per polimeri termoplastici.

Info

Publication number
IT1213469B
IT1213469B IT8621315A IT2131586A IT1213469B IT 1213469 B IT1213469 B IT 1213469B IT 8621315 A IT8621315 A IT 8621315A IT 2131586 A IT2131586 A IT 2131586A IT 1213469 B IT1213469 B IT 1213469B
Authority
IT
Italy
Prior art keywords
head device
thermoplastic polymers
extrusion head
extrusion
thermoplastic
Prior art date
Application number
IT8621315A
Other languages
English (en)
Other versions
IT8621315A0 (it
Inventor
Mario Tietto
Original Assignee
Soffiaggio Tecnica Srl
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11179988&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT1213469(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Soffiaggio Tecnica Srl filed Critical Soffiaggio Tecnica Srl
Priority to IT8621315A priority Critical patent/IT1213469B/it
Publication of IT8621315A0 publication Critical patent/IT8621315A0/it
Priority to EP87110670A priority patent/EP0255043B1/en
Priority to DE8787110670T priority patent/DE3773576D1/de
Application granted granted Critical
Publication of IT1213469B publication Critical patent/IT1213469B/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
    • B29C48/25—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
    • B29C48/50—Details of extruders
    • B29C48/695—Flow dividers, e.g. breaker plates
    • B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/19—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their edges
    • 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
    • B29C48/20—Articles 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
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT8621315A 1986-07-30 1986-07-30 Dispositivo di testa di estrusione per polimeri termoplastici. IT1213469B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT8621315A IT1213469B (it) 1986-07-30 1986-07-30 Dispositivo di testa di estrusione per polimeri termoplastici.
EP87110670A EP0255043B1 (en) 1986-07-30 1987-07-23 Extrusion head device for thermoplastic polymers
DE8787110670T DE3773576D1 (en) 1986-07-30 1987-07-23 Extruderkopf fuer thermoplastische polymere.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8621315A IT1213469B (it) 1986-07-30 1986-07-30 Dispositivo di testa di estrusione per polimeri termoplastici.

Publications (2)

Publication Number Publication Date
IT8621315A0 IT8621315A0 (it) 1986-07-30
IT1213469B true IT1213469B (it) 1989-12-20

Family

ID=11179988

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8621315A IT1213469B (it) 1986-07-30 1986-07-30 Dispositivo di testa di estrusione per polimeri termoplastici.

Country Status (3)

Country Link
EP (1) EP0255043B1 (it)
DE (1) DE3773576D1 (it)
IT (1) IT1213469B (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4230380B1 (de) 2022-02-21 2024-04-03 BBM Maschinenbau und Vertriebs GmbH Coextrusionswerkzeug zur herstellung mehrschichtiger, schlauchartiger vorformlinge aus thermoplastischem kunststoff

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2630963B1 (fr) * 1988-05-04 1990-09-07 Alphacan Sa Appareillage pour l'extrusion de tubes plastiques homogenes; procede de fabrication de tubes homogenes au moyen de l'appareillage
US5102323A (en) * 1988-08-31 1992-04-07 American National Can Company Plastic resin multi-layer co-extrusion extruder with multi-port plug for selecting order of layers
US5460772A (en) * 1991-12-27 1995-10-24 Nippon Steel Chemical Co., Ltd. Process for multilayer blow molding
JP2570071B2 (ja) * 1992-09-01 1997-01-08 東洋製罐株式会社 透光窓つき多層容器並びにその製造方法及び多層共押出し装置
US5358570A (en) * 1993-07-22 1994-10-25 Drawbaugh William W Crosshead apparatus for jacketing wire core
IT1274835B (it) * 1994-07-14 1997-07-25 Techne Spa Testa di coestrusione per macchine termoformatrici per soffiaggio, concambio rapido degli strati colorati della materia plastica estrusa.
DE19720862C1 (de) * 1997-05-10 1998-10-15 B & W Kunststoffmaschb & Hande Extrusionswerkzeug und Verfahren zu seiner Herstellung
US8562885B2 (en) 2009-02-21 2013-10-22 Dow Global Technologies Inc. Multilayer structures having annular profiles and methods and apparatus of making the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1704791B2 (de) * 1968-03-18 1976-07-29 Kautex Werke Reinold Hagen Gmbh, 5300 Bonn-Holzlar Vorrichtung zum herstellen von im querschnitt ringfoermigen koerpern aus thermoplastischem kunststoff
DE2100192C3 (de) * 1971-01-04 1983-02-24 Kautex Werke Reinold Hagen Gmbh, 5300 Bonn Strangpreßkopf zum Herstellen eines Hohlstranges
US3860686A (en) * 1972-06-07 1975-01-14 Western Electric Co Method of and apparatus for extruding plastic materials
DE2510127C2 (de) * 1975-03-06 1983-09-22 Battenfeld Maschinenfabriken Gmbh, 5882 Meinerzhagen Strangpreßkopf zum Herstellen eines aus zwei konzentrischen, mit ihren Fließnähten versetzt zueinander angeordneten Schichten bestehenden Verbundschlauches aus thermoplastischem Kunststoff
DE3016445A1 (de) * 1980-04-29 1981-11-05 Bayer Ag, 5090 Leverkusen Vorrichtung zum auftragen eines insbesondere schaumstoff bildenden reaktionsgemisches aus mindestends zwei fliessfaehigen komponenten auf eine wandernde unterlage
DE3026822C2 (de) * 1980-07-16 1985-02-21 Reiner Dipl.-Ing. 5205 St.Augustin Kader Winkelspritzkopf zum Herstellen eines Schlauches
GB2109740B (en) * 1981-10-16 1984-12-12 Fujikura Ltd Extruder cross-head for extruding material around an elongated article

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4230380B1 (de) 2022-02-21 2024-04-03 BBM Maschinenbau und Vertriebs GmbH Coextrusionswerkzeug zur herstellung mehrschichtiger, schlauchartiger vorformlinge aus thermoplastischem kunststoff

Also Published As

Publication number Publication date
EP0255043A2 (en) 1988-02-03
DE3773576D1 (en) 1991-11-14
IT8621315A0 (it) 1986-07-30
EP0255043B1 (en) 1991-10-09
EP0255043A3 (en) 1989-05-10

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